CN214695533U

CN214695533U - Positioning device for rammer of dynamic compactor

Info

Publication number: CN214695533U
Application number: CN202023118979.2U
Authority: CN
Inventors: 司园修; 张彦飞; 司建波; 高小军; 张博
Original assignee: Shaanxi Long Yue Foundation Engineering Co ltd
Current assignee: Shaanxi Long Yue Foundation Engineering Co ltd
Priority date: 2020-12-22
Filing date: 2020-12-22
Publication date: 2021-11-12
Anticipated expiration: 2030-12-22

Abstract

The application relates to a positioner of dynamic compactor rammer relates to dynamic compactor auxiliary assembly's field. It includes frame and locating component, the frame includes left branch strut, right branch strut and link, left branch strut and right branch strut are just and the symmetry sets up, the one end and the left branch strut of link are connected, the other end and the right branch strut of link are connected, locating component includes left locating component and right locating component, left side locating component includes first cylinder and first layer board, first cylinder shell can dismantle with the left branch strut and be connected, first cylinder piston rod is towards the right branch strut, first cylinder piston rod is connected with first layer board, right side locating component is the same with left locating component's structure and connected mode, right side locating component, left locating component set up with the symmetry plane symmetry of left branch strut and right branch strut. This application has the effect that improves the precision of rammer hammer body drop hammer position.

Description

Positioning device for rammer of dynamic compactor

Technical Field

The application relates to the field of auxiliary equipment of dynamic compaction machines, in particular to a positioning device of a dynamic compaction machine rammer.

Background

At present, in the collapsible loess area in northwest China, the collapsible property of loess needs to be eliminated and the bearing capacity of the foundation needs to be improved. The collapsible property of loess is eliminated by adopting a cast-in-situ bored pile method, but the cast-in-situ bored pile needs to penetrate through a collapsible loess layer, and the construction cost is overhigh. At present, a deep-layer dynamic compaction method in a hole is widely adopted, and the method is particularly suitable for treating deep collapsible loess and a foundation with high bearing capacity requirement and has the outstanding advantages of low manufacturing cost and short construction period.

In the related art, chinese utility model patent with publication number CN203716137U discloses an in-hole deep dynamic compaction machine, which comprises a chassis, a platform, a mast, an operation table, a hydraulic system, a control system, a winch and a rammer, wherein the lower end of the mast is hinged on the platform, a mast oil cylinder is hinged between the platform and the mast, and a steel wire rope on the winch bypasses a goose head pulley on the mast and is fixedly connected with the rammer; the platform is connected with the chassis through a rotating device, a hopper and a material tongue are arranged on the platform, a hopper door is arranged at an outlet of the hopper and is in butt joint with the material tongue, and the control system is in communication connection with the winch operating system and the hopper door operating system.

In view of the above related technologies, the inventor believes that the ram will shake in the air during the construction process of the dynamic compaction machine, and the accuracy of the ram falling position is poor.

SUMMERY OF THE UTILITY MODEL

In order to improve the precision of rammer drop hammer position, this application provides a positioner of dynamic compactor rammer.

The application provides a positioner of dynamic compactor rammer adopts following technical scheme:

the utility model provides a positioner of dynamic compactor rammer, includes frame and locating component, the frame includes left branch strut, right branch strut and link, left branch strut and right branch strut are just and the symmetry sets up, the one end and the left branch strut of link are connected, the other end and the right branch strut of link are connected, locating component includes left locating part and right locating part, left side locating part includes first cylinder and first layer board, first cylinder shell can dismantle with left branch strut and be connected, first cylinder piston rod is towards right branch strut, first cylinder piston rod is connected with first layer board, right side locating part is the same with left locating part's structure and connected mode, right side locating part, left locating part set up with the plane of symmetry of left branch strut and right branch strut.

Through adopting above-mentioned technical scheme, the ram hammer body sets up between left branch strut and right branch strut, when the ram hammer body is promoted to the height of whereabouts by wire rope, left locating component and right locating component move in opposite directions, left locating component and right locating component support the ram hammer body tightly, the ram hammer body stops rocking, left locating component and right locating component shrink to the one side of keeping away from each other, the ram hammer body whereabouts, the ram hammer body tamps the foundation ditch, can reduce the probability that the ram hammer body rocked in the air, improve the precision that the ram hammer body fell the hammer position.

Optionally, the left support frame is provided with a left guide assembly for assisting the first cylinder piston rod to move, and the right support frame is provided with a right guide assembly with the same structure as the left guide assembly.

Through adopting above-mentioned technical scheme, the piston rod motion of the supplementary first cylinder of left side direction subassembly reduces the probability that first cylinder piston rod buckles, improves left locating component's stability, and right side direction subassembly is used for improving right locating component's stability, and left side direction subassembly and right direction subassembly cooperation can reduce the probability that left locating component and right locating component take place to warp, improve locating component and rammer hammer body support position's precision.

Optionally, the left guide assembly comprises a first guide rod, a second guide rod and a left guide plate, the first guide rod and the second guide rod are arranged around the first cylinder, the axis direction of the first guide rod and the axis direction of the second guide rod are the same as the motion direction of a piston rod of the first cylinder, the left guide plate is fixedly connected with the piston rod of the first cylinder, a first guide hole and a second guide hole are formed in the left guide plate, the first guide hole is connected with the first guide rod in a sliding mode, and the second guide hole is connected with the second guide rod in a sliding mode.

Through adopting above-mentioned technical scheme, left deflector slides on first guide bar and second guide bar, and the piston rod of guide first cylinder moves towards right support frame, reduces the probability that first cylinder piston rod warp, improves the precision of first layer board and rammer hammer block contact position, reduces the probability that rammer hammer block drop hammer position takes place the skew.

Optionally, the first supporting plate is an arc-shaped plate, the concave surface of the first supporting plate is used for being attached to the surface of the hammer body of the rammer, and the right positioning component comprises a second supporting plate which is the same as the first supporting plate in shape and structure.

Through adopting above-mentioned technical scheme, make things convenient for first layer board and second layer board to fix a position the ram hammer body, reduce the probability that the ram hammer body rocked, improve the precision of ram hammer body location.

Optionally, a first cushion pad is disposed on one side of the first supporting plate facing the second supporting plate, and a second cushion pad is disposed on one side of the second supporting plate facing the first supporting plate.

Through adopting above-mentioned technical scheme, first blotter and second blotter damage locating component's probability when being used for reducing locating component and rammer hammer body contact, improve locating component's live time, the convenient range of rocking that reduces the rammer hammer body fast improves the precision of rammer hammer body drop hammer position.

Optionally, the first cushion pad is detachably connected with the first supporting plate, and the second cushion pad is detachably connected with the second supporting plate.

Through adopting above-mentioned technical scheme, conveniently change the first blotter and the second blotter of wearing and tearing, improve the convenience of changing first blotter and second blotter.

Optionally, the first cushion pad is provided with a first positioning block towards one side of the first support plate, the first support plate is provided with a first positioning groove towards one side of the first cushion pad, the first positioning block and the first positioning groove are elastically clamped, the second cushion pad is provided with a second positioning block with the same structure as the first positioning block, the second support plate is provided with a second positioning groove with the same structure as the first positioning groove, and the second positioning block and the second positioning groove are elastically clamped.

Through adopting above-mentioned technical scheme, first blotter and first layer board elastic clamping conveniently change first blotter, and second blotter and second layer board elastic clamping conveniently change the second blotter, improve first blotter and second blotter and change the convenience.

Optionally, one side of the first supporting plate close to the first cushion pad is provided with a plurality of first threaded holes, the first cushion pad and the first supporting plate are fixed through bolts, one side of the second supporting plate close to the second cushion pad is provided with a plurality of second threaded holes, and the second cushion pad and the second supporting plate are fixed through bolts.

Through adopting above-mentioned technical scheme, the bolt that first layer board and first blotter are connected is unscrewed, takes off first blotter, and the bolt that second layer board and second blotter are connected is unscrewed, takes off the second blotter, conveniently changes first blotter and second blotter, improves the convenience that first blotter, second blotter were changed.

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

1. the positioning assembly is arranged on the frame, so that the amplitude of the hammer body of the rammer in the air is reduced, and the precision of the hammer falling position of the hammer body of the rammer is improved;

2. the left positioning component is provided with the left guide assembly, the right positioning component is provided with the right guide assembly, so that the precision of clamping the hammer body of the rammer by the left positioning component and the right positioning component is improved, and the probability of deviation of the hammer falling position of the hammer body of the rammer is reduced;

3. set up first blotter with first layer board surface, second layer board surface sets up the second blotter, reduces the probability that first layer board and second layer board damaged when being close to the ram hammer body, and the range of rocking of the ram hammer body is conveniently reduced fast, improves the precision that the ram hammer body fell the hammer position.

Drawings

Fig. 1 is a schematic structural diagram of embodiment 1 of the present application.

Fig. 2 is a partial perspective sectional view of embodiment 1 of the present application.

Fig. 3 is a partial perspective sectional view of embodiment 2 of the present application.

Description of reference numerals: 1. a left support frame; 2. a right support frame; 3. a connecting frame; 4. a first cylinder; 5. a first pallet; 6. a second cylinder; 7. a second pallet; 8. a left guide assembly; 81. a first guide bar; 82. a second guide bar; 83. a left guide plate; 9. a right guide assembly; 91. a third guide bar; 92. a fourth guide bar; 93. a right guide plate; 10. a first cushion pad; 11. a second cushion pad; 12. a fixed pulley; 13. a wire rope; 14. a ram body; 15. a first positioning block; 16. a first positioning groove; 17. a second positioning block; 18. a second positioning groove; 19. a first threaded hole; 20. and a second threaded hole.

Detailed Description

The present application is described in further detail below with reference to figures 1-3.

The embodiment of the application discloses positioner of dynamic compactor rammer.

Example 1

Referring to fig. 1, the positioning device comprises a frame and a positioning assembly, the frame comprises a left support frame 1, a right support frame 2 and a connecting frame 3, the left support frame 1 and the right support frame 2 are both of cast iron frame structures, the connecting frame 3 is made of cast iron, the left support frame 1, the right support frame 2 and the connecting frame 3 are all cuboid, the left support frame 1 and the right support frame 2 are arranged oppositely and symmetrically, the left support frame 1 and the right support frame 2 are two inclined edges of an isosceles trapezoid, one side of the left support frame 1 close to the right support frame 2 is welded with one end of the connecting frame 3, one side of the right support frame 2 close to the left support frame 1 is welded with the other end of the connecting frame 3, the connecting frame 3 is arranged horizontally, a fixed pulley 12 for conveying a steel wire rope 13 is rotatably linked in the middle of the connecting frame 3, one end of the steel wire rope 13 is buckled with a hammer body 14, the hammer body 14 is arranged between the left support frame 1 and the right support frame 2, the material of ram body 14 is cast iron. The positioning assembly comprises a left positioning component and a right positioning component, the left positioning component and the right positioning component are symmetrically arranged by the symmetrical surfaces of a left support frame 1 and a right support frame 2, the left positioning component comprises a first cylinder 4 and a first supporting plate 5, the first cylinder 4 is horizontally arranged, a shell of the first cylinder 4 is fixed with the left support frame 1 through a bolt, a piston rod of the first cylinder 4 faces the right support frame 2, one end, far away from the left support frame 1, of the piston rod of the first cylinder 4 is welded with the first supporting plate 5, the first supporting plate 5 is made of cast iron, the first supporting plate 5 is an arc-shaped plate, and the concave surface of the first supporting plate 5 faces the right support frame 2; the right positioning component comprises a second cylinder 6 and a second supporting plate 7, the second cylinder 6 is horizontally arranged, a shell of the second cylinder 6 is fixed with a bolt of the right supporting frame 2, a piston rod of the second cylinder 6 faces towards the left supporting frame 1, one end, far away from the right supporting frame 2, of the piston rod of the second cylinder 6 is welded with the second supporting plate 7, the second supporting plate 7 is made of cast iron, the second supporting plate 7 is an arc-shaped plate, a concave surface of the second supporting plate 7 faces towards the right supporting frame 2, and the first supporting plate 5 and the second supporting plate 7 are oppositely arranged. The rammer 14 is promoted by wire rope 13, rammer 14 rocks in the air, first layer board 5 moves to second layer board 7 one side under the drive of first cylinder 4, second layer board 7 moves to first layer board 5 under the drive of second cylinder 6, first layer board 5 and second layer board 7 support rammer 14 tightly, rammer 14 stops rocking, first cylinder 4 drives first layer board 5 and withdraws, second cylinder 6 drives second layer board 7 and withdraws, wire rope 13 relaxes, rammer 14 whereabouts, rammer 14 tamps the foundation ditch. Through setting up left locating component and right locating component can reduce the probability that rammer hammer 14 rocked in the air, improve the precision that rammer hammer 14 dropped the hammer position.

Referring to fig. 1 and 2, in order to reduce the probability of deformation of the left and right positioning components, the left support frame 1 is provided with a left guide component 8 for assisting the piston rod of the first cylinder 4 to move, the left guide component 8 comprises a first guide rod 81, a second guide rod 82 and a left guide plate 83, the first guide rod 81, the second guide rod 82 and the left guide plate 83 are made of cast iron, the first guide rod 81 is arranged above the first cylinder 4, one side of the first guide rod 81 close to the left support frame 1 is welded with the left support frame 1, the second guide rod 82 is arranged below the first cylinder 4, one side of the second guide rod 82 close to the left support frame 1 is welded with the left support frame 1, the length direction of the first guide rod 81 and the second guide rod 82 is the same as the movement direction of the piston rod of the first cylinder 4, the left guide plate 83 is rectangular, the left guide plate 83 is welded with the piston rod of the first cylinder 4, a first guide hole and a second guide hole are formed in the left guide plate 83, the first guide hole is slidably connected with the first guide rod 81, and the second guide hole is slidably connected with the second guide rod 82. The right support frame 2 is provided with a right guide assembly 9 for assisting the piston rod of the second cylinder 6 to move, the right guide assembly 9 comprises a third guide rod 91, a fourth guide rod 92 and a right guide plate 93, the third guide rod 91, the fourth guide rod 92 and the right guide plate 93 are all made of cast iron materials, the third guide rod 91 is arranged above the second cylinder 6, one side of the third guide rod 91 close to the right support frame 2 is welded with the right support frame 2, the fourth guide rod 92 is arranged below the second cylinder 6, one side of the fourth guide rod 92 close to the right support frame 2 is welded with the right support frame 2, the length directions of the third guide rod 91 and the fourth guide rod 92 are the same as the moving direction of the piston rod of the second cylinder 6, the right guide plate 93 is cuboid, the right guide plate 93 is welded with the piston rod of the second cylinder 6, the right guide plate 93 is provided with a third guide hole and a third guide hole, the third guide hole is connected with the third guide rod 91 in a sliding manner, the fourth guide hole is slidably coupled to the fourth guide rod 92. The first guide rod 81, the second guide rod 82 and the left guide plate 83 assist the piston rod of the first cylinder 4 to move along the horizontal direction, the third guide rod 91, the fourth guide rod 92 and the right guide plate 93 assist the piston rod of the second cylinder 6 to move along the horizontal direction, the left guide assembly 8 and the right guide assembly 9 can reduce the possibility that the positioning assembly is bent, the accuracy of the supporting positions of the positioning assembly and the hammer ram 14 is improved, and the probability that the hammer ram 14 is deviated in the hammer ram falling position is reduced.

Referring to fig. 1 and 2, in order to reduce the probability of damage to the positioning assembly, a first cushion pad 10 is disposed on one side of the first support plate 5 facing the second support plate 7, the first cushion pad 10 is made of rubber, the first cushion pad 10 is detachably connected to the first support plate 5, in this embodiment, a first positioning block 15 is disposed on one side of the first cushion pad 10 facing the first support plate 5, the first positioning block 15 is made of rubber, the first positioning block 15 and the first cushion pad 10 are integrally formed, the cross-sectional shape of the first positioning block 15 is isosceles trapezoid, a position of an upper bottom of the isosceles trapezoid is on one side of the first cushion pad 10 close to the first positioning block 15, the first positioning block 15 is disposed along a vertical direction, the length direction of the first positioning block 15 is smaller than that of the first support plate, a first positioning groove 16 is disposed on one side of the first support plate 5 facing the first cushion pad 10, the first positioning groove 16 is disposed along the vertical direction, the cross section of the first positioning groove 16 is the same as that of the first positioning block 15, the length of the first positioning groove 16 is smaller than that of the first supporting plate 5, and the first positioning block 15 is elastically clamped with the first positioning groove 16; a second cushion pad 11 is arranged on one side of the second supporting plate 7 facing the first supporting plate 5, the second cushion pad 11 is made of rubber, the second cushion pad 11 is detachably connected with the second supporting plate 7, in this embodiment, a second positioning block 17 is arranged on one side of the second cushion pad 11 facing the second supporting plate 7, the second positioning block 17 is made of rubber, the second positioning block 17 and the second cushion pad 11 are integrally formed, the cross section of the second positioning block 17 is isosceles trapezoid, the side of the second positioning block 17 close to the second cushion pad 11 is the position of the upper bottom of the isosceles trapezoid, the second positioning block 17 is arranged along the vertical direction, the length direction of the second positioning block 17 is smaller than that of the second cushion pad, a second positioning groove 18 is arranged on one side of the second supporting plate 7 facing the second cushion pad 11, the second positioning groove 18 is arranged along the vertical direction, the cross section of the second positioning groove 18 is the same as that of the second positioning block 17, the length of the second positioning groove 18 is smaller than that of the second supporting plate 7, and the second positioning block 17 is elastically clamped with the second positioning groove 18. The first supporting plate 5 and the second supporting plate 7 are tightly abutted to the rammer hammer body 14 through the first cushion pad 10 and the second cushion pad 11, the probability of damage to a positioning assembly can be reduced, the time required for the rammer hammer body 14 to return to a static state is reduced, and the accuracy of the hammer falling position of the rammer hammer body 14 is improved.

The implementation principle of the embodiment 1 is as follows: the steel wire rope 13 raises the rammer hammer body 14 to the air, when the rammer hammer body 14 shakes, the piston rod of the first cylinder 4 pushes the first supporting plate 5 to move towards the second supporting plate 7, the piston rod of the second cylinder 6 pushes the second supporting plate 7 to move towards the first supporting plate 5, the rammer hammer body 14 is tightly abutted by the first buffering pad 10 and the second buffering pad 11, the rammer hammer body 14 stops shaking, the first supporting plate 5 is withdrawn by the first cylinder 4, the second supporting plate 7 is withdrawn by the second cylinder 6, the first supporting plate 5 and the second supporting plate 7 leave the surface of the rammer hammer body 14, the steel wire rope 13 is loosened, the rammer hammer body 14 falls down, and a foundation pit is tamped. The method and the device can reduce the amplitude of the hammer body 14 of the rammer which shakes in the air, and improve the precision of the hammer falling position of the hammer body 14 of the rammer.

Example 2

Referring to fig. 3, a positioning device of a dynamic compactor ram differs from embodiment 1 in that a first cushion pad 10 and a first support plate 5 are fixed by bolts, two first threaded holes 19 are formed in the side of the first support plate 5 close to the first cushion pad 10, a second cushion pad 11 and a second support plate 7 are fixed by bolts, and two second threaded holes 20 are formed in the side of the second support plate 7 close to the second cushion pad 11. When the first cushion pad 10 and the second cushion pad 11 need to be replaced, the bolts with the first screw holes 19 and the second screw holes 20 are unscrewed, and the new first cushion pad 10 and second cushion pad 11 are replaced, so that the convenience of replacing the first cushion pad 10 and the second cushion pad 11 is improved.

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

1. The utility model provides a positioner of dynamic compactor rammer which characterized in that: comprises a frame and a positioning component, wherein the frame comprises a left support frame (1), a right support frame (2) and a connecting frame (3), the left support frame (1) and the right support frame (2) are arranged oppositely and symmetrically, one end of the connecting frame (3) is connected with the left support frame (1), the other end of the connecting frame (3) is connected with the right supporting frame (2), the positioning assembly comprises a left positioning component and a right positioning component, the left positioning component comprises a first cylinder (4) and a first supporting plate (5), the shell of the first cylinder (4) is detachably connected with the left support frame (1), the piston rod of the first cylinder (4) faces towards the right supporting frame (2), the piston rod of the first cylinder (4) is connected with the first supporting plate (5), the right positioning component and the left positioning component are identical in structure and connection mode, and the right positioning component and the left positioning component are symmetrically arranged on the symmetry plane of the left support frame (1) and the symmetry plane of the right support frame (2).

2. The device for positioning the rammer of a dynamic compaction machine according to claim 1, wherein: the left support frame (1) is provided with a left guide assembly (8) for assisting the piston rod of the first cylinder (4) to move, and the right support frame (2) is provided with a right guide assembly (9) with the same structure as the left guide assembly (8).

3. The device for positioning the rammer of a dynamic compaction machine according to claim 2, wherein: left side direction subassembly (8) include first guide bar (81), second guide bar (82) and left deflector (83), first guide bar (81) and second guide bar (82) set up in the both sides of first cylinder (4), the axis direction of first guide bar (81) and second guide bar (82) is the same with first cylinder (4) piston rod direction of motion, piston rod fixed connection of left side deflector (83) and first cylinder (4), first guiding hole and second guiding hole have been seted up on left side deflector (83), first guiding hole and first guide bar (81) sliding connection, second guiding hole and second guide bar (82) sliding connection.

4. The device for positioning the rammer of a dynamic compaction machine according to claim 1, wherein: the first supporting plate (5) is an arc-shaped plate, the concave surface of the first supporting plate (5) is used for being attached to the surface of the hammer body (14) of the rammer, and the right positioning component comprises a second supporting plate (7) which is the same as the first supporting plate (5) in shape and structure.

5. The device for positioning the rammer of a dynamic compaction machine according to claim 4, wherein: one side of the first supporting plate (5) facing the second supporting plate (7) is provided with a first cushion pad (10), and one side of the second supporting plate (7) facing the first supporting plate (5) is provided with a second cushion pad (11).

6. The device for positioning the rammer of a dynamic compaction machine according to claim 5, wherein: the first cushion pad (10) is detachably connected with the first supporting plate (5), and the second cushion pad (11) is detachably connected with the second supporting plate (7).

7. The device for positioning the rammer of a dynamic compaction machine according to claim 6, wherein: first blotter (10) are provided with first constant head tank (15) towards first layer board (5) one side, first layer board (5) are provided with first constant head tank (16) towards first blotter (10) one side, first constant head tank (15) and first constant head tank (16) elastic clamping, second blotter (11) are provided with second locating piece (17) the same with first constant head tank (15) structure, second layer board (7) are provided with second constant head tank (18) the same with first constant head tank (16), second locating piece (17) and second constant head tank (18) elastic clamping.

8. The device for positioning the rammer of a dynamic compaction machine according to claim 6, wherein: the first support plate (5) is provided with a plurality of first threaded holes (19) on one side close to the first cushion pad (10), the first cushion pad (10) and the first support plate (5) are fixed through bolts, the second support plate (7) is provided with a plurality of second threaded holes (20) on one side close to the second cushion pad (11), and the second cushion pad (11) and the second support plate (7) are fixed through bolts.