CN115753281A - Electric compaction instrument - Google Patents

Abstract

The utility model relates to an electronic hit real appearance, including the supporting seat, the vertical material bucket that is provided with in below of supporting seat, the top of material bucket is provided with hits real hammer, the top of supporting seat is provided with the elevating platform, be provided with control on the elevating platform hit the control structure that real hammer goes up and down, be provided with the drive on the supporting seat the elevation structure that the elevating platform reciprocated. The method has the effect of reducing errors caused by subsidence generated in the compaction process of the sample.

Description

Electric compaction instrument

Technical Field

The application relates to the field of geotechnical test equipment, in particular to an electric compaction tester.

Background

The compaction instrument is a special instrument for foundation filling engineering of hydraulic engineering dams, highways, railways, civil airports, municipal engineering, civil buildings and the like. And measuring the relation between the water content and the dry density of the soil under the action of standard compaction work, thereby determining the optimal water content and the corresponding maximum dry density of the soil sample.

The indoor compaction test process is as follows: a test sample with a certain water content is divided into three or two layers and placed into a compaction test mould cylinder, each layer is compacted by a compaction hammer to obtain a certain compaction number, the compaction work of each layer of soil is the product of the weight of a hammer body, the drop distance of the hammer body and the compaction number, the soil layers are compacted in a layered mode until the soil layers are full of the cylinder, the water content and the wet density of the compacted soil are measured, and the dry density is calculated. And (3) compacting the soil samples with different water contents by the same method, wherein each soil sample can obtain the compacted water content and dry density. The water content is used as an abscissa and the dry density is used as an ordinate to draw the data points, and a curve which is drawn by connecting each point is a curve which can reflect the compaction characteristics of the soil body and is called a compaction curve.

In view of the above-mentioned related technologies, the inventor believes that since the sample has a certain amount of sinking after each compaction, the multiple drop distances of the compaction hammers are inconsistent, and further experimental data are subject to errors.

Disclosure of Invention

In order to reduce errors caused by sinking of a sample in a compaction process, the application provides an electric compaction instrument.

The application provides an electronic hit real appearance adopts following technical scheme:

the utility model provides an electronic real appearance that hits, including the supporting seat, the vertical material bucket that is provided with in below of supporting seat, the top of material bucket is provided with hits real hammer, the top of supporting seat is provided with the elevating platform, be provided with control on the elevating platform hit the control structure that real hammer goes up and down, be provided with the drive on the supporting seat the elevating structure that the elevating platform reciprocated.

Through adopting above-mentioned technical scheme, hit real hammer and go up and down in the below of supporting seat through control structure control, and hit real hammer and hit the material that lies in material bucket inside and really, after the surface that lies in the inside material of material bucket descends, drive the elevating platform downstream through elevation structure, and the distance that moves is the same with the height that lies in the inside material surface decline of material bucket, thereby make and hit the height that real hammer descends and remain unchanged all the time, reduce because the sample produces the error that sinks and cause at hitting real in-process.

Optionally, the control structure is including the clamping jaw, the top fixedly connected with hoist engine of elevating platform, the hoist engine is rolled up there is the stay cord, the one end of stay cord with hoist engine fixed connection, the other one end of stay cord with clamping jaw fixed connection, hit the lateral wall of real hammer and seted up the annular, the bottom level of clamping jaw is provided with the fixture block, the fixture block can stretch into the inside of annular.

Through adopting above-mentioned technical scheme, through the inside of fixture block joint at the annular, and then carry out the centre gripping through the clamping jaw to hitting the real hammer and fix, and then the hoist engine drives the stay cord and risees, and the stay cord drives to press from both sides and risees, and then drives the clamping jaw through the hoist engine and go up and down.

Optionally, the clamping jaw is including the shell, the inside vertical sliding connection of shell has the linkage board, the vertical elastic component that is provided with in top of linkage board, first locking groove has been seted up to the lateral wall level of linkage board, the linkage board is located the second locking groove has been seted up to the below level in first locking groove, the lateral wall horizontal sliding connection of linkage board has the locking block, the locking block can with first locking groove with the second locking groove is relative, the fixture block is located the below of linkage board, just the fixture block with the shell rotates to be connected, the fixture block with the rotation center of shell is located the linkage board is close to hit the one end at real hammer center.

Through adopting above-mentioned technical scheme, when needs carry out the centre gripping fixed to hitting the real hammer, make the fixture block be located the inside of annular, and the locking block of this moment is located the inside of first locking groove, linkage board promotes the fixture block and is the horizontal state, and when needs will hit real hammer whereabouts, through the inside roll-off of locking block first locking groove, and hit real hammer drive the fixture block upset, and then hit real hammer whereabouts, and the fixture block drives linkage board rebound, the compression elastic component, and the locking block is relative with second locking groove, and then the locking block enters into the inside of second locking groove, make the fixture block be vertical state, and when needs stretch into the inside of annular with the fixture block and drive hitting the real hammer and rise, move the fixture block to the position relative with the annular, the locking block is from the inside roll-off of second locking groove, and the elastic component promotes the board downward movement, and then make the locking block relative with first locking groove, the locking block stretches into the inside of first locking groove, linkage board promotes the fixture block and is the horizontal state, and then drive the fixture block and stretch into the inside of annular.

Optionally, a guide block is fixedly connected to the support seat relative to the jaw, a guide wall is arranged on one side of the guide block relative to the jaw, and the guide wall is arranged in an inclined manner.

Through adopting above-mentioned technical scheme, when the clamping jaw drives and hits real hammer and rise, the direction through the guide block reduces and hits the condition that real hammer produced and rock, and then is convenient for fix a position hitting real hammer, is convenient for hit the inside that real hammer enters into the material bucket.

Optionally, the bottom wall of the clamping jaw is fixedly connected with a first magnet, the upper surface of the compaction hammer is fixedly connected with a second magnet relative to the first magnet, and the first magnet and the second magnet can be adsorbed relatively.

Through adopting above-mentioned technical scheme, first magnet is relative with the second magnet when the clamping jaw is relative with hitting real hammer, and then first magnet and second magnet can adsorb relatively for the clamping jaw with hit real hammer and can the relative positioning, reduce the clamping jaw and hit the condition of real hammer dislocation.

Optionally, the inside level of shell is provided with synchronous board, the linkage board sets up two relatively, just the locking piece sets up two relatively, synchronous board for the position of locking piece with shell sliding connection, two relatively sliding connection has synchronous piece between the synchronous board, synchronous piece for the lateral wall slope of synchronous board sets up, one side of synchronous piece is provided with the drive synchronous piece horizontal migration's first driving piece, the lateral wall of synchronous board is provided with the drive synchronous board elastic component that resets.

Through adopting above-mentioned technical scheme, drive synchronous piece through first driving piece and reciprocate, and then synchronous piece drives relative synchronous board towards relative direction horizontal migration for synchronous board drives relative locking piece horizontal migration, drives the inside that the locking piece stretched into first locking groove and second locking groove respectively.

Optionally, the lifting structure includes a vertically arranged screw rod, the screw rod is in threaded connection with the lifting platform, the screw rod is in rotational connection with the supporting seat, the supporting seat is provided with a drive for the position of the screw rod, a second driving piece for driving the screw rod to rotate is arranged at the position, away from the lifting platform, of one end of the screw rod, a guide rod is vertically arranged, the guide rod is in sliding connection with the lifting platform, and the guide rod is fixedly connected with the supporting platform.

Through adopting above-mentioned technical scheme, drive the screw rod through the second driving piece and rotate, and the screw rod drives the lifter plate and reciprocates to the lifter plate drives the hoist engine and reciprocates, and then adjusts the initial position of clamping jaw, the operating personnel's of being convenient for operation.

Optionally, the supporting seat comprises a horizontal plate, the bottom wall of the horizontal plate is vertically provided with supporting legs, each supporting leg comprises a supporting leg and a first hydraulic cylinder, the first hydraulic cylinder is vertically arranged at the top end of the corresponding supporting leg, and the first hydraulic cylinder can drive the horizontal plate to move up and down.

Through adopting above-mentioned technical scheme, can drive the diaphragm through the first pneumatic cylinder that sets up and reciprocate to adjust the interval between the lower surface of diaphragm and the ground, the operating personnel of being convenient for adjusts according to actual conditions.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the compaction hammer is controlled to lift below the supporting seat through the control structure, the compaction hammer is used for compacting materials inside the material barrel, after the surface of the materials inside the material barrel descends, the lifting platform is driven to move downwards through the lifting structure, the moving distance is the same as the height of the surface of the materials inside the material barrel, so that the height of the compaction hammer, which descends, is kept unchanged all the time, and the error caused by sinking of the sample in the compaction process is reduced.

2. When needs carry out the centre gripping fixed to hitting solid hammer, make the fixture block be located the inside of annular, and the locking block this moment is located the inside in first locking groove, the linkage board promotes the fixture block and is the horizontal state, and when needs will hit solid hammer whereabouts, through the inside roll-off of locking block first locking groove, and hit solid hammer drive fixture block upset, and then hit solid hammer whereabouts, and the fixture block drives linkage board rebound, compress the elastic component, and the locking block is relative with second locking groove, and then the locking block enters into the inside in second locking groove, make the fixture block be vertical state, and when needs stretch into the inside drive hitting solid hammer of annular of fixture block, move the fixture block to the position relative with the annular, the locking block rolls off from the inside in second locking groove, and the elastic component promotes the linkage board and moves down, and then make the locking block relative with first locking groove, the locking block stretches into the inside in first locking groove, the linkage board promotes the fixture block and is the horizontal state, and then drive the fixture block and stretch into the inside of annular.

3. The screw rod is driven to rotate through the second driving piece, and the screw rod drives the lifting plate to move up and down, so that the lifting plate drives the winch to move up and down, the initial position of the clamping jaw is adjusted, and operation of an operator is facilitated.

Drawings

FIG. 1 is a schematic view of an overall structure of an electric compaction apparatus according to an embodiment of the present application;

FIG. 2 is a schematic structural diagram of an embodiment of the present application, illustrating a position of an elevating platform of an electric compaction apparatus;

FIG. 3 is a schematic view of an electric compaction apparatus according to an embodiment of the present disclosure;

FIG. 4 is a cross-sectional view of an electric compaction apparatus at the jaw position in an embodiment of the present application;

FIG. 5 is a cross-sectional view of the interior of the housing of an electric compaction apparatus according to an embodiment of the present application.

Description of reference numerals: 1. a supporting seat; 11. a transverse plate; 12. a support leg; 13. a first hydraulic cylinder; 14. a guide block; 2. a material barrel; 3. a compaction hammer; 31. a ring groove; 32. a second in-place switch; 33. a second magnet; 4. a lifting platform; 41. a lifting plate; 42. a lifting rod; 43. a screw; 44. a first rotating electric machine; 45. a guide bar; 46. a winch; 461. pulling a rope; 5. a control structure; 51. a clamping jaw; 52. a housing; 521. a linkage plate; 522. a first spring; 523. a first locking groove; 524. a second locking slot; 53. a locking block; 54. a synchronization board; 541. a first plate body; 542. a second plate body; 543. a second spring; 55. a synchronization block; 551. a second hydraulic cylinder; 56. a clamping block; 57. a first in-position switch; 58. a first magnet.

Detailed Description

The present application is described in further detail below with reference to figures 1-5.

The embodiment of the application discloses electronic hit real appearance. Referring to fig. 1 and 2, an electronic compaction device is including supporting seat 1, and the below of supporting seat 1 is provided with material bucket 2, and supporting seat 1 is vertical for the top of material bucket 2 to be provided with compaction hammer 3, and the top that is located supporting seat 1 is provided with elevating platform 4 that reciprocates, and is located still to be provided with the control structure 5 that control compaction hammer 3 goes up and down on supporting seat 1.

Supporting seat 1 is including the diaphragm 11 that the level set up, and the below of diaphragm 11 is vertical to be provided with landing leg 12, the first pneumatic cylinder 13 of top fixedly connected with of landing leg 12, the vertical setting of first pneumatic cylinder 13, fixed connection between the hydraulic stem of first pneumatic cylinder 13 and diaphragm 11. The transverse plate 11 can be driven to move up and down through the first hydraulic cylinder 13, so that the distance between the transverse plate 11 and the ground is adjusted.

The compaction hammer 3 is a cylindrical structure, and a ring groove 31 is formed in the side wall of the compaction hammer 3. Material bucket 2 is open-top's hollow cylinder structure, and the lateral wall diameter of ramming the real hammer 3 is less than the inside wall diameter of material bucket 2, and material bucket 2 with hit and coaxially set up between the real hammer 3, and when hitting real hammer 3 whereabouts, hit real hammer 3 and can enter into the inside and the relative slip of material bucket 2, hit the real hammer 3 through hitting the inside material that is located material bucket 2 and hit really.

The lifting platform 4 comprises a lifting plate 41 horizontally arranged, two ends of the lifting plate 41 are respectively vertically provided with a lifting rod 42, the lifting rod 42 is fixedly connected with the transverse plate 11, and the lifting rod 42 is slidably connected with the lifting platform 4.

Two ends of the lifting plate 41 extend out of the side wall of the lifting rod 42, a screw 43 is vertically arranged at one end of the lifting plate 41, the screw 43 is in threaded connection with the lifting plate 41, and the screw 43 is in rotational connection with the transverse plate 11. The transverse plate 11 is fixedly connected with the first rotating motor 44 relative to the screw 43, and a motor shaft of the first rotating motor 44 is fixedly connected with the screw 43. The other end of the lifting plate 41 is vertically provided with a guide rod 45, the bottom end of the guide rod 45 is fixedly connected with the transverse plate 11, and the guide rod 45 is slidably connected with the lifting plate 41.

The below fixedly connected with laser range finder of diaphragm 11, the distance of the lower surface that laser range finder can measure diaphragm 11 and clamping jaw 51 roof, and then adjusts the height of lifter plate 41. When the first rotating motor 44 drives the screw 43 to rotate, the screw 43 drives the lifting plate 41 to move up and down relatively above the horizontal plate 11.

With reference to fig. 2 and 3, the control arrangement 5 comprises a holding jaw 51 above the compaction hammer 3, which holding jaw 51 is used for holding and raising the compaction hammer 3. Fixedly connected with hoist 46 on the lifter plate 41, and hoist 46 is rolled up there is stay cord 461, the one end and the hoist 46 fixed connection of stay cord 461, and the other end of stay cord 461 passes and relative sliding connection on lifter plate 41 and diaphragm 11, the other end and the clamping jaw 51 fixed connection of stay cord 461, drive the winding of stay cord 461 on the spool through hoist 46, and then drive clamping jaw 51 and reciprocate.

Referring to fig. 3 and 4, the clamping jaw 51 includes a housing 52, a linkage plate 521 is vertically disposed inside the housing 52, the linkage plates 521 are respectively disposed at two sides of the compaction hammer 3, a connecting line between two opposite linkage plates 521 is along a radial direction of the compaction hammer 3, and the linkage plate 521 is slidably connected with the housing 52. A first spring 522 is vertically arranged at the top end of the linkage plate 521, one end of the first spring 522 is fixedly connected with the housing 52, and the other end of the first spring 522 is fixedly connected with the linkage plate 521.

A first locking groove 523 is horizontally formed in the side wall of the linkage plate 521, a second locking groove 524 is horizontally formed below the first locking groove 523 of the linkage plate 521, and the first locking groove 523 and the second locking groove 524 are oppositely arranged. The locking block 53 is horizontally arranged on one side of the linkage plate 521, the synchronizing plate 54 is horizontally arranged in the housing 52 relative to the locking block 53, the synchronizing plate 54 is of an L-shaped structure, the synchronizing plate 54 comprises a first plate body 541 horizontally arranged and a second plate body 542 vertically arranged with the first plate body 541, the first plate body 541 and the second plate body 542 are fixedly connected, and the first plate body 541 and the locking block 53 are fixedly connected.

The second plate 542 is sleeved with a second spring 543, one end of the second spring 543 is fixedly connected to the housing 52, and the other end of the second spring 543 is fixedly connected to the second plate 542.

The synchronizing block 55 is arranged between the two opposite second plate bodies 542, the synchronizing block 55 is slidably connected with the housing 52, and the side wall of the synchronizing block 55 close to the second plate bodies 542 is inclined, and the side wall is gradually inclined towards one end away from the center from one end close to the locking block 53 to one end away from the locking block 53.

One side level of synchronization block 55 is provided with second hydraulic cylinder 551, second hydraulic cylinder 551 and shell 52 fixed connection, and the hydraulic stem of second hydraulic cylinder 551 and synchronization block 55 fixed connection, the hydraulic stem of second hydraulic cylinder 551 can drive synchronization block 55 at the inside relative slip of shell 52, and then promote synchronization block 55 relative slip, when synchronization block 55 moves towards the one side that is close to locking block 53, synchronization block 55 promotes relative two synchronization boards 54 and moves towards the direction that relatively deviates from, compress second spring 543, and then drive locking block 53 and move towards the direction that relatively deviates from. When the second hydraulic cylinder 551 moves the synchronization block 55 to the side away from the locking block 53, the second spring 543 pushes the synchronization plate 54 to move in the relatively close direction, and thus moves the opposite locking block 53 in the relatively close direction.

A fixture block 56 is horizontally arranged below the linkage plate 521, the fixture block 56 is arranged opposite to the annular groove 31, the fixture block 56 is rotatably connected with the shell 52, and a rotation center between the fixture block 56 and the shell 52 is located at one end close to the center of the compaction hammer 3. When the latch 56 is horizontally disposed, the latch 56 can extend into the annular groove 31, and when the latch 56 rotates to be in a vertical state, the latch 56 is relatively separated from the annular groove 31.

The second hydraulic cylinder 551 drives the synchronizing block 55 to move downwards to drive the two opposite synchronizing plates 54 to move towards the direction of relative deviation, so that the side walls of the locking block 53 located on the linkage plate 521 slide relatively, the first spring 522 pushes the linkage plate 521 to move downwards to drive the clamping block 56 to extend into the annular groove 31 in a horizontal state, when the locking block 53 is opposite to the second locking groove 524, the second hydraulic cylinder 551 drives the synchronizing block 55 to move upwards, and then the two synchronizing plates 54 move towards the direction of relative approach, so that the locking block 53 extends into the second locking groove 524.

When the compaction hammer 3 needs to fall down, the second hydraulic cylinder 551 drives the synchronization block 55 to move downward, and drives the two opposite synchronization plates 54 to move in the direction of relative deviation, so that the side walls of the locking block 53 located on the linkage plate 521 slide relatively, the compaction hammer 3 descends due to gravity, the fixture block 56 is driven to rotate, the fixture block 56 pushes the linkage plate 521 to move upward, the first spring 522 is compressed, and the locking block 53 is driven to be opposite to the first locking groove 523. The second hydraulic cylinder 551 drives the synchronization block 55 to move upward, pushing the two synchronization plates 54 to move toward a relatively close direction, and the locking block 53 extends into the first locking groove 523 to be locked.

Referring to fig. 4 and 5, a first in-position switch 57 is fixedly connected to the housing 52 at a central position with respect to the compaction hammer 3, a second in-position switch 32 is fixedly connected to the upper surface of the compaction hammer 3 at a position with respect to the first in-position switch 57, and when the jaw 51 is clamped on the compaction hammer 3, the first in-position switch 57 is abutted against the second in-position switch 32. When the first position switch 57 and the second position switch 32 abut against each other, a signal is generated to control the second hydraulic cylinder 551 to operate.

The first magnet 58 is fixedly connected to the upper surface of the shell 52 opposite to the compaction hammer 3, the second magnet 33 is fixedly connected to the upper surface of the compaction hammer 3 at a position opposite to the first magnet 58, and the first magnet 58 and the second magnet 33 are opposite in magnetism, so that when the jaw 51 is clamped on the compaction hammer 3, the first magnet 58 and the second magnet 33 are attracted to each other, and the vertical movement of the compaction hammer 3 is guided.

Referring to fig. 1 and 2, a guide block 14 is fixedly connected to a position below the transverse plate 11 relative to the housing 52, a guide wall is provided at a position of the guide block 14 relative to the housing 52, the guide wall is gradually inclined toward a direction away from the housing along a height direction from top to bottom, and when the housing 52 moves upward, the compaction hammer 3 can be guided by the guide wall.

The implementation principle of the electric compaction instrument in the embodiment of the application is as follows: through the inside of clamping jaw 51 with fixture block 56 joint at the draw-in groove, and then carry out the centre gripping to hitting real hammer 3 through clamping jaw 51, will hit real hammer 3 and promote to booking the height, later drive synchronous block 55 downstream through second pneumatic cylinder 551, promote relative fixture block 56 and move towards the relative direction that deviates from, and then hit real hammer 3 and drive fixture block 56 upset, hit real hammer 3 whereabouts and hit real action.

The clamping jaw 51 is driven to move downwards by the winch 46, the first in-place switch 57 of the outer shell 52 is abutted against the second in-place switch 32, the clamping block 56 is opposite to the annular groove 31, the linkage plate 521 is pushed to move downwards by the first spring 522, the locking block 53 is opposite to the second locking groove 524, the second hydraulic cylinder 551 drives the guide block 14 to move upwards, the two opposite clamping blocks 56 are driven to move towards a relatively approaching direction, the locking block 53 extends into the second locking groove 524 to lock the clamping block 56, and the pull rope 461 drives the clamping jaw 51 and the compaction hammer 3 to move upwards.

The falling distance of the clamping jaw 51 is measured through the laser range finder, and then is adjusted according to the condition, and the first rotating motor 44 drives the screw rod 43 to rotate, and then drives the lifting plate 41 to move up and down.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims (8)

1. An electronic hit real appearance which characterized in that: including supporting seat (1), the below of supporting seat (1) is vertical to be provided with material bucket (2), the top of material bucket (2) is provided with hits real hammer (3), the top of supporting seat (1) is provided with elevating platform (4), be provided with control on elevating platform (4) hit control structure (5) that real hammer (3) go up and down, be provided with the drive on supporting seat (1) elevating structure that elevating platform (4) reciprocated.

2. An electric compaction apparatus according to claim 1, wherein: control structure (5) including clamping jaw (51), the top fixedly connected with hoist engine (46) of elevating platform (4), hoist engine (46) are rolled up there are stay cord (461), the one end of stay cord (461) with hoist engine (46) fixed connection, the other one end of stay cord (461) with clamping jaw (51) fixed connection, strike solid hammer's (3) lateral wall and seted up annular (31), the bottom level of clamping jaw (51) is provided with fixture block (56), fixture block (56) can stretch into the inside of annular (31).

3. An electric compaction apparatus according to claim 2, wherein: clamping jaw (51) is including shell (52), the inside vertical sliding connection of shell (52) has linkage board (521), the top of linkage board (521) is vertical to be provided with the elastic component, first locking groove (523) have been seted up to the lateral wall level of linkage board (521), linkage board (521) are located second locking groove (524) have been seted up to the below level of first locking groove (523), the lateral wall horizontal sliding connection of linkage board (521) has locking block (53), locking block (53) can with first locking groove (523) with second locking groove (524) are relative, fixture block (56) are located the below of linkage board (521), and fixture block (56) with shell (52) rotate and are connected, fixture block (56) with the center of rotation of shell (52) is located linkage board (521) are close to the one end in compaction hammer (3) center.

4. An electric compaction apparatus according to claim 2, wherein: the supporting seat (1) is fixedly connected with a guide block (14) relative to the clamping jaw, the guide block (14) is provided with a guide wall relative to one side of the clamping jaw, and the guide wall is obliquely arranged.

5. An electric compaction apparatus according to claim 2, wherein: the bottom wall fixedly connected with first magnet (58) of clamping jaw (51), the upper surface of beating real hammer (3) for the fixed position of first magnet (58) is connected with second magnet (33), first magnet (58) with second magnet (33) can adsorb relatively.

6. An electric compaction apparatus according to claim 3, wherein: the utility model discloses a synchronous board, including shell (52), linkage board (521), locking piece (53), synchronous piece (55) for the lateral wall slope setting of synchronous board (54), one side of synchronous piece (55) is provided with the drive synchronous piece (55) horizontal migration's first driving piece, the lateral wall of synchronous board (54) is provided with the drive synchronous board (54) reset elastic component, linkage board (521) sets up two relatively, locking piece (53) set up two relatively, synchronous board (54) for the position of locking piece (53) with shell (52) sliding connection, two relatively sliding connection has synchronous piece (55) between synchronous board (54), synchronous piece (55) for the lateral wall slope setting of synchronous board (54), one side of synchronous piece (55) is provided with the drive synchronous piece (54) reset.

7. An electric compaction apparatus according to claim 1, wherein: elevation structure is including screw rod (43) of vertical setting, screw rod (43) with elevating platform (4) threaded connection, screw rod (43) with supporting seat (1) rotate to be connected, supporting seat (1) for the position of screw rod (43) is provided with the drive screw rod (43) pivoted second driving piece, elevating platform (4) deviate from the vertical guide bar (45) that is provided with of one end of screw rod (43), guide bar (45) with elevating platform (4) sliding connection, guide bar (45) with brace table fixed connection.

8. An electric compaction apparatus according to claim 1, wherein: the supporting seat (1) is including diaphragm (11) that the level set up, the vertical landing leg (12) that is provided with in diapire of diaphragm (11), landing leg (12) are including landing leg (12) and be located the vertical first pneumatic cylinder (13) that sets up in landing leg (12) top, first pneumatic cylinder (13) can drive diaphragm (11) reciprocates.

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