Water conservancy dam ground penetrating radar cart

Abstract

The utility model belongs to the technical field of water conservancy dam detection equipment, and relates to a water conservancy dam ground penetrating radar cart which comprises a bottom frame, a wheel frame and wheels. The bottom frame comprises two straight pipes; the wheel carrier comprises four L-shaped pipes, a first connecting rod is arranged between each L-shaped pipe and the straight pipe, one end of each first connecting rod is fixedly connected to one end of the corresponding L-shaped pipe, the other end of each first connecting rod is installed in the straight pipe in a penetrating mode, the first connecting rods and the straight pipe are detachably connected by installing connecting pieces in plug pin holes in a penetrating mode, and a second connecting rod is arranged between every two L-shaped pipes distributed front and back; the number of the wheels is four, the four wheels are installed on the four L-shaped pipes in a rolling mode respectively, and the wheel distance between the two wheels at the two ends of the straight pipe can be adjusted by adjusting the length of the overlapped section between the first connecting rod and the straight pipe. The wheel track of the cart is adjustable, the ground penetrating radar cart can be pushed to move more trustingly on a narrow platform after the wheel track is adjusted to be small, operation is more convenient, and risks such as rollover and tumbling of the cart caused by narrow width of the platform can be reduced.

Description

TECHNICAL FIELD

[0001] The utility model belongs to water conservancy dam detection equipment technical field relates to a water conservancy dam ground penetrating radar trolley. BACKGROUND

[0002] Water conservancy dam is an important water conservancy facility. However, over time, water conservancy dam can have cracks, cavities and other diseases, threatening its structural integrity and function. There are many ways to detect water conservancy dam cracks, cavities, permeability and other safety hazards, such as visual detection method, instrument measurement method and non-destructive testing method; Among them, ground penetrating radar is a non-destructive testing technology that uses high-frequency electromagnetic waves to detect underground structures, which can quickly and accurately obtain the image of the underground target, and belongs to a non-destructive testing method.

[0003] The mobile ground penetrating radar (also known as portable ground penetrating radar) is composed of a trolley and detection equipment such as a GPR sensor and a display unit installed on the trolley, and the trolley serves as the installation and movement basis for the detection equipment. The existing multi-layer platform of water conservancy dam, the top layer platform is usually spacious and flat, but for other layers of platform on the slope, it is not as spacious and flat as the top layer platform, but rather narrow. The wheelbase of the existing ground penetrating radar trolley is usually designed with a fixed size, such as the RD1000 series ground penetrating radar and the ground penetrating radar trolleys disclosed in patents CN216269383U and CN216659925U. It is convenient to push the mobile ground penetrating radar to detect on the top layer platform, but when moving on the narrow other layer platform, due to the narrow platform width and large wheelbase, the ground penetrating radar trolley needs to be pushed carefully, which is not convenient to operate, and there is a risk of tipping and rolling. UTILITY MODEL CONTENTS

[0004] The utility model aims at: provide a kind of water conservancy dam ground penetrating radar trolley, the wheelbase of this trolley is adjustable, to solve the wheelbase of existing ground penetrating radar trolley not adjustable in the above background technology, and there is the problem of inconvenient operation and tipping, rolling and other risks when pushing it to move on narrow platform.

[0005] The utility model realizes the following technical solutions:

[0006] A kind of water conservancy dam ground penetrating radar trolley, comprising:

[0007] The chassis includes two straight pipes arranged in parallel and spaced apart in the front-rear direction, and a plurality of plug holes are arranged in the left-right direction at the left and right ends of each straight pipe.

[0008] The wheel frame comprises four L-shaped tubes, which are respectively arranged at two ends of two straight tubes, and a first connecting rod is arranged between each L-shaped tube and the straight tube, one end of the first connecting rod is fixedly connected to one end of the L-shaped tube, the other end of the first connecting rod is arranged in the straight tube and is provided with a bolt hole, the first connecting rod and the straight tube are detachably connected through a connecting piece arranged in the bolt hole, a second connecting rod is arranged between two front and rear L-shaped tubes, two ends of the second connecting rod are respectively fixedly connected to the other ends of the two L-shaped tubes, and the second connecting rod connects the two front and rear L-shaped tubes into one whole.

[0009] The four wheels are arranged, and the four wheels are respectively rollably arranged on the four L-shaped tubes, the wheel spacing between the two wheels at two ends of the straight tube can be adjusted by adjusting the length of the overlapping section between the first connecting rod and the straight tube, specifically, the connecting pieces at two ends of the straight tube are disassembled, the length of the overlapping section between the first connecting rod and the straight tube is adjusted according to the hole spacing of the adjacent bolt holes on the straight tube, and then the connecting pieces are reassembled, so that the wheel spacing at two ends of the straight tube is adjusted; specifically, the connecting piece is a bolt or a screw, which is convenient to disassemble and assemble.

[0010] Further, the cart further comprises a bottom tray for mounting a ground penetrating radar (GPR) sensor, the bottom tray is mounted on the bottom frame, and the outer bottom surface of the bottom tray is higher than the top edge of the wheel, when adjusting the wheel spacing between the two wheels at two ends of the straight tube, the wheel can be located below the bottom tray to avoid the bottom tray blocking the wheel.

[0011] Further, the bottom frame further comprises a plurality of first reinforcing rods arranged in parallel and spaced apart in the left-right direction between the two straight tubes, two ends of each first reinforcing rod are respectively fixedly connected (welded or bolted) to the two straight tubes, and a plurality of second reinforcing rods are arranged between the two adjacent first reinforcing rods; the stability and reliability of the bottom frame can be improved by arranging the first reinforcing rods and the second reinforcing rods.

[0012] Further, the cart further comprises a handle frame, the bottom end of the handle frame is detachably connected to the bottom tray, and the handle frame is used for pushing the ground penetrating radar cart by a detection personnel.

[0013] Further, the handle frame comprises two first inclined tubes arranged in parallel and spaced apart in the left-right direction, the bottom ends of the two first inclined tubes are respectively detachably connected to the left side wall and the right side wall of the bottom tray through connecting pieces; the middle part of each first inclined tube is connected with a second inclined tube, the bottom ends of the two second inclined tubes are respectively detachably connected to the left side wall and the right side wall of the bottom tray through connecting pieces, so as to maintain the inclination of the first inclined tube; a U-shaped tube for holding by the detection personnel is arranged between the top ends of the two first inclined tubes, and the detection personnel holds the U-shaped tube to push the ground penetrating radar cart.

[0014] Further, a first cross beam tube is arranged between the top ends of the two first inclined tubes, which can improve the stability and reliability of the handle frame.

[0015] Further, vertical support pipes are arranged between the two ends of the U-shaped pipe and the bottom tray, the bottom ends of the two vertical support pipes are respectively detachably connected to the left side wall and the right side wall of the bottom tray through connecting pieces, and the top ends of the two vertical support pipes are connected to the U-shaped pipe, so that the reliability of the U-shaped pipe is improved, and the stability and reliability of the handle frame are enhanced.

[0016] Further, the cart further comprises a top tray for mounting a ground penetrating radar display unit, the top tray is mounted on the first cross beam pipe, and the display unit is convenient for the detection personnel to view during the movement of the ground penetrating radar cart.

[0017] Further, the bottom tray and the top tray are both in a basket structure, which can help to reduce the overall weight of the ground penetrating radar cart and facilitate the pushing of the detection personnel.

[0018] Compared with the prior art, the utility model has the following beneficial effects:

[0019] The cart is used as the mounting base and the moving carrier of detection equipment such as a ground penetrating radar GPR sensor and a display unit, and the detection equipment can be moved and detected for safety hazards such as cracks, cavities and permeation of the water conservancy dam by pushing the cart, based on the telescopic structure formed by the first connecting rod and the straight pipe between the wheel frame and the bottom frame of the cart, the wheel track can be adjusted by adjusting the length of the overlapping degree between the first connecting rod and the straight pipe, for the narrow platform on the dam slope, the wheel track of the cart can be adjusted to be small, so that the cart is adapted to the width of the platform, the ground penetrating radar cart can be pushed more safely on the narrow platform, the operation is more convenient, and the risk of cart rollover and rolling caused by the narrow width of the platform is reduced. BRIEF DESCRIPTION OF DRAWINGS

[0020] In order to more clearly illustrate the specific embodiments of the utility model or the technical solutions in the prior art, the following will briefly introduce the drawings needed to be used in the specific embodiments or the prior art description. In all the drawings, similar elements or parts are generally identified by similar reference numerals. In the drawings, each element or part is not necessarily drawn according to the actual proportion.

[0021] Figure 1 It is a front view structural schematic diagram of the utility model.

[0022] Figure 2 It is a right view structural schematic diagram of the utility model.

[0023] Figure 3 It is a Figure 2 A-A direction sectional view structural schematic diagram.

[0024] Figure 4 It is a Figure 1 Structural schematic diagram when the wheel track is adjusted to be small.

[0025] The names of the components in the figure are: 1, bottom frame; 1.1, straight pipe; 1.2, first reinforcing rod; 1.3, second reinforcing rod; 2, wheel frame; 2.1, L-shaped pipe; 2.2, first connecting rod; 2.3, second connecting rod; 3, wheel; 4, bottom tray; 5, handle frame; 5.1, first inclined pipe; 5.2, tee pipe; 5.3, first cross beam pipe; 5.4, second cross beam pipe; 5.5, second inclined pipe; 5.6, U-shaped pipe; 5.7, vertical support pipe; 6, top tray; 7, sleeve; 8, second support plate; 9, screw; 10, connecting piece; 11, first support plate; 12, bolt hole. DETAILED DESCRIPTION

[0026] The embodiments of the technical scheme of the utility model will be described in detail below with reference to the drawings. The following embodiments are only used to more clearly illustrate the technical scheme of the utility model, and therefore only serve as examples, and cannot limit the protection scope of the utility model.

[0027] In the description of the present application, it should be understood that the terms "upper", "lower", "top", "bottom", "inner", "outer", "front", "rear", "left", "right" and the like indicate the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the utility model and simplifying the description, and therefore cannot be understood as indicating or implying that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the utility model.

[0028] A water conservancy dam ground penetrating radar trolley, as shown in Figure 1 and Figure 2 , mainly comprises a bottom frame 1, a wheel frame 2, a wheel 3, a bottom tray 4, a handle frame 5, a top tray 6, a screw 9 and a connecting piece 10.

[0029] As shown in Figures 1 to 3 , the bottom frame 1 comprises two straight pipes 1.1 arranged in parallel and spaced apart in the front-rear direction, and a plurality of first reinforcing rods 1.2 arranged in parallel and spaced apart in the left-right direction between the two straight pipes 1.1, a plurality of bolt holes 12 are formed in the left and right ends of each straight pipe 1.1 and distributed in the left-right direction, the two ends of each first reinforcing rod 1.2 are respectively welded to the two straight pipes 1.1, and a plurality of second reinforcing rods 1.3 are welded between the adjacent two first reinforcing rods 1.2, the bottom frame 1 welded by the straight pipes 1.1, the first reinforcing rods 1.2 and the second reinforcing rods 1.3 is stable and reliable in structure and has strong weighing capacity.

[0030] As shown in Figures 1 to 3As shown, the wheel frame 2 comprises four L-shaped tubes 2.1, which are respectively located at the two ends of the two straight tubes 1.1, and a first connecting rod 2.2 is arranged between each L-shaped tube 2.1 and the straight tube 1.1, one end of the first connecting rod 2.2 is fixedly connected to one end of the L-shaped tube 2.1, and the other end is arranged in the straight tube 1.1 and is provided with a bolt hole 12, the first connecting rod 2.2 and the straight tube 1.1 are detachably connected through the connecting piece 10 arranged in the bolt hole 12, a second connecting rod 2.3 is arranged between the front and rear two L-shaped tubes 2.1, and the two ends of the second connecting rod 2.3 are respectively fixedly connected to the other ends of the two L-shaped tubes 2.1, so that the front and rear two L-shaped tubes 2.1 are connected as a whole.

[0031] As shown in Figures 1 to 3 , the wheels 3 are provided with four, and the four wheels 3 are respectively rollably installed on the four L-shaped tubes 2.1, specifically, a wheel shaft is installed on each L-shaped tube 2.1, and a center bearing of the wheel 3 is rotatably installed on the wheel shaft, which is the same as the wheel and its installation structure of the existing trolley, and the wheel pitch between the two wheels 3 at the two ends of the straight tube 1.1 can be adjusted by adjusting the length of the coincident section between the first connecting rod 2.2 and the straight tube 1.1, specifically, the connecting piece 10 at the two ends of the straight tube 1.1 is disassembled, the length of the coincident section between the first connecting rod 2.2 and the straight tube 1.1 is adjusted according to the hole distance of the adjacent bolt holes 12 on the straight tube 1.1, and then the connecting piece 10 is reassembled, so as to adjust the wheel pitch at the two ends of the straight tube 1.1; specifically, the connecting piece 10 is a bolt or a screw, which is convenient to disassemble and assemble.

[0032] The above straight tube 1.1 can be a square tube, and correspondingly, the first reinforcing rod 1.2 and the second reinforcing rod 1.3 are also square tubes, the L-shaped tube 2.1 is an L-shaped square tube, and the first connecting rod 2.2 and the second connecting rod 2.3 are long strip-shaped plates; in addition, the straight tube 1.1 can be a circular tube, and correspondingly, the first reinforcing rod 1.2 and the second reinforcing rod 1.3 are also circular tubes, the L-shaped tube 2.1 is an L-shaped circular tube, and the first connecting rod 2.2 and the second connecting rod 2.3 are long strip-shaped circular tubes; the chassis 1 and the wheel frame 2 are made of stainless steel or aluminum alloy.

[0033] As shown in Figure 1 and Figure 2 , the bottom tray 4 is installed on the chassis 1 and is used for installing ground penetrating radar (GPR) sensors, storage batteries and other equipment, the outer bottom surface of the bottom tray 4 is higher than the top edge of the wheel 3, and when the wheel pitch between the two wheels 3 at the two ends of the straight tube 1.1 is adjusted, the wheel 3 can be located below the bottom tray 4, so as to avoid that the bottom tray 4 blocks the wheel 3;

[0034] Specifically, as shown in Figure 2 and Figure 3As shown in the drawings, a plurality of first support plates 11 are arranged between the bottom tray 4 and the straight pipe 1.1 and between the bottom tray 4 and the second reinforcing rod 1.3, and the two ends of the first support plates 11 are welded or bolted to the bottom tray 4 and the straight pipe 1.1, respectively.

[0035] As shown in the drawings, the bottom end of the handle frame 5 is detachably connected to the bottom tray 4, and the handle frame 5 is used for the detection personnel to push the ground penetrating radar cart to move; Figure 1 Figure 2 As shown in the drawings, the bottom end of the handle frame 5 is detachably connected to the bottom tray 4, and the handle frame 5 is used for the detection personnel to push the ground penetrating radar cart to move;

[0036] Specifically, the handle frame 5 includes two first inclined pipes 5.1 arranged in parallel and spaced apart in the left-right direction, and the bottom ends of the two first inclined pipes 5.1 are detachably connected to the left and right side walls of the bottom tray 4 through the connecting pieces 10, respectively; the middle part of each first inclined pipe 5.1 is connected with a second inclined pipe 5.5, specifically, the middle part of the first inclined pipe 5.1 is sleeved with a Y-shaped three-way pipe 5.2, the top end of the second inclined pipe 5.5 is inserted into the Y-shaped three-way pipe 5.2, and the bottom ends of the two second inclined pipes 5.5 are detachably connected to the left and right side walls of the bottom tray 4 through the connecting pieces 10, respectively, to maintain the inclination of the first inclined pipe 5.1; the top ends of the two first inclined pipes 5.1 are provided with a U-shaped pipe 5.6 that can be held by the detection personnel with hands, and the detection personnel holds the U-shaped pipe 5.6 with hands to push the ground penetrating radar cart;

[0037] The top ends of the two first inclined pipes 5.1 are provided with a first cross beam pipe 5.3, specifically, the top end of the first inclined pipe 5.1 is connected with a special-shaped three-way pipe 5.2, and the top end of the first inclined pipe 5.1, one end of the U-shaped pipe 5.6 and one end of the first cross beam pipe 5.3 are inserted into the three interfaces of the special-shaped three-way pipe 5.2, respectively, which can improve the stability and reliability of the handle frame 5; in addition, the middle parts of the two first inclined pipes 5.1 are provided with a second cross beam pipe 5.4, specifically, the middle part of the first inclined pipe 5.1 is sleeved with a T-shaped three-way pipe 5.2, and the end of the second cross beam pipe 5.4 is inserted into the T-shaped three-way pipe 5.2, which can further enhance the stability and reliability of the handle frame 5;

[0038] The two ends of the U-shaped pipe 5.6 and the bottom tray 4 are provided with vertical support pipes 5.7, the bottom ends of the two vertical support pipes 5.7 are detachably connected to the left and right side walls of the bottom tray 4 through the connecting pieces 10, respectively, and the top ends of the two vertical support pipes 5.7 are connected to the U-shaped pipe 5.6, specifically, the U-shaped pipe 5.6 is sleeved with a T-shaped three-way pipe 5.2, and the top end of the vertical support pipe 5.7 is inserted into the T-shaped three-way pipe 5.2, which can improve the reliability of the U-shaped pipe 5.6 and enhance the stability and reliability of the handle frame 5;

[0039] The connecting parts of the above-mentioned pipes and the three-way pipes 5.2 can be fixed by installing screws 9 to prevent slipping off. ​

[0040] As Figure 1 And Figure 2 The top tray 6 is installed on the first cross beam pipe 5.3, which is used to install the ground penetrating radar display unit, and the display unit is convenient for the detection personnel to view during the movement of the ground penetrating radar trolley by pushing the trolley by hand;

[0041] Specifically, two sleeves 7 are sleeved on the first cross beam pipe 5.3, and a second support plate 8 is arranged between each sleeve 7 and the top tray 6. The two ends of the first support plate 11 are respectively welded on the top tray 6 and the sleeve 7. The sleeve 7 and the first cross beam pipe 5.3 are connected through the setting of a rubber pad layer with damping, and a certain external force is required to rotate the sleeve 7, or the sleeve 7 and the first cross beam pipe 5.3 are fixedly connected through the installation of a screw 9.

[0042] The bottom tray 4 and the top tray 6 are both in the form of a basket, which can help reduce the overall weight of the ground penetrating radar trolley and is easy to push by the detection personnel.

[0043] The working principle and technical effects of the ground penetrating radar trolley are as follows:

[0044] When detecting cracks on the multi-layer platform of a water conservancy dam, the trolley is assembled and the GPR sensor, display unit and other detection equipment of the ground penetrating radar are installed on the trolley. For narrow platforms on the dam slope, the wheel track of the trolley can be adjusted. For example, when the wheel track is adjusted to be small, as shown in Figure 1 And Figure 4 Specifically, the connecting piece 10 at both ends of the straight pipe 1.1 is disassembled, the first connecting rod 2.2 is pushed into the hole spacing of at least one pin hole 12 in the straight pipe 1.1, and then the connecting piece 10 is reassembled and fixedly connected in the pin hole 12 between the straight pipe 1.1 and the first connecting rod 2.2. After the front and rear wheel tracks are adjusted synchronously, the connecting piece 10 is uniformly installed to lock the wheel track. After the wheel track of the trolley is adjusted to be small, it is adapted to the width of the platform, and the ground penetrating radar trolley can be moved more safely on the narrow platform, the operation is more convenient, and the risk of trolley rollover and falling caused by narrow platform width is reduced. When the wheel track is adjusted to be large, the reverse operation according to the above adjustment method can be performed;

[0045] The convenient disassembly structure between the handle frame 5 and the bottom tray 4 of the trolley enables the trolley to be disassembled after use, which is convenient for vehicle loading by car.

[0046] Finally, it should be noted that: the above embodiments are used to illustrate the technical solutions of the present application, rather than limiting them; although the present application has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that: it can still modify the technical solutions recorded in the foregoing embodiments, or make equivalent replacement for part or all of the technical features; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the scope of the technical solutions of the embodiments of the present application, and they should be covered in the scope of the claims and the specification of the present application.

Claims

1. A ground penetrating radar cart for water levees, characterized by: The utility model relates to a kind of push carts, including: Chassis (1), the chassis (1) includes two straight pipes (1.1) being spaced apart in parallel along front-back direction, and the left and right ends of each straight pipe (1.1) are provided with a plurality of insertion hole (12) being spaced apart along left-right direction; Wheel frame (2), the wheel frame (2) includes four L-shaped tubes (2.1), four L-shaped tubes (2.1) are located at the two ends of two straight pipes (1.1) respectively, and first connecting rod (2.2) is arranged between each L-shaped tube (2.1) and straight pipe (1.1), one end of first connecting rod (2.2) is fixedly connected at one end of L-shaped tube (2.1), and the other end is arranged in straight pipe (1.1) and is provided with insertion hole (12), and first connecting rod (2.2) is detachably connected with straight pipe (1.1) by connecting piece (10) arranged in insertion hole (12), second connecting rod (2.3) is arranged between front and back distribution two L-shaped tubes (2.1), and the other end of second connecting rod (2.3) is fixedly connected with the other end of two L-shaped tubes (2.1) respectively; Wheels (3), four wheels (3) are arranged, and four wheels (3) are rotatably mounted on four L-shaped tubes (2.1) respectively, and the wheel track between two wheels (3) at the two ends of straight pipe (1.1) can be adjusted by adjusting the length of coincident section between first connecting rod (2.2) and straight pipe (1.1).

2. The georadar cart for water levees according to claim 1, characterized in that: The push cart further includes a bottom tray (4) for mounting a ground penetrating radar (GPR) sensor, the bottom tray (4) is mounted on the chassis (1), and the outer bottom surface of the bottom tray (4) is higher than the top edge of the wheels (3).

3. The georadar cart for water levees according to claim 2, characterized in that: The chassis (1) further includes a plurality of first reinforcing rods (1.2) arranged in parallel and spaced apart along the left-right direction between the two straight pipes (1.1), the two ends of each first reinforcing rod (1.2) are fixedly connected to the two straight pipes (1.1) respectively, and a plurality of second reinforcing rods (1.3) are arranged between adjacent two first reinforcing rods (1.2).

4. The georadar cart for water dam inspection according to claim 2, characterized in that: The push cart further includes a handle frame (5), and the bottom end of the handle frame (5) is detachably connected to the bottom tray (4).

5. The georadar cart for water levees according to claim 4, characterized in that: The handle frame (5) includes two first inclined pipes (5.1) arranged in parallel and spaced apart along the left-right direction, the bottom ends of the two first inclined pipes (5.1) are detachably connected to the left and right side walls of the bottom tray (4) by connecting pieces (10) respectively; the middle part of each first inclined pipe (5.1) is connected with a second inclined pipe (5.5), the bottom ends of the two second inclined pipes (5.5) are detachably connected to the left and right side walls of the bottom tray (4) by connecting pieces (10) respectively; and a U-shaped tube (5.6) for being held by a detector with hands is arranged between the top ends of the two first inclined pipes (5.1).

6. The georadar cart for water dam inspection according to claim 5, characterized in that: First cross beam pipes (5.3) are arranged between the top ends of the two first inclined pipes (5.1).

7. The georadar cart for inspecting water retaining structures according to claim 5, characterized in that: Vertical support pipes (5.7) are arranged between the two ends of the U-shaped tube (5.6) and the bottom tray (4), the bottom ends of the two vertical support pipes (5.7) are detachably connected to the left and right side walls of the bottom tray (4) by connecting pieces (10) respectively, and the top ends of the two vertical support pipes (5.7) are connected to the U-shaped tube (5.6).

8. The georadar cart for inspecting water retaining structures according to claim 6, characterized in that: The trolley further comprises a top tray (6) for mounting the ground penetrating radar display unit, the top tray (6) being mounted on the first cross beam tube (5.3).

9. The georadar cart for inspecting water retaining structures according to claim 8, characterized in that: The bottom tray (4) and the top tray (6) are both of a basket structure.

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