A protective device and method for detecting collision and slippage of equipment

Abstract

The present invention discloses a device and method for protecting detection equipment from collision and slippage. The device includes a rotating pan-tilt platform, a protection frame, a slippage device base, a safety rope, and a connecting bracket. When the protection frame collides with an obstacle and falls from the top of the lifting arm, the protection frame is pulled by the safety rope during the falling process, thereby preventing the protection frame equipped with a radar from falling to the ground and being damaged. The device for protecting detection equipment from collision and slippage disclosed by the present invention can be applied to engineering practices in complex situations, and is particularly suitable for tunnel detection with many uncertain factors. Even if the protection frame collides with an obstacle in the tunnel, the device for protecting detection equipment from collision and slippage can make the protection frame the first point of collision. The protection frame slides and falls off under the action of the collision force and is pulled by the safety rope, thereby preventing the radar from falling to the ground and being damaged. The device has strong practicality and a wide range of applications, and is worthy of large-scale promotion and application.

Description

Technical Field

[0001] The present invention relates to the technical field of tunnel detection, and in particular to a device and method for protecting detection equipment from collision and slippage. Background Art

[0002] During the tunnel inspection process, the tunnel inspection vehicle travels at a speed of no more than 10km / h, and uses the telescopic arm to lift the radar device located on the top of the telescopic arm so that the radar is close to the inspected surface of the tunnel lining and always maintains a distance of 100mm. During this period, the internal structure of the tunnel lining is scanned to obtain information, and then the information is transmitted to the connected inspection host through the radar cable.

[0003] Due to obstacles such as construction joints and various exposed steel bars in the tunnel, a radar scanning collision avoidance system is installed in front of the detection radar to protect the valuable radar equipment. The system can detect obstacles 5 meters in advance and perform telescopic arm retraction operations. However, during the actual on-site inspection process, there are many uncertainties, such as pits or protrusions on the ground, driver's operating errors, and failure of the radar scanning collision avoidance system. These factors may cause the radar on the tunnel inspection vehicle to collide with obstacles in the tunnel, causing the radar to fall from the tunnel inspection vehicle to the ground and be damaged. Summary of the Invention

[0004] One of the purposes of the present invention is to provide a device for protecting detection equipment from collision and slippage, by providing a passive collision avoidance device to protect the radar. Another purpose of the present invention is to provide a method for protecting detection equipment from collision and slippage. The present invention provides a device and method for protecting detection equipment from collision and slippage, which are used to solve the problem that the radar on a tunnel detection vehicle collides with an obstacle in the tunnel, causing the radar to fall into the tunnel vehicle and be damaged.

[0005] The present invention discloses a protective device for detecting equipment that is collided and slipped, which is used to be arranged at the end of a telescopic arm, including a rotating platform, a protection frame, a slipping device base, a safety rope and a connecting bracket, wherein the two ends of the rotating platform are respectively arranged at the two ends of the end of the telescopic arm; the two ends of the safety rope are respectively fixed to the protection frame and the end of the telescopic arm; the slipping device base includes a rectangular base and a force-adjustable release mechanism, and the rectangular base is fixed to the rotating platform through the connecting bracket; the force-adjustable release mechanism includes a protection frame fixing part and a rectangular base fixing part, the protection frame fixing part is fixed to the protection frame, and the rectangular base fixing part is fixed to the on the rectangular base; the protection frame is used to install the radar, the protection frame can be slidably set on the rectangular base, the protection frame fixing part and the rectangular base fixing part are connected together, and the connection between the two meets the following conditions: when the release force applied to the protection frame exceeds the connection binding force between the protection frame fixing part and the rectangular base fixing part, the protection frame fixing part and the rectangular base fixing part are disengaged, and the protection frame and the radar inside it slide on the rectangular base for a distance and then fall from the tunnel detection vehicle. During the falling process of the protection frame, it is pulled by the safety rope, thereby preventing the protection frame equipped with the radar from falling to the ground and being damaged.

[0006] The present invention also discloses a method for protecting a detection device from collision and slippage, which uses the above-mentioned device for protecting the detection device from collision and slippage. The method comprises the following steps:

[0007] Step S1: Place the radar in a protective frame and fill the surrounding area with a sponge layer;

[0008] Step S2: Install the rails of the left and right linear guide rails and the buckle seats of the limit buckles on the rectangular base, respectively; and install the sliders of the left and right linear guide rails and the buckle seats of the limit buckles on the protective frame;

[0009] Step S3: Slide the sliders on both sides of the protection frame onto the tracks of the left linear slide rail and the right linear slide rail until the clamping blocks of the protection frame are engaged with the buckle seats of the rectangular base;

[0010] Step S4: Mount the rectangular base on the rotating platform through the connecting bracket;

[0011] Step S5: Connecting the two ends of the safety rope to the protection frame and the end of the telescopic arm respectively;

[0012] Step S6: When the protection frame encounters an obstacle while traveling on the tunnel inspection vehicle, the protection frame is impacted and the restriction buckle is released. Under the push of the obstacle or the inertia of the impact, the protection frame slides horizontally on the left linear slide rail and the right linear slide rail until it slides out of the left linear slide rail and the right linear slide rail and falls off, and finally the protection frame is pulled by the safety rope.

[0013] Compared with the prior art, the present invention has the following beneficial effects:

[0014] The present invention discloses a device and method for protecting detection equipment from collision and slippage. When a protective frame on a tunnel inspection vehicle is moving, the protective frame, equipped with a radar, travels normally along with the vehicle due to the connection between the protective frame fixing portion of a force-adjustable release mechanism and the rectangular base fixing portion. Once the protective frame collides with an obstacle, and the collision force exceeds a certain limit, the protective frame fixing portion of the force-adjustable release mechanism and the rectangular base fixing portion are forced to disengage and slip. Due to inertia, the protective frame and the radar inside slide a distance on the rectangular base before falling from the vehicle. During the fall, the protective frame is caught by a safety rope. This not only prevents the protective frame and the radar antenna from being shattered by a rigid collision, but also prevents damage from continued compression, thereby preventing the protective frame equipped with the radar from falling to the ground and being damaged. Therefore, the protective device prevents rigid collisions and damage from continued compression, thereby preventing slippage. That is, even if the protective frame falls off, it will not fall to the ground, thus protecting the radar in an emergency. The collision and slippage protection device for detection equipment disclosed in the present invention can be applied to engineering practices in complex situations, and is particularly suitable for tunnel inspections with many uncertain factors, such as pits or bosses on the ground, driver's operating errors, and failure of the radar scanning collision avoidance system. Even if these factors may cause the protection frame on the tunnel inspection vehicle to collide with obstacles in the tunnel, the collision and slippage protection device for detection equipment can make the protection frame the first collision point, and the protection frame slide and fall off under the action of the collision force and be pulled by a safety rope, so as to prevent the radar from falling to the ground and being damaged. The device has strong practicality and wide application, and is worthy of large-scale promotion and application. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 A schematic diagram of the external three-dimensional structure of the protection device for detecting collision and slippage of equipment provided in Example 1 of the present invention;

[0016] Figure 2 A front view of the protection device for detecting collision and slippage of equipment provided in Example 1 of the present invention;

[0017] Figure 3 A side view of the protection device for detecting collision and slippage of equipment provided in Example 1 of the present invention;

[0018] Figure 4 An exploded view of the restraining buckle provided in Example 1 of the present invention;

[0019] Figure 5 A schematic diagram of the three-dimensional structure of the sliding device base provided in Example 1 of the present invention;

[0020] Figure 6 A schematic diagram of the three-dimensional structure of the rotating platform provided in Example 1 of the present invention;

[0021] Figure 7 A schematic diagram of the three-dimensional structure of the telescopic arm end provided in Example 1 of the present invention;

[0022] Figure 8 This is an exploded view of the connecting bracket provided in Example 1 of the present invention. DETAILED DESCRIPTION

[0023] The present invention discloses a device and method for protecting detection equipment from collision and slippage. The detection equipment is a radar antenna, and the device is used on a tunnel inspection vehicle. A protective frame and the radar inside it slide a certain distance on a rectangular base due to inertia, then fall from the vehicle. During the fall, the protective frame is caught by a safety rope, preventing the protective frame containing the radar from falling to the ground and being damaged. This means that even if the protective frame falls off, it will not fall to the ground from a height, thus protecting the radar in an emergency.

[0024] Example 1

[0025] Example 1 provides a protective device for detecting collision and slippage of equipment, which is used to be set at the end of the telescopic arm 100. Its structure is described in detail below.

[0026] refer to Figures 1 to 3 The collision and slip protection device of the detection equipment includes a rotating pan-tilt platform 1, a protection frame 2, a slip device base 3, a safety rope 4 and a connecting bracket 5.

[0027] The two ends of the rotating pan-tilt head 1 are respectively arranged at the two ends of the telescopic arm 100; the two ends of the safety rope 4 are respectively fixed to the protective frame 2 and the end of the telescopic arm 100; the sliding device base 3 includes a rectangular base 31 and a force-adjustable release mechanism, and the rectangular base 31 is fixed to the rotating pan-tilt head 1 via a connecting bracket 5; the force-adjustable release mechanism includes a protective frame fixing portion and a rectangular base fixing portion, the protective frame fixing portion is fixed to the protective frame 2, and the rectangular base fixing portion is fixed to the rectangular base 31;

[0028] The protective frame 2 is used to install the radar. The protective frame 2 can be slidably set on the rectangular base 31, and the protective frame fixing part and the rectangular base fixing part are connected together, but the connection between the two meets the following conditions: when the release force applied to the protective frame 2 exceeds the binding force between the protective frame fixing part and the rectangular base fixing part, the protective frame fixing part and the rectangular base fixing part are disengaged, and the protective frame 2 and the radar inside it slide on the rectangular base 31 for a distance and then fall from the tunnel inspection vehicle. During the falling process, the protective frame 2 is pulled by the safety rope 4, thereby preventing the protective frame 2 equipped with the radar from falling to the ground and being damaged.

[0029] As a specific embodiment of the force-adjustable release mechanism, the force-adjustable release mechanism is a limit buckle 30, refer to Figure 4 The limiting buckle 30 includes a buckle seat 301 and a card block 303. The card block 303 is provided with a card slot 300, and the card block 303 is fixed on the protective frame 2; a lock head 302 is provided on the buckle seat 301, and the buckle seat 301 is fixed on the rectangular base 31; the card block 303 of the protective frame 2 is snap-fitted with the buckle seat 301 of the rectangular base 31.

[0030] Specifically, the limiting buckle 30 is a copper bumper structure, which is an existing technology and is available on the market. When locked, the lock head 302 of the limiting buckle 30 is inserted into the slot 300 of the block 303, and the bumper limits the lock head 302 from being released. When the release force is greater than the limit force of the bumper, the lock head is released. The locking force can be increased or decreased by adjusting the adjustment screws at both ends of the slot 300. The buckle seat 301 is installed on the rectangular base 31, and the block 303 of the limiting buckle 30 is installed on the protective frame 2. When the release force of the protective frame 2 exceeds the locking force of the limiting buckle 30, the limiting buckle 30 is released. For example, adjust the adjusting screw on the limiting buckle 30 so that the release force of the protective frame 2 reaches the limit requirement of about 2 kg.

[0031] As another specific implementation of the force-adjustable release mechanism, the force-adjustable release mechanism is an easily-breakable rope, and both ends of the easily-breakable rope are respectively fixed to the rectangular base 31 and the protective frame 2 .

[0032] In order to realize that the protection frame 2 can be slidably arranged on the rectangular base 31, one specific embodiment is to refer to Figure 5 The sliding device base 3 includes a left linear slide rail 32 and a right linear slide rail 33. The left linear slide rail 32 and the right linear slide rail 33 each include a track 321 and at least one slider 322. The tracks 321 of the left linear slide rail 32 and the right linear slide rail 33 are respectively fixed on both sides of the rectangular base 31. The slider 322 of the left linear slide rail 32 and the slider 322 of the right linear slide rail 33 are fixed on both sides of the bottom surface of the protective frame 2. The slider 322 of the left linear slide rail 32 or the right linear slide rail 33 can slide on its track 321.

[0033] It is worth mentioning that the setting direction of the track 321 of the left linear slide 32 and the right linear slide 33 should be consistent with the travel direction of the tunnel inspection vehicle, so that the protection frame 2 can maintain inertial sliding.

[0034] To facilitate the passage of the detection equipment cable connector in the event of slippage, the rectangular base 31 is provided with a notch 310, which is 50 mm long. Preferably, the notch 310 is located on the short side of the rectangular base 31 perpendicular to the direction of travel of the tunnel inspection vehicle, which facilitates the passage of the detection equipment cable connector in the event of slippage.

[0035] Specifically, the slider 322 is a ball bearing slider, and the left linear slide rail 32 and the right linear slide rail 33 are linear polished rod guide rails.

[0036] As a specific embodiment of connecting the rotating platform 1 and the end of the telescopic arm 100, refer to Figure 6 and Figure 7 The end of the telescopic arm 100 is equipped with a rotary motor 101. The output shafts of the rotary motor 101 extend from both ends of the telescopic arm 100. The two ends of the rotating platform 1 are respectively mounted on the output shafts of the rotary motor 101. The rotating platform 1 is mounted on the rotary motor 101 at the end of the telescopic arm 100 to ensure that it can rotate around the end of the telescopic arm 100 up to an angle of 120 degrees. In addition, the rotating platform 1 also has a slot for detecting the slippage of equipment cable connectors.

[0037] In order to reduce external interference to radar detection, the protection frame 2 is a fully non-metallic structure, preferably made of lightweight, high-strength fiberglass, more specifically, glass fiber reinforced composite material.

[0038] The protection frame 2 is divided into two parts: a frame body 21 and a top plate 22 . The frame body 21 has a bottom plate, and the frame body 21 and the top plate 22 are connected by plastic bolts.

[0039] In order to reduce its own weight, the protection frame 2 is provided with elongated holes around its periphery.

[0040] In order to facilitate the radar cable 20 to pass through the protective frame 2 and connect to the radar, a radar cable threading hole is opened at the bottom of the protective frame 2. One end of the radar cable 20 is connected to the detection host, and the other end passes through the radar cable threading hole and is connected to the radar.

[0041] In order to facilitate the installation of the radar, the inner cavity size of the protection frame 2 is larger than the radar size. When the radar is placed, buffer sponges are placed around the inside of the protection frame 2 to reduce the direct impact on the radar in the event of a collision.

[0042] In order to ensure that the safety rope 4 does not break when pulling the protection frame 2, the safety rope 4 is a flat belt rope with an effective bearing capacity of not less than 200kg.

[0043] refer to Figure 8 The connecting bracket 5 includes a left bracket part and a right bracket part. Both the left bracket part and the right bracket part are composed of two connecting pieces. The left bracket part connects the left side of the rotating platform 1 with the left side of the rectangular base 31, and the right bracket part connects the right side of the rotating platform 1 with the right side of the rectangular base 31, thereby realizing the connecting bracket 5 connecting the rotating platform 1 and the rectangular base 31 of the sliding device base 3.

[0044] Example 2

[0045] Example 2 provides a method for protecting a detection device from collision and slippage, using the device for protecting the detection device from collision and slippage provided in Example 1. The method includes the following steps:

[0046] Step S1: Place the radar or other detection equipment in the protective frame 2 and fill the surrounding area with a sponge layer;

[0047] Step S2: The rails 321 of the left linear guide rail 32 and the right linear guide rail 33 and the buckle seat 301 of the limit buckle 30 are respectively installed on the rectangular base 31 , and the sliders 322 of the left linear guide rail 32 and the right linear guide rail 33 and the buckle seat 301 of the limit buckle 30 are installed on the protective frame 2 ;

[0048] Step S3: Slide the sliders 322 on both sides of the protection frame 2 onto the rails 321 of the left linear guide rail 32 and the right linear guide rail 33 until the clamping block 303 of the protection frame 2 is engaged with the buckle seat 301 of the rectangular base 31;

[0049] Step S4: The rectangular base 31 is then mounted on the rotating platform 1 via the connecting bracket 5;

[0050] Step S5: Connect the two ends of the safety rope 4 to the protection frame 2 and the end of the telescopic arm 100 respectively;

[0051] Step S6: When the protection frame 2 encounters an obstacle while the tunnel inspection vehicle is moving, the protection frame 2 is impacted and the limit buckle 30 is released. Under the push of the obstacle or the inertia of the impact, the protection frame 2 slides horizontally on the left linear slide rail 32 and the right linear slide rail 33 until it slides out of the left linear slide rail 32 and the right linear slide rail 33 and falls off, and finally the protection frame 2 is pulled by the safety rope 4.

[0052] Although the present invention has been described in detail above using general descriptions and specific embodiments, it will be apparent to those skilled in the art that modifications and improvements may be made thereto. Therefore, such modifications and improvements, without departing from the spirit of the present invention, are intended to be within the scope of protection claimed herein.

Claims

1. A protective device for detecting collision and slippage of equipment, used to be arranged at the end of a telescopic arm (100), characterized in that: include: A rotating platform (1), wherein two ends of the rotating platform (1) are respectively arranged at two ends of the telescopic arm (100); Protective frame (2); A safety rope (4), with two ends of the safety rope (4) respectively fixed to the protection frame (2) and the end of the telescopic arm (100); Connecting bracket (5); The sliding device base (3) comprises a rectangular base (31) and a force-adjustable release mechanism, the connecting bracket (5) comprises a left bracket portion and a right bracket portion, the left bracket portion and the right bracket portion are both composed of two connecting pieces, the left bracket portion connects the left side of the rotating platform (1) with the left side of the rectangular base (31), the right bracket portion connects the right side of the rotating platform (1) with the right side of the rectangular base (31), and the rectangular base (31) is fixed to the rotating platform (1) through the connecting bracket (5); the force-adjustable release mechanism comprises a protection frame fixing portion and a rectangular base fixing portion, the protection frame fixing portion is fixed to the protection frame (2), and the rectangular base fixing portion is fixed to the rectangular base (31); The protective frame (2) is used to install a radar, and the protective frame (2) is slidably arranged on the rectangular base (31). The fixing portion of the protective frame and the fixing portion of the rectangular base are connected together, and the connection between the two meets the following conditions: When the release force applied to the protection frame (2) exceeds the connecting force between the protection frame fixing portion and the rectangular base fixing portion, the protection frame fixing portion and the rectangular base fixing portion are disengaged, and the protection frame (2) and the radar inside thereof slide on the rectangular base (31) for a distance and then fall from the tunnel inspection vehicle. During the falling process, the protection frame (2) is caught by the safety rope (4), thereby preventing the protection frame (2) equipped with the radar from falling to the ground and being damaged.

2. The device for protecting the detection equipment from collision and slippage according to claim 1, characterized in that: The force-adjustable release mechanism is a limit buckle (30), The limiting buckle (30) comprises a buckle seat (301) and a clamping block (303), wherein the clamping block (303) is provided with a clamping slot (300), and the clamping block (303) is fixed on the protective frame (2); A lock head (302) is provided on the buckle seat (301), and the buckle seat (301) is fixed on the rectangular base (31); The clamping block (303) of the protection frame (2) is clamped and buckled with the buckle seat (301) of the rectangular base (31).

3. The device for protecting the detection equipment from collision and slippage according to claim 1, characterized in that: The force-adjustable release mechanism is an easy-to-break rope, with both ends of the easy-to-break rope being fixed to the rectangular base (31) and the protective frame (2), respectively.

4. The device for protecting the detection equipment from collision and slippage according to claim 2, characterized in that: The sliding device base (3) comprises a left linear slide rail (32) and a right linear slide rail (33), The left linear slide rail (32) and the right linear slide rail (33) each include a track (321) and at least one slider (322); the tracks (321) of the left linear slide rail (32) and the right linear slide rail (33) are respectively fixed on both sides of the rectangular base (31); the sliders (322) of the left linear slide rail (32) and the sliders (322) of the right linear slide rail (33) are fixed on both sides of the bottom surface of the protection frame (2); and the sliders (322) of the left linear slide rail (32) or the right linear slide rail (33) can slide on their tracks (321).

5. The protection device for detecting equipment against collision and slippage according to claim 4, characterized in that: The slider (322) is a ball bearing slider, and the left linear slide rail (32) and the right linear slide rail (33) are linear polished rod guide rails.

6. The device for protecting the detection equipment from collision and slippage according to claim 4, characterized in that: The rectangular base (31) is provided with a notch (310) for facilitating the passage of the cable connector of the detection device when it slips off, and the rotating platform (1) is provided with a notch for facilitating the passage of the cable connector of the detection device when it slips off.

7. The device for protecting the detection equipment from collision and slippage according to claim 1, characterized in that: A rotating motor (101) is built into the end of the telescopic arm (100), and an output shaft of the rotating motor (101) extends out from both side end surfaces of the end of the telescopic arm (100), and both ends of the rotating platform (1) are respectively arranged on the output shaft of the rotating motor (101).

8. The device for protecting the detection equipment from collision and slippage according to claim 1, characterized in that: The protection frame (2) is a fully non-metallic structure, comprising a frame body (21) and a top plate (22); the frame body (21) is provided with a bottom plate, and the top plate (22) is covered on the upper end of the frame body (21).

9. The device for protecting the detection equipment from collision and slippage according to claim 1, characterized in that: The bottom of the protection frame (2) is provided with a radar cable threading hole; Buffer sponges are placed around the inside of the protection frame (2).

10. A method for protecting a detection device from collision and slippage, using the device for protecting a detection device from collision and slippage according to any one of claims 4 to 6, characterized in that: The protection method includes the following steps: Step S1: Place the detection device in the protective frame (2) and fill the surrounding area of ​​the detection device with a sponge layer; Step S2: The rails (321) of the left linear guide rail (32) and the right linear guide rail (33) and the buckle seat (301) of the limit buckle (30) are respectively mounted on the rectangular base (31), and the sliders (322) of the left linear guide rail (32) and the right linear guide rail (33) and the buckle seat (301) of the limit buckle (30) are mounted on the protective frame (2); Step S3: Slide the sliders (322) on both sides of the protection frame (2) onto the tracks (321) of the left linear slide rail (32) and the right linear slide rail (33) until the block (303) of the protection frame (2) is engaged with the buckle seat (301) of the rectangular base (31); Step S4: The rectangular base (31) is then mounted on the rotating platform (1) via the connecting bracket (5); Step S5: connecting the two ends of the safety rope (4) to the protection frame (2) and the end of the telescopic arm (100) respectively; Step S6: When the protection frame (2) encounters an obstacle while traveling on the tunnel inspection vehicle, the protection frame (2) is impacted, and the restriction buckle (30) is released. Under the push of the obstacle or the inertia of the impact, the protection frame (2) slides horizontally on the left linear slide rail (32) and the right linear slide rail (33) until it slides out of the left linear slide rail (32) and the right linear slide rail (33) and falls off, and finally the protection frame (2) is pulled by the safety rope (4).

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