CN113756276A

CN113756276A - Foundation is maintained and is used bed course rammer compactor

Info

Publication number: CN113756276A
Application number: CN202111114058.5A
Authority: CN
Inventors: 李安妮; 欧阳载雄; 刘银华; 毕燕君
Original assignee: Guangxi Lantian Technology Co ltd
Current assignee: Guangxi Lantian Technology Co ltd
Priority date: 2021-09-23
Filing date: 2021-09-23
Publication date: 2021-12-07
Anticipated expiration: 2041-09-23
Also published as: CN113756276B

Abstract

The invention relates to the technical field of foundation finishing, in particular to a cushion layer tamper for foundation finishing. A foundation trimming cushion layer tamper comprises wire clamps, studs, cables, torsional springs, a bottom plate and telescopic rods, wherein the studs are arranged in the inner threads of the wire clamps, the cables are clamped between two adjacent wire clamps, the torsional springs are fixedly connected to the outer sides of the cables, a fixed shaft is fixedly arranged in the middle of each torsional spring, and a fixed cylinder is fixedly arranged on the outer side of each fixed shaft; the end connection of cable has the motor, and motor fixed mounting has the telescopic link in the surface of bottom plate, the below fixed mounting of bottom plate. The invention has the beneficial effects that: this ground is maintained and is used bed course rammer compactor improves on current basis, and the device not only can adjust the removal mode, can protect the removal subassembly moreover, also can adjust the tamping dynamics of device.

Description

Foundation is maintained and is used bed course rammer compactor

Technical Field

The invention relates to the technical field of foundation finishing, in particular to a cushion layer tamper for foundation finishing.

Background

The foundation is repaired to the bearing capacity of foundation, needs the tamping unit to strike and tamp the surface of foundation usually for soft foundation becomes more firm, makes it be applicable to the construction, and current rammer for foundation is repaired still has some problems when using.

Present ground rammer when using, be not convenient for adjust the ramming dynamics, the controllability is relatively poor, be difficult to carry out the quick adjustment to the counter weight of rammer hammer, and at the in-process that uses, generally need the staff to pull at one of them end, the other end needs hand electric wire, need many people to operate, it is more to consume the manpower, and can not adjust the holistic moving state of device at the in-process that uses, can not carry out fast switch-over between rectilinear movement and multidirectional removal, adjustable degree is lower, also be not convenient for protect moving the subassembly.

Disclosure of Invention

The invention provides a pad layer tamper for foundation finishing aiming at the technical problems in the prior art, and aims to solve the problems that the conventional foundation tamping device is inconvenient to adjust the overall moving mode, consumes manpower angle and is poor in adjustability when in use.

The technical scheme for solving the technical problems is as follows: a foundation trimming cushion layer tamper comprises wire clamps, studs, cables, torsional springs, a bottom plate and telescopic rods, wherein the studs are arranged in the inner threads of the wire clamps, the cables are clamped between two adjacent wire clamps, the torsional springs are fixedly connected to the outer sides of the cables, a fixed shaft is fixedly arranged in the middle of each torsional spring, and a fixed cylinder is fixedly arranged on the outer side of each fixed shaft; the end connection of cable has the motor, and motor fixed mounting has the telescopic link in the surface of bottom plate, the below fixed mounting of bottom plate.

The invention has the beneficial effects that:

1) the foundation is maintained and is improved on the basis of the prior art, the first belt pulley, the synchronous belt and the second belt pulley are used for driving the balance block to rotate in the inclined plate, downward impact force can be generated in the rotating process, so that the tamping hammer intermittently strikes the ground, the device can strike in a small range by using the sliding groove and the internal connecting block, the striking force is ensured, the using effect of the device is improved, the defect that the tamping hammer amplitude motion amplitude of the tamping device in the prior art is large and the stability is poor is overcome, and the foundation is improved and has the advantage of stronger stability.

2) This foundation is maintained and is used bed course rammer compactor effect is better, the device is at the in-process that uses, can fix the end of cable through stock and fastener on the device, the rolling structure through the inside torsional spring of device comes to carry out rolling work to the electric wire simultaneously, pushing away on the device simultaneously makes the staff in time remove the device is whole, the convenience that the device used has been promoted, it needs many people to operate when using to consume the more defect of manpower to have solved current rammer compactor, it consumes the advantage that the manpower is low better to have the result of use.

3) The device bottom be provided with the slide wedge mechanism all around, through spacing to the universal wheel, thereby make the universal wheel can carry out multidirectional removal or only carry out rectilinear movement, make the device can adjust holistic moving means, promoted the controllability of device, guarantee the integrality of ground tamping, the regional incomplete that the in-process deviation of avoiding removing greatly leads to tamping, protective structure on the device can prevent that the stone card from going into the inside of wheel moreover.

4) Be provided with the balancing weight in the device's the balancing piece, can adjust the number of balancing weight installation as required in addition, promoted the practicality of device for the device can be adjusted the dynamics of tamping, can adapt to different ground and use, has solved the relatively poor defect of current tamping device adaptability when using, has the wider advantage of applicable scope.

On the basis of the technical scheme, the invention can be further improved as follows.

Further, the below fixedly connected with stock of double-screw bolt, the side fixedly connected with footboard of stock, the screw thread of both sides is turned to opposite about the double-screw bolt, the rear side fixed mounting of solid fixed cylinder has the frame that pushes away, and the terminal fixed mounting that pushes away the frame has the connection shell, and the spout has been seted up on the surface of connection shell, the shape of spout is "C" style of calligraphy, and the inside laminating of spout is provided with the internal block, and the length of spout is greater than the length of internal block, and the rear side fixedly connected with swash plate of internal block, the terminal fixedly connected with riser of swash plate, the below fixed mounting of riser has the rammer hammer, swash plate, riser and rammer hammer formula structure as an organic whole, connect shell, swash plate and the equal symmetric distribution of riser both sides around the rammer hammer.

The beneficial effect who adopts above-mentioned further scheme is that, come to adjust the interval between the adjacent two fastener through the double-screw bolt on the device to press from both sides tightly the front end of cable, guarantee that the cable on the device is in taut state all the time, avoid the rammer hammer to pound the cable, promoted the security that the device used, the device supports whole through swash plate and riser.

Further, the surface of swash plate rotates installs first belt pulley, and the hold-in range is installed in the outside meshing of first belt pulley, and the second belt pulley is installed in the left side meshing of hold-in range, and the second belt pulley rotates and installs the surface at the connection shell, the output shaft of motor links to each other with the second belt pulley, fixedly connected with balancing piece between first belt pulley and the adjacent first belt pulley, the inside slidable mounting all around of bottom plate has the slider, fixedly connected with spring between slider and the bottom plate, and the bottom plate lower surface all rotates all around and installs the fixed universal wheel that is provided with, and the centre fixed mounting of universal wheel has the connecting plate, and the outside laminating of universal wheel gyro wheel is provided with the guard plate, the slider passes through and constitutes elastic construction between spring and the bottom plate.

The beneficial effects of adopting above-mentioned further scheme are that, utilize the spring on the device to make the slider reset, convenient follow-up removal and fixed mode to the device is whole are adjusted, have promoted the controllability of device, and more the device utilizes the hold-in range to drive the balancing piece and rotates, under the effect of balancing piece self gravity for the rammer can intermittent type nature striking ground, thereby the completion is to the tamping work of ground.

Further, the outside movable mounting of bottom plate has the connecting cover, and the draw-in groove has all been seted up to the left and right sides of connecting cover, and the inside movable mounting of draw-in groove has the fixture block, the connecting cover passes through and constitutes sliding construction between fixture block and draw-in groove and the bottom plate, the below fixedly connected with clamp plate of telescopic link, the transversal "worker" font of personally submitting of clamp plate, all be provided with the scarf around the clamp plate, the clamp plate is all laminated in below all around and is provided with the limiting plate, limiting plate fixed mounting is in the below of slider, and the front end of limiting plate is protruding commentaries on classics, and the protruding part of limiting plate front end is provided with the scarf, and the laminating of surface of the protruding part of limiting plate front end and the surface of clamp plate each other, and the end of limiting plate is forked form, the terminal forked part of limiting plate and the one-to-one between the connecting plate.

The beneficial effect who adopts above-mentioned further scheme is that, the device passes through the telescopic link and promotes the clamp plate for the limiting plate of clamp plate promotion side utilizes the bifurcation structure of limiting plate front end to carry on spacingly to the universal wheel, thereby adjusts the mobile mode of universal wheel, can carry out rectilinear movement, also can carry out multidirectional removal, has promoted the result of use of device.

Furthermore, the sliding block, the spring and the universal wheel correspond to each other, the middle part of the connecting plate is a cuboid, the left side and the right side of the connecting plate are both semi-cylinders, and the connecting plate and the bottom plate form a rotating structure through a limiting plate; the side of balancing piece has seted up the inside groove, and the inside movable mounting of balancing piece has the balancing piece, and the outside bolt fastening of balancing piece has the baffle, and the shape of balancing piece is quarter discoid, and the inside of balancing piece is the cavity form, corresponds mutually between the inside well hollow portion of balancing piece and the balancing piece, and the balancing piece constitutes revolution mechanic through between first belt pulley, hold-in range and the second belt pulley and the swash plate.

The beneficial effects of adopting above-mentioned further scheme are that, utilize the rotating-structure on the device to make the device can utilize the rotation of balancing piece to strike ground, the inside dismantled and assembled balancing weight of balancing piece can be adjusted the weight of balancing piece moreover to adjust the holistic tamping strength of device, promoted the application scope of device, make the device can adapt to the ground of different situations and use.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic front view of the present invention;

FIG. 3 is a schematic diagram of the structure at A in FIG. 2 according to the present invention;

FIG. 4 is a schematic top cross-sectional view of the platen of the present invention;

FIG. 5 is a schematic view of a split structure of a balancing block and a balancing block according to the present invention;

FIG. 6 is a schematic view of the balance weight and the counterweight mounting structure of the present invention;

FIG. 7 is a schematic view of the connection structure of the balance weight and the baffle of the present invention.

In the drawings, the components represented by the respective reference numerals are listed below:

1. the device comprises a wire clamp, 2, a stud, 3, a cable, 4, a torsion spring, 5, a fixed shaft, 6, a fixed barrel, 7, an anchor rod, 8, a pedal, 9, a pushing frame, 10, a connecting shell, 11, a sliding groove, 12, an internal connecting block, 13, an inclined plate, 14, a first belt pulley, 15, a synchronous belt, 16, a second belt pulley, 17, a motor, 18, a bottom plate, 19, an expansion rod, 20, a sliding block, 21, a spring, 22, a universal wheel, 23, a connecting plate, 24, a protection plate, 25, a limiting plate, 26, a pressing plate, 27, a connecting cover, 28, a clamping block, 29, a clamping groove, 30, a vertical plate, 31, a tamping hammer, 32, a balance block, 33, an internal groove, 34, a balance weight, 35 and a baffle plate.

Detailed Description

The principles and features of this invention are described below in conjunction with the following drawings, which are set forth by way of illustration only and are not intended to limit the scope of the invention.

Ramming device is foundation trimming device commonly used, current foundation ramming device can not accomodate the cable, can not adjust the mobile mode, and need staff draw gear wholly to remove when using, at least, need three staff to operate, the result of use is relatively poor, and the in-process that uses can not adapt to the relatively poor road surface of environment and use, can not adjust the dynamics of ramming, adaptability is relatively poor, this inventor has proposed a foundation for repairing and has tamped the machine with bed course and solve above-mentioned problem.

The present invention provides the following preferred embodiments

As shown in fig. 1-4, a foundation trimming cushion layer tamper comprises a wire clamp 1, studs 2, cables 3, torsion springs 4, a bottom plate 18 and a telescopic rod 19, wherein the studs 2 are installed on the inner threads of the wire clamp 1, the cables 3 are clamped between two adjacent wire clamps 1, the outer sides of the cables 3 are fixedly connected with the torsion springs 4, a fixed shaft 5 is fixedly arranged in the middle of each torsion spring 4, and a fixed cylinder 6 is fixedly arranged on the outer side of each fixed shaft 5; the end-to-end connection of cable 3 has motor 17, and motor 17 fixed mounting has telescopic link 19 on the surface of bottom plate 18, the below fixed mounting of bottom plate 18, drives the linkage subassembly through telescopic link 19 and removes to adjust the holistic moving means of device.

In the embodiment, as shown in fig. 1-2, in order to further improve the safety of the device, an anchor rod 7 is fixedly connected below the stud 2, a pedal 8 is fixedly connected to the side surface of the anchor rod 7, the thread directions of the upper side and the lower side of the stud 2 are opposite, a pushing frame 9 is fixedly installed at the rear side of the fixed cylinder 6, a connecting shell 10 is fixedly installed at the tail end of the pushing frame 9, a chute 11 is formed in the surface of the connecting shell 10, the chute 11 is in a C shape, an inner connecting block 12 is arranged inside the chute 11 in a fitting manner, the length of the chute 11 is greater than that of the inner connecting block 12, a sloping plate 13 is fixedly connected to the rear side of the inner connecting block 12, a vertical plate 30 is fixedly connected to the tail end of the sloping plate 13, a tamping hammer 31 is fixedly installed below the vertical plate 30, the sloping plate 13, the vertical plate 30 and the tamping hammer 31 are of an integral structure, the connecting shell 10, the sloping plate 13 and the vertical plate 30 are symmetrically distributed at the front side and the rear side of the tamping hammer 31, adjust the interval between the adjacent two fastener 1 through double-screw bolt 2 on the device to press from both sides tightly the front end of cable 3, guarantee that cable 3 on the device is in taut state all the time, avoid rammer 31 to pound bad cable 3, promoted the security that the device used, the device supports the whole through swash plate 13 and riser 30.

In this embodiment, as shown in fig. 1 to 5, in order to further improve the adjustability of the device, a first belt pulley 14 is rotatably mounted on the surface of the swash plate 13, a synchronous belt 15 is engaged and mounted on the outer side of the first belt pulley 14, a second belt pulley 16 is engaged and mounted on the left side of the synchronous belt 15, the second belt pulley 16 is rotatably mounted on the surface of the connecting shell 10, an output shaft of a motor 17 is connected with the second belt pulley 16, a balance block 32 is fixedly connected between the first belt pulley 14 and the adjacent first belt pulley 14, sliders 20 are slidably mounted on the periphery inside the bottom plate 18, a spring 21 is fixedly connected between the sliders 20 and the bottom plate 18, universal wheels 22 are fixedly mounted on the periphery of the lower surface of the bottom plate 18, a connecting plate 23 is fixedly mounted in the middle of the universal wheels 22, a protection plate 24 is attached to the outer sides of the rollers of the universal wheels 22, the sliders 20 form an elastic structure with the bottom plate 18 through the spring 21, utilize the spring 21 on the device to make slider 20 reset, convenient follow-up to the holistic removal of device and fixed mode adjust, promoted the controllability of device, more the device utilizes hold-in range 15 to drive balancing piece 32 and rotates, under the effect of balancing piece 32 self gravity for tamping hammer 31 can intermittent type nature striking ground, thereby accomplishes the work of tamping to the ground.

In this embodiment, as shown in fig. 2-4, in order to further improve the functionality of the device, a connecting cover 27 is movably mounted on the outer side of the bottom plate 18, clamping grooves 29 are respectively formed on the left and right sides of the connecting cover 27, clamping blocks 28 are movably mounted inside the clamping grooves 29, the connecting cover 27 forms a sliding structure with the bottom plate 18 through the clamping blocks 28 and the clamping grooves 29, a pressing plate 26 is fixedly connected below the telescopic rod 19, the cross section of the pressing plate 26 is i-shaped, oblique planes are respectively formed on the peripheries of the pressing plate 26, a limiting plate 25 is respectively attached to the peripheries of the pressing plate 26, the limiting plate 25 is fixedly mounted below the slider 20, the front end of the limiting plate 25 is protruded, the protruding part at the front end of the limiting plate 25 is provided with an oblique plane, the surface of the protruding part at the front end of the limiting plate 25 is attached to the surface of the pressing plate 26, the tail end of the limiting plate 25 is bifurcated, the bifurcated parts at the tail ends of the limiting plate 25 are in one-to-one correspondence with the connecting plates 23, the device passes through telescopic link 19 and promotes clamp plate 26 for clamp plate 26 promotes the limiting plate 25 of side, utilizes the bifurcation structure of limiting plate 25 front end to carry on spacingly to universal wheel 22, thereby adjusts the mobile mode of universal wheel 22, can carry out rectilinear movement, also can carry out multidirectional removal, has promoted the result of use of device.

In this embodiment, as shown in fig. 2 to 7, in order to further increase the application range of the device, the sliding block 20, the spring 21 and the universal wheel 22 correspond to each other, the middle portion of the connecting plate 23 is a rectangular solid, both the left and right sides of the connecting plate 23 are semi-cylinders, and the connecting plate 23 forms a rotating structure with the bottom plate 18 through the limiting plate 25; inside groove 33 has been seted up to the side of balancing piece 32, the inside movable mounting of balancing piece 32 has balancing weight 34, the outside bolt fastening of balancing piece 32 has baffle 35, the shape of balancing piece 32 is the quarter discoid, the inside of balancing piece 32 is the cavity form, correspond each other between the inside well hollow portion of balancing piece 32 and the balancing weight 34, balancing piece 32 is through first belt pulley 14, constitute revolution mechanic between hold-in range 15 and second belt pulley 16 and the swash plate 13, utilize the revolution mechanic on the device to make the device can utilize the rotation of balancing piece 32 to strike ground, and the inside dismantled and assembled balancing weight 34 of balancing piece 32 can be adjusted the weight of balancing piece 32, thereby adjust the holistic compaction intensity of device, make the device can adapt to the ground use of different situations.

The specific working process of the invention is as follows:

(1) is fixed to the cable 3

Firstly, adjust the interval between fastener 1 and the adjacent fastener 1 through rotating double-screw bolt 2 to install not unidimensional cable 3, through stepping on footboard 8, make stock 7 fix on the bottom surface, push away the fixed axle 5 in the fixed cylinder 6 on the frame 9 and be used for rolling the mid portion of cable 3, make the device need not the staff to carry out the tractive to cable 3 and can guarantee that cable 3 tightens all the time, can not crushd by rammer 31.

(2) Adjusting the degree of compaction

Demolish through the baffle 35 to the interior groove 33 of 32 upper segment of balancing piece, add balancing weight 34 in the cavity of balancing piece 32, decide the installation number of the balancing weight 34 that increases according to the different conditions of ground to adjust the whole weight of balancing piece 32, can drive ramming hammer 31 at balancing piece 32 pivoted in-process and carry out intermittent type nature and push down, make the device can adjust the tamping force.

(3) Adjusting the mode of movement

The moving mode of the device is adjusted by adjusting the telescopic rod 19, when the device moves in multiple directions, the telescopic rod 19 is shortened, so that the bifurcated portion of the front end of the stopper plate 25 is disengaged from the connecting plate 23 of the universal wheel 22, and at this time, the universal wheel 22 can move in multiple directions, when the universal wheel 22 needs to move linearly, the telescopic rod 19 is extended, so that the pressing plate 26 pushes the limiting plates 25 on the periphery below the device, the forked parts at the front ends of the limiting plates 25 clamp the connecting plate 23, the universal wheel 22 can only move linearly, so that the device can more completely carry out tamping work, the spring 21 between the bottom plate 18 and the sliding block 20 is used for resetting the limit plate 25, the connecting cover 27 on the device can move up and down on the clamping block 28 through the clamping groove 29, thereby avoiding excessive stones from getting stuck into the underside of the device, and at the same time, the protection plate 24 can prevent stones from getting stuck into the inside of the wheel.

(4) Tamping foundation

Drive second belt pulley 16 through motor 17 and rotate, second belt pulley 16 drives first belt pulley 14 and hold-in range 15 and rotates, first belt pulley 14 and hold-in range 15 rotate and can drive balancing piece 32 and rotate, thereby make the swash plate 13 on the device, riser 30 and ramming hammer 31 whole can be tamped ground automatically under the rotation of balancing piece 32, swash plate 13 can carry out the clash of minimalism through spout 11 and inner connecting block 12, can also reduce the holistic vibration of device when guaranteeing the tamping effect, thereby guarantee the tamping effect.

In summary, the following steps: the invention has the beneficial effects that the foundation dressing pad layer tamper has better effect, the foundation dressing pad layer tamper is improved on the basis of the prior art, the first belt pulley 14, the synchronous belt 15 and the second belt pulley 16 are utilized to drive the balance block 32 to rotate in the inclined plate 13, and downward impact force can be generated in the rotating process, so that the tamper 31 intermittently impacts the ground, the device can impact in small amplitude by utilizing the chute 11 and the inner connecting block 12, the impact strength is ensured, the use effect of the device is improved, the defect that the tamper 31 of the tamper in the prior art has larger amplitude of motion and poorer stability is solved, and the foundation dressing pad layer tamper has the advantage of stronger stability;

this foundation is maintained and is used bed course rammer compactor effect is better, the device is at the in-process that uses, can fix the end of cable 3 through stock 7 and fastener 1 on the device, the rolling work is carried out to the electric wire through the rolling structure of the inside torsional spring 4 of device simultaneously, the push away frame 9 on the device makes the staff in time remove the device is whole, the convenience of device use has been promoted, it needs many people to operate when using to have solved current rammer compactor and consumes the more defect of manpower, it consumes the advantage that the manpower is low better to have the result of use.

The device bottom be provided with the slide wedge mechanism all around, through spacing universal wheel 22, thereby make universal wheel 22 can carry out multidirectional removal or only carry out rectilinear movement, make the device can adjust holistic moving means, promoted the controllability of device, guarantee the integrality of ground tamping, the regional incomplete that the in-process deviation of avoiding removing greatly leads to tamping, protective structure on the device can prevent that the stone card from going into the inside of wheel moreover.

Be provided with balancing weight 34 in the balancing piece 32 of the device, can adjust the number of balancing weight 34 installation as required in addition, promoted the practicality of device for the device can be adjusted the dynamics of tamping, can adapt to different ground and use, has solved the relatively poor defect of current tamping device adaptability when using, has the wider advantage of applicable scope.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.

Claims

1. The pad layer tamper for foundation finishing is characterized by comprising wire clamps (1), studs (2), cables (3), torsion springs (4), a bottom plate (18) and telescopic rods (19), wherein the studs (2) are installed on the inner threads of the wire clamps (1), the cables (3) are clamped between every two adjacent wire clamps (1), the torsion springs (4) are fixedly connected to the outer sides of the cables (3), a fixing shaft (5) is fixedly arranged in the middle of each torsion spring (4), and a fixing cylinder (6) is fixedly arranged on the outer side of each fixing shaft (5); the tail end of the cable (3) is connected with a motor (17), the motor (17) is fixedly installed on the surface of the bottom plate (18), and an expansion rod (19) is fixedly installed below the bottom plate (18).

2. The pad layer rammer compactor for foundation finishing according to claim 1, characterized in that an anchor rod (7) is fixedly connected below the stud (2), a pedal (8) is fixedly connected to the side surface of the anchor rod (7), and the thread directions of the upper side and the lower side of the stud (2) are opposite.

3. The pad layer rammer compactor for foundation dressing according to claim 1, wherein a pushing frame (9) is fixedly installed at the rear side of the fixed cylinder (6), a connecting shell (10) is fixedly installed at the tail end of the pushing frame (9), and a sliding groove (11) is formed in the surface of the connecting shell (10).

4. The mat layer rammer compactor for foundation dressing according to claim 3, wherein the chute (11) is in a C shape, an inner joint block (12) is attached to the inside of the chute (11), the length of the chute (11) is greater than that of the inner joint block (12), an inclined plate (13) is fixedly connected to the rear side of the inner joint block (12), a vertical plate (30) is fixedly connected to the tail end of the inclined plate (13), a rammer (31) is fixedly mounted below the vertical plate (30), the inclined plate (13), the vertical plate (30) and the rammer (31) are of an integrated structure, and the connecting shell (10), the inclined plate (13) and the vertical plate (30) are symmetrically distributed on the front side and the rear side of the rammer (31).

5. The mat rammer for foundation dressing according to claim 4, wherein a first belt pulley (14) is rotatably installed on the surface of the inclined plate (13), a synchronous belt (15) is engaged and installed on the outer side of the first belt pulley (14), a second belt pulley (16) is engaged and installed on the left side of the synchronous belt (15), the second belt pulley (16) is rotatably installed on the surface of the connecting shell (10), the output shaft of the motor (17) is connected with the second belt pulley (16), and a balance weight (32) is fixedly connected between the first belt pulley (14) and the adjacent first belt pulley (14).

6. The mat rammer compactor for foundation dressing according to claim 5, wherein the inner periphery of the bottom plate (18) is slidably provided with a sliding block (20), a spring (21) is fixedly connected between the sliding block (20) and the bottom plate (18), the periphery of the lower surface of the bottom plate (18) is rotatably provided with a universal wheel (22), the middle of the universal wheel (22) is fixedly provided with a connecting plate (23), the outer side of a roller of the universal wheel (22) is provided with a protection plate (24) in an attached manner, and the sliding block (20) and the bottom plate (18) form an elastic structure through the spring (21).

7. The cushion layer tamper for foundation finishing according to claim 6, wherein a connecting cover (27) is movably mounted on the outer side of the bottom plate (18), clamping grooves (29) are formed in the left side and the right side of the connecting cover (27), clamping blocks (28) are movably mounted in the clamping grooves (29), and the connecting cover (27) and the bottom plate (18) form a sliding structure through the clamping blocks (28) and the clamping grooves (29).

8. The cushion rammer compactor for ground dressing according to claim 6, wherein a pressing plate (26) is fixedly connected to the lower portion of the telescopic rod (19), the cross section of the pressing plate (26) is in an I shape, oblique planes are arranged around the pressing plate (26), a limiting plate (25) is attached to the lower portion of the periphery of the pressing plate (26), the limiting plate (25) is fixedly installed below the sliding block (20), the front end of the limiting plate (25) rotates in a protruding mode, the protruding portion of the front end of the limiting plate (25) is provided with the oblique planes, the surface of the protruding portion of the front end of the limiting plate (25) is attached to the surface of the pressing plate (26), the tail end of the limiting plate (25) is in a bifurcated mode, and the bifurcated portions of the tail end of the limiting plate (25) correspond to the connecting plate (23) one by one.

9. The mat rammer compactor for foundation modification according to claim 8, wherein the sliding blocks (20) and the springs (21) correspond to the universal wheels (22), the middle part of the connecting plate (23) is a cuboid, the left side and the right side of the connecting plate (23) are both semi-cylinders, and the connecting plate (23) forms a rotating structure with the bottom plate (18) through a limiting plate (25).

10. The mat rammer compactor for ground dressing according to claim 9, wherein an inner groove (33) is formed in a side surface of the weight (32), a weight (34) is movably installed inside the weight (32), a baffle (35) is fixed to an outer side of the weight (32) by a bolt, the weight (32) is in a quarter disc shape, the weight (32) is hollow inside, the hollow inside the weight (32) and the weight (34) correspond to each other, and the weight (32) forms a rotating structure with the inclined plate (13) through the first belt pulley (14), the synchronous belt (15), the second belt pulley (16) and the inclined plate (13).