High-frequency impact hammer construction simulation device

Abstract

The invention discloses a high-frequency impact hammer construction simulation device, which comprises a frame body, a supporting mechanism, a fixing mechanism and a hammering mechanism, and is characterized in that the frame body comprises a bottom plate, a top plate and vertical rods, and the top plate is arranged above the bottom plate and is fixedly connected with the bottom plate through the plurality of vertical rods; the supporting mechanism is connected with the bottom plate and comprises a placing plate, the placing plate has a first state parallel to the bottom plate and a second state forming an included angle with the bottom plate, the fixing mechanism is connected with the bottom plate and used for fixing a rock sample placed on the placing plate, and the hammering mechanism is connected with the top plate. The hammering mechanism is used for vibrating and impacting the rock sample. The problem that the construction environment of the rock under the vibration condition is difficult to simulate in the prior art is solved.

Description

Technical Field

[0001] The invention relates to the technical field of high-frequency impact hammers, and in particular to a high-frequency impact hammer construction simulation device. Background Art

[0002] Rock hammer reef removal is a low-pollution and high-efficiency reef removal method in the process of port channel dredging. However, there are few studies on the damage law of rocks under the high-frequency impact of rock hammers, and there is insufficient research on the factors affecting the reef removal effect of high-frequency rock hammers.

[0003] In civil engineering, mining and construction, high-frequency impact hammers are widely used to break hard materials such as rocks and concrete. However, due to the complexity and variability of high-frequency vibrations, traditional construction simulation devices are difficult to fully reproduce the high-frequency impact environment in actual construction, resulting in a large deviation between research data and actual construction results. In addition, high-frequency vibrations will also have a great impact on equipment and the surrounding environment, increasing the uncertainty and risk in the construction process. Therefore, there is an urgent need for a high-frequency impact hammer construction simulation device to conduct more in-depth research and optimization, and improve construction efficiency and safety. Summary of the invention

[0004] The purpose of the present invention is to overcome the above technical deficiencies and provide a high-frequency impact hammer construction simulation device to solve the problem in the prior art that it is difficult to simulate the construction environment of rocks under vibration conditions.

[0005] In order to achieve the above technical objectives, the present invention adopts the following technical solutions: The present invention provides a high-frequency impact hammer construction simulation device, comprising: A frame, the frame comprising a bottom plate, a top plate and vertical rods, the top plate is arranged above the bottom plate and is fixedly connected to the bottom plate via a plurality of vertical rods; A supporting mechanism, the supporting mechanism is connected to the bottom plate, the supporting mechanism comprises a placing plate, the placing plate can form a first state parallel to the bottom plate, and a second state forming an angle with the bottom plate; A fixing mechanism, the fixing mechanism is connected to the bottom plate, and the fixing mechanism is used to fix the rock sample placed on the placement plate; and A hammer mechanism is connected to the top plate and is used for vibrating and impacting the rock sample.

[0006] In some embodiments, one side of the placement plate is hinged to the base plate, and the support mechanism further includes an adjustment member, which is detachably disposed between the base plate and the placement plate, and is used to drive the placement plate to switch between the first state and the second state.

[0007] In some embodiments, the adjusting member includes a pad and a locking rod. A plurality of threaded holes are provided on the base plate at intervals between the opposite sides corresponding to the mounting plate. A connecting hole is provided on the pad. The locking rod is passed through the connecting hole and screwed into the threaded hole to fix the pad to the base plate.

[0008] In some embodiments, the fixing mechanism includes a driving member and a pressure block, the two driving members are fixed on the base plate, the output ends of the two driving members are respectively connected to the two pressure blocks, and the two driving members can respectively drive the two pressure blocks to approach each other to clamp the rock sample.

[0009] In some embodiments, the driving member includes a connecting plate, a threaded screw and a rotating handwheel, the connecting plate is fixedly connected to the base plate, the threaded screw is threadedly rotatably connected to the connecting plate, one end of the threaded screw is fixedly connected to the pressure block, and the rotating handwheel is fixedly connected to the other end of the threaded screw.

[0010] In some embodiments, the hammering mechanism includes a mounting seat, a driving motor, a turntable, a transmission rod, a guide rod and a hammer head. The mounting seat is movably connected to the top plate, the driving motor is fixed in the mounting seat, the output end of the driving motor is fixedly connected to the center of the turntable, one end of the transmission rod is eccentrically and rotationally connected to the turntable, the other end of the transmission rod is hinged to one end of the guide rod, the guide rod is slidably connected to the mounting seat and the other end is fixedly connected to the hammer head.

[0011] In some embodiments, a vibration reduction mechanism is further included, wherein the vibration reduction mechanism is fixedly connected to the top plate, and the mounting seat is connected to the vibration reduction mechanism.

[0012] In some embodiments, the vibration reduction mechanism includes a fixing plate, a connecting rod and a plurality of elastic members, the fixing plate is fixed in parallel above the top plate via the plurality of connecting rods, and the mounting seat is movably connected to the fixing plate via a plurality of elastic members.

[0013] In some embodiments, a control mechanism is further included, wherein the control mechanism is electrically connected to the drive motor and is used to control the rotation speed of the drive motor.

[0014] In some embodiments, a limit stop block is provided on the upper end surface of one side of the placement plate, and a support block is provided on the lower end surface of the other side of the placement plate, and when the support block abuts against the bottom plate, the placement plate is in a first state parallel to the bottom plate.

[0015] Compared with the prior art, the present invention provides a high-frequency impact hammer construction simulation device, wherein a top plate is arranged above a bottom plate and is fixedly connected to the bottom plate via a plurality of vertical rods, a supporting mechanism is connected to the bottom plate, the supporting mechanism comprises a placing plate, the placing plate can form a first state parallel to the bottom plate, and a second state forming an angle with the bottom plate, a fixing mechanism is connected to the bottom plate, and a hammering mechanism is connected to the top plate, and a rock sample placed on the placing plate is fixed by the fixing mechanism to ensure that the rock sample will not be displaced or loosened under the high-frequency vibration of the hammering mechanism, and at the same time, the placing plate can switch between the first state and the second state, ensuring that the rock sample placed on the placing plate can be subjected to simulation experiments with the hammering mechanism at different contact angles. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a structural schematic diagram of a high-frequency impact hammer construction simulation device provided by an embodiment of the present invention; Figure 2 It is a side view of a high-frequency impact hammer construction simulation device provided by an embodiment of the present invention; Figure 3 It is a front view of a high-frequency impact hammer construction simulation device provided by an embodiment of the present invention; Figure 4 is a structural schematic diagram of a support mechanism provided by an embodiment of the present invention; Figure 5 is a structural schematic diagram of a fixing mechanism provided by an embodiment of the present invention; Figure 6 It is a structural schematic diagram of the hammer mechanism provided by an embodiment of the present invention. DETAILED DESCRIPTION

[0017] In order to make the purpose, technical solution and advantages of the present invention more clearly understood, the present invention is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention and are not used to limit the present invention.

[0018] In order to solve the technical problem in the prior art that it is difficult to simulate the construction environment of rock under vibration conditions, the present invention provides a high-frequency impact hammer construction simulation device, which can fix the rock sample and adjust the contact angle between the rock sample and the hammer mechanism.

[0019] See also Figure 1-Figure 6 , Figure 1-Figure 6A high-frequency impact hammer construction simulation device in one embodiment of the present invention comprises a frame 1, a supporting mechanism 2, a fixing mechanism 3 and a hammering mechanism 4, wherein the frame 1 comprises a bottom plate 11, a top plate 12 and vertical rods 13, wherein the top plate 12 is arranged above the bottom plate 11 and is fixedly connected to the bottom plate 11 via a plurality of vertical rods 13; the supporting mechanism 2 is connected to the bottom plate 11, and the supporting mechanism 2 comprises a placing plate 21, wherein the placing plate 21 can form a first state parallel to the bottom plate 11 and a second state forming an angle with the bottom plate 11; the fixing mechanism 3 is connected to the bottom plate 11, and the fixing mechanism 3 is used to fix a rock sample placed on the placing plate 21; the hammering mechanism 4 is connected to the top plate 12, and the hammering mechanism 4 can vibrate and impact the rock sample.

[0020] In this specific embodiment, one side of the placement plate 21 is hinged to the base plate 11, and the support mechanism 2 also includes an adjusting member 22, which is detachably arranged between the base plate 11 and the placement plate 21, and the adjusting member 22 is used to drive the placement plate 21 to switch between the first state and the second state.

[0021] It should be noted that, when the adjusting member 22 is disassembled and separated from the base plate 11, the placing plate 21 can be in a first state parallel to the base plate; when the adjusting member 22 is fixedly connected to the base plate 11, and the closer the adjusting member 22 is to the side where the placing plate 21 and the base plate are hinged, the greater the angle formed between the placing plate 21 and the base plate 11.

[0022] It should be noted that the adjusting member 22 is not limited to a specific structure, as long as it can drive the placing plate 21 to flip, and no further details are given here.

[0023] In this specific embodiment, the adjusting member 22 includes a cushion block 221 and a locking rod 222. A plurality of threaded holes are provided on the base plate 11 at intervals between the opposite sides corresponding to the mounting plate 21. A connecting hole is provided on the cushion block 221. The locking rod 222 is passed through the connecting hole and screwed into the threaded hole to fix the cushion block 221 to the base plate 11, wherein the locking rod 222 is a bolt. On the basis of the above scheme, a limit stop block 211 is provided on the upper end surface of one side of the placing plate 21. When the rock sample is placed on the placing plate, one side of the rock sample can be blocked by the limit stop block 211. A support block 212 is provided on the lower end surface of the other side of the placing plate 21. When the support block 212 abuts against the bottom plate 11, the placing plate 21 is in a first state parallel to the bottom plate 11.

[0024] In this specific embodiment, the fixing mechanism 3 includes a driving member 31 and a pressure block 32. The two driving members 31 are fixed on the base plate 11. The output ends of the two driving members 31 are respectively connected to the two pressure blocks 32. The two driving members 31 can respectively drive the two pressure blocks 32 to approach each other to clamp the rock sample.

[0025] It should be noted that the driving member 31 includes a connecting plate 311, a threaded screw 312 and a rotating handwheel 313. The connecting plate 311 is fixedly connected to the base plate 11, the threaded screw 312 is threadedly rotatably connected to the connecting plate 311, one end of the threaded screw 312 is fixedly connected to the pressure block 32, and the rotating handwheel 313 is fixedly connected to the other end of the threaded screw 312.

[0026] Specifically, the two pressing blocks 32 can be driven to move closer or farther away by rotating the two threaded screws 312 respectively, which can be suitable for fixing rock samples of different sizes.

[0027] In this specific embodiment, the hammer mechanism 4 includes a mounting seat 41, a drive motor 42, a turntable 43, a transmission rod 44, a guide rod 45 and a hammer head 46. The mounting seat 41 is movably connected to the top plate 12, the drive motor 42 is fixed in the mounting seat 41, the output end of the drive motor 42 is fixedly connected to the center of the turntable 43, one end of the transmission rod 44 is eccentrically and rotationally connected to the turntable 43, the other end of the transmission rod 44 is hinged to one end of the guide rod 45, the guide rod 45 is slidably connected to the mounting seat 41 and the other end is fixedly connected to the hammer head 46, wherein the hammer head 46 is made of high-strength, wear-resistant material, and its shape and size can be adjusted according to construction requirements.

[0028] Specifically, when the turntable 43 is driven to rotate by the driving motor 42, the transmission rod 44 can convert the rotational force of the turntable 43 into a sliding force of the guide rod 45 relative to the mounting seat 41, thereby driving the hammer head 46 to continuously impact the rock sample.

[0029] On the basis of the above scheme, in order to reduce the impact of high-frequency vibration on the device and the surrounding environment, the vibration reduction mechanism 5 is fixed to the top plate 12, and the mounting seat 41 is connected to the vibration reduction mechanism 5. The vibration reduction mechanism 5 can effectively absorb and dissipate vibration energy, ensuring the stability of the device and the accuracy of the experimental data.

[0030] The vibration reduction mechanism 5 includes a fixing plate 51 , a connecting rod 52 and a plurality of elastic members 53 . The fixing plate 51 is fixed in parallel above the top plate 12 via the plurality of connecting rods 52 . The mounting seat 41 is movably connected to the fixing plate 51 via the plurality of elastic members 53 .

[0031] Specifically, the elastic member 53 includes a sliding rod, a spring and a locking block. One end of the sliding rod is fixedly connected to the mounting seat 41. The sliding rod is slidably inserted into the fixing plate 51 and the other end is fixedly connected to the locking block. The spring is sleeved on the sliding rod and is located between the fixing plate 51 and the mounting seat 41.

[0032] It should be noted that it also includes a control mechanism, which is electrically connected to the drive motor 42, wherein the control mechanism is controlled by a single-chip microcomputer, and the rotational speed of the drive motor is adjusted by generating a PWM signal to achieve free setting and precise adjustment of the impact frequency; in addition, the impact frequency and the vibration state of the equipment can be monitored in real time through an acceleration sensor, and the data can be fed back to the single-chip microcomputer, and the single-chip microcomputer dynamically adjusts the output signal in combination with a closed-loop control algorithm to ensure the stability of the impact frequency; at the same time, the target frequency can be set and parameters adjusted through the human-computer interaction interface, and the display screen of the human-computer interaction interface displays the current frequency, set frequency and vibration state in real time, and can achieve intelligent regulation according to load changes or environmental disturbances, effectively improving the operating accuracy and reliability of the test device, and is suitable for high-precision impact experiments and multi-scenario construction needs.

[0033] The specific implementation of the present invention described above does not constitute a limitation on the protection scope of the present invention. Any other corresponding changes and modifications made based on the technical concept of the present invention should be included in the protection scope of the claims of the present invention.

Claims

1. A high-frequency impact hammer construction simulation device, characterized in that: include: A frame, the frame comprising a bottom plate, a top plate and vertical rods, the top plate is arranged above the bottom plate and is fixedly connected to the bottom plate via a plurality of vertical rods; A supporting mechanism, the supporting mechanism is connected to the bottom plate, the supporting mechanism comprises a placing plate, the placing plate can form a first state parallel to the bottom plate, and a second state forming an angle with the bottom plate; A fixing mechanism, the fixing mechanism is connected to the bottom plate, and the fixing mechanism is used to fix the rock sample placed on the placement plate; and A hammer mechanism is connected to the top plate and is used for vibrating and impacting the rock sample.

2. A high-frequency impact hammer construction simulation device according to claim 1, characterized in that: One side of the placement plate is hinged to the bottom plate, and the support mechanism further includes an adjusting member, which is detachably arranged between the bottom plate and the placement plate, and is used to drive the placement plate to switch between the first state and the second state.

3. A high-frequency impact hammer construction simulation device according to claim 2, characterized in that: The adjusting member includes a cushion block and a locking rod. A plurality of threaded holes are arranged on the base plate at intervals between the two opposite sides corresponding to the mounting plate. A connecting hole is opened on the cushion block. The locking rod is passed through the connecting hole and screwed into the threaded hole to fix the cushion block to the base plate.

4. A high-frequency impact hammer construction simulation device according to claim 1, characterized in that: The fixing mechanism comprises a driving member and a pressing block. The two driving members are fixed on the base plate. The output ends of the two driving members are respectively connected to the two pressing blocks. The two driving members can respectively drive the two pressing blocks to approach each other to clamp the rock sample.

5. A high-frequency impact hammer construction simulation device according to claim 4, characterized in that: The driving member includes a connecting plate, a threaded screw and a rotating handwheel, the connecting plate is fixedly connected to the base plate, the threaded screw is threadedly rotatably connected to the connecting plate, one end of the threaded screw is fixedly connected to the pressure block, and the rotating handwheel is fixedly connected to the other end of the threaded screw.

6. A high-frequency impact hammer construction simulation device according to claim 1, characterized in that: The hammer mechanism includes a mounting seat, a driving motor, a turntable, a transmission rod, a guide rod and a hammer head. The mounting seat is movably connected to the top plate, the driving motor is fixed in the mounting seat, the output end of the driving motor is fixedly connected to the center of the turntable, one end of the transmission rod is eccentrically and rotationally connected to the turntable, the other end of the transmission rod is hinged to one end of the guide rod, the guide rod is slidably connected to the mounting seat and the other end is fixedly connected to the hammer head.

7. A high-frequency impact hammer construction simulation device according to claim 6, characterized in that: It also includes a vibration reduction mechanism, which is fixed to the top plate, and the mounting seat is connected to the vibration reduction mechanism.

8. A high-frequency impact hammer construction simulation device according to claim 7, characterized in that: The vibration reduction mechanism comprises a fixing plate, a connecting rod and a plurality of elastic members. The fixing plate is fixedly arranged above the top plate in parallel via the plurality of connecting rods, and the mounting seat is movably connected to the fixing plate via a plurality of elastic members.

9. A high-frequency impact hammer construction simulation device according to claim 6, characterized in that: It also includes a control mechanism, which is electrically connected to the drive motor and is used to control the rotation speed of the drive motor.

10. A high-frequency impact hammer construction simulation device according to claim 2, characterized in that: A limit stopper is provided on the upper end surface of one side of the placing plate, and a support block is provided on the lower end surface of the other side of the placing plate. When the support block abuts against the bottom plate, the placing plate is in a first state parallel to the bottom plate.

Images