CN204086569U - Geological radar antenna equipment moving testing device in constructing tunnel process - Google Patents

Abstract

The utility model discloses a mobile measuring device for geological radar antenna equipment during tunnel construction, which comprises a tripod, a rotating platform, an operating rod, a support rod and a fixing plate. The lower part of the turntable is a protruding threaded end, which is used to fix on the tripod. There are two direction-changing structures on the turntable for the operation rod to pass through and to control the rotation of the operation rod in four directions: left, right, up and down. The operation rod It is a nested telescopic connecting rod, one end is manually controlled, and the other end is connected to the fixed plate. There is a movable sleeve on the operating rod, and the movable nut on the side wall of the movable sleeve is connected to one end of the support rod. The other end of the other end is connected to the bottom end of the telescopic round pillar on the tripod; the fixed plate is used to fix the radar antenna equipment, and the circuit of the radar antenna equipment passes through the hole in the middle of the fixed plate and is connected to the radar host. It is convenient to disassemble, expand and contract some devices, store them separately, and reduce the space occupied by portable equipment.

Description

Mobile measurement device for geological radar antenna equipment during tunnel construction

technical field

The utility model relates to a mobile measuring device for geological radar antenna equipment during tunnel construction, in particular to a mobile measuring device for geological radar antenna equipment used in the case of high disaster risk at the face of the tunnel. the

Background technique

With the rapid development of western development, transportation projects are also stepping up. In order to improve the efficiency of transportation and the exchange of foreign culture and economy, the railways and expressways in the western mountainous areas cannot avoid building tunnels and other underground space buildings in mountainous areas. The complex geological conditions in the west have always been a major obstacle to the smooth development of the project. Through the continuous research and testing of scientific workers, in order to grasp the geological conditions in time during the tunnel construction, advanced geological forecasting has become a powerful means to predict geological conditions. Geological radar is an important tool for advanced geological forecasting. Geological radar is mainly divided into The host, antenna and connecting wires, but in the actual measurement process, multiple people are required to move the antenna equipment weighing tens of kilograms against the rock mass of the tunnel face back and forth at a certain speed, so as to complete the geological radar forecasting work. During the actual operation, it may be difficult to move the radar antenna equipment by hand due to incomplete risk removal of the rock mass on the working face, or landslides, many rocks, and unevenness of the working face. more obvious impact. the

Utility model content

In order to solve the deficiencies in the prior art, the utility model discloses a mobile measuring device for geological radar antenna equipment during tunnel construction. The mobile scanning of the geological radar antenna equipment in the case of uneven rock mass or high risk is used to measure the face more safely and in a large area in the advanced geological prediction of the tunnel. the

In order to achieve the above object, the concrete scheme of the utility model is as follows:

During the tunnel construction process, the geological radar antenna equipment mobile measurement device includes a tripod, a rotating table, an operating rod, a support rod and a fixed plate. The tripod is fixed behind the tunnel face to be measured. The lower part of the rotating table is a The protruding threaded end is used to fix on the tripod. There are two direction-changing structures on the rotating table for the operating rod to pass through and can control the rotation of the operating rod in four directions: left, right, up and down. The operating rod is a nested telescopic type. One end of the connecting rod is the manual control end, and the other end is connected to the fixed plate. There is a movable sleeve on the operating rod. The movable nut on the side wall of the movable sleeve is connected to one end of the support rod, and the other end of the support rod is connected to the to the bottom end of the telescopic circular pillar on the tripod; the fixed plate is used to fix the radar antenna equipment, and the circuit of the radar antenna equipment passes through the hole in the middle of the fixed plate to connect with the radar host. the

The tripod includes three wooden legs with adjustable length and a telescopic round pillar. The bottom ends of the legs are all cast iron compressible triangular cones. The triangular cones are provided with vertical pressure surfaces for The cone is compacted, and the round pillar is two stretchable steel rods connected up and down. the

The upper section of the telescopic steel rod is thicker and the lower section is thinner. The thicker end is provided with a fixed valve bolt to fix the length of the round pillar, and the thinner end is provided with two rotatable valves arranged side by side. type threaded end. the

The turntable is a cylinder made of ordinary carbon steel. A threaded end protrudes from the bottom of the turntable to be fixed on a tripod. There are two direction-changing structures on the turntable, and four pulleys are arranged in the disguised structure. , to reduce the telescopic resistance of the operating rod. the

There is a flat bearing on the left and right inside the turntable, which is used to control the rotation on the turntable of the two direction-changing structures, and the phase-changing structure can change the pitch around the axis. the

The operating rod is a telescopic two-section rod made of engineering plastics. A fixed valve is provided at the external connection of the two rods to control the length of the operating rod. One end of the operating rod is a manual control end, and the other end is flat with a hole. For connection to the fixed plate. the

The support rod is a telescopic rod made of engineering plastics, one end of the support rod is a movable nut, which is connected to the bottom end of the round pillar on the tripod to provide support, and the other end is a flat end with a hole. Connected to the operating rod through the movable sleeve. the

A fixed knob is arranged on the outside of the support rod to control the length of the support rod. the

The fixed plate is a rectangular engineering plastic plate, and the middle part of the fixed plate is provided with an opening to allow the transmission line on the radar antenna device to pass through. The fixed plate is provided with two hanging holes, and the hanging holes are located on a length of the fixed plate In the edge direction, it is used to keep the vertical state of the fixed plate when it is propped up. the

The hanging hole is connected with the operating rod through a hook with a lock. the

When working: Manually swing the joystick, adjust the direction and telescopic length of the joystick according to the concave and convex conditions of the surrounding rock of the working face, and then adjust the height and direction of the radar antenna equipment to complete the scanning process of the radar antenna equipment and the advanced geological forecasting work of the geological radar . The utility model fully considers the problem that the surrounding rock of the tunnel face is uneven, falling blocks and landslides cannot move the radar antenna close to the face with bare hands, and solves the problem of the face of the tunnel in a dangerous situation within the safe range. The problem of long-distance geological radar measurement keeps operators away from disaster sources, saves manpower, and ensures the accuracy of measurement. the

The beneficial effects of the utility model:

The utility model solves the problem of long-distance and close-to-type geological radar scanning of the tunnel face when the surrounding rock of the tunnel face is not neat or the risk is high, and has the following advantages:

1. It is convenient to disassemble, expand and contract some devices, and store them separately, reducing the space occupied by portable equipment;

2. It can adjust the operating height of the device and the length of the rod according to the irregularity of the surrounding rock of the working face, and can carry out radar scanning work on the target part in a targeted manner; 

3. The rotating device and telescopic rod can make the fixed plate carry the radar antenna equipment close to the palm surface, making the measurement result more accurate;

4. The radar scanning operation can be carried out away from the dangerous rock mass on the face of the tunnel, which brings high efficiency, safety and economic benefits to the geological forecasting work. the

Description of drawings

Fig. 1 is a schematic diagram of the overall structure of the utility model;

Fig. 2 is the rotary table 7 schematic diagrams in the utility model structure;

Fig. 3 is a schematic diagram of operating rod 9 and support rod 12 in the utility model structure;

Fig. 4 is a schematic diagram of movable sleeve 11 in the utility model structure;

Fig. 5 a is the front view of the direction changing structure 8 in the structure of the present utility model;

Figure 5b is a schematic diagram of the assembly of the direction changing structure 8 and the operating rod in the structure of the present utility model;

Figure 5c is a side view of the direction changing structure 8 in the utility model structure;

Fig. 6 is the fixed plate 13 schematic diagrams in the utility model structure;

Fig. 7 is a schematic diagram of the hook 15 with a lock in the structure of the utility model;

In the figure, 1. tripod; 2. triangular cone; 3. telescopic circular pillar; 4. fixed valve bolt; 9. Operating rod; 10. Fixed knob; 11. Movable sleeve; 12. Support rod; 13. Fixed plate; 14. Hanging hole; 15. Hook with lock; 16. Radar antenna equipment; 17. Radar host; 18. Tunnel face. the

Detailed ways:

The utility model is described in detail below in conjunction with accompanying drawing:

As shown in Figure 1-7, the geological radar antenna equipment mobile surveying device during the tunnel construction process includes a tripod 1, a rotating table 7, an operating rod 9, a support rod 12 and a fixed plate 13, and the tripod 1 is stable on the surveying site. At the rear of the tunnel face 18, the lower part of the turntable 7 is a protruding threaded end for fixing on the tripod 1. The turntable 7 is provided with two holes for the operation rod 9 to pass through and can control the operation. Rod 9 is a direction-changing structure 8 that rotates in four directions, left, right, up and down. The operating rod 9 is a nested telescopic connecting rod. The movable nut on the side wall of the sleeve pipe 11 is connected to one end of the support rod 12, and the other end of the support rod 12 is connected to the bottom end of the telescopic round pillar 3 on the tripod 1; the fixed plate 13 is used to fix the radar antenna device 16, The circuit of the radar antenna device 16 passes through the hole in the middle of the fixing plate 13 and is connected to the radar host 17 . the

The tripod 1 includes three wooden legs with adjustable length and a telescopic circular pillar 1. The length of the legs is adjusted by adjusting the valve bolt 6. The bottom ends of the legs are all cast iron compressible triangular cones 2, and the upper ends of the triangular cones 2 are A vertical pressure-receiving surface is provided for compacting the triangular cone 2, and the telescopic circular support 1 is two telescopic steel rods connected up and down. The upper section of the telescopic steel rod is thicker and the lower section is thinner. The thicker section end is provided with a fixed valve bolt 4 for fixing the length of the telescopic round pillar 1. The thinner section end is provided with two movable valves arranged side by side up and down. Rotary threaded end 5. the

The turntable 7 is a cylinder made of ordinary carbon steel. A threaded end emerges from the bottom of the turntable 7 to be fixed on the tripod 1. There are two direction-changing structures 8 on the turntable 7. The direction-changing structures 8 are as follows: As shown in Fig. 5a, as shown in Fig. 5c, four pulleys are arranged in the phase-changing structure 8 to reduce the telescopic resistance of the operating rod. There is a flat bearing on the left and right inside the turntable 7, which is used to control the rotation of the two direction-changing structures 8 on the turntable 7, and the phase-changing structure 8 can change the pitch and direction around the axis. the

The operating rod 9 is a telescopic two-section rod made of engineering plastics. A fixed valve is provided at the external connection of the two rods to control the length of the operating rod 9. One end of the operating rod 9 is a manual control end, and the other end is flat with a hole. , for connecting on the fixed plate 13. The support rod 12 is a telescopic rod made of engineering plastics, and one end of the support rod 12 is a movable nut, which is connected to the bottom end of the round pillar on the tripod 1 during use to provide support, and the other end is a flat end with a hole , connected to the operating rod 9 through the movable sleeve 11. The outside of the support rod 12 is provided with a fixed knob 10 for controlling the length of the support rod 12 . the

The fixed plate 13 is a rectangular engineering plastic plate, and the middle part of the fixed plate 13 is provided with an opening, in order to pass the transmission line on the radar antenna device 16, the fixed plate 13 is provided with two hanging holes 14, and the hanging holes 14 are located on the fixed surface. One long side direction of the plate 13 is used to maintain the vertical state of the fixed plate 13 when it is propped up. The hanging hole 14 is connected with the operating rod 9 through a hook 15 with a lock. the

During installation: the bottom of the legs of the tripod is a cast iron compressible triangular cone 2, which is used to compact and stabilize the tripod, and the adjustment valve bolt 6 is used to adjust the legs to make the stand level and reach a certain height. After adjusting the legs , adjust the telescopic round pillar 3 so that the end is on the ground, and tighten the fixed valve plug 4, as shown in Figure 5b, insert the two operating rods 9 into the direction changing structure 8, and put the movable sleeve 11 on the operating In the front section of the rod, after adjusting the height of the operating rod, tighten the fixed knob 10, connect a section of the support rod 12 to the movable sleeve 11, adjust the length and tighten the fixed knob 10 on it, and connect the other end to the rotatable threaded end On the head 5, use the lockable hook 15 to connect the operating rod 9 to the fixed plate 13, fix the radar antenna device 16 on the fixed plate, adjust the operating rod 9, and perform radar scanning to complete the geological radar survey work. the

There are two bearings inside the turntable 7 for rotating the phase-distorting structure 8 , and a threaded end emerges from the bottom of the turntable for connecting and fixing with the tripod 1 . The direction-changing structure 8 can rotate along the shaft in the vertical plane, and four pulleys are arranged inside it to reduce the sliding resistance of the operating rod in it. The two direction-changing structures 8 are designed one up and one down, which can facilitate operation Rod 9 is used crosswise. the

The operating rod 9 and the supporting rod 12 are highly elastic and non-conductive engineering plastic (PC, POM) rods, so as to avoid interference with the electromagnetic waves propagated by the radar antenna device 16 . The middle part of fixed plate 13 is an opening, and reserved space is convenient to allow parts such as the transmission line of radar antenna equipment to be exposed and connected, and the design of two hanging holes with holes is partial to the both sides of fixed plate 13 long sides, is convenient to fixed plate 13 and The radar antenna device 16 is in a vertical state, and the fixing plate is made of highly elastic and non-conductive engineering plastics (PC, POM), so as to avoid interfering with the electromagnetic waves propagated by the radar antenna device 16 . the

Claims (10)

1. geological radar antenna equipment moving testing device in constructing tunnel process, it is characterized in that, comprise tripod, universal stage, control lever, support bar and fixed head, described tripod is stable in the tunnel tunnel face rear of institute's testing, described universal stage bottom is a threaded end of emerging, in order to be fixed on tripod, universal stage be provided with two for control lever through and can the break-in structure that rotates of four direction up and down about control operation bar, control lever is nested telescopic connecting rod, one end is Non-follow control end, the other end is connected and fixed plate, control lever is provided with a moving casing, movable nut on the sidewall of moving casing connects one end of support bar, the other end of support bar is connected to the flexible round pillar bottom on tripod, fixed head is in order to fixed radar antenna equipment, the circuit of radar antenna equipment is connected with radar host computer through the hole in the middle part of fixed head.

2. geological radar antenna equipment moving testing device in constructing tunnel process as claimed in claim 1, it is characterized in that, described tripod comprises supporting leg and a telescopic round pillar of three wooden controllable length, supporting leg bottom is the pyrometric cone of cast iron pressable, pyrometric cone is provided with Vertical Compression face, in order to by pyrometric cone compacting, circle pillar is the telescopic steel pole that two-section connects up and down.

3. geological radar antenna equipment moving testing device in constructing tunnel process as claimed in claim 2, it is characterized in that, described telescopic steel pole upper section thick lower section carefully, one section of thicker end is provided with fixing bibcock, in order to the length of fixing round pillar, one section of thinner end is provided with the threaded end of two rotary types side by side up and down.

4. geological radar antenna equipment moving testing device in constructing tunnel process as claimed in claim 1, it is characterized in that, described universal stage is the right cylinder of common carbonaceous steel, be that a threaded end is emerged under universal stage, in order to be fixed on tripod, universal stage is two break-in structures, in covert structure, is provided with four pulleys, to stretch resistance in order to reduce control lever.

5. geological radar antenna equipment moving testing device in constructing tunnel process as claimed in claim 1, it is characterized in that, respectively be provided with a horizontal bearing about described universal stage inside, rotate on rotary table top in order to control two break-in structures, covert structure can carry out pitching break-in around axle.

6. geological radar antenna equipment moving testing device in constructing tunnel process as claimed in claim 1, it is characterized in that, described control lever is the telescopic two-section rod member of engineering plastics system, two-section rod member external connections is provided with standing valve, in order to the length of control operation bar, one of control lever is manual end, and other end is flat with holes, in order to be connected on fixed head.

7. geological radar antenna equipment moving testing device in constructing tunnel process as claimed in claim 1, it is characterized in that, described support bar is the telescopic rod member of engineering plastics system, one of support bar is movable nut, be connected on the bottom of the round pillar on tripod during use, in order to provide support power, other end is Flat belt nose end, is connected on control lever by moving casing.

8. geological radar antenna equipment moving testing device in constructing tunnel process as claimed in claim 7, it is characterized in that, the outside of described support bar is provided with fixed knob, in order to control the length of support bar.

9. geological radar antenna equipment moving testing device in constructing tunnel process as claimed in claim 1, it is characterized in that, described fixed head is rectangle engineering plastics making sheet part, the middle part of fixed head is provided with opening, pass through in order to make the transmission line on radar antenna equipment, fixed head is provided with two hanging holes, and hanging hole is located on a long side direction of fixed head, plumbness when being propped up in order to keep fixed head.

10. geological radar antenna equipment moving testing device in constructing tunnel process as claimed in claim 9, is characterized in that, described hanging hole is connected with control lever by band locking and hanging hook.