CN219157625U - Quick lifting device for rammer in hydraulic rammer - Google Patents

Abstract

The utility model discloses a quick lifting device for a rammer in hydraulic ramming machinery, which belongs to the technical field of hydraulic machinery and comprises a frame, wherein a drop height adjusting trigger assembly is arranged at the side edge of the frame, and an electric hydraulic rod is arranged at the top of the frame in a penetrating manner. This ram quick hoisting device in hydraulic pressure ramming machinery through setting up motor, first gear, drive assembly and T shaped plate, when compacting ground, then promote the ram by the electronic hydraulic stem and highly, the motor is controlled again and first gear and drive assembly are rotatory for the horizontal limit of T shaped plate corresponds with the rectangle through-hole of screens mouth, and the gravity of ram can down continue to drop this moment, then can tamp the processing to ground downwards, can separate electronic hydraulic stem and ram when tamping ground in this way, then can avoid the impact to electronic hydraulic stem, can effectively improve the ramming effect simultaneously, avoid causing the waste of energy.

Description

Quick lifting device for rammer in hydraulic rammer

Technical Field

The utility model belongs to the technical field of hydraulic machinery, and particularly relates to a quick lifting device for a rammer in hydraulic ramming machinery.

Background

The hydraulic quick tamping method is an emerging reinforcement method, is suitable for treating foundations such as broken stone filled soil, miscellaneous filled soil, plain filled soil, sand soil, silt soil and the like, and low-saturation cohesive soil, non-self-weight collapsible loess and the like, and can be used for shallow treatment of building foundations, deep foundation pit fertilizer tanks and indoor filled soil tamping treatment, and engineering such as shallow tamping reinforcement of airports, ports, railways and highway foundations.

With the increasing of foundation treatment engineering projects, the hydraulic rapid tamping is frequently used as an emerging reinforcement method, so that the advantages of simple equipment, convenient construction, obvious effect, quality control, wide application range, short construction period and good economic feasibility of the traditional dynamic tamping method are maintained, the disadvantages of noise influence, safety coefficient and maneuverability on the surrounding environment are overcome, and the hydraulic rapid tamping method is well-appreciated by the industry interior and constructors.

The working principle of the hydraulic high-speed tamper is as follows: the hydraulic pump is used for lifting the rammer to a certain height and then releasing the rammer freely, the rammer is accelerated to fall under the combined action of gravity and the hydraulic accumulator, the rammer is hit to the static pressure on the ground and the rammer foot with the buffer pad is hit after the rammer hammer falls, and then the rammer foot is used for ramming the ground.

Because the connection mode between the oil cylinder and the rammer is hard connection, the piston of the hydraulic cylinder also needs to move rapidly in the descending process of the rammer, and the hydraulic accumulator is used for realizing the rapid action, so that the hydraulic system has a complex structure, on the other hand, the oil seal is damaged and accelerated due to the rapid movement of the hydraulic cylinder, and leakage faults are extremely easy to occur; in addition, the compaction force is reversely transferred to the hydraulic cylinder in the compaction operation, the hydraulic cylinder can bear larger rebound force, the technical means adopted by the hydraulic compactor aiming at the problems in the prior art is to add a buffer device between the ram and the ram so as to reduce the impact on the ram, the impact on the ram by the ram can be reduced, but the impact on the ram by the ram is greatly reduced, the compaction effect is poor, the energy waste is large, meanwhile, the falling height of the ram is the key for influencing the reinforcement quality and depth, and the device in the prior art is difficult to quickly and accurately regulate according to different practical conditions, so that the research on a novel hydraulic compactor quick lifting device is of great significance in solving the problems.

Disclosure of Invention

In order to overcome the defects, the utility model provides the quick lifting device for the rammer in the hydraulic rammer, which solves the problems that in the prior art, when the quick lifting device for the rammer is in actual use, the oil seal is damaged and quickened due to the quick movement of the hydraulic cylinder, so that leakage faults are extremely easy to occur; in addition, the tamping force is reversely transferred to the hydraulic cylinder in the tamping operation, the hydraulic cylinder can bear larger resilience force, and meanwhile, the falling height of the tamping hammer is a key for influencing the reinforcing quality and the depth, so that the device in the prior art is difficult to quickly and effectively and accurately adjust according to different actual conditions.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a ram quick hoisting device in hydraulic tamping machinery, includes the frame, the side position of frame is installed and is fallen the high regulation trigger assembly of hammer, the top of frame is run through and is installed electronic hydraulic stem, fixed connection between the flexible end downwardly extending of electronic hydraulic stem and the fixed plate, motor and drive assembly are installed to the below of fixed plate, drive assembly and first gear engagement, fixed connection between the output shaft of first gear and motor, the below of drive assembly and the top fixed connection of T shaped plate, the horizontal draw-in limit of T shaped plate is built-in the screens mouth, the screens mouth is seted up on the mount pad, fixed connection between mount pad and the ram, and the below of screens mouth is cylindrical cavity, and the top is the rectangle opening.

As a further aspect of the utility model: the rammer is arranged in the frame, and a plurality of balls which are longitudinally arranged are fixedly connected to four diagonal edges of the rammer.

As a further aspect of the utility model: the transmission assembly comprises a rotating shaft, the rotating shaft is rotationally connected in a bearing, and the bearing is fixedly arranged below the fixing plate.

As a further aspect of the utility model: the bottom fixedly connected with second gear of pivot, meshing connection between second gear and the first gear, fixed connection between the below of second gear and the T shaped plate.

As a further aspect of the utility model: the drop hammer height adjusting trigger assembly comprises a graduated scale, two ends of the graduated scale are fixedly connected to the side wall of the frame, an adjusting sleeve is sleeved on the graduated scale in a sliding mode, and the adjusting sleeve is locked on the graduated scale through a fixed bolt.

As a further aspect of the utility model: the adjusting sleeve is far away from the switch fixedly installed below the extension plate of the fixing bolt, and the switch corresponds to the position of the contact block above the fixing plate.

Compared with the prior art, the utility model has the beneficial effects that:

1. this ram quick hoisting device in hydraulic pressure ramming machinery through setting up motor, first gear, drive assembly and T shaped plate, when compacting ground, then promote the ram by the electronic hydraulic stem and highly, the motor is controlled again and first gear and drive assembly are rotatory for the horizontal limit of T shaped plate corresponds with the rectangle through-hole of screens mouth, and the gravity of ram can down continue to drop this moment, then can tamp the processing to ground downwards, can separate electronic hydraulic stem and ram when tamping ground in this way, then can avoid the impact to electronic hydraulic stem, can effectively improve the ramming effect simultaneously, avoid causing the waste of energy.

2. This ram quick hoisting device in hydraulic pressure ramming machinery, through setting up the trigger subassembly of falling weight altitude mixture control, then the guiding effect of scale for the upper and lower position of adjusting collar can be adjusted smoothly, and can accurately learn the height-adjusting through the sign on the scale, with this when electric hydraulic rod drives the fixed plate upwards and produces the extrusion with the switch, but automatic control motor operation, and then the rammer operation, and adopt this mode can be effectual regulation ram height and rammer frequency, guaranteed its accuracy and the high efficiency of ramming.

3. According to the quick lifting device for the rammer in the hydraulic rammer, the balls are arranged and are in diagonal contact with the inner cavity of the frame, the balls can replace the contact of the rammer and the frame, the balls have good rolling property, the contact area between the balls and the frame can be reduced, the falling speed of the rammer can be improved, the rammer can be guided, and the stability of the up-and-down movement of the rammer is guaranteed.

Drawings

Fig. 1 is a schematic view of a three-dimensional structure of the present utility model.

Fig. 2 is a schematic perspective view of the ram of the present utility model.

Fig. 3 is a schematic cross-sectional view of a perspective view of a rammer of the present utility model.

Fig. 4 is a schematic perspective view of a transmission assembly according to the present utility model.

Fig. 5 is a schematic view of a three-dimensional structure of the scale of the present utility model.

In the figure: 1 frame, 2 electronic hydraulic stem, 3 drop height adjustment trigger assembly, 31 scale, 32 adjustment cover, 33 fixing bolt, 34 switch, 4 ram, 5 fixed plate, 6 drive assembly, 61 bearing, 62 pivot, 63 second gear, 7 mount pad, 8 screens mouth, 9T shaped plate, 10 first gear, 11 motors.

Detailed Description

The technical scheme of the patent is further described in detail below with reference to the specific embodiments.

As shown in fig. 1-5, the present utility model provides a technical solution: the utility model provides a ram quick hoisting device in hydraulic ramming machinery, including frame 1, the side position of frame 1 installs and falls the high regulation trigger subassembly 3 of hammer, fall the high regulation trigger subassembly 3 of hammer and include scale 31, the both ends fixed connection of scale 31 is on the lateral wall of frame 1, the slip cover is equipped with adjusting sleeve 32 on the scale 31, and adjusting sleeve 32 passes through fixing bolt 33 locking on scale 31, the below fixed mounting who keeps away from the extension board of fixing bolt 33 of adjusting sleeve 32 has switch 34, switch 34 corresponds with the touch block position above the fixed plate 5, the guiding effect of scale 31, make the upper and lower position of adjusting sleeve 32 can be adjusted smoothly, and can learn the regulation height accurately through the sign on the scale 31, so when electric hydraulic stem 2 drives fixed plate 5 upwards and switch 34 and produce the extrusion, but automatic control motor 11 moves, and then take off the hammer operation, and the mode can be effectual adjusting ram 4 high and ram 4 times, the accuracy and the high efficiency of its bolt is kept away from to the fixed 33 can be with the fixed position of adjusting sleeve 32 of adjusting that falls down, the problem of adjusting sleeve 32 is avoided.

The top of frame 1 runs through and installs electronic hydraulic stem 2, and fixed connection between the flexible end downwardly extending of electronic hydraulic stem 2 and the fixed plate 5, electronic hydraulic stem 2 can be through shrink control fixed plate 5 and drive assembly 6 upward movement, then can drive mount pad 7 and ram 4 upward movement through the block between T shaped plate 9 and the screens mouth 8, the height of ram 4 is promoted fast to the convenience.

The motor 11 and the transmission assembly 6 are installed below the fixed plate 5, the transmission assembly 6 is meshed with the first gear 10, the transmission assembly 6 comprises a rotating shaft 62, the rotating shaft 62 is rotatably connected in a bearing 61, the bearing 61 is fixedly installed below the fixed plate 5, the bearing 61 can be connected and supported by the rotating shaft 62, and the rotating shaft 62 can perform stable rotating motion in the bearing 61.

The bottom fixedly connected with second gear 63 of pivot 62, the meshing is connected between second gear 63 and the first gear 10, fixed connection between the below of second gear 63 and T shaped plate 9, fixed connection between the output shaft of first gear 10 and motor 11, motor 11 drive first gear 10 is rotatory, then first gear 10 and the meshing transmission of second gear 63 drive T shaped plate 9 rotatory, make the horizontal limit of T shaped plate 9 can correspond with the rectangle through-hole of screens mouth 8, and then can separate the purpose of rammer 4, make rammer 4 to the ground can be tamped the operation downwards.

The top fixed connection of drive assembly 6 below and T shaped plate 9, the horizontal draw-in limit of T shaped plate 9 is built-in screens mouth 8, screens mouth 8 is offered on mount pad 7, fixed connection between mount pad 7 and the ram 4, ram 4 is built-in frame 1, the equal fixedly connected with of four diagonal edges of ram 4 is a plurality of balls of vertical range, and the ball contacts with the diagonal of frame 1 inner chamber, and can replace ram 4 and frame 1 contact, and the ball has good rolling property, and then can reduce the area of contact with frame 1, make ram 4's whereabouts speed can obtain promoting, and can lead ram 4, guarantee ram 4 up-and-down motion's stationarity.

And the below of screens mouth 8 is cylindrical cavity, and the top is the rectangle opening, and the rectangle opening of screens mouth 8 top can ensure the passing through of the horizontal limit of T shaped plate 9, simultaneously through the cylindrical inner chamber of below for T shaped plate 9 can rotate the slip, and then makes T shaped plate 9 and rectangle opening form the cross structure, reaches the purpose of mutual block.

The working principle of the utility model is as follows:

when the ground rammer is used for tamping, firstly, the adjusting sleeve 32 is controlled to move up and down on scales, the proper height is adjusted according to the marks on the graduated scale 31, the fixing bolt 33 is rotated to lock the adjusting sleeve 32 on the graduated scale 31, then the electric hydraulic rod 2 is controlled to move upwards, the electric hydraulic rod 2 drives the transmission assembly 6 and the T-shaped plate 9 to move upwards through the fixing plate 5, and the T-shaped plate 9 and the clamping opening 8 are clamped to rapidly lift the height of the rammer 4 through the mounting seat 7.

When contact between the contact block on the fixed plate 5 and the switch 34 produces extrusion, the switch 34 controls the motor 11 to run at the moment, so that the motor 11 drives the second gear 63 to rotate through the first gear 10, the second gear 63 drives the T-shaped plate 9 to rotate, the transverse edge of the T-shaped plate 9 corresponds to the rectangular through hole of the clamping hole 8, the free falling body movement of the rammer 4 can downwards tamp the ground, the electric hydraulic rod 2 can be controlled to stretch when tamping for multiple times, the T-shaped plate 9 corresponds to the rectangular through hole of the clamping hole 8, the motor 11 is controlled to reversely rotate, and the cylindrical cavity of the T-shaped plate 9 and the clamping hole 8 can be clamped to upwards lift the rammer 4 again for next tamping operation.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art in a specific case.

While the preferred embodiments of the present patent have been described in detail, the present patent is not limited to the above embodiments, and various changes may be made without departing from the spirit of the present patent within the knowledge of one of ordinary skill in the art.

Claims (6)

1. The utility model provides a ram quick lifting device in hydraulic ramming machinery, includes frame (1), its characterized in that: the side edge position of the frame (1) is provided with a drop hammer height adjusting trigger component (3), the top of the frame (1) is provided with an electric hydraulic rod (2) in a penetrating way, the telescopic end of the electric hydraulic rod (2) extends downwards to be fixedly connected with a fixed plate (5), the lower part of the fixed plate (5) is provided with a motor (11) and a transmission component (6), the transmission component (6) is meshed with a first gear (10), the novel rammer is characterized in that the first gear (10) is fixedly connected with an output shaft of the motor (11), the lower part of the transmission assembly (6) is fixedly connected with the top of the T-shaped plate (9), the transverse clamping edge of the T-shaped plate (9) is arranged in the clamping opening (8), the clamping opening (8) is formed in the mounting seat (7), the mounting seat (7) is fixedly connected with the rammer (4), the lower part of the clamping opening (8) is a cylindrical cavity, and the upper part of the clamping opening is a rectangular through opening.

2. The ram rapid lifting device in a hydraulic compaction machine according to claim 1, wherein: the rammer (4) is arranged in the frame (1), and a plurality of balls which are longitudinally arranged are fixedly connected to four diagonal edges of the rammer (4).

3. The ram rapid lifting device in a hydraulic compaction machine according to claim 1, wherein: the transmission assembly (6) comprises a rotating shaft (62), the rotating shaft (62) is rotatably connected in a bearing (61), and the bearing (61) is fixedly arranged below the fixed plate (5).

4. A ram rapid lifting device in a hydraulic compaction machine according to claim 3, wherein: the bottom of pivot (62) fixedly connected with second gear (63), meshing connection between second gear (63) and first gear (10), fixed connection between the below of second gear (63) and T shaped plate (9).

5. The ram rapid lifting device in a hydraulic compaction machine according to claim 1, wherein: the drop hammer height adjusting trigger assembly (3) comprises a graduated scale (31), two ends of the graduated scale (31) are fixedly connected to the side wall of the frame (1), an adjusting sleeve (32) is sleeved on the graduated scale (31) in a sliding mode, and the adjusting sleeve (32) is locked on the graduated scale (31) through a fixing bolt (33).

6. The quick ram lifting device in a hydraulic compaction machine according to claim 5, wherein: the switch (34) is fixedly arranged below the extension plate, far away from the fixing bolt (33), of the adjusting sleeve (32), and the switch (34) corresponds to the position of the contact block above the fixing plate (5).

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