JP2003535240A - Rock drilling rig - Google Patents

Abstract

(57) [Summary] The rock drilling rig has a carrier (1) provided with a service platform (7). The platform is located on the service boom (6). The service boom (6) is provided with mutually movable boom portions (33-36). The service platform (7) is connected to the service boom (6) by a parallelogram mechanism (22). The service platform (7) is arranged on the side of the swing surface of the parallelogram mechanism (22), and is configured to avoid collision between the service platform and the service boom.

Description

Description: The present invention relates to rock drilling rigs, and more particularly to service platforms, aggregate bolting or injection deviators.
ce). When digging a tunnel, it is often required to dig the tunnel in two stages. This means that the portion of the tunnel close to the roof is located ahead of the floor. The difference in distance is on the order of 3-4m. Thus, reaching the upper part of the front of the tunnel to load explosives into the drilled holes becomes a problem. Furthermore, there is a problem that roof bolting is required both at the upper part of the front of the adjacent tunnel and at the upper part of the lower rear of the front of the tunnel. In the past, this problem has been solved by providing a service platform on rails that extend along the rock rig. In this way, the service platform can reach various locations to perform the work. However, this arrangement has the disadvantage that the operator has to climb on the rig to reach the service platform. Another drawback is that the service platform and the support boom degrade worker visibility when the service platform is not in use during the excavation operation. Furthermore, this known arrangement reduces the accessibility of the drilling rig in narrow passages. [0003] The present invention, as defined in the appended claims, facilitates loading into a drilled hole at the top of the front of the tunnel, and at the top of the front of the tunnel and at the bottom of the back of the front of the tunnel. It is an object to obtain a rock drilling rig that can easily perform rock bolting and / or injection work, both above and below. This can be done without requiring an operator to climb on the drilling rig to reach the service platform. Furthermore, this configuration allows the operator to perform excavation work during excavation without complicating the work area of the excavator. Furthermore, the invention makes it possible to arrange the service platform without interference during drilling and in a position suitable for movement. Furthermore, if the service platform is used without providing a special emergency exit, the workplace should allow quick exit in an emergency. Hereinafter, an embodiment of the present invention will be described with reference to the accompanying drawings. The rock drilling rig shown in the drawing comprises a carrier 1. In this carrier 1,
A cockpit 11 that can be moved up and down is provided, and the operator can control the rock excavator from the cockpit 11. This rock drilling rig has a longitudinal axis 2 as shown in FIGS. A plurality of brackets 12 are arranged on the carrier 1, and the drill boom 3 is provided on the brackets 12. A feed beam 4 is arranged on these drill booms 3.
The rock excavation mechanism 5 can be moved back and forth in a general manner. While working at the location of the tunnel fronts 13 and 14, the rock rig is erected on jacks 15. A support member 16 for two four-link mechanisms 8 is arranged on the carrier 1, and one of the two four-link mechanisms 8 is shown in the drawing. The support member 16 forms one of the links in the four-link mechanism 8. The other links consist of the links indicated by the reference numerals 17 and 18 and the link 9 located at a distance from the support member 16. The four-link mechanism 8 is swingable by a hydraulic cylinder 19 on a plane perpendicular to the longitudinal axis 2. The service boom 6 provided with the rear end 31 and the front end 32 is arranged to be swingable on the link 9 by the hydraulic cylinder 20. The boom 6 can be moved up and down by a hydraulic cylinder 21. The boom 6 includes a plurality of boom portions 33 to 36 that are nestable with respect to each other. The front end 32 of the boom 6 has a parallelogram mechanism (parallelogram mechani).
The service platforms 7 are connected by sm) 22. The parallelogram mechanism 22 comprises two links 37 and 38 which are connected to the front end 32 of the service boom 6 and a bracket 39 arranged on one side of the service platform 7. The parallelogram mechanism 22 is moved by the hydraulic cylinder 40. Since the rocking surface of the parallelogram mechanism 22 is arranged on the side of the service platform 7, the service platform can be rocked to the position shown in FIG. 2 without hitting the service boom 6. This configuration has an advantage that a large movable range can be obtained as shown in FIG. 1, and at the same time, the size of the apparatus is reduced during transportation as shown in FIG. Furthermore, the arrangement according to the invention has the advantage that the service platforms can be arranged behind the front jacks, so that they do not interfere during excavation. In addition, the service platform can be raised to reach the top of the front of the tunnel and lowered so that it can move within the lower tunnel. BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 shows a side view of a drilling rig arranged for drilling and loading into a drilled hole. FIG. 2 shows the excavator in a moving position from the side. FIG. 3 shows an actuator forming part of a drilling rig for a service platform in one position. FIG. 4 shows the movement position of the device of FIG. FIG. 5 shows the service boom at three different locations. [Description of Signs] 1 Carrier 2 Longitudinal axis 3 Drill beam 4 Feed beam 5 Rock excavation unit 6 Service boom 7 Service platform 8 4 Link mechanism 9 Link 11 Pilot room 12 Bracket 13 Tunnel front surface 14 Tunnel front surface 15 Jack 16 Support member 18 Link 19 Link 20 Hydraulic Cylinder 21 Hydraulic Cylinder 22 Parallelogram Mechanism 31 Rear End 32 Front End 33 Boom Portion 34 Boom Portion 35 Boom Portion 36 Boom Portion 37 Link 38 Link 39 Bracket 40 Hydraulic Cylinder

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Claims (1)

Claims: 1. A carrier (1), at least one drill beam (3) arranged on the carrier (1), a feed beam (4) arranged on a drill boom, and a feed beam A rock excavation mechanism (5) movable back and forth along the road, and a service boom (6) swingably disposed on the carrier (1), and a front end (32) of the service boom (6). In a rock drilling rig where a service platform (7), an aggregate bolting device or an injection device is installed, a service boom (6) is provided with a plurality of mutually movable boom parts (33-36), The service platform is connected to the service boom (6) by the shape mechanism (22), the service platform (7) is arranged on the side of the swinging surface of the parallelogram mechanism (22), and the service platform (7) and the service boom are Interference with (6) Rock drilling rig, characterized in that the rock drilling rig can be avoided.