阅读说明：本技术 一种多功能岩石切削试验台 (Multifunctional rock cutting test bed ) 是由 刘增辉 马正阔 倪福生 魏长赟 顾磊 蒋爽 李洪彬 于 2019-10-29 设计创作，主要内容包括：本发明公开了一种多功能岩石切削试验台,包括底板、刀具模块和岩石模块。底板上的螺纹孔用于安装刀具模块和岩石模块。刀具模块的柱塞缸和柱塞杆可以实现刀具的伸缩以及单齿或多齿的直线切割,液压马达则可以实现旋转切割。岩石模块的电机通过一级齿轮减速装置和齿轮齿条装置来实现岩石的平移,四个柱塞缸和柱塞杆则可以实现岩石的升降与倾斜,压块、岩石固定板与螺栓、螺母、平垫片配合以实现岩石的固定。本发明刀具模块可以通过更换刀具以实现旋转切割和直线切割以及直线切割状态下的单齿切割和多齿切割,岩石模块则可以实现岩石的左右平移、上下伸缩和倾斜以及岩石的固定。(The invention discloses a multifunctional rock cutting test bed which comprises a bottom plate, a cutter module and a rock module. The threaded holes in the base plate are used for mounting the cutter modules and the rock modules. The plunger cylinder and the plunger rod of the cutter module can realize the extension and retraction of the cutter and the linear cutting of single tooth or multiple teeth, and the hydraulic motor can realize the rotary cutting. The motor of the rock module realizes the translation of the rock through a primary gear speed reducer and a gear rack device, the four plunger cylinders and the plunger rods can realize the lifting and the inclination of the rock, and the pressing block and the rock fixing plate are matched with the bolt, the nut and the flat gasket to realize the fixation of the rock. The cutter module can realize rotary cutting, linear cutting, single-tooth cutting and multi-tooth cutting in a linear cutting state by changing the cutter, and the rock module can realize left-right translation, up-down expansion and inclination of rock and fixation of the rock.)

1. The multifunctional rock cutting test bed is characterized by comprising a base plate, a cutter module and a rock module, wherein a threaded hole is drilled in the base plate and used for installing the cutter module and the rock module.

2. A multi-functional rock cutting test rig according to claim 1, wherein the tool module includes a support bracket bolted to the base plate, a tool feeder bolted to the support bracket, and a tool rotator bolted to the tool feeder.

3. The multifunctional rock cutting test bench of claim 2, wherein the cutter feeding means comprises a plunger cylinder, a plunger rod and a single-tooth cutter head screwed on the plunger rod, and the cutter rotating means comprises a hydraulic motor and a rotary cutter head; the cutter module can realize rotary cutting and linear cutting and single-tooth cutting and multi-tooth cutting in a linear cutting state through the cutter feeding device and the cutter rotating device.

4. A multi-functional rock cutting test rig according to claim 1, wherein the rock module includes a housing bolted to the base plate, a rock translation device mounted on the housing, a rock lifting and tilting device bolted to the rock translation device, and rock secured to the rock lifting and tilting device by a rock securing device.

5. A multi-functional rock cutting test rig according to claim 4, wherein the rock translation means includes sets of motors bolted to the housing, a primary gear reduction and a rack and pinion arrangement.

6. The multifunctional rock cutting test bed according to claim 5, wherein the primary gear reduction device comprises a first gear, a second gear and a long shaft, the first gear is meshed with the second gear, the long shaft is connected with the second gear, the first gear is driven by a motor and then drives the second gear to rotate, the long shaft rotates along with the second gear, the rack and pinion device comprises a third gear, a rack and a short shaft, the short shaft is connected with the third gear, and the third gear is meshed with the rack.

7. The multifunctional rock cutting test bed according to claim 6, wherein the rock lifting and tilting device comprises a rock fixing plate and a lower base plate, the lower base plate is fixed on the rack, a plurality of groups of plunger cylinder devices are arranged between the rock fixing plate and the lower base plate, the plunger cylinder devices comprise plunger cylinders arranged on the lower base plate, plunger rods sleeved in the plunger cylinders, round balls arranged above the plunger rods, and a rock fixing plate arranged above the round balls.

8. A multi-functional rock cutting test rig according to claim 7, wherein the rock securing means comprises a pressure block and rock bolted to the rock securing plate.

Technical Field

The invention relates to a multifunctional rock cutting test bed, and belongs to the technical field of rock cutting research equipment.

Background

With the rapid development of the shipping industry in China, the capital construction projects such as ports and channels are developed vigorously, so that the demand for dredging ships in China is increasing day by day. The cutter suction dredger and the drag suction dredger are two most commonly used dredging boat types, but have the problems of weak capability, low efficiency, serious abrasion and the like in the rock cutting process. However, as the port channel is gradually widened and deepened at home and abroad, the dredging engineering of rock substrate is continuously increased. Therefore, research on new rock cutting equipment is urgently needed to improve the rock dredging efficiency and reduce the rock dredging cost.

At present, most of the domestic dredging industry researches are large-scale test platforms, and the large-scale test platforms have complex structures, complex operation and higher cost; and the cutting is carried out on silt more, and the rock cutting cannot be realized. The rock cutting test bed used in the fields of coal mining and tunnel engineering has a single motion form and cannot meet the requirement of multi-degree-of-freedom motion of dredging equipment.

Disclosure of Invention

In order to overcome the defects in the prior art, the invention does not provide a multifunctional rock cutting experiment table, which can research the influence of factors such as cutter head types (a reamer head and a drag head), cutter tooth shapes (sharp teeth and wide teeth), cutter tooth arrangement (single teeth and multiple teeth), cutting modes (rotation and straight lines), cutting angles (horizontal and inclined) and the like on rock cutting, and finally achieve the purpose of optimizing a rock cutting device.

The invention aims to overcome the defects of complex structure, high cost, poor stability, poor cutting effect, overlarge dredging experiment platform and the like of a rock cutting device in the prior art, and provides a multifunctional rock cutting test bed.

The technical scheme is as follows:

a multifunctional rock cutting test bed comprises a base plate, a cutter module and a rock module, wherein a threaded hole is drilled in the base plate and used for installing the cutter module and the rock module.

The cutter module comprises a support frame fixed on the bottom plate through bolts, a cutter feeding device fixed on the support frame through bolts, and a cutter rotating device fixed on the cutter feeding device through bolts.

Further, the cutter feeding device comprises a plunger cylinder, a plunger rod and a single-tooth cutter head fixed on the plunger rod by screws, and the cutter rotating device comprises a hydraulic motor and a rotating cutter head.

The cutter module can realize rotary cutting and linear cutting and single-tooth cutting and multi-tooth cutting in a linear cutting state through the cutter feeding device and the cutter rotating device.

The rock module comprises a box body fixed on the bottom plate through bolts, a rock translation device installed on the box body in a bolt connection mode and the like, a rock lifting and inclining device fixed on the rock translation device through bolts, and rocks fixed on the rock lifting and inclining device through the rock fixing device.

Further, the rock translation device comprises a motor fixed on the box body through bolts, a primary gear reduction device and a gear rack device.

Further, one-level gear reduction unit includes gear one, gear two and major axis, gear one and gear two meshing, the major axis is connected with gear two, drives gear one through the motor, then drives gear two and rotates, and the major axis follows gear two and rotates simultaneously, gear rack device includes gear three, rack and minor axis, the minor axis is connected with gear three, gear three and rack toothing. The translation of the rock is achieved by a rock translation device.

Preferably, the rock lifting and tilting device comprises a rock fixing plate and a lower base plate, the lower base plate is fixed on the rack, a plurality of groups of plunger cylinder devices are arranged between the rock fixing plate and the lower base plate, each plunger cylinder device comprises a plunger cylinder arranged on the lower base plate, a plunger rod sleeved in the plunger cylinder, a round ball arranged above the plunger rod, and a rock fixing plate arranged above the round ball.

Further, the rock fixing device includes a pressing block and a rock fixed on the rock fixing plate by bolts. The fixation of the rock is achieved by means of a rock fixation device.

Compared with the prior art, the invention has the following beneficial effects:

the cutter module can realize rotary cutting, linear cutting, single-tooth cutting and multi-tooth cutting in a linear cutting state by changing the cutter, and the rock module can realize left-right translation, up-down expansion and inclination of rock and fixation of the rock. The influence of factors such as the shape of a cutter, the arrangement of cutter teeth, the cutting mode and the like on the rock cutting is researched through the functions, and the aim of optimizing the rock cutting device and the miniaturized dredging experiment platform is finally achieved.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic structural view of a cutter module of the present invention;

FIG. 3 is a schematic structural view of a rock module of the present invention;

FIG. 4 is a schematic view of the cutter of the present invention in a single-tooth linear cutting mode;

FIG. 5 is a schematic view of the construction of the one-stage gear reduction unit;

FIG. 6 is a schematic structural view of the rack and pinion device;

FIG. 7 is a schematic view of the construction of the rock lifting and tilting device;

fig. 8 is a schematic view of the construction of the rock fastening means.

In the figure: 1: bottom plate, 2: tool module, 3: a rock module, 2-1: a support frame, 2-2: plunger cylinder, 2-3: plunger rod, 2-4: hydraulic motor, 2-5: rotating tool bit, 2-6 single-tooth tool bit, 3-1: box body, 3-2: motor, 3-3: gear one, 3-4: gear two, 3-5: major axis, 3-6: minor axis, 3-7: gear three, 3-8: rack, 3-9: a lower base plate; ,3-10: plunger rod, 3-11: rock fixing plate, 3-12: briquetting, 3-13: a rock; 3-14: a ball; 3-15: a plunger cylinder.

Detailed Description

The invention is further described below with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and the protection scope of the present invention is not limited thereby.

As shown in figure 1, the multifunctional rock cutting test bed comprises a base plate 1, a cutter module 2 and a rock module 3, wherein a threaded hole is drilled in the base plate 1 and used for installing the cutter module 2 and the rock module 3.

As shown in fig. 2, the tool module 2 includes a support frame 2-1 fixed to the base plate by bolts, a tool feeding device fixed to the support frame 2-1 by bolts, and a tool rotating device fixed to the tool feeding device by bolts.

The cutter feeding device comprises a plunger cylinder 2-2, a plunger rod 2-3 and a single-tooth cutter head 2-6 fixed on the plunger rod 2-3 through screws, and the cutter rotating device comprises a hydraulic motor 2-4 and a rotating cutter head 2-5. The feeding of the cutter is realized through the cooperation of the plunger cylinder and the plunger rod, and the rotation of the cutter is realized through a hydraulic motor.

The cutter module 2 can realize rotary cutting and linear cutting and single-tooth cutting and multi-tooth cutting in a linear cutting state by the cutter feeding device and the cutter rotating device. The rotary cutting state is shown as 2, the single-tooth linear cutting state is shown as 4, and the multi-tooth linear cutting state is that a plurality of single-tooth tool bits 2-6 are arranged on the plunger rod 2-3 in the single-tooth linear cutting state.

As shown in fig. 3, the rock module 3 includes a housing 3-1 bolted to the base plate 1, a rock translation means mounted to the housing 3-1 by bolting or the like, a rock lifting and tilting means bolted to the rock translation means, and rocks 3-13 fixed to the rock lifting and tilting means by the rock fixing means.

The rock translation device comprises a motor 3-2, a primary gear reduction device and a gear rack device, wherein the motor 3-2 is fixed on the box body 3-1 through bolts.

As shown in fig. 5 and 6, the primary gear reduction device comprises a first gear 3-3, a second gear 3-4 and a long shaft 3-5, wherein the first gear 3-3 is meshed with the second gear 3-4, the long shaft 3-5 is connected with the second gear 3-4, the first gear 3-3 is driven by a motor 3-2, then the second gear 3-4 is driven to rotate, and the long shaft 3-5 and the second gear 3-4 rotate simultaneously. The rack and pinion arrangement includes a pinion gear three 3-7, a rack gear 3-8, and a stub shaft 3-6. The short shaft 3-6 is connected with a gear three 3-7, and the gear three 3-7 is meshed with the rack 3-8. The translation of the rocks 3-13 is achieved by rock translation means. When the rock 13 needs to be translated to the left (right), the left (right) motor 3-2 is activated.

As shown in fig. 7, the rock lifting and tilting device comprises a rock fixing plate 3-11 and a lower base plate 3-9, the lower base plate 3-9 is fixed on a rack 3-8, a plurality of sets of plunger cylinder devices are arranged between the rock fixing plate 3-11 and the lower base plate 3-9, the plunger cylinder devices comprise plunger cylinders 3-15 arranged on the lower base plate, plunger rods 3-10 sleeved in the plunger cylinders 3-15, round balls 3-14 arranged above the plunger rods 3-10, and rock fixing plates 3-11 above the round balls 3-14. The lifting and tilting of the rocks 3-13 is achieved by means of rock lifting and tilting devices. The lifting of the rocks 3-13 is realized by synchronous stretching of the four plunger cylinders, and the inclination angle of the rocks 3-13 is adjusted by asynchronous stretching of the four plunger cylinders.

As shown in fig. 8, the rock fixing device includes a pressing block 3-12 and a rock 3-13 fixed to a rock fixing plate 3-11 by bolts. The fixation of the rocks 3-13 is achieved by means of rock fixation means.

Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes and modifications may be made without departing from the spirit and scope of the invention, and that such changes and modifications are to be considered as within the scope of the invention.