A rammer weight adjusting device and method for dynamic compaction construction

Abstract

The application belongs to the technical field of building construction, and more particularly relates to a rammer weight adjusting device and method for dynamic compaction construction. The device comprises a connecting seat, a fixing device, an adjusting plate, a pressing plate and a ring groove. The hammer cake is arranged on the ring groove, the pressing plate is connected with the ring groove through the fixing device, the rotation of the adjusting plate can adjust the turning direction of the pressing plate, the fixing device can improve the pressure on the hammer cake, the hammer cake is more stable, the replacement of the hammer cake can be completed after adjusting the pressing plate and cooperating with the crane, and the weight of the rammer can be changed. The device has the advantages that the ramming energy level can be adjusted by changing the weight of the rammer during the dynamic compaction construction, the parts of the device are easy to obtain, the device can be installed on site in a time-saving and labor-saving manner, the replacement of the hammer cake can be quickly completed after the installation of the device, the construction efficiency is improved, the working period and the operation cost are reduced, the hammer cake is stable and firm during the replacement of the hammer cake, and the construction safety is ensured.

Description

TECHNICAL FIELD

[0001] The present application belongs to the technical field of building construction, more specifically, especially to a rammer weight adjusting device and method for dynamic compaction construction. BACKGROUND

[0002] Dynamic compaction construction technology is widely used in the field of foundation treatment construction. Selecting a reasonable ramming energy level during dynamic compaction construction can improve the bearing capacity of the foundation and ensure the quality of dynamic compaction construction. In order to achieve the design ramming energy level, the ramming energy level can be adjusted by changing the rammer drop distance or changing the rammer weight. However, due to the model and space limitations of the tracked rammer, it is not possible to change the ramming energy level by changing the rammer drop distance in many cases. The required ramming energy level is obtained by increasing or decreasing the weight of the rammer.

[0003] The existing rammer is of a whole type, and each rammer is generally equipped with a rammer of a fixed weight. It is not possible to achieve the requirement of obtaining the required ramming energy level by adjusting the weight of the rammer. Different weight rammers need to be equipped, and the rammers need to be transported in and out of the construction site many times. It is not possible to change the weight of the rammer on site, which is time-consuming and labor-intensive, increases the working period and operating cost. Therefore, the rammer needs to be optimized and improved. SUMMARY

[0004] To solve the above technical problems, the present application belongs to the field of building construction, and particularly relates to a rammer weight adjusting device for dynamic compaction construction.

[0005] The technical scheme adopted by the present application is as follows: a rammer weight adjusting device for dynamic compaction construction, comprising a connecting seat, a fixing device, an adjusting plate, a pressing plate and a ring groove, characterized in that the adjusting plate is connected with the pressing plate, the pressing plate is connected with the ring groove through the fixing device, the ring groove is used for placing a hammer cake, and the connecting seat is provided with the adjusting plate; the adjusting plate can adjust the direction of the plate body to drive the pressing plate to rotate, the fixing device can fix the pressing plate on the ring groove with the ring groove, the ring groove can fix the hammer cake in cooperation with the pressing plate when the fixing device is connected with the ring groove; when the fixing device is disconnected from the ring groove, the pressing plate does not fix the hammer cake, and the hammer cake can be replaced on the ring groove to adjust the weight of the rammer.

[0006] Further, the connecting seat is provided with a support plate and a support rod, the support rod can cooperate with the adjusting plate to rotate the pressing plate, and the support plate can support the hammer cake when the pressing plate rotates.

[0007] Further, the connecting seat is provided with a conical groove, and the conical groove can quickly align the adjacent hammer cakes during replacement.

[0008] Further, the connecting seat is provided with a limiting rod, the limiting rod comprises a T-shaped connecting rod, an arc-shaped insertion rod and a limiting screw rod, the T-shaped connecting rod can be rotated by the arc-shaped insertion rod to limit the replacement of the hammer cake, and the limiting screw rod can limit the rotation range of the T-shaped connecting rod.

[0009] Further, the fixing device is provided with a locking screw rod and a locking screw sleeve, the ring groove is provided with the locking screw sleeve, the pressing plate is provided with the locking screw rod, and the locking screw rod can be connected and fixed with the locking screw sleeve.

[0010] Further, the hammer cake comprises a lower hammer cake and a counterweight hammer cake.

[0011] Further, the connecting seat is provided with a placing layer, the placing layer is not less than two layers, the lower hammer cake and the counterweight hammer cake are arranged on the placing layer, and the counterweight hammer cake can be replaced according to the number of layers of the placing layer.

[0012] Further, a method for adjusting the weight of a rammer used in dynamic compaction construction, characterized in that the steps of the method comprise:

[0013] The ring groove and the adjusting plate are installed on the connecting seat;

[0014] The pressing plate is arranged on the adjusting plate, and the fixing device is arranged on the pressing plate;

[0015] The pressing plate and the ring groove are connected through the fixing device, the adjusting plate is rotated to adjust the turning direction of the pressing plate, the hammer cake arranged on the ring groove can be moved on the ring groove, after the hammer cake with different weights is replaced, the adjusting plate is rotated to fix the hammer cake, and the adjustment of the weight of the rammer is completed.

[0016] The application has the advantages and positive effects that: due to the above technical scheme, when the ramming energy level cannot be changed by adjusting the drop distance of the rammer during the dynamic compaction construction, the ramming energy level can be adjusted by changing the weight of the rammer, the parts of the installation device are convenient to obtain, the device can be installed on site conveniently and quickly, the replacement of the hammer cake can be quickly completed after the device is installed, the construction efficiency is improved, the working cycle and the operation cost are reduced, and the hammer cake is stable and firm during the replacement of the hammer cake, so that the construction safety is ensured. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 is a structural schematic diagram of an embodiment of the application;

[0018] Figure 2 is a structural schematic diagram of an adjusting plate of an embodiment of the application;

[0019] Figure 3is a structural schematic view of the position of the arc-shaped groove and the support plate of the embodiment of the present application;

[0020] Figure 4 is a structural schematic view of the position of the adjusting plate and the pressing plate of the embodiment of the present application;

[0021] in the figure:

[0022] 1, lower hammer cake 2, conical groove 3, counterweight hammer cake

[0023] 4, arc-shaped groove 5, support plate 6, support rod

[0024] 7, adjusting plate 8, pressing plate 9, locking screw

[0025] 10, locking nut 11, ring groove 12, arc-shaped insertion groove

[0026] 13, connecting seat 14, limiting rod 141, T-shaped connecting rod

[0027] 142, arc-shaped insertion rod 143, limiting screw rod DETAILED DESCRIPTION

[0028] In order to make the purpose, technical scheme and advantages of the present application more clear and obvious, the present application will be further described in detail below with specific embodiments and with reference to the drawings. It should be understood that these descriptions are only exemplary and are not intended to limit the scope of the present application. In addition, in the following description, the description of the technology of the known structure is omitted to avoid unnecessary confusion of the concept of the present application.

[0029] The embodiments of the present application will be described below with reference to the drawings.

[0030] A rammer weight adjusting device and method for dynamic compaction construction are provided with a lower hammer cake 1, a conical groove 2, a counterweight hammer cake 3, an arc-shaped groove 4, a support plate 5, a support rod 6, an adjusting plate 7, a pressing plate 8, a locking screw 9, a locking nut 10, a ring groove 11, an arc-shaped insertion groove 12, a connecting seat 13 and a limiting rod 14, as shown in Figure 1 , including a lower hammer cake 1, a conical groove 2, a counterweight hammer cake 3, an arc-shaped groove 4, a ring groove 11, an arc-shaped insertion groove 12 and a limiting rod 14, as shown in Figure 2 , wherein the device arranged at the A part includes a counterweight hammer cake 3, an arc-shaped groove 4, a support plate 5, a support rod 6, an adjusting plate 7, a pressing plate 8, a locking screw 9, a locking nut 10 and a ring groove 11. In this embodiment, the fixing device is a locking screw 9 and a locking nut 10, and the fixing is formed by the connection of the locking nut 9 and the locking nut 10.

[0031] As shown in Figure 2As shown, preferably, the adjusting plate 7 is connected with the pressing plate 8, the pressing plate 8 is connected with the locking screw 9, the locking nut 10 and the ring groove 11, the ring groove 11 can place the hammer cake with the connecting seat 13, the connecting seat 13 is provided with the adjusting plate 7; the adjusting plate 7 can drive the pressing plate 8 to rotate by rotating the adjusting plate body direction, the locking screw 9 is connected with the locking nut 10 to fix, the pressing plate 8 is fixed with the ring groove 11; when the locking screw 9 is connected with the locking nut 10, the pressing plate 8 is fixed on the ring groove 11, the hammer cake placed on the ring groove 11 cannot be moved, so that the hammer cake is fixed on the connecting seat 13, which can be used for dynamic compaction construction; when the locking screw 9 is disconnected with the locking nut 10, the pressing plate 8 is not fixed with the ring groove 11, the pressing plate 8 can be driven to rotate by rotating the adjusting plate 7, so that the hammer cake is not fixed on the ring groove 11, the hammer cake can be replaced from the connecting seat 13 by the crane, the overall weight of the rammer is adjusted, and the adjustment of the weight of the rammer in the dynamic compaction construction is realized.

[0032] Preferably, the connecting seat 13 is provided with a placing layer, the placing layer has and is not less than two layers, and each layer of the connecting seat 13 is provided with a ring groove 11 for placing the hammer cake with the placing layer; each layer of the connecting seat 13 is provided with a conical groove 2, the positions of the conical grooves 2 of the upper and lower layers are consistent, which can be used for quick alignment after the hammer cake is replaced, facilitates the installation and alignment of the hammer cake, improves the installation efficiency and the safety guarantee in the later period.

[0033] Preferably, as shown in Figure 2 , Figure 3 The connecting seat 13 is provided with the supporting plate 5 and the supporting rod 6, wherein the supporting rod 6 is arranged between the pressing plates 8, in the process of rotating the pressing plate 8 by the adjusting plate 7, the supporting rod 6 can rotate in cooperation with the rotation of the pressing plate 8, which facilitates the quick adjustment of the pressing plate 8; the supporting plate 5 is arranged below the hammer cake, in the process of adjusting the pressing plate 8 by the adjusting plate 7, the supporting plate 6 can be used for supporting the hammer cake, preventing the sliding and falling of the hammer cake, ensuring the safety of the construction personnel, and facilitating the quick execution of the subsequent work.

[0034] Preferably, the connecting seat 13 is provided with the limiting rod 14, the limiting rod 14 is arranged on each layer of the connecting seat 13, including the T-shaped connecting rod 141, the arc-shaped insertion rod 142 and the limiting screw rod 143, wherein the T-shaped connecting rod 141 is arranged on the connecting seat 13, the arc-shaped insertion rod 142 is fixed on the T-shaped connecting rod 141 through the limiting screw rod 143, the arc-shaped insertion rod 142 can rotate on the T-shaped connecting rod 141, the relative position between the arc-shaped insertion rod 142 and the hammer cake is adjusted by rotating, the arc-shaped insertion rod 142 is fixed in the arc-shaped insertion groove 12 when the hammer cake is fixed, the replacement of the hammer cake by the crane is completed while the hammer cake is fixed, the falling of the hammer cake in the replacement process is prevented, and the construction safety of the construction personnel is ensured.

[0035] Preferably, the hammer cake includes the lower hammer cake 1 and the counterweight hammer cake 3, wherein the lower hammer cake 1 is placed at the bottom of the connecting seat 13 as the base hammer cake, the counterweight hammer cake 3 is arranged in the connecting seat 13 and above the lower hammer cake 1, and is fixed by the limiting rod 14 and the ring groove 11. The counterweight hammer cake 3 can be removed from the connecting seat 13 by adjusting the adjusting plate 7 and the limiting rod 14, and the counterweight hammer cake 3 can be replaced by a crane, the weight of the whole rammer is adjusted, and the weight adjustment of the rammer during construction is realized.

[0036] Preferably, during the connection and fixation of the locking screw 9 and the locking nut 10, the pressing plate 8 can have a downward pressure on the counterweight hammer cake 3, so that the counterweight hammer cake 3 can be tightly fixed on the ring groove 11 and the supporting plate 5, and tightly contact with the lower counterweight hammer cake 3, thereby improving the stability of installation.

[0037] Due to the above technical scheme, when the ramming construction process encounters the situation that the ramming energy level cannot be changed by adjusting the rammer drop distance, the ramming energy level can be adjusted by changing the weight of the rammer. The parts of the installation device are convenient to obtain, the installation device can be installed on site conveniently and quickly, the replacement of the hammer cake can be quickly performed after the installation of the device, the construction efficiency is improved, the working cycle and the operation cost are reduced, the hammer cake is stable and firm during the replacement of the hammer cake by the device, and the construction safety is ensured.

[0038] The embodiments of the present application are described in detail above, but the content described is only the preferred embodiments of the present application, and cannot be considered as limiting the scope of the present application. Any equivalent changes and improvements made according to the scope of the present application should still belong to the scope of the present application.

Claims

1. A weight adjustment device for a tamping hammer used in dynamic compaction construction, comprising a connecting seat, a fixing device, an adjusting plate, a pressure plate, and a ring groove, characterized in that: A connecting seat, wherein the connecting seat is provided with the annular groove and the adjusting plate; An adjusting plate is connected to the pressure plate, and the plate can be rotated to adjust the direction of the plate and drive the pressure plate to rotate. A pressure plate, wherein the pressure plate is connected to the annular groove via the fixing device; An annular groove, which mates with a connecting seat to hold the hammer disc; The hammer includes a lower hammer and a counterweight hammer; the connecting seat is provided with a placement layer, the placement layer is not less than two layers, the lower hammer and the counterweight hammer are placed on the placement layer, and the counterweight hammer can be replaced according to the number of layers of the placement layer. When the fixing device is connected to the annular groove, the annular groove can cooperate with the pressure plate to rotate and fix the hammer cake; when the fixing device is disconnected from the annular groove, the pressure plate rotates in the opposite direction and does not fix the hammer cake, allowing the hammer cake to be replaced and the weight of the tamping hammer to be adjusted. The connecting seat is provided with a limiting rod, which includes a T-shaped connecting rod, an arc-shaped insert rod, and a limiting screw. The T-shaped connecting rod can be rotated through the arc-shaped insert rod to limit the replacement of the hammer disc, and the limiting screw can limit the rotation range of the T-shaped connecting rod. The T-shaped connecting rod is set on the connecting seat, and the arc-shaped insert is fixed on the T-shaped connecting rod by the limiting screw. The arc-shaped insert can rotate on the T-shaped connecting rod. By rotating, the relative position between the arc-shaped insert and the hammer disc is adjusted. When fixing the hammer disc, the arc-shaped insert is fixed in the arc-shaped slot, so that the hammer disc is fixed while the crane completes the replacement of the hammer disc.

2. The weight adjustment device for a tamping hammer used in dynamic compaction construction according to claim 1, characterized in that: The connecting seat is provided with a support plate and a support rod. The support rod can cooperate with the adjusting plate to rotate the pressure plate, and the support plate can support the hammer cake when the pressure plate rotates.

3. The weight adjustment device for a tamping hammer used in dynamic compaction construction according to claim 1, characterized in that: The connecting seat is provided with a conical groove, which allows adjacent hammers to be quickly aligned during the replacement process.

4. The weight adjustment device for a tamping hammer used in dynamic compaction construction according to claim 1, characterized in that: The fixing device is provided with a locking screw and a locking sleeve. The locking sleeve is provided on the annular groove, and the locking screw is provided on the pressure plate. The locking screw can be connected and fixed with the locking sleeve.

5. A method for adjusting the weight of a tamping hammer as described in claim 1, characterized in that, The steps of the method include: The annular groove and the adjusting plate are installed on the connecting seat; The pressure plate is placed on the adjusting plate, and the fixing device is placed on the pressure plate; The pressure plate is connected to the annular groove by the fixing device. The adjustment plate is rotated to adjust the direction of the pressure plate, so that the hammer cake placed on the annular groove can move on the annular groove. After changing the hammer cake with different weights, the adjustment plate is rotated so that the pressure plate can fix the hammer cake, thus completing the adjustment of the hammer weight.

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