CN107881887A

CN107881887A - A kind of town road tamping unit

Info

Publication number: CN107881887A
Application number: CN201710870636.5A
Authority: CN
Inventors: 汪贤荣
Original assignee: Individual
Current assignee: Individual
Priority date: 2017-09-23
Filing date: 2017-09-23
Publication date: 2018-04-06

Abstract

The invention discloses a kind of town road tamping unit, including compacting car body and the tamping unit being arranged on the left of compacting car body, right end is fixedly installed at the top of tamping unit with tamping the protuberance being fixedly connected at the top of car body left surface, the first cavity is provided with protuberance, it is symmetrical in tamper vehicle body on the right side of first cavity to be provided with the second cavity, cavity is communicated between first cavity and the second cavity, it is rotatably assorted in first cavity and is connected with the first guide wheel, first cavity left bottom is connected provided with first through hole extended vertically downward, it is rotatably assorted in second cavity and is connected with the second guide wheel, second cavity bottom right side is connected provided with the second extended vertically downward through hole, second via bottoms extending end is connected provided with the 3rd cavity, the 4th cavity is provided with tamper vehicle body on the right side of 3rd cavity；The present invention improves operating efficiency and the quality of compacting, time saving and energy saving, reduces the construction cost on road surface.

Description

A kind of town road tamping unit

Technical field

The present invention relates to technical field of road construction, specifically a kind of town road tamping unit.

Background technology

As Chinese Urbanization development process accelerates, government department constantly increases the input of infrastructure construction, newly-built With transformed large quantities of urban roads, in order to improve the ride quality of urban road, improve the service level of urban road, city pair The quality requirement of road maintenance also improves constantly.Rammer compacter is as plant equipment on a kind of road, to our transport development band Facility is carried out, essential effect is played in the construction and maintenance of road.In road construction, the sandstone one of road surface roadbed As to be tamped, traditional compacting is using the oscillatory type rammer compacter manually moved either large hydraulic compacting, this compacting The speed of mode can not be adjusted according to being actually needed, and acting surface is small, and it is huger to consume energy, in addition, manually operating Road work is tamped, low production efficiency, compacting effect is poor, easily causes the secondary destruction of road, adds the construction cost on road surface, Existing road compacting construction needs can not be met.

The content of the invention

The technical problems to be solved by the invention are to provide a kind of town road tamping unit, and it can solve the problem that above-mentioned present The problem of in technology.

The present invention is achieved through the following technical solutions：A kind of town road tamping unit of the present invention, including ram Real vehicle body and the tamping unit being arranged on the left of the compacting car body, the tamping unit top are fixedly installed right end The protuberance being fixedly connected with the top of the compacting car body left surface, the protuberance is interior to be provided with the first cavity, and described first is empty It is symmetrical in the tamper vehicle body on the right side of chamber to be provided with the second cavity, the company of being provided between first cavity and second cavity Lead to cavity, be rotatably assorted in first cavity and be connected with the first guide wheel, the first cavity left bottom, which is connected, to be provided with First through hole extended vertically downward, it is rotatably assorted in second cavity and is connected with the second guide wheel, described second is empty Chamber bottom right side is connected to be connected provided with the second extended vertically downward through hole, the second via bottoms extending end Provided with the 3rd cavity, the 4th cavity, the 4th cavity bottom phase are provided with the tamper vehicle body on the right side of the 3rd cavity The 5th extended cavity of left and right is provided with, the 5th cavity bottom is connected to be slided provided with the extended switching in left and right Chamber, it is rotatably assorted in the tamper vehicle body between the 3rd cavity and the 4th cavity and is connected with both sides extension to the left and right The main rotary shaft of setting, on the left of the main rotary shaft extending end stretch into the 3rd cavity and with the left of the 3rd cavity Inwall is rotatably assorted connection, and take-up pulley, the master are fixedly installed on the main rotary shaft outer surface in the 3rd cavity Extending end is stretched into the 4th cavity and is rotatably assorted with inwall on the right side of the 4th cavity and is connected on the right side of rotary shaft, described Two-sided cone pulley is fixedly installed on the main rotary shaft outer surface in 4th cavity, the two-sided cone pulley bottom stretches into described In five cavitys, it is provided with the switching sliding cavity to switch and drive the switching device that the two-sided cone pulley rotates, it is described to cut Change to be provided with sliding cavity and use switch prompting device.

Preferably technical scheme, the tamping unit include being fixedly installed on the first support of the protuberance bottom Block and the second support block for being fixedly installed on the first support block bottom, the second support block right end and the rammer Real vehicle body left surface is fixedly connected, and deep gouge is provided with the first support block bottom end face, is slidably connected in the deep gouge There is a tamping block, guide groove is provided with the front and rear inwall in the deep gouge, the tamping block front/rear end is fixedly installed respectively outside The guide pad stretched into the front and rear guide groove, the second support block left end is interior to be provided with the setting that is connected with the deep gouge bottom Open slot, run through in first support block on the upside of the deep gouge and be provided with pull chamber extended up and down, the traction Top of chamber end is connected setting with first through hole bottom extending end, and interference fits are connected with up and down in the pull chamber Extended pull rope, pull rope bottom extending end stretches into the deep gouge and end and pull chamber bottom phase To the tamping block at the top of end face be fixedly connected, extension and first guide wheel are slidably matched company at the top of the pull rope Connect, the pull rope away from end face side at the top of the tamping block extends and passed through to right side after the described first guiding Wheel-guiding The connection cavity is stretched into second cavity and is slidably connected with the second guide wheel in second cavity, remote The pull rope of end face side extends and through described second through the described second guiding Wheel-guiding is lower backward at the top of the tamping block Through hole is stretched into the 3rd cavity and is fixedly connected with the take-up wheel outer surface.

Preferably technical scheme, switching device include the switching cunning being arranged in the switching sliding cavity that is slidably matched Dynamic device, the switching carriage screw-internal thread fit are connected with the extended threaded rod in left and right, prolonged on the left of the threaded rod Stretch end to be rotatably assorted and be connected with the switching sliding cavity inner left wall, threaded rod right side extending end is matched somebody with somebody with the first motor Connection is closed, first outer surface of motor is arranged on the right side of the switching sliding cavity in inwall and secure fit connects, and described the The first groove and the second groove being symmetrical set, institute are provided with the top of the switching carriage below five cavitys in end face State and be provided with the 3rd groove at the top of the switching carriage between the first groove and second groove in end face, described first The first extended rotary shaft of left and right is provided with groove, the first rotary shaft left side extending end and first groove are left Side inwall is rotatably assorted connection, and extension is run through between first groove and the 3rd groove on the right side of first rotary shaft The switching carriage and the connection that is rotatably assorted, extending end is stretched into the 3rd groove on the right side of first rotary shaft And end is fixedly installed first gear, the 3rd groove internal messing of the first gear bottom is connected with second gear, The first cone pulley is fixedly installed on the first rotary shaft outer surface in first groove, a left side is provided with second groove The second extended rotary shaft of the right side, the second rotary shaft left side extension is through second groove and the 3rd groove Between the switching carriage and the connection that is rotatably assorted, extending end and the second gear on the left of second rotary shaft Right-hand end is fixedly connected, and extending end and the second motor are connected on the right side of second rotary shaft, the second motor appearance Face is arranged on the right side of second groove in inwall and is fixedly connected, the second rotary shaft outer surface in second groove On be fixedly installed the second cone pulley.

Preferably technical scheme, energy resource supply case, institute are provided with the tamper vehicle body on the right side of the switching device State energy resource supply case respectively with first motor and the second motor Electricity Federation.

Preferably technical scheme, the switch prompting device include being fixedly installed on the switching sliding cavity left side wall On first sensor and be fixedly installed on it is described switching sliding cavity right side wall on second sensor, it is described compacting car body on front side of Face is fixedly installed prompting screen, and the first warning light and the second warning light are respectively arranged with the prompting screen.

The beneficial effects of the invention are as follows：The present invention is matched somebody with somebody by being rotated in the tamper vehicle body between the 3rd cavity and the 4th cavity Close the connection extended main rotary shaft in both sides to the left and right, extending end stretches into the 3rd cavity and with the 3rd on the left of main rotary shaft Cavity inner left wall is rotatably assorted connection, take-up pulley is fixedly installed on the main rotary shaft outer surface in the 3rd cavity, main rotary shaft Right side extending end is stretched into the 4th cavity and is rotatably assorted with inwall on the right side of the 4th cavity and is connected, the main rotation in the 4th cavity Two-sided cone pulley is fixedly installed on axle outer surface, two-sided cone pulley bottom is stretched into the 5th cavity, is switched and is set to switch in sliding cavity And the switching device for driving two-sided cone pulley to rotate, so as to realize the drive work for automatically controlling take-up pulley coiling rotation, improve The operating efficiency of Ramming operation, meanwhile, realization automatically controls switching and drives work, can be adjusted rammer according to being actually needed Real speed, operating efficiency and the quality of compacting are improved, it is time saving and energy saving, reduce the construction cost on road surface.

Brief description of the drawings

For ease of explanation, the present invention is described in detail by following specific embodiment and accompanying drawing.

Fig. 1 is overall structure diagram outside a kind of town road tamping unit of the present invention；

Fig. 2 is overall structure diagram inside a kind of town road tamping unit of the present invention；

Fig. 3 is the switching carriage internal structure schematic diagram of the present invention；

Fig. 4 is the internal structure schematic diagram after a kind of town road tamping unit switching of the present invention；

Fig. 5 is the tamping unit structural representation of the present invention.

Embodiment

As Figure 1-Figure 5, a kind of town road tamping unit of the invention, including tamp car body 5 and be arranged on institute The tamping unit 6 in the left side of compacting car body 5 is stated, the top of tamping unit 6 is fixedly installed right end and the compacting car body 5 The protuberance 51 being fixedly connected at the top of left surface, the protuberance 51 is interior to be provided with the first cavity 511, and first cavity 511 is right It is symmetrical in the compacting car body 5 of side to be provided with the second cavity 512, between first cavity 511 and second cavity 512 Cavity 513 is communicated with, is rotatably assorted in first cavity 511 and is connected with the first guide wheel 5110, first cavity 511 Left bottom, which is connected, is provided with first through hole 5111 extended vertically downward, the company of being rotatably assorted in second cavity 512 The second guide wheel 5120 is connected to, the bottom right side of the second cavity 512 is connected logical provided with extended vertically downward second Hole 5121, the bottom extending end of the second through hole 5121 are connected provided with the 3rd cavity 53, the right side of the 3rd cavity 53 The compacting car body 5 is interior to be provided with the 4th cavity 54, and the bottom of the 4th cavity 54, which is connected, is provided with the 5th sky that left and right is extended Chamber 55, the bottom of the 5th cavity 55 are connected provided with the extended switching sliding cavity 56 in left and right, the 3rd cavity 53 with Be rotatably assorted the main rotary shaft for being connected with that both sides are extended to the left and right in the compacting car body 5 between 4th cavity 54 532, the left side extending end of main rotary shaft 532 stretch into the 3rd cavity 53 and with the inner left wall of the 3rd cavity 53 Be rotatably assorted connection, is fixedly installed take-up pulley 531 on the outer surface of the main rotary shaft 532 in the 3rd cavity 53, institute State the right side extending end of main rotary shaft 532 and stretch into the 4th cavity 54 and rotated with the right side inwall of the 4th cavity 54 and match somebody with somebody Close and connect, two-sided cone pulley 541 is fixedly installed on the outer surface of the main rotary shaft 532 in the 4th cavity 54, it is described double The bottom of face cone wheel 541 is stretched into the 5th cavity 55, is provided with the switching sliding cavity 56 described double to switch and drive The switching device that face cone wheel 541 rotates, interior be provided with of switching sliding cavity 56 use switch prompting device.

Valuably, the tamping unit 6 include be fixedly installed on the bottom of protuberance 51 the first support block 61 and It is fixedly installed on the second support block 62 of the bottom of the first support block 61, the right end of the second support block 62 and the rammer The left surface of real vehicle body 5 is fixedly connected, and deep gouge 610 is provided with the bottom end face of the first support block 61, is slided in the deep gouge 610 It is connected with tamping block 613, is provided with guide groove 612 in the front and rear inwall in the deep gouge 610, before and after the tamping block 613 The guide pad 614 stretched into the front and rear guide groove 612 is fixedly installed outside end face respectively, in the left end of the second support block 62 Open slot 621 provided with the setting that is connected with the bottom of deep gouge 610, first support block 61 of the upside of deep gouge 610 It is interior to run through the pull chamber 611 for being provided with and being extended up and down, the top end of pull chamber 611 and the bottom of first through hole 5111 Extending end is connected setting, and interference fits are connected with pull rope 514 extended up and down in the pull chamber 611, described The bottom extending end of pull rope 514 stretches into the compacting that in the deep gouge 610 and end is relative with the bottom of pull chamber 611 The top end face of block 613 is fixedly connected, the top extension of pull rope 514 and the company of being slidably matched of the first guide wheel 5110 Connect, away from the top end face side of tamping block 613 the pull rope 514 through first guide wheel 5110 guiding after to the right Side extends and stretches into second cavity 512 through the connection cavity 513 and guided with second in second cavity 512 The sliding connection of wheel 5120, the pull rope 514 away from the top end face side of tamping block 613 is through the described second guiding Extended downwardly after the guiding of wheel 5120 and stretched into through second through hole 5121 in the 3rd cavity 53 and with the take-up pulley 531 Outer surface is fixedly connected, and so as to automatically control Ramming operation, while improves stability of the tamping block 613 in Ramming operation.

Valuably, switching device includes the switching carriage 57 being arranged in the switching sliding cavity 56 that is slidably matched, The switching screw-internal thread fit of carriage 57 is connected with the extended threaded rod 561 in left and right, and the left side of threaded rod 561 is prolonged Stretch end to be rotatably assorted and be connected with the switching inner left wall of sliding cavity 56, the right side extending end of threaded rod 561 and first Motor 562 is connected, and the outer surface of the first motor 562 is arranged in the switching right side inwall of sliding cavity 56 and fixation is matched somebody with somebody Connection is closed, first be symmetrical set is provided with the top end face of the switching carriage 57 of the lower section of the 5th cavity 55 The groove 572 of groove 571 and second, the switching carriage 57 between first groove 571 and second groove 572 The 3rd groove 573 is provided with the end face of top, the first extended rotary shaft 5712 of left and right is provided with first groove 571, The left side extending end of first rotary shaft 5712 is rotatably assorted with the inner left wall of the first groove 571 and is connected, and described first Dress is slided through the switching between first groove 571 and the 3rd groove 573 in the right side extension of rotary shaft 5712 Put 57 and the connection that is rotatably assorted, the right side extending end of the first rotary shaft 5712 stretches into the 3rd groove 573 and end First gear 5731 is fixedly installed, the internal messing of the 3rd groove 573 of the bottom of first gear 5731 is connected with second Gear 5732, the first cone pulley 5711 is fixedly installed on the outer surface of the first rotary shaft 5712 in first groove 571, The second extended rotary shaft 5722 of left and right is provided with second groove 572, the left side of the second rotary shaft 5722 extends Section through between second groove 572 and the 3rd groove 573 the switching carriage 57 and the connection that is rotatably assorted, The left side extending end of second rotary shaft 5722 is fixedly connected with the right-hand end of second gear 5732, second rotary shaft 5722 right side extending ends are connected with the second motor 5723, and it is recessed that the outer surface of the second motor 5723 is arranged on described second In the right side inwall of groove 572 and it is fixedly connected, it is fixed on the outer surface of the second rotary shaft 5722 in second groove 572 to set The second cone pulley 5721 is equipped with, switching and drive work is automatically controlled so as to realize, compacting can be adjusted according to being actually needed Speed, improve operating efficiency and the quality of compacting.

Valuably, energy resource supply case 58, the energy resource supply are provided with the compacting car body 5 on the right side of the switching device Case 58 respectively with first motor 562 and the Electricity Federation of the second motor 5723.

Valuably, the switch prompting device includes the first biography being fixedly installed on the switching left side wall of sliding cavity 56 Sensor 5601 and be fixedly installed on it is described switching the right side wall of sliding cavity 56 on second sensor 5602, it is described compacting car body 5 before Side is fixedly installed prompting screen 3, and the first warning light 31 and the second warning light 32 are respectively arranged with the prompting screen 3, when cutting Change carriage 57 slide into switching 56 left-most position of sliding cavity when, the first sensor 5601 controls first warning light 31 light, and represent tick-over；When switching carriage 57 slides into switching 56 right-most position of sliding cavity, described second passes Sensor 5602 controls second warning light 32 to light, and represents high speed operation.

When switching carriage 57 positioned at switching 56 left-most position of sliding cavity, now, second in the second groove 572 Cone pulley 5721 engages connection with the two-sided bottom right side of cone pulley 541, meanwhile, make the first cone pulley 5711 in the first groove 571 maximum Degree now, by controlling electricity on the second motor 5723, the second rotation is driven by the second motor 5723 away from two-sided cone pulley 541 Axle 5722 rotates, and then drives two-sided cone pulley 541 to rotate by the second cone pulley 5721 in the second rotary shaft 5722, meanwhile, by Two rotary shafts 5722 drive second gear 5732 to rotate, and drive first gear 5731 and first gear by second gear 5732 First rotary shaft 5712 of 5731 left-hand ends rotates, and now, drives first in the first groove 571 to bore by the first rotary shaft 5712 The idle running of wheel 5711, meanwhile, drive the take-up pulley 531 in the cavity 53 of main rotary shaft 532 and the 3rd to rotate by two-sided cone pulley 541, The winding work to pull rope 514 is realized, now, by the guide wheel 5120 of pull rope 514 and second and the first guide wheel 5110 Realization is slidably matched, meanwhile, drive tamping block 613 to overcome self gravitation to drive guide pad 614 gradually along guiding by pull rope 514 Top slide in groove 612, until when guide pad 614 slides into the top position in guide groove 612, now, control second Motor 5723 powers off, and tamping block 613 is completed low speed Ramming operation by self gravitation slide downward；

When switching carriage 57 positioned at switching 56 right-most position of sliding cavity, now, the first cone pulley in the first groove 571 5711 engage connection with the two-sided left bottom of cone pulley 541, meanwhile, make the second cone pulley 5721 in the second groove 572 at utmost Away from two-sided cone pulley 541, now, by controlling electricity on the second motor 5723, the second rotary shaft is driven by the second motor 5723 5722 rotate, and now, the second cone pulley 5721 in the second rotary shaft 5722 is idling conditions, meanwhile, by the second rotary shaft 5722 Drive second gear 5732 to rotate, and first gear 5731 and the left-hand end of first gear 5731 are driven by second gear 5732 First rotary shaft 5712 rotates, and now, drives the first cone pulley 5711 in the first groove 571 to rotate by the first rotary shaft 5712, And then drive two-sided cone pulley 541 to rotate by the first cone pulley 5711, meanwhile, main rotary shaft 532 and are driven by two-sided cone pulley 541 Take-up pulley 531 in three cavitys 53 rotates, and realizes the winding work to pull rope 514, now, is drawn by pull rope 514 and second The realization of the guide wheel 5110 of guide wheel 5120 and first is slidably matched, meanwhile, drive tamping block 613 to overcome itself by pull rope 514 Gravity belt action-oriented block 614 is gradually along the top slide in guide groove 612, until guide pad 614 is slid into guide groove 612 During top position, now, the second motor 5723 of control powers off, and tamping block 613 is completed by self gravitation slide downward high Fast Ramming operation.

The beneficial effects of the invention are as follows：The present invention is matched somebody with somebody by being rotated in the tamper vehicle body between the 3rd cavity and the 4th cavity Close the connection extended main rotary shaft in both sides to the left and right, extending end stretches into the 3rd cavity and with the 3rd on the left of main rotary shaft Cavity inner left wall is rotatably assorted connection, take-up pulley is fixedly installed on the main rotary shaft outer surface in the 3rd cavity, main rotary shaft Right side extending end is stretched into the 4th cavity and is rotatably assorted with inwall on the right side of the 4th cavity and is connected, the main rotation in the 4th cavity Two-sided cone pulley is fixedly installed on axle outer surface, two-sided cone pulley bottom is stretched into the 5th cavity, is switched and is set to switch in sliding cavity And the switching device for driving two-sided cone pulley to rotate, so as to realize the drive work for automatically controlling take-up pulley coiling rotation, improve The operating efficiency of Ramming operation, meanwhile, realization automatically controls switching and drives work, can be adjusted rammer according to being actually needed Real speed, operating efficiency and the quality of compacting are improved, it is time saving and energy saving, reduce cost.

The foregoing is only a specific embodiment of the invention, but protection scope of the present invention is not limited thereto, any The change or replacement expected without creative work, it should all be included within the scope of the present invention.Therefore, it is of the invention Protection domain should be determined by the scope of protection defined in the claims.

Claims

1. a kind of town road tamping unit, including the tamping unit tamped car body and be arranged on the left of compacting car body, it is special Sign is：Right end is fixedly installed at the top of tamping unit with tamping the protuberance being fixedly connected at the top of car body left surface, it is convex Go out and the first cavity is provided with portion, it is symmetrical in the tamper vehicle body on the right side of the first cavity to be provided with the second cavity, the first cavity and second Cavity is communicated between cavity, is rotatably assorted in the first cavity and is connected with the first guide wheel, the first cavity left bottom is connected It is logical to be provided with first through hole extended vertically downward, it is rotatably assorted in the second cavity and is connected with the second guide wheel, the second cavity Bottom right side is connected provided with the second extended vertically downward through hole, and the second via bottoms extending end is connected provided with the Three cavitys, are provided with the 4th cavity in the tamper vehicle body on the right side of the 3rd cavity, and the 4th cavity bottom is connected, and to be provided with left and right extended The 5th cavity, the 5th cavity bottom is connected provided with the extended switching sliding cavity in left and right, the 3rd cavity and the 4th cavity Between tamper vehicle body in be rotatably assorted and be connected with the extended main rotary shaft in both sides to the left and right, extension end on the left of main rotary shaft End is stretched into the 3rd cavity and is rotatably assorted with the 3rd cavity inner left wall and is connected, on the main rotary shaft outer surface in the 3rd cavity Take-up pulley is fixedly installed, extending end is stretched into the 4th cavity and matched somebody with somebody with inwall rotation on the right side of the 4th cavity on the right side of main rotary shaft Close and connect, two-sided cone pulley is fixedly installed on the main rotary shaft outer surface in the 4th cavity, it is empty that two-sided cone pulley bottom stretches into the 5th Intracavitary, switching sliding cavity is interior to be provided with to switch and drive the switching device that two-sided cone pulley rotates, and is set in the switching sliding cavity Useful switch prompting device.

A kind of 2. town road tamping unit according to claim 1, it is characterised in that：The tamping unit includes fixing It is arranged on the first support block of the protuberance bottom and is fixedly installed on the second support block of the first support block bottom, The second support block right end is fixedly connected with the compacting car body left surface, is set in the first support block bottom end face There is deep gouge, be slidably connected with tamping block in the deep gouge, guide groove, the rammer are provided with the front and rear inwall in the deep gouge The guide pad stretched into the front and rear guide groove is fixedly installed outside real block front/rear end respectively, in the second support block left end Open slot provided with the setting that is connected with the deep gouge bottom, run through in first support block on the upside of the deep gouge be provided with it is upper Extended pull chamber down, the pull chamber top end are connected setting with first through hole bottom extending end, institute State interference fits in pull chamber and be connected with pull rope extended up and down, pull rope bottom extending end stretches into described heavy End face is fixedly connected at the top of the tamping block that groove is interior and end is relative with the pull chamber bottom, is extended at the top of the pull rope Section is slidably connected with first guide wheel, and the pull rope away from end face side at the top of the tamping block is through described the Extend after one guiding Wheel-guiding to right side and stretched into through the connection cavity in second cavity and with second cavity The sliding connection of the second guide wheel, the pull rope away from end face side at the top of the tamping block is through the described second guiding Extended downwardly after Wheel-guiding and stretch into the 3rd cavity and fixed with the take-up wheel outer surface through second through hole and connected Connect.

A kind of 3. town road tamping unit according to claim 1, it is characterised in that：Switching device includes being slidably matched The switching carriage being arranged in the switching sliding cavity, the switching carriage screw-internal thread fit are connected with left and right extension The threaded rod of setting, the threaded rod left side extending end is rotatably assorted with the switching sliding cavity inner left wall and is connected, described Extending end and the first motor are connected on the right side of threaded rod, and it is right that first outer surface of motor is arranged on the switching sliding cavity In the inwall of side and secure fit connects, right provided with left and right in end face at the top of the switching carriage below the 5th cavity Claim the first groove and the second groove set, the switching carriage top between first groove and second groove The 3rd groove is provided with end surface, the first extended rotary shaft of left and right is provided with first groove, described first rotates Extending end is rotatably assorted with the first groove inner left wall on the left of axle is connected, and extension is run through on the right side of first rotary shaft The switching carriage and the connection that is rotatably assorted between first groove and the 3rd groove, first rotary shaft Right side extending end is stretched into the 3rd groove and end is fixedly installed first gear, the first gear bottom it is described 3rd groove internal messing is connected with second gear, is fixedly installed on the first rotary shaft outer surface in first groove First cone pulley, second groove is interior to be provided with the second extended rotary shaft of left and right, the second rotary shaft left side extension The switching carriage and the connection that is rotatably assorted between second groove and the 3rd groove, described second turn Extending end is fixedly connected with the second gear right-hand end on the left of moving axis, extending end and second on the right side of second rotary shaft Motor is connected, and second outer surface of motor is arranged on the right side of second groove in inwall and is fixedly connected, and described the The second cone pulley is fixedly installed on the second rotary shaft outer surface in two grooves.

A kind of 4. town road tamping unit according to claim 3, it is characterised in that：Institute on the right side of the switching device State and energy resource supply case is provided with tamper vehicle body, the energy resource supply case is electric with first motor and second motor respectively Connection.

A kind of 5. town road tamping unit according to claim 1, it is characterised in that：The switch prompting device includes It is fixedly installed on the first sensor switched on sliding cavity left side wall and is fixedly installed on the switching sliding cavity right side wall On second sensor, it is described compacting car body leading flank be fixedly installed prompting screen, be respectively arranged with first on the prompting screen Warning light and the second warning light.