A ramming device for backfilling soil of a lime-soil compaction pile

Abstract

The utility model provides a kind of rammer compactor for rammer compactor construction pile body backfill soil, belong to rammer compactor technical field, it is mainly aimed at the error that the hammering angle of existing rammer compactor is easy to produce and the rammer compactor is easy to be adhered to the rammer compactor and the problem that hole wall friction is easy to tilt when rammer compactor falls, the following technical scheme is proposed, the top of base is provided with guide frame and inclination sensor, guide frame movably is provided with rammer compactor, base periphery is provided with multiple groups of mounting seat and hydraulic jack, the top of base is provided with reel and reel frame, reel frame both sides are provided with fixed frame, two groups of fixed frame one side are provided with electric telescopic rod and friction plate, reel frame one end is provided with coupling and motor, motor bottom is provided with electric sliding table and slide rail, inclination sensor is assisted user to adjust four groups of hydraulic jack so that device whole is in horizontal, rammer compactor is scraped by scraping ring when rammer compactor is retracted, rammer compactor side wall's ash soil is scraped, prevent ash soil solidification in rammer compactor side wall influence subsequent construction.

Description

Technical Field

[0001] This utility model relates to the field of compaction device technology, and more specifically, to a compaction device for backfill soil in the construction of lime-soil compaction piles. Background Technology

[0002] In road and building foundation reinforcement projects, lime-soil compaction piles are a widely used foundation treatment technology, especially suitable for treating soft soil layers such as collapsible loess. This process usually involves first drilling holes, then backfilling the holes with a uniformly mixed lime-soil mixture in layers, and finally using a heavy hammer to perform strong and continuous compaction operations on the backfilled lime-soil. The purpose is to improve the strength, density, and stability of the lime-soil in the pile body through compression and compaction, forming a composite foundation with strong bearing capacity. Currently, the compaction of the backfill soil in lime-soil compaction piles mainly relies on equipment such as winches to lift and release the compaction hammer. Although this compaction method is simple in principle, in actual construction, the problems mainly focus on two aspects: it is difficult to ensure the verticality of the hammer impact angle and the instability of the falling path caused by the adhering lime-soil on the surface of the compaction hammer.

[0003] On the one hand, minor unevenness of the ground surface can cause a slight but not negligible overall tilt of the base and even the upper guide structure of the entire compaction device. On this unstable basis, when the heavy hammer is lifted to the predetermined height by the wire rope and is suspended and ready to be released, the potential tilt angle of the equipment itself will be directly transmitted to the lifting mechanism and the hammer itself. In addition, the inevitable elastic deformation and swing of the wire rope during the lifting and suspension process, the operator's viewing angle deviation or wind disturbance, etc., make it difficult for the hammer to always maintain the ideal suspension posture directly above the center of the hole. When it is finally released and falls, its initial path often has a non-vertical deviation angle.

[0004] On the other hand, the lime-soil mixture has a certain degree of cohesion, especially when it is in a water-containing state. When subjected to repeated high-intensity impact and compression by the tamping hammer, a large amount of lime and soil will adhere to the bottom and even the side surface of the tamping hammer. If it is not cleaned thoroughly in time during construction, when the tamping hammer falls again, the side with the adhering lime and soil is very likely to come into contact and rub against the hole wall. This side friction not only consumes additional impact energy, but the strong lateral friction force will also generate a significant torsional moment on the falling tamping hammer, interfering with its free fall motion, causing the tamping hammer to shake or tilt in the hole, thereby further amplifying the aforementioned hammering angle deviation, and even causing the tamping hammer to get stuck in the hole.

[0005] Therefore, traditional compaction devices need improvement in terms of ground leveling and cleaning of soil and dust from the compaction hammer. Utility Model Content

[0006] To address the aforementioned technical problems, this utility model provides a compaction device for backfill soil in the construction of lime-soil compaction piles. This device solves the technical problems in the prior art, such as the hammer angle of traditional compaction devices being prone to errors and the lime-soil adhering to the compaction hammer easily rubbing against the hole wall, causing the compaction hammer to tilt during its fall.

[0007] The purpose and effect of this utility model's compaction device for backfill soil in the construction of lime-soil compaction piles are achieved by the following specific technical means:

[0008] A compaction device for backfill soil in the construction of lime-soil compaction piles includes: a base, a guide frame and a compaction hammer. The guide frame is provided on the top of the base, and the compaction hammer is movably mounted on the guide frame. Multiple sets of mounting seats and hydraulic jacks are provided around the base, and an angle sensor is also provided on the top of the base.

[0009] The base is equipped with a roller and roller frame at the top. The roller frame is equipped with a fixing frame on both sides. Each of the two sets of fixing frames is equipped with an electric telescopic rod and a friction plate on the opposite side. The roller frame is equipped with a coupling and a motor at one end. The motor is equipped with an electric slide table and a slide rail at the bottom.

[0010] According to a preferred embodiment, the top of the guide frame is connected to a mounting bracket by screws, the top of the mounting bracket is detachably connected to a guide wheel, a positioning wheel is provided inside the guide frame near the guide wheel, the winding wheel is rotatably connected to the winding wheel frame, and a steel wire rope is wound on the winding wheel.

[0011] According to a preferred embodiment, a connecting block is welded to the top of the tamping hammer, one end of the wire rope is connected to the connecting block, grooves are provided on both the positioning wheel and the guide wheel, and the middle section of the wire rope is in contact with both the positioning wheel and the guide wheel.

[0012] According to a preferred embodiment, the slide rail is fixedly connected to the top of the base, the electric slide table is mounted on the slide rail, the electric slide table can slide on the slide rail, the motor is mounted on the top of the electric slide table, a coupling is connected to the main shaft of the motor, and one end of the coupling is connected to the reel.

[0013] According to a preferred embodiment, each of the two sets of fixing frames is provided with a mounting platform on one side opposite to the other, and each of the two sets of mounting platforms is equipped with an electric telescopic rod at one end, and each of the two sets of electric telescopic rods is connected to a friction plate at one end.

[0014] According to a preferred embodiment, the two sides of the roller are respectively in contact with two sets of friction plates.

[0015] According to a preferred embodiment, a tapered groove is provided at the bottom of the guide frame, and a scraper ring is installed in the tapered groove.

[0016] According to a preferred embodiment, multiple sets of mounting seats are fixedly connected to the periphery of the base, and the hydraulic push rod is installed in each set of mounting seats. The tilt sensor is fixedly connected to the top of the base.

[0017] Based on the above aspects, the embodiments of this application achieve the following:

[0018] The device is supported by four sets of hydraulic jacks. Users can determine whether the device is level by using an inclination sensor. If the device is not level, the four sets of hydraulic jacks can be finely adjusted to make the device level, ensuring that the initial angle of the subsequent tamping hammer is perpendicular to the bottom of the pile hole, thus improving the success rate of construction.

[0019] After the user lifts the wire rope and tamping hammer into the guide frame using a motor and reel, two sets of electric telescopic rods are used to press the friction plates against both sides of the reel to prevent it from rotating. Then, the electric slide table slides backward, disengaging the motor and coupling from the reel. The two sets of electric telescopic rods then retract, the friction plates disengage from the reel, and the reel releases the wire rope. The tamping hammer, under its own weight, falls and compacts the soil in the pile hole. When the tamping hammer is pulled back, it passes through a conical groove and a scraper ring. The scraper ring removes the soil adhering to the side wall of the tamping hammer, preventing it from solidifying. During the next fall, the soil on the side wall rubs against the inner wall of the pile hole, causing the tamping hammer to tilt and affecting the construction effect. Attached Figure Description

[0020] Figure 1 This is a structural schematic diagram of a soil compaction device for backfilling the pile body during the construction of a lime-soil compaction pile, provided in an embodiment of this utility model.

[0021] Figure 2 This is an exploded view of a soil compaction device for backfilling the pile body during the construction of a lime-soil compaction pile, provided in an embodiment of this utility model.

[0022] Figure 3 yes Figure 2 Enlarged view of region a in the middle;

[0023] Figure 4 yes Figure 2 Enlarged view of region b in the middle;

[0024] Figure 5 This is a schematic diagram of the guide frame in a soil compaction device for backfilling the pile body during the construction of a lime-soil compaction pile, provided by an embodiment of this utility model.

[0025] In the diagram, the correspondence between component names and drawing numbers is as follows:

[0026] 100. Base; 101. Guide frame; 102. Tamping hammer; 103. Mounting seat; 104. Hydraulic jack; 105. Tilt sensor; 106. Winding reel; 107. Winding reel frame; 108. Fixing frame; 109. Electric telescopic rod; 110. Friction plate; 111. Scraper ring; 112. Motor; 113. Electric slide table; 114. Slide rail; 115. Mounting frame; 116. Guide wheel; 117. Positioning wheel; 118. Steel wire rope; 119. Connecting block; 120. Mounting platform. Detailed Implementation

[0027] The embodiments of this utility model will be described in further detail below with reference to the accompanying drawings and examples. The following examples are used to illustrate the technical solution of this utility model, but should not be used to limit the scope of protection of this utility model.

[0028] As attached Figure 1 To be continued Figure 5 As shown:

[0029] A compaction device for backfill soil in the construction of lime-soil compaction piles includes a base 100, a guide frame 101, and a compaction hammer 102. The guide frame 101 is installed on the top of the base 100, and the compaction hammer 102 is movably mounted on the guide frame 101. Multiple sets of mounting seats 103 and hydraulic jacks 104 are arranged around the base 100. The hydraulic jacks 104 are used to support the overall device. An inclination sensor 105 is also installed on the top of the base 100. The user can use the inclination sensor 105 to determine whether the device is in a horizontal state, so that the user can adjust the four sets of hydraulic jacks 104 to make the device horizontal. When the compaction hammer 102 falls, the initial angle is perpendicular to the ground, which improves the compaction effect and enhances the reliability of the device.

[0030] The base 100 is equipped with a winding wheel 106 and a winding wheel frame 107 on its top. The winding wheel frame 107 fixes the winding wheel 106, making the winding wheel 106 more stable when winding the wire rope 118. The winding wheel frame 107 is equipped with a fixing frame 108 on both sides. The two sets of fixing frames 108 are equipped with an electric telescopic rod 109 and a friction plate 110 on the opposite side. The winding wheel frame 107 is equipped with a coupling and a motor 112 at one end. The motor 112 is equipped with an electric slide table 113 and a slide rail 114 at its bottom.

[0031] A mounting bracket 115 is connected to the top of the guide frame 101 by screws. A guide wheel 116 is detachably connected to the top of the mounting bracket 115. A positioning wheel 117 is provided inside the guide frame 101 on the side near the guide wheel 116. A winding wheel 106 is rotatably connected to the winding wheel frame 107. A steel wire rope 118 is wound on the winding wheel 106. By setting the guide wheel 116 and the positioning wheel 117, the winding wheel 106 can wind and unwind the steel wire rope 118 more smoothly, ensuring that the tamping hammer 102 does not jam when it strikes.

[0032] A connecting block 119 is welded to the top of the tamping hammer 102. One end of the wire rope 118 is connected to the connecting block 119. Grooves are provided on both the positioning wheel 117 and the guide wheel 116. The middle section of the wire rope 118 is in contact with both the positioning wheel 117 and the guide wheel 116. The user can drive the reel 106 to retract the wire rope 118 through the motor 112. The wire rope 118 drives the tamping hammer 102 to rise into the guide frame 101, which is convenient for repeated hammering of the bottom of the pile hole.

[0033] The slide rail 114 is fixedly connected to the top of the base 100. An electric slide table 113 is mounted on the slide rail 114. The electric slide table 113 can slide on the slide rail 114. A motor 112 is mounted on the top of the electric slide table 113. A coupling is connected to the main shaft of the motor 112. One end of the coupling is connected to the reel 106.

[0034] Each of the two sets of fixed brackets 108 has a mounting platform 120 on one side opposite to the other. Each of the two mounting platforms 120 has an electric telescopic rod 109 installed at one end, and each of the two electric telescopic rods 109 has a friction plate 110 connected to one end.

[0035] The two sides of the reel 106 are in contact with two sets of friction plates 110 respectively. When the motor 112 drives the reel 106 to lift the tamping hammer 102 into the guide frame 101, the two sets of electric telescopic rods 109 drive the friction plates 110 to abut against the two sides of the reel 106, so that the reel 106 is fixed and cannot rotate. At this time, the electric slide table 113 drives the motor 112 to slide along the slide rail 114 to the end away from the reel 106. The motor 112 and the coupling are disengaged from the reel 106. At this time, the two sets of electric telescopic rods 109 drive the friction plates 110 to retract, so that the reel 106 releases the wire rope 118. The tamping hammer 102 falls down due to gravity to hammer the bottom of the pile hole and compact the soil.

[0036] The bottom of the guide frame 101 is provided with a conical groove, and a scraper ring 111 is installed in the conical groove. When the tamping hammer 102 is pulled back, it passes through the conical groove and the scraper ring 111. The scraper ring 111 scrapes off the ash and soil adhering to the side wall of the tamping hammer 102 to prevent the ash and soil from solidifying on the side wall of the tamping hammer 102. If the side wall of the tamping hammer 102 is solidified with ash and soil, the ash and soil on the side wall will easily rub against the pile hole wall when the tamping hammer 102 falls, causing the tamping hammer 102 to tilt and affecting the compaction effect.

[0037] Multiple mounting bases 103 are fixedly connected to the periphery of the base 100. Each mounting base 103 is equipped with a hydraulic jack 104. An inclination sensor 105 is fixedly connected to the top of the base 100. The inclination sensor 105 can be of model HDA436T. Users can determine the horizontal state of the device through the inclination sensor 105 and make fine adjustments to the four hydraulic jacks 104 based on the feedback from the inclination sensor 105, so that the device is in a horizontal state, resulting in better subsequent construction results.

[0038] The embodiments of this utility model are given for illustrative and descriptive purposes only, and are not intended to be exhaustive or to limit the utility model to the forms disclosed. Many modifications and variations will be apparent to those skilled in the art. The embodiments were chosen and described in order to better illustrate the principles and practical applications of this utility model, and to enable those skilled in the art to understand this utility model and design various embodiments with various modifications suitable for a particular purpose.

Claims

1. A compaction device for backfill soil in the construction of lime-soil compaction piles, comprising a base (100), a guide frame (101), and a compaction hammer (102), characterized in that: The base (100) is provided with a guide frame (101) on top, and the guide frame (101) is movably provided with a tamping hammer (102). Multiple sets of mounting seats (103) and hydraulic jacks (104) are provided around the base (100). An angle sensor (105) is also provided on the top of the base (100). The base (100) is provided with a roller (106) and a roller frame (107) on the top. The roller frame (107) is provided with a fixing frame (108) on both sides. The two sets of fixing frames (108) are provided with an electric telescopic rod (109) and a friction plate (110) on the opposite side. The roller frame (107) is provided with a coupling and a motor (112) at one end. The motor (112) is provided with an electric slide table (113) and a slide rail (114) at the bottom.

2. The compaction device for backfill soil of lime-soil compaction piles according to claim 1, characterized in that... : The top of the guide frame (101) is connected to the mounting frame (115) by screws. The top of the mounting frame (115) is detachably connected to the guide wheel (116). A positioning wheel (117) is provided on the side of the guide frame (101) near the guide wheel (116). The winding wheel (106) is rotatably connected to the winding wheel frame (107). A steel wire rope (118) is wound on the winding wheel (106).

3. The compaction device for backfill soil in the construction of lime-soil compaction piles according to claim 2, characterized in that: The top of the tamping hammer (102) is welded with a connecting block (119), one end of the wire rope (118) is connected to the connecting block (119), and grooves are provided on the positioning wheel (117) and the guide wheel (116). The middle section of the wire rope (118) is in contact with both the positioning wheel (117) and the guide wheel (116).

4. The compaction device for backfill soil in the construction of lime-soil compaction piles according to claim 1, characterized in that: The slide rail (114) is fixedly connected to the top of the base (100). The electric slide table (113) is mounted on the slide rail (114). The electric slide table (113) can slide on the slide rail (114). The motor (112) is mounted on the top of the electric slide table (113). A coupling is connected to the main shaft of the motor (112). One end of the coupling is connected to the reel (106).

5. The compaction device for backfill soil in the construction of lime-soil compaction piles according to claim 1, characterized in that: Each of the two sets of fixed frames (108) has a mounting platform (120) on one side opposite to the other. Each of the two sets of mounting platforms (120) has an electric telescopic rod (109) installed at one end. Each of the two sets of electric telescopic rods (109) has a friction plate (110) connected to one end.

6. The compaction device for backfill soil in the construction of lime-soil compaction piles according to claim 5, characterized in that: The two sides of the roller (106) are in contact with the two sets of friction plates (110).

7. The compaction device for backfill soil in the construction of lime-soil compaction piles according to claim 1, characterized in that: The bottom of the guide frame (101) is provided with a conical groove, and a scraper ring (111) is installed in the conical groove.

8. The compaction device for backfill soil in the construction of lime-soil compaction piles according to claim 1, characterized in that: Multiple sets of mounting bases (103) are fixedly connected to the periphery of the base (100), and multiple sets of mounting bases (103) are equipped with hydraulic push rods (104). The tilt sensor (105) is fixedly connected to the top of the base (100).

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