Protective hydraulic vibrating ram

Abstract

The utility model relates to the technical field of engineering tools, disclose a kind of protective hydraulic vibrating ram, including tool connecting frame, rammer board and fixed on the exciter of rammer board, the rammer board has the lower frame body around the outer side of the exciter, the tool connecting frame has the upper frame body with downward opening arrangement, and the upper frame body has the cavity accommodating the lower frame body in, the lower frame body is fixed with even number of mounting bracket, and the mounting bracket two two symmetrical settings are in the exciter both sides, and each mounting bracket is fixedly connected with the inner wall of the upper frame body body through shock absorber block.The utility model protects exciter and hydraulic pipeline by upper frame body and lower frame body together, and avoid the bolt abrasion of sandstone to exciter when vibrating, guarantee the safe use of vibrating ram.

Description

Technical Field

[0001] This utility model relates to the field of engineering operation tools, and in particular to a protective hydraulic vibratory rammer. Background Technology

[0002] A vibratory rammer is a device used to compact and level land. It is usually installed at the front end of an excavator as an attachment and is driven by the excavator's hydraulic system. It is widely used for compaction operations on flat or sloping surfaces of the ground or trenches.

[0003] Existing vibratory rammers typically include an attachment frame for connecting the excavator's front drive arm, a compaction plate for compacting the ground, and a vibrator fixed to the compaction plate to provide the vibration source. The compaction plate and the attachment frame are connected by multiple damping blocks to form a flexible connection structure, ensuring that the compaction plate reciprocates under the drive of the vibrator. However, the vibrator and hydraulic lines on the vibratory rammer are exposed. Under complex working conditions, there is a risk that the vibrator or hydraulic lines may collide with obstacles due to improper operation, leading to oil leakage at the hydraulic motor of the vibrator. At the same time, during the operation of the vibratory rammer, some road sand and gravel will accumulate on the upper surface of the compaction plate due to vibration, which will cause impact and friction on the bolts at the connection between the vibrator and the compaction plate. Over time, this will accelerate the wear of the bolt threads and may even cause the nuts to loosen and become impossible to tighten again, affecting the safe use of the vibratory rammer. Utility Model Content

[0004] To address the shortcomings of the existing technology, this utility model provides a protective hydraulic vibratory rammer that protects the vibrator and hydraulic lines, preventing sand and gravel generated during vibration from falling into the connection between the vibrator and the rammer plate, thus ensuring the safe use of the vibratory rammer.

[0005] The technical solution of this utility model is as follows: a protective hydraulic vibratory rammer, comprising an attachment connecting frame, a tamping plate, and a vibrator fixed on the tamping plate. The tamping plate has a lower frame surrounding the vibrator. The attachment connecting frame has an upper frame with a downward opening, and the upper frame has a cavity to accommodate the lower frame. An even number of mounting brackets are fixed in the lower frame, and the mounting brackets are symmetrically arranged in pairs on both sides of the vibrator. Each mounting bracket is fixedly connected to the inner wall of the upper frame via a damping block. The upper frame covers the outside of the lower frame, forming a protective shell between the attachment connecting frame and the tamping plate. The mounting brackets in the lower frame are softly connected to the upper frame via damping blocks, ensuring the vibration requirements of the tamping plate. Sand and gravel that accumulate above the tamping plate due to vibration are blocked by the protective shell, preventing sand and gravel from abrading the bolts used to fix the vibrator. Simultaneously, the protective shell protects the hydraulic lines and the entire vibrator from collisions with obstacles.

[0006] There is an active distance between the bottom of the upper frame and the upper surface of the tamping plate, allowing the tamping plate to reciprocate under the drive of the vibrator.

[0007] There is an active gap between the upper frame and the lower frame, which allows the upper frame and the lower frame to move relative to each other, and a shock-absorbing pad is fixed to the inner side of the lower end of the upper frame.

[0008] The system includes a corrugated sealing ring, which is fitted over the outer side of the upper frame. The upper end of the corrugated sealing ring is connected to the lower end of the upper frame, and the lower end is connected to the upper surface of the compaction plate. The corrugated sealing ring protects the gap between the upper and lower frames, preventing sand and gravel debris from entering the gap and affecting the normal vibration of the compaction plate.

[0009] The lower end of the corrugated sealing ring extends radially to form an outer ring portion, on which an annular pressure plate is provided. The annular pressure plate and the outer ring portion are fixed together to the compaction plate by connecting screws.

[0010] There are four mounting brackets, divided into two groups, symmetrically arranged on both sides of the vibrator. The two mounting brackets in each group are arranged side by side along the width direction of the tamping plate, and the mounting surface of the mounting bracket used to connect the damping block is parallel to the length direction of the tamping plate.

[0011] The two mounting brackets in each group are connected together to the side plate of the lower frame.

[0012] The upper frame has an installation opening on at least one side parallel to the length direction of the tamping plate, and the lower frame has a notch corresponding to the position of the installation opening. A dust cover is fixed to the outside of the installation opening.

[0013] The top of the upper frame has a hydraulic pipe through hole, and the attachment connecting frame has a protective frame corresponding to the hydraulic pipe through hole.

[0014] In summary, the present invention has the following main advantages:

[0015] This utility model features an upper frame on the attachment connecting frame and a lower frame on the tamping plate. The upper frame covers the outside of the lower frame, forming a protective shell between the attachment connecting frame and the tamping plate. The mounting bracket inside the lower frame is softly connected to the upper frame via shock-absorbing blocks, ensuring the vibration requirements of the tamping plate are met. The sand and gravel that vibrate and accumulate above the tamping plate are blocked by the protective shell, preventing them from abrading the fixing bolts on the vibrator. At the same time, the protective shell protects the hydraulic lines and the entire vibrator from collisions with obstacles. Attached Figure Description

[0016] Figure 1 This is a schematic diagram of the structure of this utility model;

[0017] Figure 2 This is a schematic diagram of the structure of this utility model after removing the dust cover;

[0018] Figure 3 This is a schematic diagram showing the connection between the attachment connecting frame and the upper frame in this utility model;

[0019] Figure 4 This is a schematic diagram of the connection between the rammed plate and the lower frame in this utility model;

[0020] Figure 5 This is a top view of the present invention;

[0021] Figure 6 It is along Figure 5 A cross-sectional view along the AA direction.

[0022] Reference numerals: 1. Attachment connecting frame; 101. Connecting ear plate; 102. Connecting seat; 103. Protective frame; 2. Ramming plate; 3. Vibrator; 301. Hydraulic motor; 302. Fixing seat; 303. Fixing bolt; 4. Upper frame; 401. Chamber; 402. Chamfered part; 403. Hydraulic pipe through hole; 404. Mounting port; 5. Lower frame; 501. Notch part; 6. Mounting bracket; 7. Shock absorber block; 8. Corrugated sealing ring; 801. Outer ring part; 802. Connecting screw; 9. Annular pressure plate; 10. Dustproof cover plate; 11. Shock absorber pad. Detailed Implementation

[0023] The technical solutions of the present utility model will be described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments.

[0024] In the following description, the terms "first," "second," etc., are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of indicated technical features. Therefore, a feature defined with "first," "second," etc., may explicitly or implicitly include one or more of that feature. In the description of this utility model, unless otherwise stated, "a plurality of" means two or more.

[0025] Furthermore, in this utility model, directional terms such as "upper," "lower," "left," and "right" may be defined relative to the orientation of the components shown in the accompanying drawings. It should be understood that these directional terms can be relative concepts, used for relative description and clarification, and can change accordingly based on the orientation of the components in the accompanying drawings.

[0026] like Figures 1-4As shown, this utility model provides a protective hydraulic vibratory rammer, including an attachment connecting frame 1, a tamping plate 2, and an exciter 3 fixed on the tamping plate 2. Similar to the prior art, the attachment connecting frame 1 includes a connecting seat 102 and two connecting ear plates 101 welded and fixed to the upper surface of the connecting seat 102 and arranged side by side. The front end of the excavator's drive arm is rotatably connected to the connecting ear plates 101 through a connecting hinge shaft, and then the vibratory rammer is moved by the attachment connecting frame 1. The exciter 3 in this solution is driven by a hydraulic motor 301. The exciter 3 is installed in the middle of the tamping plate 2 through the fixed seat 302. The tamping plate 2 vibrates up and down as the exciter 3 operates to tampe the ground.

[0027] like Figure 4 As shown, the tamping plate 2 has a lower frame 5 surrounding the vibrator 3. Specifically, the lower frame 5 includes a front side plate, a rear side plate, a left side plate, and a right side plate welded and fixed to the upper surface of the tamping plate 2. The four side plates can be fixed by welding four single plates together, or by welding a single plate after bending it three times. The front side plate and the rear side plate are parallel to the length direction of the tamping plate 2, and the left side plate and the right side plate are parallel to the width direction of the tamping plate 2. The attachment connecting frame 1 has an upper frame 4 with a downward opening. Similarly, as shown... Figure 3 As shown, the upper frame 4 includes a front side plate, a rear side plate, a left side plate, and a right side plate, which are welded and fixed to the lower surface of the connecting seat 102. Their connection method is the same as that of the side plates of the lower frame 5. The front side plate and the rear side plate are parallel to the length direction of the tamping plate 2, and the left side plate and the right side plate are parallel to the width direction of the tamping plate 2. The cavity 401 formed by the welded four side plates has a size sufficient to accommodate the lower frame 5. Figure 4 As shown, an even number of mounting brackets 6 are fixed inside the lower frame 5, and the mounting brackets 6 are symmetrically arranged in pairs on both sides of the vibrator 3. In this scheme, there are four mounting brackets 6, divided into two groups, symmetrically arranged on both sides of the vibrator 3. The two mounting brackets 6 in each group are arranged side by side along the width direction of the compaction plate 2, and the mounting surface of the mounting bracket 6 is parallel to the length direction of the compaction plate 2. A damping block 7 is fixed to the mounting surface of the mounting bracket 6 by bolts. The other end of the damping block 7 is bolted to the inner surface of the corresponding front side plate 2 / rear side plate 2. A fixed connection is formed between the lower frame 5 and the upper frame 4 to ensure the vibration requirements of the tamping plate 2. The upper frame 4 covers the outside of the lower frame 5 and together with the upper frame 4 forms a protective shell between the attachment connecting frame 1 and the tamping plate 2. This shell blocks the sand and gravel that accumulates above the tamping plate 2 due to vibration from the outside of the protective shell, thereby effectively preventing the sand and gravel from wearing down the fixing bolts 303 between the vibrator 3 and the fixed seat 302. In addition, the protective shell also provides overall protection for the hydraulic pipeline and the entire vibrator 3, preventing it from being hit by obstacles in complex working conditions.

[0028] Further preferred, such as Figure 4 and Figure 6 As shown in the figure, in this scheme, there are two shock-absorbing blocks 7 on each mounting bracket 6, which are arranged vertically at intervals on the mounting bracket 6.

[0029] To improve the connection strength of the mounting brackets 6, the two mounting brackets 6 in each group are connected together to the side plate of the lower frame 5. In this design, as shown... Figure 4 As shown, the outer edges of the two mounting brackets 6 located on the left side of the vibrator 3 are welded and fixed to the left side plate 1, and the outer edges of the two mounting brackets 6 located on the right side of the vibrator 3 are welded and fixed to the right side plate 1.

[0030] like Figure 6 The upper frame 4 has a movable distance between its bottom and the upper surface of the tamping plate 2, allowing the tamping plate 2 to reciprocate under the drive of the vibrator 3; the upper frame 4 and the lower frame 5 have a movable gap, allowing relative movement between them. To avoid collision and friction between the side plates of the upper frame 4 and the lower frame 5 due to vibration of the vibrator 3, a shock-absorbing pad 11 is fixed to the inner side of the lower end of the upper frame 4. The shock-absorbing pad 11 is a ring-shaped pad made of rubber, and its shape is adapted to the shape of the upper frame 4. The outer side of the shock-absorbing pad 11 can be fixed to the inner side of each side plate of the upper frame 4 by adhesive.

[0031] Further preferred, such as Figure 1 and Figure 5 As shown, the top of the upper frame 4 has a hydraulic pipe through hole 403. The hydraulic pipe on the hydraulic motor 301 of the vibrator 3 passes through the hydraulic pipe through hole 403 and is connected to the hydraulic system of the excavator. Specifically, the inner diameter of the hydraulic pipe through hole 403 is larger than the outer diameter of the hydraulic pipe so that the hydraulic pipe can move with the vibration of the vibrator 3. The attachment connecting frame 1 is provided with a protective frame 103 corresponding to the hydraulic pipe through hole 403. Specifically, the connecting seat 102 has a D-shaped protective frame 103 formed on the side near the hydraulic pipe through hole 403. The hydraulic pipe passes through the D-shaped protective frame 103 to increase the protection effect.

[0032] A chamfered portion 402 is also provided at the connection position between the upper frame 4 and the attachment connecting bracket 1 to improve the strength of the upper frame 4. Specifically, in this solution, for example... Figure 1 and Figure 3 As shown, the chamfered portion 402 is located at the connection between the left side plate 2 and the right side plate 2 and the connecting seat 102. It is formed by bending the left side plate 2 and the right side plate 2 inward. The chamfered portion 402 is the top of the upper frame 4. Of course, the hydraulic pipe through hole 403 is opened on the chamfered portion 402.

[0033] like Figure 1 and Figure 2As shown, this hydraulic vibratory rammer also includes a corrugated sealing ring 8, which is sleeved on the outside of the upper frame 4. Its upper end is connected to the lower end of the upper frame 4, and its lower end is connected to the upper surface of the rammer plate 2. The corrugated sealing ring 8 protects the gap between the upper frame 4 and the lower frame 5, preventing sand and gravel debris from entering the gap and affecting the normal vibration of the rammer plate 2. At the same time, the corrugated structure of the corrugated sealing ring 8 can be compressed or extended with the reciprocating motion of the rammer plate 2.

[0034] Specifically, the upper end of the corrugated sealing ring 8 can be fixed to the outside of the upper frame 4 by connecting screws 802, such as... Figure 3 The lower end of the corrugated sealing ring 8 has an outer ring portion 801 extending radially, such as... Figure 2 and Figure 5 As shown, the outer ring portion 801 is provided with an annular pressure plate 9. The annular pressure plate 9 and the outer ring portion 801 are fixed together on the ramming plate 2 by connecting screws 802 to ensure the connection between the corrugated sealing ring 8 and the ramming plate 2. Furthermore, the outer ring portion 801 is pressed firmly onto the ramming plate 2 by the annular pressure plate 9, which can effectively prevent debris from reaching the outside of the lower frame 5 from the lower end of the corrugated sealing ring 8.

[0035] To facilitate the installation and fixing of the shock-absorbing blocks 7 on the inner side of the upper frame 4, such as Figure 2 As shown, the upper frame 4 has an installation opening 404 on at least one side parallel to the length direction of the compacted plate 2, that is, the installation opening 404 is opened on the front side plate 2 or the rear side plate 2. Preferably, in this solution, as shown... Figure 3 As shown, both side panels have mounting openings 404, such as... Figure 4 As shown, the lower frame 5 has a notch 501 corresponding to the position of the mounting port 404. Specifically, in this solution, the notch 501 is formed at the upper end of the front side plate and the rear side plate. To prevent debris from entering the chamber 401, a dust cover 10 is fixed to the outside of the mounting port 404. More preferably, in order to accelerate the heat dissipation of the vibrator 3 and the surface of the shock absorber 7 in the chamber 401, the dust cover 10 adopts a filter screen design, which can block gravel and sand while ensuring the ventilation effect in the chamber 401.

[0036] When implementing the above technical solutions, such as Figure 3 As shown, the attachment connecting frame 1 and the upper frame 4 constitute the upper component, as follows: Figure 4As shown, the tamping plate 2, lower frame 5, mounting bracket 6, and shock absorber 7 form the lower component. The vibrator 3 is fixed on the fixing seat 302 of the tamping plate 2. The upper and lower components are aligned and inserted into the mounting holes on the front and rear side plates of the upper frame 4, which are aligned with the mounting holes of the shock absorber 7. Bolts are used through the corresponding mounting holes and nuts from the mounting port 404 to complete the soft connection between the upper frame 4 and the lower frame 5. The hydraulic pipe of the hydraulic motor 301 is passed through the hydraulic pipe through hole 403. The corrugated sealing ring 8 is placed on the outside of the upper frame 4 and moved to the lower end. The upper end of the corrugated sealing ring 8 is fixed with the connecting screw 802. The annular pressure plate 9 presses the outer ring 801 of the lower end of the corrugated sealing ring 8 onto the tamping plate 2 and is fixed with the connecting screw 802. Finally, the protective cover is fixed on the outside of the mounting port 404, forming a protection for the vibrator 3 and its hydraulic pipes.

[0037] The above description is merely a preferred embodiment of this utility model and is not intended to limit the scope of this utility model. Various modifications and variations can be made to this utility model by those skilled in the art. Any modifications, equivalent substitutions, or improvements made within the principles of this utility model should be included within the protection scope of this utility model.

Claims

1. A protective hydraulic vibratory rammer, comprising an attachment connecting frame, a rammer plate, and an exciter fixed to the rammer plate, characterized in that, The tamping plate has a lower frame surrounding the outside of the vibrator, the attachment connecting frame has an upper frame with a downward opening, and the upper frame has a cavity to accommodate the lower frame. An even number of mounting brackets are fixed in the lower frame, and the mounting brackets are symmetrically arranged in pairs on both sides of the vibrator. Each mounting bracket is fixedly connected to the inner wall of the upper frame via a damping block.

2. The protective hydraulic vibratory compactor according to claim 1, characterized in that, There is an active distance between the bottom of the upper frame and the upper surface of the tamping plate, allowing the tamping plate to reciprocate under the drive of the vibrator.

3. A protective hydraulic vibratory compactor according to claim 1, characterized in that, There is an active gap between the upper frame and the lower frame, which allows the upper frame and the lower frame to move relative to each other, and a shock-absorbing pad is fixed to the inner side of the lower end of the upper frame.

4. A protective hydraulic vibratory compactor according to any one of claims 1-3, characterized in that, It includes a corrugated sealing ring, which is sleeved on the outside of the upper frame, with its upper end connected to the lower end of the upper frame and its lower end connected to the upper surface of the tamping plate.

5. A protective hydraulic vibratory compactor according to claim 4, characterized in that, The lower end of the corrugated sealing ring extends radially to form an outer ring portion, on which an annular pressure plate is provided. The annular pressure plate and the outer ring portion are fixed together to the compaction plate by connecting screws.

6. A protective hydraulic vibratory compactor according to claim 1, characterized in that, There are four mounting brackets, divided into two groups, symmetrically arranged on both sides of the vibrator. The two mounting brackets in each group are arranged side by side along the width direction of the tamping plate, and the mounting surface of the mounting bracket used to connect the damping block is parallel to the length direction of the tamping plate.

7. A protective hydraulic vibratory compactor according to claim 6, characterized in that, The two mounting brackets in each group are connected together to the side plate of the lower frame.

8. A protective hydraulic vibratory compactor according to any one of claims 1-3, characterized in that, The upper frame has an installation opening on at least one side parallel to the length direction of the tamping plate, and the lower frame has a notch corresponding to the position of the installation opening. A dust cover is fixed to the outside of the installation opening.

9. A protective hydraulic vibratory compactor according to any one of claims 1-3, characterized in that, The top of the upper frame has a hydraulic pipe through hole, and the attachment connecting frame has a protective frame corresponding to the hydraulic pipe through hole.

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