Pile foundation surrounding soil tamping device for flat plate vibrating tamper

Abstract

The utility model relates to the technical field of roadbed tamping, in particular to a tamping device for soil around a pile foundation for a flat plate vibratory tamper. The device comprises a sleeve used for being arranged on a pile foundation in a sleeving mode and a tamping plate fixedly connected to the lower end of the sleeve, and a through hole corresponding to the sleeve is formed in the tamping plate; the upper end of the sleeve is provided with a locking mechanism used for being connected with the flat plate vibrating tamper. According to the device, rolling and tamping blind areas on the ground around the pile foundation can be avoided, and the overall compacting quality of the ground around the pile foundation is guaranteed. According to the device, a rolling compaction blind area on the ground around the pile foundation can be avoided, and the overall compaction quality of the ground around the pile foundation is guaranteed; the device can be suitable for different types of flat vibrating tampers; the device can be adjusted according to the height of a pile foundation; the device can be suitable for pile foundations with different diameters.

Description

TECHNICAL FIELD

[0001] The utility model relates to roadbed ramming technical field, concretely is a pile foundation surrounding soil ramming device for flat vibration tamper. BACKGROUND

[0002] In the railway subgrade soft foundation construction, after the pile foundation is driven into the railway subgrade, the ground around the pile foundation needs to be rammed, most of which adopts a small road roller and an excavator accessory flat vibration tamper, in order to ensure the integrity of the pile head, and the flat vibration tamper is a square structure, the ground around the pile foundation often appears a rolling and ramming blind area, so that the overall compaction quality of the ground around the pile foundation cannot be ensured, and there is a quality hidden danger. UTILITY MODEL CONTENTS

[0003] In order to solve the above problems of the prior art, the utility model provides a pile foundation surrounding soil ramming device for flat vibration tamper, which can avoid the rolling and ramming blind area of the ground around the pile foundation and ensure the overall compaction quality of the ground around the pile foundation.

[0004] To achieve the above object, the utility model provides the following technical scheme: a pile foundation surrounding soil ramming device for flat vibration tamper, which comprises a sleeve for being sleeved on the pile foundation, a ramming plate fixedly connected to the lower end of the sleeve, and a through hole corresponding to the sleeve is formed in the ramming plate; and a locking mechanism for connecting the flat vibration tamper is arranged at the upper end of the sleeve.

[0005] After the sleeve is sleeved on the upper end of the pile foundation, the flat vibration tamper can run together with the device, and the ramming plate can compact the ground around the pile foundation.

[0006] Preferably, the locking mechanism comprises a locking plate fixedly connected to the upper end of the sleeve, extension plates fixedly connected to the locking plate in symmetry, a clamping plate slidingly connected to the extension plates, and a positioning assembly for fixing the clamping plate, wherein the clamping plate is L-shaped.

[0007] The above structure design can install the device on the flat vibration tamper, and can be suitable for different models of flat vibration tamper within a certain range.

[0008] Preferably, the positioning assembly comprises an internal thread cylinder fixedly connected to the tail end of the extension plate, and a positioning bolt threaded into the internal thread cylinder.

[0009] When the clamping plate clamps the edge of the flat vibration tamper, the positioning bolt is rotated, and the tail end of the positioning bolt abuts against the clamping plate, so that the clamping plate can be fixed, and the structure is simple and convenient to operate.

[0010] Preferably, the lower surface of the locking plate is fixedly connected with an elongated cylinder, and the upper end of the sleeve is connected with the elongated cylinder through threads.

[0011] With the above structural design, the height of the pile head is not unique, and the sleeve can be adjusted according to the height of the pile head to improve the applicability of this device.

[0012] Preferably, one or more perforated holes are formed on the circumferential wall of the sleeve.

[0013] The above structural design reduces the friction between the sleeve and the pile foundation.

[0014] Preferably, a reinforcing plate is fixedly connected to the compacting plate, the reinforcing plate being triangular, and the side of the reinforcing plate being fixedly connected to the sleeve.

[0015] By adopting the above structural design, the support between the sleeve and the tamping plate is increased, preventing the tamping plate from tilting upwards after repeated use.

[0016] Preferably, the compaction plate is provided with an annular variable diameter plate, and multiple locking cylinders are fixedly connected to the compaction plate. Fixed cylinders corresponding to the locking cylinders are fixedly connected to the variable diameter plate. Fixed bolts are passed through the locking cylinders, and the fixed bolts pass through the sleeves. The fixed bolts are threaded through the fixed cylinders.

[0017] With the above structural design, the diameter of the pile foundation may not be the same for different construction projects, making this device applicable to pile foundations of other diameters.

[0018] Compared with the prior art, the beneficial effects of this utility model are:

[0019] 1) This device can avoid the blind spots of compaction around the pile foundation, and ensure the overall compaction quality of the ground around the pile foundation.

[0020] 2) This device is applicable to different models of plate vibratory compactors.

[0021] 3) This device can be adjusted according to the height of the pile foundation.

[0022] 4) This device is applicable to pile foundations of different diameters. Attached Figure Description

[0023] Figure 1 This is a schematic diagram of the structure of this utility model;

[0024] Figure 2 This is a structural schematic diagram of the sleeve and tamping plate of this utility model;

[0025] Figure 3 This is a front view structural diagram of the present invention;

[0026] Figure 4 This is a top view of the structure of the sleeve and tamping plate of this utility model.

[0027] Figure 5 The utility model discloses a structure diagram of reducing plate. DETAILED DESCRIPTION

[0028] Please refer to Figure 1 、 Figure 2 、 Figure 3 、 Figure 4 、 Figure 5 The utility model provides a kind of technical scheme: a pile foundation surrounding soil rammer for flat plate vibration rammer, including sleeve 1 for being set on pile foundation, rammering plate 2 being fixedly connected in the lower end of sleeve 1, the through hole corresponding with sleeve 1 is set on the rammering plate 2;The upper end of sleeve 1 is provided for connecting the locking mechanism of flat plate vibration rammer.

[0029] As another embodiment of the present device, sleeve 1 can be directly welded on flat plate vibration rammer 9, with this structure, structure is relatively simple, cost is low, can greatly reduce production cost.

[0030] The locking mechanism includes locking plate 3 being fixedly connected on the upper end of sleeve 1, extension plate 31 being fixedly connected on locking plate 3 symmetrically, clamping plate 32 being slidably connected on extension plate 31, positioning assembly for fixing clamping plate 32, clamping plate 32 is L-shaped.

[0031] In the embodiment, locking plate 3 is square structure, extension plate 31 is provided with four groups and is symmetrically arranged on the two sides of locking plate 3, the lower end of clamping plate 32 is fixedly connected with inverted T-shaped sliding block, sliding groove matching with sliding block is set on extension plate 31.

[0032] The positioning assembly includes inner thread cylinder 41 being fixedly connected on the tail end of extension plate 31, positioning bolt 42 being threaded in inner thread cylinder 41.

[0033] The lower surface of locking plate 3 is fixedly connected with lengthening cylinder 5, and the upper end of sleeve 1 is connected with lengthening cylinder 5 by thread.

[0034] One or more hollow holes 11 are set on the circumference wall of sleeve 1.

[0035] The rammering plate 2 is fixedly connected with reinforcing plate 21, the reinforcing plate 21 is triangular, and the side of reinforcing plate 21 is fixedly connected with sleeve 1.

[0036] The tamper plate 2 is provided with a circular annular variable-diameter plate 6, in order to be applicable to pile foundations with different diameters, the variable-diameter plate 6 can be provided with multiple variable-diameter plates, the diameters of the inner circles of the variable-diameter plates are all different, the lower surface of the variable-diameter plate 6 is flush with the lower surface of the tamper plate 2, a plurality of locking barrels 61 are fixedly connected to the tamper plate 2, a fixed barrel 62 corresponding to the locking barrel 61 is fixedly connected to the variable-diameter plate 6, a fixed bolt 63 is arranged through the locking barrel 61, the fixed bolt 63 passes through the sleeve 1, and the fixed bolt 63 is arranged on the fixed barrel 62 in a threaded manner.

[0037] The inner sleeve 65 is fixedly connected to the inner circular hole of the variable-diameter plate 6, and the inner sleeve 65 is fixedly connected to a triangular inner support plate 66 at an included angle with the variable-diameter plate 6.

[0038] Working principle: when the device is used, if the diameter of the pile foundation is small, the variable-diameter plate 6 is installed on the tamper plate 2, the fixed bolt 63 is used to pass through the locking barrel 61 and the sleeve 1, and then the fixed bolt 63 is installed on the fixed barrel 62, then the sleeve 1 is sleeved on the pile foundation, the flat-plate vibrating ram 9 runs together with the device, and the ground around the pile foundation is compacted.

[0039] The structures, proportions, sizes and the like shown in the drawings of the specification are only used to cooperate with the content disclosed in the specification, to enable a person skilled in the art to understand and read, and do not define the limiting conditions that can be implemented by the utility model, so they do not have substantial technical significance, any modification of the structure, change of the proportional relationship or adjustment of the size, without affecting the effects that can be generated by the utility model and the purposes that can be achieved, should still fall within the scope of the technical content disclosed by the utility model. Meanwhile, the terms such as "upper", "lower", "left", "right", "middle" and "one" in the specification are only for the convenience of clear description, and are not used to limit the range that can be implemented by the utility model, the change or adjustment of the relative relationship, without substantially changing the technical content, is also regarded as the scope that can be implemented by the utility model.

[0040] The utility model is described above with reference to the preferred embodiments, but the protection scope of the utility model is not limited thereto, and all the technical solutions falling within the scope of claims are within the protection scope of the utility model. Various improvements can be made to the utility model and equivalent components can be substituted for the components thereof without departing from the scope of the utility model. In particular, as long as there is no structural conflict, each technical feature mentioned in each embodiment can be combined in any manner.

Claims

1. A pile foundation soil compaction device for a flat vibration rammer, characterized by: The utility model provides a sleeve (1) for setting on pile foundation, ramming plate (2) fixedly connected in the lower end of sleeve (1), the through -hole corresponding with sleeve (1) is set up on ramming plate (2);The upper end of sleeve (1) is provided with the locking mechanism for connecting flat plate vibration rammer;The locking mechanism includes locking plate (3) fixedly connected on the upper end of sleeve (1), extension plate (31) fixedly connected on the symmetry of locking plate (3), clamping plate (32) slidingly connected on extension plate (31), the positioning assembly for fixing clamping plate (32), clamping plate (32) is L-shaped;The positioning assembly includes inner thread cylinder (41) fixedly connected on the tail end of extension plate (31), positioning bolt (42) threadedly passed in inner thread cylinder (41).

2. A pile-soil compaction device for a vibratory tamper according to claim 1, wherein: The lower surface of locking plate (3) is fixedly connected with lengthening cylinder (5), and the upper end of sleeve (1) is connected with lengthening cylinder (5) through thread.

3. A pile-soil compactor for a vibratory tamper as claimed in claim 1, wherein: One or more hollow holes (11) are formed on the circumferential wall of sleeve (1).

4. A pile-soil compactor for a vibratory tamper as claimed in claim 1, wherein: The ramming plate (2) is fixedly connected with a reinforcing plate (21), the reinforcing plate (21) is triangular, and the side of the reinforcing plate (21) is fixedly connected with the sleeve (1).

5. A pile-soil compaction device for a vibratory tamper according to any one of claims 1 to 4, wherein: The ramming plate (2) is provided with a circular variable-diameter plate (6), a plurality of locking cylinders (61) are fixedly connected to the ramming plate (2), a fixed cylinder (62) corresponding to the locking cylinder (61) is fixedly connected to the variable-diameter plate (6), a fixed bolt (63) is passed through the locking cylinder (61), the fixed bolt (63) passes through the sleeve (1), and the fixed bolt (63) is threadedly arranged on the fixed cylinder (62).

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