CN204754952U - Railway tunnel stock platform truck - Google Patents

Abstract

The utility model discloses a railway tunnel bolt trolley, which comprises a traveling mechanism, a rotatable chassis installed on the traveling mechanism, a lifting platform installed on the chassis, a rotatable drilling arm mechanism installed on the lifting platform, A rotatable drilling mechanism installed on the drilling arm mechanism, and a power system that drives the action of the traveling mechanism, chassis, lifting platform, drilling arm mechanism and drilling mechanism. The railway tunnel bolt trolley provided by the utility model realizes the specialization of railway tunnel bolt construction equipment for the first time, has a reasonable overall structure and diverse functions, can realize the mechanization of tunnel bolt construction, reduce the labor intensity of workers, and improve the quality of construction , accuracy and efficiency, so that the quality of the project is better guaranteed.

Description

A bolt trolley for a railway tunnel

technical field

The utility model relates to the field of a railway tunnel bolt construction trolley, in particular to a railway tunnel bolt trolley.

Background technique

At present, the country strengthens the construction of social infrastructure projects. A large number of railway projects need to be constructed every year. It is inevitable to dig tunnels in mountainous and hilly areas. , when the bolt is drilled, people stand on the simple platform to drill, and the holes are arranged according to the designed spacing. After the hole is formed, the high-pressure air is used to clean the hole. The degree of mechanization of the bolt construction is low, the labor intensity of the workers is high, the construction efficiency is low, and the quality cannot be guaranteed. , Set up a simple platform and drill workers can't guarantee the safety of construction on the shelf. Therefore, the development of a specialized and mechanized tunnel bolt trolley has certain practical significance, which can promote the safe, efficient and healthy development of tunnel bolt construction and production.

Utility model content

The purpose of this utility model is to provide a railway tunnel bolt trolley, which realizes the specialization and mechanization of railway tunnel bolt construction equipment, thereby overcoming the existing low degree of mechanization of bolt drilling, low construction efficiency and labor intensity. Large, and the quality cannot be guaranteed.

In order to achieve the above object, the utility model adopts the following technical solutions:

A railway tunnel bolt trolley, comprising a traveling mechanism, a rotatable chassis mounted on the traveling mechanism, a lifting platform mounted on the chassis, a rotatable drilling arm mechanism mounted on the lifting platform, a The rotatable drilling mechanism on the top, and the power system that drives the movement of the walking mechanism, chassis, lifting platform, drilling arm mechanism and drilling mechanism.

Further, the power system includes a hydraulic system and an engine system, the hydraulic system includes a motor, an oil tank, a first hydraulic oil pump, a second hydraulic oil pump, and hydraulic pipelines, the engine system includes an engine; the engine drives the first The hydraulic oil pump sucks oil from the fuel tank and outputs high-pressure oil, and is connected to and drives the traveling mechanism and the chassis through a hydraulic pipeline; the motor drives the second hydraulic oil pump to suck oil from the fuel tank and output high-pressure oil, and is connected and driven through a hydraulic pipeline. The lifting platform, the drilling arm mechanism and the drilling mechanism act.

Further, the running mechanism is a crawler type running mechanism or a rubber wheel type running mechanism.

Further, the chassis is mounted on the traveling mechanism through a slewing bearing.

Further, the lifting platform is installed on the chassis through a set of four-bar linkages.

Further, the chassis is provided with a cab.

Further, the boom mechanism is installed on the lifting platform through a rotary reducer.

Further, the boom mechanism includes a swing rod and a telescopic sleeve connected to the swing rod, and the swing rod and the telescopic sleeve are respectively driven by an oil cylinder.

Further, the drilling boom mechanism is connected with a personnel operation column.

Further, the drilling mechanism is installed on the drilling arm mechanism through a swing cylinder.

The utility model has the following advantages at least:

1. The overall structure of the trolley is reasonable, with good rigidity, and a high degree of specialization and mechanization.

2. Full hydraulic control, the actuators of the mechanical part are controlled by hydraulic components, with simple operation, low failure rate and convenient maintenance.

3. The grounding area of the crawler is large, the grounding specific pressure is small, the walking is free and reliable, and it is suitable for working in harsh environments.

4. A slewing support is installed between the traveling mechanism and the body of the trolley, which can realize a maximum of 360° rotation of the body of the trolley, and the working range of the whole vehicle can be expanded.

5. It has a special cab, and the actions of the vehicle walking and platform lifting are completed in the cab.

6. The lifting platform that rises and falls through the four-bar linkage mechanism has a large lifting range, and the lifting is stable and reliable, which avoids unnecessary repetitive work of manually building a simple platform, saves time and reduces the labor intensity of workers.

7. Two sets of drilling arm mechanisms are adopted, which have a large working range, and hydraulic cylinders are used to adjust the position of the drilling arms, which is safe and reliable.

8. The rotary reducer is installed on the lower part of the two sets of drilling arm mounting bases, which are driven by hydraulic pressure and can rotate at an angle of 180°. The working range is large and it can adapt to different working conditions.

9. The use of professional hydraulic drilling mechanism avoids manual operation with pneumatic rock drills, reduces the labor intensity of workers, and significantly improves operating efficiency.

10. In summary, the railway tunnel bolt trolley provided by the utility model enriches and improves the functions of the bolt trolley, and for the first time realizes the specialization of railway tunnel bolt construction equipment. The trolley integrates the construction platform and hydraulic pressure Drilling and other functions, the overall structure is reasonable, the design is novel, and the functions are diverse, which realizes the mechanization of tunnel bolt construction, reduces the labor intensity of workers, improves the quality, accuracy and efficiency of construction, and makes the quality of the project better. The guarantee can realize the goal of safe, efficient and mechanized operation in my country's railway tunnel construction industry.

Description of drawings

The above is only an overview of the technical solution of the utility model. In order to better understand the technical means of the utility model, the utility model will be further described in detail below in conjunction with the accompanying drawings and specific embodiments.

Fig. 1 is a schematic diagram of the working state of the railway tunnel bolt trolley of the present invention.

Fig. 2 is a front view of the retracted state of the railway tunnel bolt trolley of the present invention.

Fig. 3 is a left view of the retracted state of the railway tunnel bolt trolley of the present invention.

Fig. 4 is a schematic diagram of the opening state of the railway tunnel bolt trolley of the present invention

Fig. 5 is a structural schematic diagram of the drilling mechanism.

Detailed ways

The utility model provides a railway tunnel bolt trolley, which comprises a traveling mechanism, a rotatable chassis installed on the traveling mechanism, a lifting platform installed on the chassis, a rotatable drilling arm mechanism installed on the lifting platform, and a A rotatable drilling mechanism on the drilling arm mechanism, and a power system that drives the action of the traveling mechanism, chassis, lifting platform, drilling arm mechanism and drilling mechanism.

Specifically, the trolley can be set as follows:

Please refer to shown in Fig. 1, 2, 3, the bottom of trolley is crawler-type traveling mechanism 1, and crawler-type traveling mechanism 1 comprises tightening oil cylinder, traveling motor and speed reducer. Among them, the expansion and contraction movement of the tensioning oil cylinder can adjust the tension degree of the track; the traveling motor provides the traveling power and drives the traveling mechanism to move forward. The traveling mechanism is equipped with a self-locking valve. Press the self-locking valve when the trolley is parked, and the trolley cannot move; open the self-locking valve of the traveling mechanism through the control valve, the traveling motor drives the reducer, and the sprocket drives the track to realize the walking of the traveling mechanism. .

In the above arrangement, the running mechanism 1 is preferably but not limited to the crawler type walking mechanism shown in the figure, and the rubber wheel type running mechanism can also be used.

A slewing bearing 2 is installed on the crawler-type traveling mechanism 1, and the chassis is installed on the slewing bearing 2, and the chassis is a trolley body, including a driver's cab 3, a lifting platform 6, a drilling arm mechanism, a drilling mechanism 13 and the like.

Lifting platform 6 is installed on the chassis by a group of four-bar linkage mechanism 4, and four-bar linkage mechanism 4 is driven by connecting rod oil cylinder 5 and realizes the stable lifting of lifting platform 6, and the climbing ladder for staff to go up and down is fixed below lifting platform 6.

Boom mechanism is installed on lifting platform 6, and boom mechanism comprises fork 9, the telescopic sleeve 11 that is connected with fork 9, and fork 9 is driven by fork cylinder 10, and telescopic sleeve 11 is passed through built-in oil cylinder (in the figure). not shown), the swing of the swing rod 9 and the telescopic action of the telescopic sleeve 11 can realize the position adjustment of the drilling mechanism 13, the adjustment is convenient and flexible, and the position adjustment of the swing rod 9 and the telescopic sleeve 11 is realized by using a hydraulic cylinder. Safe and reliable. In order to realize the rotation of the drill arm, a rotary reducer 8 is installed at the lower part of the drill arm mechanism. The drill arm mechanism shown in the figure is set to two sets, and each set of drill arm mechanism can realize 180° rotation, which greatly improves the working range. Can adapt to different working conditions. As shown in Figure 4, the rotary reducer 8 at the bottom of the two sets of drill boom mechanisms rotates at a certain angle, so that the two drill booms are in an open state.

Further, the trolley can also be equipped with a personnel operation column 14, which is connected to the end of the drill boom mechanism.

Drilling mechanism 13 is installed on the drilling arm mechanism 7 by swinging oil cylinder 12, and swinging oil cylinder 12 can rotate 360 °, is convenient to the rotary positioning of drilling mechanism 13.

Please refer to shown in Fig. 5, described drilling mechanism 13 utilizes upper and lower two layers (every layer of two) cylindrical rails 81 as the guide rails of primary propulsion and secondary propelling, and four cylindrical rails 81 are threaded. The connection method is fixed on two steel plates 82 to form a hollow support frame, and one end of the hollow support frame is connected to the sliding bottom plate 83 by using the first-stage propulsion cylinder 84, wherein the two guide rails on the lower layer respectively pass through and are fixed on the sliding bottom plate with screws The separate wear-resistant copper sleeve 85 on the 83 makes the support frame slide in the wear-resistant copper sleeve 85 under the drive of the primary propulsion cylinder 84 to realize the action of primary advancement; It is fixed on another steel plate 82 of the hollow support frame, and there is a guide wheel 87 on the front and rear of the piston barrel of the secondary propulsion cylinder 86, and the closed chain is set on the guide wheel 87, wherein the bottom end of the chain is fixed on the hollow support frame On a fixed bottom plate 80 inside, the top of the chain is fixed with the drilling base 89, and the motor 88 is fixed on the drilling base 89. When the control hydraulic valve drives the two-stage propulsion cylinder 86, one end of the piston rod is fixed, and the piston cylinder moves. The bottom end of the chain is fixed on the hollow support frame, so that the piston cylinder drives the guide wheel 87 to drive the chain to form a "moving pulley", and the movement distance of the drilling base 89 is twice that of the piston cylinder. Large drilling stroke. Utilize the hydraulic valve to control the work of the hydraulic motor 88, cooperate with the first-stage and second-stage propulsion, so as to realize the drilling work. Drilling is driven by a drilling motor with large output torque, simple structure, reliable operation and convenient maintenance.

The trolley of the present utility model also includes a power system, and the power system is used to drive the actions of the above-mentioned traveling mechanism 1, chassis, lifting platform 6, drilling arm mechanism and drilling mechanism 13.

The power system includes a hydraulic system and an engine system, and the hydraulic system includes a motor, an oil tank, a first hydraulic oil pump, a second hydraulic oil pump, a balance valve, a hydraulic pipeline, a control valve on the hydraulic pipeline, an oil pressure gauge, and the like. The engine system includes an engine unit (including engine, cooler, intercooler, muffler, air filter, etc.), elastic coupling, diesel tank, starter motor, etc. Among them, the hydraulic oil pump can choose a plunger pump.

The engine system is the power source for the movement of the whole vehicle, such as walking and turning, and provides a strong guarantee for the normal operation of the trolley. Specifically, the engine drives the first hydraulic oil pump, and the oil suction port of the first hydraulic oil pump is connected to the oil tank through standard parts such as rubber hoses, joints, flanges contained in the hydraulic pipeline, and the engine drives the first hydraulic oil pump to run. A hydraulic oil pump converts the hydraulic oil inhaled from the oil tank into high-pressure hydraulic oil, discharges it from the oil outlet, and flows to the hydraulic pipeline. The first hydraulic oil pump converts the mechanical energy of the engine power system into hydraulic energy for powering the trolley. The high-pressure oil discharged from the oil outlet of the first hydraulic oil pump flows into the control valves with different functions through the hydraulic pipeline. According to the actions to be completed, the control valves corresponding to each actuator are manually controlled to realize the walking of the trolley and the rotation of the chassis, etc. action;

The second hydraulic oil pump is connected to the motor through a coupling. Similarly, the oil suction port of the second hydraulic oil pump is connected to the hydraulic oil tank through standard parts such as rubber hoses, joints, and flanges contained in the hydraulic pipeline, and the motor drives the second hydraulic oil pump to run. , the second hydraulic oil pump converts the hydraulic oil sucked from the oil tank into high-pressure hydraulic oil and discharges it from the oil outlet, and the discharged high-pressure oil flows into the control valves with different functions through the hydraulic pipeline. The corresponding control valve realizes the movement of the lifting platform of the trolley, the rotation of the drilling boom mechanism, the rotation of the drilling mechanism, and construction.

The trolley of the utility model also includes an electrical system, mainly including a generator, a storage battery, an electric control cabinet, a lighting lamp, an emergency stop button, a cable, a junction box, a starter and the like. The engine in the above engine system is connected to drive the generator to generate electricity and charge the battery. The battery provides the power required for the normal operation of the electrical components. The starter is connected to and controls the starter motor in the engine system through a cable, thereby indirectly controlling the start of the engine. The electric control cabinet is the core protection unit of the electrical system, and contains overload protection components such as circuit breakers and fuses, which effectively guarantee the safe operation of the electrical system. The emergency stop button is used for emergency stop, to turn off the engine, cut off the power source, and prevent casualties or trolley damage caused by misoperation or other dangerous situations. The motor connected with the second hydraulic oil pump is connected with the substation provided in the tunnel through an external cable.

The oil tank, engine system and electrical system of the above-mentioned hydraulic system are all arranged on the chassis, the rear end of the cab 3 .

As shown in FIG. 1 , during work, the driver operates in the cab 3 to realize the walking of the trolley, the lifting of the lifting platform, and the rotation of the entire trolley body. The cab 3 adopts a closed type to protect the driver from unnecessary personal injury caused by falling objects. When arriving at the destination, the whole trolley stops walking, and the chassis of the trolley is rotated at an appropriate angle through the slewing bearing 2, which is convenient for construction. The piston rod of the four-link cylinder 5 extends to move the four-link mechanism 4, which drives the lifting platform 6 to a certain height, and the rotary reducer 8 is driven to rotate by hydraulic pressure, and the two drilling arms are opened to drive the swing rod cylinder 10 to adjust The position of the swing rod 9, combined with the expansion and contraction of the built-in hydraulic cylinder of the telescopic sleeve 11, adjusts the drilling mechanism 13 to a suitable position, rotates the swing cylinder 12, adjusts the angle, and realizes the vertical construction of the drilling mechanism 13 on the wall, and the drilling mechanism 13 outputs through the motor The torque is used to realize drilling, and the drilling operation is completed through the hydraulic cylinder for one-stage and two-stage propulsion.

The above are only preferred embodiments of the present utility model, and are not intended to limit the present utility model in any form. Those skilled in the art may use the technical content disclosed above to make some simple modifications, equivalent changes or modifications. Within the protection scope of the present utility model.

Claims (10)

1. a railway tunnel rock bolting jumbo, it is characterized in that, comprise walking mechanism, the rotating chassis be arranged in walking mechanism, the lift platform be arranged on chassis, the rotating drill arm mechanism be arranged on lift platform, the rotating mechanism that drills be arranged in drill arm mechanism, and drive the dynamical system of described walking mechanism, chassis, lift platform, drill arm mechanism and mechanism action of drilling.

2. railway tunnel rock bolting jumbo according to claim 1, it is characterized in that, described dynamical system comprises hydraulic system and engine system, and described hydraulic system comprises motor, fuel tank, the first hydraulic oil pump, the second hydraulic oil pump, fluid pressure line, and described engine system comprises motor;

Described motor driven first hydraulic oil pump is from fuel tank oil suction and export hydraulic oil, and is connected by fluid pressure line and drive described walking mechanism and chassis action; Described motor drives the second hydraulic oil pump from fuel tank oil suction and exports hydraulic oil, and is connected by fluid pressure line and drive described lift platform, drill arm mechanism and mechanism action of drilling.

3. railway tunnel rock bolting jumbo according to claim 1, is characterized in that, described walking mechanism is crawler type walking mechanism or rubber wheel type walking mechanism.

4. railway tunnel rock bolting jumbo according to claim 1, is characterized in that, described chassis is arranged in described walking mechanism by pivoting support.

5. railway tunnel rock bolting jumbo according to claim 1, is characterized in that, described lift platform is arranged on described chassis by one group of quadric chain.

6. railway tunnel rock bolting jumbo according to claim 1, is characterized in that, described chassis is provided with driver's cabin.

7. railway tunnel rock bolting jumbo according to claim 1, is characterized in that, described drill arm mechanism is arranged on described lift platform by rotary decelerator.

8. railway tunnel rock bolting jumbo according to claim 1, is characterized in that, the extension sleeve that described drill arm mechanism comprises fork, is connected with fork, and described fork and extension sleeve are respectively by hydraulic oil cylinder driving.

9. railway tunnel rock bolting jumbo according to claim 1, is characterized in that, described drill arm mechanism is connected with personnel's operation hurdle.

10. railway tunnel rock bolting jumbo according to claim 1, is characterized in that, described in the mechanism that drills be arranged in described drill arm mechanism by oscillating oil cylinder.