CN218953244U

CN218953244U - Compact type rock drilling trolley for tunnel construction

Info

Publication number: CN218953244U
Application number: CN202320102317.0U
Authority: CN
Inventors: 祝忠标
Original assignee: Hubei Chujiao Steel Industry Co ltd
Current assignee: Hubei Chujiao Steel Industry Co ltd
Priority date: 2023-02-02
Filing date: 2023-02-02
Publication date: 2023-05-02
Anticipated expiration: 2033-02-02

Abstract

The utility model discloses a compact rock drilling trolley for tunnel construction, which comprises a rear chassis, a front chassis, a rock drilling arm and a connecting piece, wherein the rock drilling arm is arranged on the front chassis; the motor and the pump parallel arrangement of the hydraulic pump are connected through the transmission mechanism, compared with a common mode of linearly arranging shaft connection, the installation space is saved, the height and the width of a vehicle body are effectively controlled, and the hydraulic pump is more suitable for construction application in a tunnel.

Description

Compact type rock drilling trolley for tunnel construction

Technical Field

The utility model relates to the technical field of rock drilling vehicles, in particular to a compact rock drilling trolley for tunnel construction.

Background

The drilling trolley is a drilling equipment for tunnel and underground engineering by drilling and blasting method, and can move and support the drilling machine to drill holes. The operation space in the tunnel is very limited in the initial stage of the tunnel excavation, the width and the height of the conventional drilling trolley are larger at present, the width and the height of the tunnel are usually required to be widened in order to enable the drilling trolley to smoothly pass during tunnel construction, and therefore, the extra engineering quantity is increased, and the construction progress is delayed; in order to meet the demands of tunnel construction, a compact rock-drilling rig for tunnel construction is proposed, the width and height demands of which are much smaller than those of conventional rock-drilling rigs.

Disclosure of Invention

The object of the present utility model is to provide a compact rock-drilling rig for tunnel construction, which solves the problems set forth in the background art mentioned above.

In order to achieve the above purpose, the present utility model provides the following technical solutions:

the utility model provides a compact drill jumbo for tunnel construction, includes back chassis, preceding chassis and rock drilling arm the rock drilling arm sets up on preceding chassis, be provided with preceding hydraulic support leg on the preceding chassis, be provided with back hydraulic support leg on the back chassis, be provided with slewing bearing on the back chassis, be provided with the connecting piece on the preceding chassis, the connecting piece is articulated with slewing bearing, be provided with the mounting groove on the back chassis, be provided with the rear wheel on the lateral wall of mounting groove, be provided with front wheel and operation panel on the preceding chassis, the inside of mounting groove is provided with engine, block terminal, pneumatic system and hydraulic system, hydraulic system includes hydraulic pump, oil return filter, heat exchanger and oil supply pipeline, the hydraulic pump includes motor, pump and drive mechanism, drive mechanism sets up in the bottom of mounting groove, motor and pump are vertical to be set up on drive mechanism, drive mechanism is with the output shaft of motor and the hub connection of pump.

Still further, drive mechanism includes top shell and drain pan, top shell and drain pan bolted connection are provided with drive gear, drive gear and driven gear between top shell and the drain pan, drive gear and driven gear's one end sets up on the drain pan, and the other end runs through top shell respectively with the power shaft keyway cooperation of the output shaft of motor and pump, drive gear meshes with drive gear and driven gear respectively.

Further, the hydraulic pump provides power for the rock drilling arm, the rear hydraulic support leg and the front hydraulic support leg through an oil supply pipeline, and the oil return filter and the heat exchanger are arranged on the oil supply pipeline.

Still further, the pneumatic system includes air compressor and gas holder, the gas holder sets up in air compressor's below.

Still further, the below of operation panel is provided with standing groove, the front wheel sets up on standing groove's outer wall.

Furthermore, the rotary support is provided with a self-locking oil cylinder.

Furthermore, the cavity formed by the top shell and the bottom shell is filled with lubricating oil.

The beneficial effects of the utility model are as follows:

according to the utility model, the conventional axle design is replaced by adopting the slewing mechanism, and the groove for mounting is arranged on the rear chassis, so that the bottom space of the vehicle body is fully utilized, and the height of the vehicle body is effectively reduced; the motor and the pump parallel arrangement of the hydraulic pump are connected through the transmission mechanism, compared with a common mode of linearly arranging shaft connection, the installation space is saved, the height and the width of a vehicle body are effectively controlled, and the hydraulic pump is more suitable for construction application in a tunnel.

Drawings

Fig. 1 is a schematic structural view of a compact rock-drilling rig for tunnel construction according to the present utility model.

Fig. 2 is a schematic structural view of a front chassis and a rear chassis of a compact rock-drilling rig for tunnel construction according to the present utility model.

Fig. 3 is a schematic structural view of a hydraulic pump of a compact type drill jumbo for tunnel construction according to the present utility model.

Fig. 4 is a schematic cross-sectional view of a transmission mechanism of a compact drilling rig for tunnel construction according to the present utility model.

In the figure: rear chassis 1, slewing bearing 101, self-locking cylinder 102, rear hydraulic leg 103, front chassis 2, connector 201, front hydraulic leg 202, drilling arm 3, rear wheel 4, front wheel 5, console 6, standing groove 7, hydraulic pump 8, motor 801, pump 802, transmission 803, top case 804, bottom case 805, drive gear 806, transmission gear 807, driven gear 808, distribution box 9, engine 10, air compressor 11, oil return filter 12, heat exchanger 13.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments.

Example 1

Referring to fig. 1 and 2, the present utility model provides a technical solution: a compact rock drilling trolley for tunnel construction comprises a rear chassis 1, a front chassis 2 and a rock drilling arm 3, wherein the rock drilling arm 3 is arranged on the front chassis 2, a rotary support 101 is arranged on the rear chassis 1, a connecting piece 201 is arranged on the front chassis 2, the connecting piece 201 is hinged with the rotary support 101 to connect the front chassis 2 and the rear chassis 1, a self-locking oil cylinder 102 is arranged on the rotary support 101, the self-locking oil cylinder 102 locks the rotary support 101 to keep a trolley body stable when in parking, rear wheels 4 are arranged on two side walls of the middle of the rear chassis 1 in a recessed mode, an engine 10, a distribution box 9, a pneumatic system and a hydraulic system are arranged in a groove of the rear chassis 1, the engine 10 provides power for trolley walking and steering, an input end of the distribution box 9 is connected with an external power supply, an output end of the distribution box is connected with the pneumatic system and the hydraulic system, an operating table 6 is arranged on the front chassis 2, a standing groove 7 is arranged below the operating table 6, a constructor stands in the standing groove 7 when working, the constructor stands in the standing groove 7, the height of the upper edge of the operating table 6 on the front chassis 2 is lowered, accordingly, the height of the trolley body is lowered, the front wheels 202 on the front wheels 2 are arranged on the front side of the front chassis 2, the front wheels 2 are arranged on the front side of the front chassis 5 and the rear chassis are arranged, the front wheels 5 and the front supporting legs and the front wheels 2 are arranged on the front side of the front chassis 2.

The pneumatic system includes an air compressor 11 and an air tank (not shown) located in a vehicle body below the air compressor 11 for storing high-pressure air generated by the air compressor 11.

The hydraulic system comprises a hydraulic pump 8, an oil return filter 12, a heat exchanger 13 and an oil supply pipeline, wherein the hydraulic pump 8 provides power for the rock drilling arm 3, the rear hydraulic support leg 103 and the front hydraulic support leg 202 through the oil supply pipeline, the oil return filter 12 and the heat exchanger 13 are arranged on the oil supply pipeline, the oil return filter 12 filters the return hydraulic oil in each hydraulic power part, the hydraulic oil in the hydraulic pipeline is kept clean, and the heat exchanger 13 cools the return hydraulic oil in the hydraulic pipeline.

Referring to fig. 3, the hydraulic pump 8 includes a motor 801, a pump 802, and a transmission 803, the transmission 803 is installed at the bottom of the groove of the rear chassis 1, the motor 801 and the pump 802 are vertically installed on the transmission 803, and the transmission 803 connects the output end of the motor 801 with the power shaft of the pump 802. The transmission 803 includes top shell 804 and drain pan 805, top shell 804 and drain pan 805 bolted connection, install driving gear 806 between top shell 804 and the drain pan 805, driving gear 807 and driven gear 808, driving gear 806 and driven gear 808's one end is installed on drain pan 805, the other end runs through the top shell respectively with the output shaft of motor 801 and the power shaft keyway cooperation of pump 802, driving gear 807 meshes with driving gear 806 and driven gear 808 respectively, top shell 804 is full of lubricating oil with the cavity that drain pan 805 constitutes is used for lubricated and cooling the gear that installs therein.

According to the utility model, the conventional axle design is replaced by adopting the slewing mechanism, so that the rear chassis 1 can be provided with the groove for mounting, the bottom space of the vehicle body is fully utilized, and the height of the vehicle body is effectively reduced; the motor 801 and the pump 802 of the hydraulic pump 8 are connected in parallel through the transmission mechanism 803, compared with a common mode of shaft connection in a straight line arrangement, the installation space is saved, the height and the width of the vehicle body are reduced, the height and the width of the vehicle body can be controlled within 1.3 meters in practical application, and the hydraulic pump is more suitable for construction application in tunnels.

The present utility model is not limited to the above-mentioned embodiments, and any person skilled in the art, based on the technical solution of the present utility model and the inventive concept thereof, can be replaced or changed within the scope of the present utility model.

Claims

1. The utility model provides a compact drill jumbo for tunnel construction, includes back chassis, preceding chassis and rock drilling arm the rock drilling arm sets up on preceding chassis, be provided with preceding hydraulic support leg on the preceding chassis, be provided with back hydraulic support leg on the back chassis, its characterized in that: the novel hydraulic transmission device is characterized in that a rotary support is arranged on the rear chassis, a connecting piece is arranged on the front chassis and hinged to the rotary support, a mounting groove is formed in the rear chassis, a rear wheel is arranged on the outer side wall of the mounting groove, a front wheel and an operating platform are arranged on the front chassis, an engine, a distribution box, a pneumatic system and a hydraulic system are arranged in the mounting groove, the hydraulic system comprises a hydraulic pump, an oil return filter, a heat exchanger and an oil supply pipeline, the hydraulic pump comprises a motor, a pump and a transmission mechanism, the transmission mechanism is arranged at the bottom of the mounting groove, the motor and the pump are vertically arranged on the transmission mechanism, and an output shaft of the motor is connected with a power shaft of the pump.

2. A compact rock-drilling rig for tunnel construction according to claim 1, characterized in that: the transmission mechanism comprises a top shell and a bottom shell, the top shell is connected with the bottom shell through bolts, a driving gear, a transmission gear and a driven gear are arranged between the top shell and the bottom shell, one end of the driving gear and one end of the driven gear are arranged on the bottom shell, the other end of the driving gear penetrates through the top shell and is matched with an output shaft of the motor and a power shaft key groove of the pump respectively, and the transmission gear is meshed with the driving gear and the driven gear respectively.

3. A compact rock-drilling rig for tunnel construction according to claim 2, characterized in that: the hydraulic pump provides power for the rock drilling arm, the rear hydraulic support leg and the front hydraulic support leg through the oil supply pipeline, and the oil return filter and the heat exchanger are arranged on the oil supply pipeline.

4. A compact rock-drilling rig for tunnel construction according to any one of claims 1-3, characterized in that: the pneumatic system comprises an air compressor and an air storage tank, and the air storage tank is arranged below the air compressor.

5. A compact rock-drilling rig for tunnel construction according to claim 4, characterized in that: a standing groove is formed below the operating platform, and the front wheels are arranged on the outer wall of the standing groove.

6. A compact rock-drilling rig for tunnel construction according to claim 5, characterized in that: the rotary support is provided with a self-locking oil cylinder.

7. A compact rock-drilling rig for tunnel construction according to claim 2, characterized in that: and a cavity formed by the top shell and the bottom shell is filled with lubricating oil.