Multi-drill-rod rock body drilling device and rock body crushing device

Abstract

The utility model provides a multi-drill-rod rock body drilling device and a rock body crushing device. The rock body crushing drilling device comprises a mounting bottom plate and a connecting sleeve body, wherein a plurality of mounting holes are formed in the mounting bottom plate, and a crushing and drilling assembly is arranged in each mounting hole; the multi-drill-rod rock body drilling device has the advantages that a proper number of drill rods can be installed on the drilling installation disc according to the characteristics of a cavern, and the drilling angle and the drilling position can be accurately controlled; the rock mass breaking device can control a rock breaking impact hammer to conduct impact rock breaking on drilled surrounding rock and conduct local excavation operation on a hard rock stratum cavern, the excavation contour line can be accurately controlled in the process, clamping use of rock mass can be reduced, surrounding rock stress can be released in advance, the rock burst phenomenon is effectively prevented and relieved, and the rock drilling efficiency is improved. And the safety of an underground construction project is ensured.

Description

Technical Field

[0001] The utility model relates to the technical field of tunnel and cavern excavation equipment, in particular to a multi-drill rod rock drilling device and a rock crushing device. Background Art

[0002] With the continuous development of my country's economy, in order to alleviate the current situation of urban space resource shortage and improve the comprehensive benefits of transportation, underground construction projects are gradually increasing. At present, the more mature underground space construction technologies mainly include blasting, shield, full-section tunnel boring machine (TBM) and other excavation methods. However, in the face of the construction of urban underground transportation lines, blasting excavation has a great disturbance to the surrounding buildings, and it is easy to cause environmental pollution and traffic interference. The use of shield machines and TBMs is suitable for long-distance construction operations, but cannot adapt to the expansion of tunnels or caverns and accurately control the location of rock mass fragmentation during excavation. It cannot solve the problem of local excavation of caverns, especially local excavation in hard rock formations. In this case, the use of ordinary mechanical excavation and manual excavation faces the problems of low construction efficiency and low safety. Utility Model Content

[0003] In view of this, the utility model provides a multi-drill rod rock drilling device, comprising a mounting base plate and a connecting sleeve;

[0004] The mounting base plate is provided with a plurality of mounting holes, each of which is provided with a crushing drilling assembly;

[0005] The crushing drilling assembly includes a driver, a rotating sleeve, a drill rod and a fixing ring, the driver is fixed to the mounting base plate, the rotating sleeve is rotatably mounted in the mounting hole, the rotating sleeve is connected to the driver, a limiting groove is arranged in the rotating sleeve, two ends of the drill rod are respectively a drilling end and a connecting end, a limiting protrusion is arranged on the side wall of the connecting end, the connecting end is located in the rotating sleeve, and the limiting protrusion is limited in the limiting groove, so that the drill rod can be synchronously rotatably connected to the rotating sleeve, the fixing ring is sleeved outside the drill rod and connected to the end of the rotating sleeve, so that the connecting end of the drill rod is locked on the rotating sleeve.

[0006] The connecting sleeve is sleeved outside the mounting base plate, and the edge of the mounting base plate is connected to the end of the connecting sleeve. The driver is used to drive the rotating sleeve and the drill rod to rotate, so as to drill holes in the rock mass to be broken.

[0007] Furthermore, a mounting sleeve is provided in each mounting hole, and the rotating sleeve is rotatably mounted in the mounting sleeve via a bearing.

[0008] Furthermore, the mounting base plate is a circular plate.

[0009] Furthermore, the mounting holes include a central mounting hole and edge mounting holes, the central mounting hole is located at the center of the mounting base plate, and the edge mounting holes are evenly arranged around the central mounting hole.

[0010] Furthermore, the connecting sleeve body includes a tube sleeve portion and a cone sleeve portion, the mounting base is mounted on one end of the tube sleeve portion, the other end of the tube sleeve portion is connected to the thicker end of the cone sleeve portion, and the thinner end of the cone sleeve portion is provided with at least two hinged seats.

[0011] Furthermore, the fixing ring sleeve is provided with a plurality of fastening bolts, and the fixing ring sleeve is fixed to the rotating sleeve by the fastening bolts.

[0012] The utility model also provides a rock breaking device, which comprises the above-mentioned multi-drill rod rock drilling device, a crawler vehicle body, a rock breaking impact hammer and a hydraulic arm, wherein the multi-drill rod rock drilling device is hinged to the end of the hydraulic arm.

[0013] Furthermore, a hydraulic lifting platform is provided on the crawler vehicle body, and the rock breaking impact hammer is horizontally arranged on the hydraulic lifting platform. The hydraulic lifting platform is used to drive the rock breaking impact hammer to rise and fall, and the rock breaking impact hammer is used to impact and break the rock mass to be broken.

[0014] Furthermore, the rock breaking impact hammer includes an impact driver and an impact hammer body, the impact hammer body includes a hammer rod and an impact cone head, and a plurality of exhaust grooves are provided on the hammer rod.

[0015] Furthermore, the exhaust groove extends from the hammer body to the conical surface of the impact cone head.

[0016] The utility model discloses a multi-drill rod rock drill and a rock crushing device, the multi-drill rod rock drill comprises a mounting base plate and a connecting sleeve; the mounting base plate is provided with a plurality of mounting holes, each mounting hole is provided with a crushing drilling assembly; and the multi-drill rod rock drill is mounted on a hydraulic arm on a crawler vehicle body to form the rock crushing device, the crushing drill can install a suitable number of drill rods on the drilling mounting plate according to the characteristics of the cavern, and accurately control the drilling angle; after the drilling is completed, the rock crushing device can control the rock breaking impact hammer to impact and break the rock on the drilled surrounding rock, and perform local excavation operations on the hard rock formation cavern. The process can accurately control the excavation contour line, reduce the clamping effect of the surrounding rock, release the surrounding rock stress in advance, effectively prevent and alleviate the occurrence of rock burst, improve the rock drilling efficiency, and be conducive to the safe and efficient development of underground construction projects. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 The utility model is a schematic diagram of the overall structure of a multi-drill rod rock drilling device and a rock crushing device according to an embodiment of the utility model.

[0018] Figure 2 The utility model is a schematic structural diagram of a mounting base plate of a multi-drill rod rock drill according to an embodiment of the present utility model.

[0019] Figure 3 The utility model is a schematic structural diagram of a crushing drilling assembly on a mounting base plate of a multi-drill rod rock drill according to an embodiment of the utility model.

[0020] Figure 4 yes Figure 4 Cross-sectional view of the installation structure of the medium crushing drilling group.

[0021] Figure 5 yes Figure 1 Schematic diagram of the structure of the impact hammer body.

[0022] In the figure: 1-crawler body, 2-hydraulic arm, 3-connecting sleeve, 31-cone sleeve part, 32-cylinder sleeve part, 4-mounting base plate, 41-driver, 42-mounting seat, 43-rotating sleeve, 44-mounting sleeve, 45-bearing, 5-drill rod, 51-fixing ring sleeve, 52-fastening bolt, 6-rock breaking impact hammer, 61-impact hammer body, 62-impact cone head, 63-exhaust groove. DETAILED DESCRIPTION

[0023] In order to make the purpose, technical solution and advantages of the utility model clearer, the implementation mode of the utility model will be further described below in conjunction with the accompanying drawings.

[0024] Please refer to Figures 1 to 4 The utility model provides a multi-drill rod rock drill and a rock crushing device having the multi-drill rod rock drill, wherein the multi-drill rod rock crushing drill comprises a mounting base plate 4 and a connecting sleeve 3.

[0025] The mounting base plate 4 is a circular plate made of steel, and a plurality of mounting holes are arranged on the circular steel plate, and a crushing drilling assembly is arranged in each mounting hole. In this embodiment, the mounting holes include a central mounting hole and an edge mounting hole, and the central mounting hole is located at the center of the mounting base plate 4, and the edge mounting holes are evenly arranged around the central mounting hole, that is, the centers of all edge mounting holes are on the same circle, and the spacings between adjacent edge mounting holes are equal, and the number of mounting holes and crushing drilling assemblies is 9.

[0026] The crushing drilling assembly includes a driver 41, a rotating sleeve 43, a drill rod 5 and a fixing ring. The driver 41 is fixed on the mounting base plate 4. The driver 41 is fixed on the mounting base plate 4 through a mounting seat 42. The rotating sleeve 43 is rotatably mounted in the mounting hole. The rotating sleeve is connected to the driver 41. A limiting groove is provided in the rotating sleeve. The two ends of the drill rod 5 are respectively a drilling end and a connecting end. The connecting end of the drill rod is detachably connected to the rotating sleeve 43. Specifically, a limiting protrusion is provided on the side wall of the connecting end. The connecting end is located in the rotating sleeve 43, and the limiting protrusion is limited in the limiting groove, so that the drill rod 5 can be synchronously rotatably connected to the rotating sleeve 43. The fixing ring sleeve 51 is outside the drill rod 5 and connected to the end of the rotating sleeve 43, so as to lock the connecting end of the drill rod to the rotating sleeve 43. In this embodiment, a plurality of fastening bolts 52 are provided on the fixing ring sleeve 51, and the fixing ring sleeve 51 is fixed to the rotating sleeve by the fastening bolts 52.

[0027] The connecting sleeve 3 is sleeved outside the mounting base plate, and the connecting sleeve 3 encloses all drivers 41 in the connecting sleeve 3, so that the drivers 41 can be protected. In this embodiment, the driver 41 is a driving motor, and the driving motor is used to drive the drill rod connected to it through the rotating sleeve 43 to rotate so that the drill rod drills a hole in the rock mass to be broken. All the crushing and drilling components can work independently without being affected by other crushing and drilling components.

[0028] The multi-drill-rod rock drill has multiple independently working crushing and drilling assemblies, which can drill multiple holes on the rock to be crushed at the same time. Since the drill rods 5 of all the crushing and drilling assemblies are detachably connected to the rotating sleeve 43 of the crushing and drilling assemblies, the multi-drill-rod rock drill can select the crushing and drilling assembly at a specific position to install the drill rod 5 (the drill rods 5 of the crushing and drilling assemblies at other positions are removed), and drill multiple holes at required positions at one time. The connecting line of the centers of multiple holes constitutes an excavation contour line, thereby pre-crushing the rock to be crushed, and subsequently using the rock breaker impact hammer 6 to hammer the rock part outside the drilling excavation contour line, so that the rock to be crushed can be accurately crushed, and the disturbance to surrounding buildings during the rock crushing process can be reduced, thereby improving the safety of surrounding rock crushing.

[0029] Preferably, a mounting sleeve 44 is provided in each mounting hole, and the rotating sleeve can be rotatably mounted in the mounting sleeve 44 through a bearing 45, so that the rotating sleeve can be rotatably mounted in the mounting hole, and the rotating sleeve is used to ensure the stability of the rotating sleeve in the mounting hole.

[0030] Preferably, the connecting sleeve 3 comprises a sleeve portion 32 and a cone sleeve portion 31, the mounting base is mounted on one end of the sleeve portion 32, the other end of the sleeve portion 32 is connected to the thicker end of the cone sleeve portion 31, and the thinner end of the cone sleeve portion 31 is provided with at least two hinge seats. The thinner end of the cone sleeve portion 31 is used to be mounted on the hydraulic arm 2 of the rock crushing device.

[0031] Please refer to Figures 1 to 5 In addition to the above-mentioned multi-drill rod rock drill, the rock breaking device of the utility model also includes a crawler body 1, a rock breaking impact hammer 6 and a hydraulic arm 2, wherein the crawler body 1 and the hydraulic arm 2 can both adopt an engineering vehicle structure (such as the body and hydraulic arm of an excavator), and the hydraulic arm 2 is a multi-section hydraulic arm 2, and the end of the hydraulic arm 2 and the hydraulic rod thereon are respectively connected to the two hinged seats of the cone sleeve part 31 in a hinged manner, so that it can be ensured that the hydraulic arm 2 can drive the drill to move, and can adjust the angle of the drill rod 5 on the multi-drill rod rock drill, so that the drill rod 5 on the installation base plate can drill out the required excavation contour line.

[0032] Preferably, a hydraulic lifting platform is further provided on the crawler vehicle body 1, and the rock breaking hammer 6 is horizontally arranged on the hydraulic lifting platform, and the hydraulic lifting platform is used to drive the rock breaking hammer 6 to rise and fall, and the rock breaking hammer 6 is used to impact and break the rock mass to be broken. The hydraulic lifting platform is a prior art, and its structure is not introduced here.

[0033] Furthermore, the rock breaking impact hammer 6 includes an impact driver and an impact hammer body 61, the impact hammer body 61 includes a hammer rod and an impact cone head 62, the hammer rod is provided with a plurality of exhaust grooves 8, the exhaust grooves extend from the impact hammer body 61 to the conical surface of the impact cone head 62, and the exhaust grooves 8 can effectively prevent the impact hammer body 61 from being embedded in the rock mass during the rock drilling process, generating negative pressure and being difficult to pull out.

[0034] The working process of the rock crushing device of the present invention is as follows: the driver drives the crawler vehicle body to move to the construction position where rock drilling and excavation are required, determines the excavation contour line according to the required rock breaking position, selects the position of the crushing drilling assembly where the drill rod 5 needs to be installed according to the excavation contour line, and installs the corresponding drill rod 5 on the rotating sleeve of the crushing drilling assembly; the driver controls the hydraulic arm 2 to move the crushing drill to the specified position, the corresponding crushing drilling assembly on the crushing drill is started, and multiple holes are drilled at the same time to form the required excavation contour line. After the drilling operation is completed, the driver controls the crawler vehicle body to move to the front of the surrounding rock to be crushed, lifts the rock breaking impact hammer 6 to a suitable position through the hydraulic lifting platform, and then starts the rock breaking impact hammer 6 to chisel and crush the rock until the rock outside the excavation contour line falls off, thereby achieving an accurate local rock breaking process for the rock to be crushed.

[0035] In this document, the directional words such as front, back, top, and bottom are defined by the positions of the components in the drawings and the positions of the components relative to each other, and are only for the sake of clarity and convenience in expressing the technical solution. It should be understood that the use of the directional words should not limit the scope of protection claimed in this application.

[0036] In the absence of conflict, the above embodiments and features in the embodiments may be combined with each other.

[0037] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A multi-drill rod rock drill, characterized in that: It includes a mounting base plate and a connecting sleeve; The mounting base plate is provided with a plurality of mounting holes, each of which is provided with a crushing drilling assembly; The crushing drilling assembly comprises a driver, a rotating sleeve, a drill rod and a fixing ring, wherein the driver is fixed to the mounting base plate, the rotating sleeve is rotatably mounted in the mounting hole, the rotating sleeve is connected to the driver, a limiting groove is arranged in the rotating sleeve, two ends of the drill rod are respectively a drilling end and a connecting end, a limiting protrusion is arranged on the side wall of the connecting end, the connecting end is located in the rotating sleeve, and the limiting protrusion is limited in the limiting groove, so that the drill rod can be synchronously rotatably connected to the rotating sleeve, and the fixing ring is sleeved outside the drill rod and connected to the end of the rotating sleeve, so that the connecting end of the drill rod is locked on the rotating sleeve; The connecting sleeve is sleeved outside the mounting base plate, and the edge of the mounting base plate is connected to the end of the connecting sleeve. The driver is used to drive the rotating sleeve and the drill rod to rotate, so as to drill holes in the rock mass to be broken.

2. A multi-drill rod rock drill according to claim 1, characterized in that: A mounting sleeve is arranged in each mounting hole, and the rotating sleeve is rotatably mounted in the mounting sleeve via a bearing.

3. A multi-drill rod rock drill according to claim 1, characterized in that: The mounting base plate is a circular plate.

4. A multi-drill rod rock drilling tool according to claim 3, characterized in that: The mounting holes include a central mounting hole and edge mounting holes. The central mounting hole is located at the center of the mounting base plate, and the edge mounting holes are evenly arranged around the central mounting hole.

5. The multi-drill rod rock drill according to claim 3, characterized in that: The connecting sleeve body comprises a tube sleeve part and a cone sleeve part, the mounting base plate is mounted on one end of the tube sleeve part, the other end of the tube sleeve part is connected to the thicker end of the cone sleeve part, and the thinner end of the cone sleeve part is provided with at least two hinged seats.

6. The multi-drill rod rock drill according to claim 3, characterized in that: The fixing ring sleeve is provided with a plurality of fastening bolts, and the fixing ring sleeve is fixed to the rotating sleeve by the fastening bolts.

7. A rock crushing device, characterized in that: It comprises the multi-drill-rod rock drill as described in any one of claims 1 to 6, a crawler vehicle body, a rock-breaking impact hammer and a hydraulic arm, wherein the multi-drill-rod rock drill is hinged to the end of the hydraulic arm.

8. A rock crushing device according to claim 7, characterized in that: The crawler vehicle body is also provided with a hydraulic lifting platform, and the rock breaking impact hammer is horizontally arranged on the hydraulic lifting platform. The hydraulic lifting platform is used to drive the rock breaking impact hammer to rise and fall, and the rock breaking impact hammer is used to impact and break the rock mass to be broken.

9. A rock crushing device according to claim 7, characterized in that: The rock breaking impact hammer comprises an impact driver and an impact hammer body. The impact hammer body comprises a hammer rod and an impact cone head. The hammer rod is provided with a plurality of exhaust grooves.

10. A rock crushing device according to claim 9, characterized in that: The exhaust groove extends from the hammer body to the conical surface of the impact cone head.

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