CN204754953U - Railway tunnel stock platform truck and drilling device thereof - Google Patents

Abstract

The utility model discloses a railway tunnel bolt trolley and its drilling device. The drilling device includes a lifting platform installed on a first mounting seat, a second mounting seat mounted on the lifting platform, and a second mounting seat installed on the Two rotatable drill arm mechanisms on the mounting base, and rotatable drilling mechanisms installed on the drill arm mechanisms. The utility model can improve the construction efficiency and quality of the bolt and ensure the safety of workers. The railway tunnel bolt trolley provided with the drilling device can realize specialized and mechanized construction, and improve work efficiency and construction quality.

Description

A railway tunnel bolt trolley and its drilling device

technical field

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

Background technique

At present, my country's railway tunnel bolt construction uses pneumatic rock drills to form holes. When drilling bolts, people stand on a simple platform to drill, and the holes are arranged according to the designed spacing. After the holes are formed, high-pressure air is used to clean the holes.

At present, the degree of mechanization of railway tunnel bolt construction is low, the labor intensity of workers is high, the construction efficiency is low, the quality cannot be guaranteed, and the safety of workers drilling on simple platforms cannot be guaranteed. Therefore, a professional and mechanized tunnel bolt trolley and Its drilling mechanism has certain practical significance.

Utility model content

One purpose of this utility model is to provide a drilling device for a railway tunnel bolt trolley, which has a high degree of mechanization and specialization, thereby overcoming the low degree of mechanization, low construction efficiency and high labor intensity of the existing bolt drilling , and the quality cannot be guaranteed.

Another object of the present utility model is to provide a railway tunnel bolt trolley with the above-mentioned drilling device.

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

A drilling device for a railway tunnel bolt trolley, comprising a lifting platform mounted on a first mounting base, a second mounting base mounted on the lifting platform, and a rotatable drilling arm mechanism mounted on the second mounting base, And a rotatable drilling mechanism installed on the drilling arm mechanism.

Further, the lifting platform is installed on the first installation base through a set of four-bar linkage mechanism.

Further, a ladder is fixed below the lifting platform.

Further, the second installation seat is installed on the lifting platform through a rotary reducer.

Further, two left and right drill arm mechanisms are installed on the lifting platform, and each drill arm mechanism can rotate 180 degrees.

Further, the drilling arm mechanism includes a swing arm and a telescopic arm connected to the swing arm, and the swing arm and the telescopic arm are respectively driven by an oil cylinder installed on the second mounting base.

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

Further, the drilling mechanism includes a guide rail structure, a primary propulsion cylinder, a secondary propulsion cylinder and a hydraulic motor; the guide rail structure includes front and rear end plates, and the upper and lower two layer guide rail; the lower guide rail is fitted with a wear-resistant sliding sleeve, and the rear end plate is provided with a sliding bottom plate fixedly connected with the wear-resistant sliding sleeve; the first-stage propulsion cylinder is connected between the sliding bottom plate and the front end plate, The piston rod of the two-stage propulsion cylinder is fixed on the rear end plate, and the piston cylinder of the two-stage propulsion cylinder is provided with a guide wheel at the front and rear respectively, and a closed chain is set on the guide wheel, and the bottom end of the chain It is fixed on the guide rail structure; the hydraulic motor is fixed on the top of the chain by drilling the base.

A bolt trolley for a railway tunnel is provided with the drilling device.

Owing to adopting above-mentioned technical scheme, the utility model has the following advantages at least:

1. The drilling device of a railway tunnel bolt trolley provided by the utility model is applied to the railway tunnel bolt operation, which can realize professional and mechanized construction, greatly improve work efficiency and construction quality, and significantly reduce staff and increase efficiency, and Workers are safe and secure.

2. The drilling device adopts full hydraulic control and has a simple structure. All actions are realized by using hydraulic cylinders, hydraulic motors, swing cylinders, etc., and the design and maintenance are simple.

3. Four-bar linkage mechanism is adopted, which has good rigidity, good stability, and easy manufacturing. The lifting platform can be raised and lowered together with the connecting rod, and it is always kept level, which is convenient for workers to operate.

4. By setting the rotary speed reducer, the two drilling arms can be adjusted at an angle of 180°, and the construction is flexible and the scope is large.

5. The drilling arm mechanism is designed with a swing arm and a telescopic arm, which can realize the secondary adjustment of height and position.

6. The drilling mechanism is installed on the swing oil cylinder, which can realize 180° angle adjustment, which is convenient for construction work.

7. The drilling mechanism adopts the secondary propulsion of the cylindrical guide rail, adopts the sprocket chain double-speed mechanism, and the hydraulic motor drills, which is safe and reliable.

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 the front view of the contracted state of the drilling device of the railway tunnel bolt trolley of the present utility model.

Fig. 2 is a plan view of the contracted state of the drilling device of the railway tunnel bolt trolley of the present invention.

Fig. 3 is a left side view of the contracted state of the drilling device of the railway tunnel bolt trolley of the present invention.

Fig. 4 is a schematic diagram of the position adjustment state of the drilling device of the railway tunnel bolt trolley of the present invention.

Fig. 5 is a schematic diagram of the unfolded state of the two arms of the drilling device of the railway tunnel bolt trolley of the present invention.

Fig. 6 is a schematic diagram of the position adjustment state 2 of the drilling device of the railway tunnel bolt trolley of the present invention.

Fig. 7 is a structural schematic diagram of the drilling mechanism.

Detailed ways

The utility model provides a railway tunnel bolt trolley and its drilling device, please refer to Figures 1, 2 and 3, the drilling device includes a lifting platform 14 installed on the first mount The second mounting seat 12 on the lifting platform 14, the rotatable drilling arm mechanism installed on the second mounting seat 12, and the rotatable drilling mechanism 8 installed on the drilling arm mechanism.

Please refer to FIG. 4 , the lifting platform 14 is installed on the first mounting base 4 through a set of four-bar linkage mechanism 2, and the first mounting base 4 can be installed on the mobile platform, so as to facilitate the mobile construction of the drilling device. The four-bar linkage mechanism 2 realizes the lifting of the height of the connecting rod through the expansion and contraction of the connecting rod cylinder 3. The height of the lifting platform 14 is adjusted with the change of the position of the connecting rod, while keeping the level of the lifting platform 14 unchanged. The lower end of the lifting platform 14 is fixed with a ladder 1. The staff can carry out maintenance and other work through the ladder 1 to the lifting platform 14.

The second mounting base 12 is installed on the lifting platform 14 through a rotary reducer 13, and the rotary reducer 13 is driven by a hydraulic motor to realize 180° rotation. The drill arm mechanism is installed on the second mount 12 . Preferably, there are two left and right drill arm mechanisms, and the two drill arm mechanisms adjust the angle of the drill arm through the rotation of the rotary reducer 13 to adapt to different tunnel conditions.

Please refer to Figures 5 and 6, the drill arm mechanism includes a swing arm 11, a telescopic arm 5 connected to the swing arm 11, and the swing arm 11 is driven by a swing arm cylinder 10 installed on the second mount 12 action to realize the angle adjustment of the swing arm 11; the telescopic arm 5 is driven by the telescopic arm adjustment cylinder 9 installed on the second mount 12 to realize the angle adjustment of the telescopic arm 5, and the swing arm 11 and the telescopic arm 5 cooperate with each other to realize drilling The angle and height of the mechanism 8 are adjusted to adapt to complex working conditions. Wherein, the telescopic arm adjustment oil cylinder 9 is built in the telescopic arm 5, which can realize the contraction state adjustment of the drilling device.

The drilling mechanism 8 is installed on the end of the telescopic arm 5 through the swing cylinder 7, the rotation of the swing cylinder 7 can realize the 180° angle adjustment of the drilling mechanism 8, and the bolt construction operation can be realized from different directions.

Specifically, please refer to shown in Figure 7, the drilling mechanism 8 utilizes the upper and lower layers (two per layer) cylindrical rails 81 as the guide rails for primary and secondary advancement, and four cylindrical rails 81 pass through The threaded connection 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 pass through and are fixed on the sliding plate with screws. The separate wear-resistant copper sleeve 85 on the base plate 83 enables the support frame to slide in the wear-resistant copper sleeve 85 under the drive of the primary propulsion cylinder 84 to realize the action of primary advancement; one end of the piston rod of the secondary propulsion cylinder 86 utilizes The nut 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 two-stage propulsion cylinder 86 piston barrel, and the closed chain is sleeved on the guide wheel 87, wherein the bottom end of the chain is fixed on the hollow support. On a fixed base plate 80 in the frame, 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 secondary propulsion oil cylinder 86, one end of the piston rod is fixed, and the piston barrel moves. Because the bottom end of the chain is fixed on the hollow support frame, the piston barrel drives the guide wheel 87 to drive the chain to form a "moving pulley", so that the moving distance of the drilling base 89 is twice the moving distance of the piston barrel. This chain double-speed mechanism can realize Larger 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.

The above drilling device adopts hydraulic transmission to realize the action of each mechanism, which is safe, reliable and easy to maintain. Next to the drilling mechanism 8 is an operating valve group, including a multi-way valve block 6, which is used to control the action actuators in the hydraulic system of the drilling device.

When the drilling device of the utility model works, according to the actual working conditions, the lifting platform 14 is raised to a suitable height through the connecting rod cylinder 3; the angle of the drilling arm mechanism is adjusted by driving the rotary reducer 13 under the second mounting seat 12. to the proper position; through the expansion and contraction of the piston rod of the swing arm oil cylinder 10, the angle adjustment of the swing arm 11 is realized, thereby realizing the secondary adjustment of the height of the drilling mechanism 8; The drilling mechanism 8 changes to a suitable position, as shown in FIG. 4 .

The railway tunnel bolting trolley with the drilling device is applied to railway tunnel bolting operations, which can realize specialized and mechanized construction, improve work efficiency and construction quality, significantly reduce staff and increase efficiency, and ensure worker safety.

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 (9)

1. A drilling device for a railway tunnel bolt trolley, characterized in that it comprises a lifting platform installed on the first mounting seat, a second mounting seat installed on the lifting platform, and can be mounted on the second mounting seat Rotating drill arm mechanism, and a rotatable drilling mechanism installed on the drill arm mechanism. 2 . The drilling device of the railway tunnel bolt trolley according to claim 1 , wherein the lifting platform is mounted on the first mounting seat through a set of four-bar linkages. 3 . 3. The drilling device of the railway tunnel bolt trolley according to claim 1, wherein a ladder is fixed below the lifting platform. 4. The drilling device of the railway tunnel bolt trolley according to claim 1, characterized in that, the second mounting seat is installed on the lifting platform through a rotary reducer. 5. The drilling device of the railway tunnel bolt trolley according to claim 1, characterized in that, two drilling arm mechanisms on the left and right are installed on the lifting platform, and each drilling arm mechanism can rotate 180 degrees. 6. The drilling mechanism of the railway tunnel bolt trolley according to claim 1, wherein the drilling arm mechanism comprises a swing arm and a telescopic arm connected to the swing arm, and the swing arm and the telescopic arm pass through the The oil cylinder installed on the second mounting base drives the action. 7. The drilling device of the railway tunnel bolt trolley according to claim 1, wherein the drilling mechanism is mounted on the drilling arm mechanism through a swing cylinder. 8. The drilling device of the railway tunnel bolt trolley according to claim 1, wherein the drilling mechanism comprises a guide rail structure, a primary propulsion cylinder, a secondary propulsion cylinder and a hydraulic motor; The guide rail structure includes front and rear end plates, upper and lower guide rails fixed between the front and rear end plates; wear-resistant sliding sleeves are set on the lower guide rails, and wear-resistant sliding sleeves are set behind the rear end plates Set of fixedly connected sliding bottom plates; The first-stage propulsion cylinder is connected between the sliding bottom plate and the front end plate, the piston rod of the second-stage propulsion cylinder is fixed on the rear end plate, and the piston cylinder of the two-stage propulsion cylinder is provided with a guide wheel on the front and rear. , the guide wheel is covered with a closed chain, and the bottom end of the chain is fixed on the guide rail structure; The hydraulic motor is fixed on the top of the chain by drilling the base. 9. A bolting trolley for a railway tunnel, characterized in that it has the drilling device according to any one of claims 1-8.