Excavator retrofit vibratory tamper device

Abstract

The utility model discloses a kind of excavator retrofitting vibration rammer devices, it includes: ramming plate, limiting cone barrel, force main rib, force secondary rib, connecting chain and fixed bolt;Ramming plate is rectangular structure;Limiting cone barrel is used for the end of cannon hammer insertion;Limiting cone barrel is welded and fixed in the first side of ramming plate;Force main rib is fixed between the first side of ramming plate and the outer wall of limiting cone barrel, and force main rib is arranged in the diagonal line position of ramming plate;Force secondary rib is located between two adjacent force main ribs respectively;One end of connecting chain is connected with ramming plate, and the other end of connecting chain is connected with the cannon hammer of excavator;Fixed bolt is installed in the first screw hole provided in limiting cone barrel, and the end of cannon hammer is locked by fixed bolt. By retrofitting and installing vibration rammer device in the end of excavator cannon hammer, the ramming function is provided for excavator, can enter into trench, foundation pit corner, slope and other large road roller cannot enter narrow or irregular construction site, effectively solve compaction "dead angle" problem.

Description

Technical Field

[0001] This utility model belongs to the field of compaction machinery and equipment technology, and in particular relates to a vibratory rammer device modified from an excavator. Background Technology

[0002] Earthwork compaction is a common construction process in foundation engineering, municipal engineering, transportation, water conservancy, and landscaping. Its goal is to achieve the specified density and bearing capacity of backfill soil (sand, gravel, cohesive soil, and their graded mixtures) within a limited construction space. Earthwork compaction is usually carried out using compaction machines. The compaction mechanism reduces the internal friction and cohesion of the soil through continuous periodic inertial forces, promoting the migration of pore water and air and achieving particle redeposition.

[0003] Unlike large-area roadbeds and slabs, work sites such as trenches, pits, riverbank slopes, bridge abutments, and the corners of structures are characterized by narrow working areas, large slope variations, numerous obstacles, and thin, irregularly shaped backfill layers. These conditions place higher demands on the mobility of compaction equipment, the controllability of vibration, and its adaptability to the ground surface. Large rollers, limited by site width, turning radius, and slope stability, struggle to access the corners of trenches, pits, or steep slopes, resulting in insufficient compaction in these "dead zone" areas. Utility Model Content

[0004] The purpose of this invention is to provide a modified vibratory compactor for excavators to solve the problem of limited passage and coverage for large road rollers due to limitations in site width, turning radius, and slope stability.

[0005] The technical solution of this utility model to solve the above-mentioned technical problems is as follows: A vibratory tamping device for excavators, the vibratory tamping device is installed at the end of the excavator's hammer, the vibratory tamping device includes: a tamping plate, a limiting cone, a main force-bearing rib, a secondary force-bearing rib, a connecting chain, and fixing bolts; the tamping plate has a rectangular structure; the structure of the limiting cone is adapted to the structure of the hammer end, and the limiting cone is used for the insertion of the hammer end; the limiting cone is welded and fixed to the first side of the tamping plate; the main force-bearing rib is fixed to the first side of the tamping plate and the limiting cone. Between the outer walls of the limiting cone, there are four main force-bearing ribs, which are arranged diagonally on the compaction plate; four secondary force-bearing ribs are fixed between the first side of the compaction plate and the outer wall of the limiting cone, and each secondary force-bearing rib is located between two adjacent main force-bearing ribs; one end of the connecting chain is connected to the compaction plate, and the other end of the connecting chain is connected to the excavator's hammer; the fixing bolt is installed in the first screw hole provided in the limiting cone, and the hammer end is locked by the fixing bolt.

[0006] The excavator-modified vibratory rammer device described in this utility model further includes a rammer plate made of stainless steel, with a thickness of 20 mm or more.

[0007] The excavator-modified vibratory compactor device described in this utility model further includes four connecting chains, one end of which is connected to the top corner of the compaction plate.

[0008] The excavator-modified vibratory compactor device described above further includes a wear-resistant block, with a screw on one side of the wear-resistant block, which fixes the wear-resistant block to the second side of the compaction plate.

[0009] The excavator-modified vibratory rammer device described above further includes a second screw hole on the rammer plate, and a receiving groove on the main force-bearing rib at a position corresponding to the second screw hole. The wear-resistant block is fixed to the rammer plate by a nut and a screw.

[0010] The excavator-modified vibratory rammer device described above further includes a rammer plate with a square structure, and four wear-resistant blocks that are spliced ​​together to form a square wear-resistant layer with the same shape as the rammer plate.

[0011] The excavator-modified vibratory compactor device described above further includes an insert block on one side of the wear-resistant block and a slot on the other side of the wear-resistant block; in adjacent wear-resistant blocks, the insert block of one wear-resistant block is inserted into the slot of another wear-resistant block.

[0012] The excavator-modified vibratory compactor device described above further includes a pad block, which is installed inside a limiting cone.

[0013] The beneficial effects of this utility model are: 1. Strong adaptability and expanded construction range: By modifying and installing the vibratory rammer device at the end of the excavator hammer, the excavator is equipped with a compaction function, enabling it to enter narrow or irregular construction sites that large road rollers cannot access, such as trenches, corners of foundation pits, and slopes, effectively solving the problem of compaction "dead corners".

[0014] 2. The structure is stable and has strong impact resistance; the limiting cone is compatible with the hammer end structure and is locked with fixing bolts to achieve a stable connection, avoid shaking during operation, and improve the overall impact resistance and safety of the device.

[0015] 3. Reasonable stress distribution to avoid structural deformation; the four main stress ribs set at the diagonal position can prevent deformation in the direction of the top corner of the rammed plate; the four secondary stress ribs set between the main ribs can prevent deformation in the direction from the middle to the side of the rammed plate. Attached Figure Description

[0016] The advantages of the present invention, as described above and / or in the following detailed description in conjunction with the accompanying drawings, will become clearer and more readily understood. These drawings are merely illustrative and do not limit the scope of the present invention. Figure 1 This is a schematic diagram showing the connection between an excavator and a vibratory compactor according to an embodiment of the present invention; Figure 2 This is a top view schematic diagram of an excavator modified vibratory rammer device according to an embodiment of the present invention; Figure 3 This is a three-dimensional schematic diagram of an excavator modified with a vibratory rammer according to an embodiment of the present invention; Figure 4 This is a schematic diagram of the upper part of the excavator modified vibratory rammer device according to the second embodiment of this utility model; Figure 5 This is a schematic diagram of the lower part of the excavator modified vibratory rammer device according to the second embodiment of this utility model; Figure 6 This is a cross-sectional schematic diagram of the excavator-modified vibratory compactor device according to the second embodiment of this utility model; Figure 7 This is a schematic diagram of a wear-resistant block according to one embodiment of the present invention.

[0017] The attached diagram lists the components represented by each number as follows: 100. Excavator; 200. Hammer; 300. Vibratory rammer; 31. Ramming plate; 32. Limiting cone; 33. Main load-bearing rib; 331. Receiving groove; 34. Secondary load-bearing rib; 35. Connecting chain; 36. Fixing bolt; 37. Wear-resistant block; 371. Screw; 372. Slot; 373. Insert block; 38. Pad block. Detailed Implementation

[0018] In the following description, embodiments of the excavator-modified vibratory compactor device of the present invention will be described with reference to the accompanying drawings.

[0019] The embodiments described herein are specific implementations of this utility model, used to illustrate the concept of this utility model. They are all illustrative and exemplary, and should not be construed as limiting the implementation methods or scope of this utility model. In addition to the embodiments described herein, those skilled in the art can employ other obvious technical solutions based on the content disclosed in the claims and specification of this application. These technical solutions include those that make any obvious substitutions and modifications to the embodiments described herein.

[0020] The accompanying drawings in this specification are schematic diagrams used to illustrate the concept of this utility model, and schematically show the shapes of the various parts and their interrelationships. Please note that, in order to clearly show the structure of the components of the embodiments of this utility model, the drawings are not drawn to the same scale. The same reference numerals are used to indicate the same parts.

[0021] Figure 1 This invention illustrates an embodiment of a vibratory compactor device 300 for converting an excavator into a vibratory compactor, comprising: The tamping plate 31 has a rectangular structure. In a preferred embodiment of an excavator-modified vibratory tamping device, the tamping plate 31 is made of stainless steel, and its thickness is greater than or equal to 20 mm. Of course, besides stainless steel, other hard alloy materials, such as tungsten carbide, can also be used. Since the mechanical vibration of the hammer is directly transmitted to the tamping plate during use, the tamping plate needs a certain thickness to prevent deformation during use. In practical applications, the width of the tamping plate can range from 500 to 1200 mm, and the length can range from 500 to 1500 mm. The specific dimensions can be selected according to the width of the construction site and the required compaction depth.

[0022] A limiting cone 32 is included, its structure being adapted to the structure of the hammer 200's end. The limiting cone 32 allows the hammer 200's end to be inserted. The limiting cone 32 is welded and fixed to the first side of the tamping plate 31. The normal function of the hammer is demolition; to achieve the connection between the hammer's end and the tamping plate, a limiting cone is needed. The hammer is inserted into the limiting cone. Because the hammer's end and the limiting cone's inner cavity structure are adapted, the connection reduces shaking caused by loose connections. Figure 6 In a preferred embodiment shown, a pad 38 is further included, which is installed inside the limiting cone 32. The pad is preferably made of a hard, wear-resistant material, such as tungsten carbide. The pad prevents damage to the parts in contact with the tamping plate by the hammer, thus improving the service life of the entire device. The wall thickness of the cone is preferably 20–50 mm to ensure that cracks or weld failures do not occur under long-term vibration and impact loads.

[0023] Four main load-bearing ribs 33 are fixed between the first side of the compaction plate 31 and the outer wall of the limiting cone 32. These ribs are arranged diagonally across the compaction plate 31. Because the main load-bearing ribs are located diagonally, unwanted deformation along the line connecting the center and the top corner of the compaction plate is avoided. In a specific embodiment, the thickness of the main load-bearing ribs is 10–20 mm, and the material can be high-strength steel plate.

[0024] The secondary load-bearing ribs 34 are fixed between the first side of the compaction plate 31 and the outer wall of the limiting cone 32. There are four secondary load-bearing ribs 34, each located between two adjacent main load-bearing ribs 33. The secondary load-bearing ribs prevent unwanted deformation along the line connecting the center and side edges of the compaction plate. The secondary load-bearing ribs are typically smaller than the main load-bearing ribs, and their thickness is preferably 8–15 mm.

[0025] Connecting chain 35, one end of which is connected to compaction plate 31, and the other end of which is connected to hammer 200 of excavator 100; in a preferred embodiment of excavator-modified vibratory compactor, such as Figure 2 As shown, there are four connecting chains 35, one end of which is connected to the top corner of the compaction plate 31. The connecting chains can be made of high-strength alloy steel chains or hydraulic telescopic rods; the chain diameter is preferably 16-32mm to ensure that it can withstand the tension under repeated vibration conditions; in another alternative, the connecting parts can also be wire rope assemblies to adapt to the installation requirements of different models of excavators.

[0026] The fixing bolt 36 is installed in the first screw hole provided in the limiting cone 32, and the end of the hammer 200 is locked by the fixing bolt 36.

[0027] In a further improved embodiment of the excavator-modified vibratory compactor, such as Figures 4 to 7 As shown, the vibratory tamping device 300 also includes a wear-resistant block 37. A screw 371 is provided on one side of the wear-resistant block 37, and the wear-resistant block 37 is fixed to the second side of the tamping plate 31 by the screw 371.

[0028] In a preferred embodiment, the tamping plate 31 has a square structure, and the number of wear-resistant blocks 37 is four. The wear-resistant blocks 37 are spliced ​​together to form a square wear-resistant layer with the same shape as the tamping plate 31. Figure 6 As shown, the tamping plate 31 has a second screw hole, and the main load-bearing rib 33 has a receiving groove 331 at the position corresponding to the second screw hole. The wear-resistant block 37 is fixed to the tamping plate 31 by a nut and a screw rod 371. Since the position of the second screw hole overlaps with the position of the main load-bearing rib, a receiving groove is required to facilitate the insertion of the screw rod and the installation of the nut. It should be noted that the height of the receiving groove should be based on the convenience of installation and operation of the screw rod and nut, without occupying more area of ​​the main load-bearing rib, thereby avoiding a reduction in the strength and supporting force of the main load-bearing rib. The material of the wear-resistant block can be high manganese steel, alloy cast iron, or polyurethane composite material, and its thickness is preferably 30-80mm to ensure good wear resistance and easy replacement under high-frequency vibration.

[0029] Since the tamping plate and wear-resistant block need to reciprocate during equipment use, it is necessary to prevent the wear-resistant block from rotating and shifting around the screw. A further improvement to the above embodiment is made: one side of the wear-resistant block 37 is provided with an insert 373, and the other side of the wear-resistant block 37 is provided with a slot 372; in adjacent wear-resistant blocks 37, the insert 373 of one wear-resistant block 37 is inserted into the slot 372 of the other wear-resistant block 37. For example... Figure 5 As shown, the two wear-resistant blocks located at the upper part are connected by inserts and slots to form a combined whole. The two blocks, together with two screws connected to the tamping plate, form a mutually locking fixed structure, which prevents the wear-resistant blocks from rotating or shifting during use.

[0030] The above embodiments of this utility model have the following technical advantages: 1. Strong adaptability and expanded construction range: By modifying and installing the vibratory rammer device at the end of the excavator hammer, the excavator is equipped with a compaction function, enabling it to enter narrow or irregular construction sites that large road rollers cannot access, such as trenches, corners of foundation pits, and slopes, effectively solving the problem of compaction "dead corners".

[0031] 2. The structure is stable and has strong impact resistance; the limiting cone is compatible with the hammer end structure and is locked with fixing bolts to achieve a stable connection, avoid shaking during operation, and improve the overall impact resistance and safety of the device.

[0032] 3. Reasonable stress distribution to avoid structural deformation; the four main stress ribs set at the diagonal position can prevent deformation in the direction of the top corner of the rammed plate; the four secondary stress ribs set between the main ribs can prevent deformation in the direction from the middle to the side of the rammed plate.

[0033] The technical features disclosed above are not limited to the combinations of the disclosed features with other features. Those skilled in the art can also make other combinations of the technical features according to the purpose of the utility model in order to achieve the purpose of the utility model.

Claims

1. A vibratory compactor device for converting an excavator into a vibratory compactor, characterized in that, A vibratory tamping device (300) is installed at the end of the hammer (200) of an excavator (100). The vibratory tamping device (300) includes: a tamping plate (31), a limiting cone (32), a main force-bearing rib (33), a secondary force-bearing rib (34), a connecting chain (35), and a fixing bolt (36). The tamping plate (31) has a rectangular structure. The structure of the limiting cone (32) is adapted to the structure of the end of the hammer (200), and the limiting cone (32) is for the end of the hammer (200) to be inserted. The limiting cone (32) is welded and fixed to the first side of the tamping plate (31). The main force-bearing rib (33) is fixed between the first side of the tamping plate (31) and the outer wall of the limiting cone (32). There are four main force ribs (33), which are arranged diagonally on the compaction plate (31); the secondary force ribs (34) are fixed between the first side of the compaction plate (31) and the outer wall of the limiting cone (32), and there are four secondary force ribs (34), which are located between two adjacent main force ribs (33); one end of the connecting chain (35) is connected to the compaction plate (31), and the other end of the connecting chain (35) is connected to the hammer (200) of the excavator (100); the fixing bolt (36) is installed in the first screw hole provided in the limiting cone (32), and the end of the hammer (200) is locked by the fixing bolt (36).

2. The excavator-modified vibratory compactor device according to claim 1, characterized in that, The tamping plate (31) is a stainless steel plate, and the thickness of the tamping plate (31) is greater than or equal to 20 mm.

3. The excavator-modified vibratory compactor device according to claim 1, characterized in that, The number of connecting chains (35) is four, and one end of the connecting chain (35) is connected to the top corner of the tamping plate (31).

4. The excavator-modified vibratory compactor according to any one of claims 1 to 3, characterized in that, It also includes a wear-resistant block (37), and a screw (371) is provided on one side of the wear-resistant block (37), which fixes the wear-resistant block (37) to the second side of the tamping plate (31).

5. The excavator-modified vibratory compactor device according to claim 4, characterized in that, The tamping plate (31) is provided with a second screw hole, and the main force rib (33) is provided with a receiving groove (331) at the position corresponding to the second screw hole. The wear-resistant block (37) is fixed on the tamping plate (31) by a nut and a screw (371).

6. The excavator-modified vibratory compactor device according to claim 5, characterized in that, The tamping plate (31) has a square structure, and there are four wear-resistant blocks (37). The wear-resistant blocks (37) are spliced ​​together to form a square wear-resistant layer with the same shape as the tamping plate (31).

7. The excavator-modified vibratory compactor device according to claim 6, characterized in that, The wear-resistant block (37) has an insert (373) on one side and a slot (372) on the other side; among adjacent wear-resistant blocks (37), the insert (373) of one wear-resistant block (37) is inserted into the slot (372) of another wear-resistant block (37).

8. The excavator-modified vibratory compactor device according to claim 1, characterized in that, It also includes a pad (38) installed inside the limiting cone (32).

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