Protection mechanism of underground water supply network detection mechanism

Abstract

The invention relates to the field of underground water supply network detection, in particular to a protection mechanism of an underground water supply network detection mechanism, which comprises a protection bin, a frame plate and detection mechanisms, the frame plate is hinged to the lower end of the left side of the protection bin, the detection mechanisms are slidably mounted at two ends of the frame plate, and a control motor is fixedly arranged at the center of the lower end of the protection bin. A protection plate attached to the open end of the detection mechanism is rotationally arranged above the protection bin, rotating gears are arranged at the two ends of the protection plate and are in transmission connection with sixth control gears arranged at the two ends of the frame plate through first control belts, and fifth control gears are coaxially arranged on the inner sides of the sixth control gears; the two fifth control gears are rotationally mounted at the hinged position of the protection bin and the frame plate, and fourth control gears meshed with the fifth control gears are arranged on one side of the outer side of the protection bin; the measuring radius of the detection mechanism can be changed, and the radar baffle is automatically controlled to rotate to protect the detection mechanism when the frame plate is folded.

Description

Technical Field

[0001] The invention relates to the field of underground water supply pipe network detection, and in particular to a protection mechanism of an underground water supply pipe network detection mechanism. Background Art

[0002] In the context of the rapid development of modern society, urban water supply pipelines are an indispensable and important part of urban infrastructure construction. Especially with the continuous development of my country's social economy and the continuous expansion of urban scale, the quality, safety and stability of urban underground pipelines are of vital importance.

[0003] During the installation process of water supply pipelines, most of them are located in some urban areas and often cross various types of roads in the city. Since the ground traffic itself is relatively busy and the traffic volume is relatively large, there is a certain degree of difficulty in the installation process of water supply pipelines.

[0004] Current underground pipeline detection equipment usually needs to be carried manually or fixed on a transport vehicle during use. If it is carried manually, it is not only time-consuming and labor-intensive, but may also pose a risk to the operator's safety; if it is fixed on a transport vehicle, in order to avoid damage to the equipment caused by human factors or bad weather, the equipment needs to be constantly disassembled and assembled. Summary of the invention

[0005] Therefore, the present invention is made in view of the above problems. The purpose of the present invention is to fold and store the detection equipment and the signal processing system when there is no need to perform the underground water pipe detection task. This can protect the ground radar and the signal processing system from interference from the harsh environment and ensure the accuracy of the ground radar measurement. The present invention achieves the above purpose through the following technical solutions:

[0006] A protection mechanism for an underground water supply pipe network detection mechanism, comprising a protection bin, a frame plate, and a detection mechanism, wherein the frame plate is hingedly received at the lower left end of the protection bin, detection mechanisms are slidably installed at both ends of the frame plate, a control motor is fixedly arranged at the center of the lower end of the protection bin, a protection plate rotatably provided above the protection bin and abutting against the open end of the detection mechanism, rotating gears are arranged at both ends of the protection plate, the rotating gears are transmission-connected with the sixth control gears arranged at both ends of the frame plate through a first control belt, a fifth control gear is coaxially arranged on the inner side of the sixth control gear, and both fifth control gears can be rotatably installed at the hinge of the protection bin and the frame plate, a fourth control gear meshing with the fifth control gear is arranged on one side of the outer side of the protection bin, the fourth control gear on the other side is synchronously rotated and installed with the fifth control gear located at the rear end of the protection bin through a third control belt, the fourth control gear is connected with the first lifting plate and the second lifting plate arranged in the protection bin through a transmission mechanism, and a tension rope is arranged between the first lifting plate and the second lifting plate, and the other end of the tension rope passes through the second lifting plate and is fixedly connected to the frame plate.

[0007] Preferably, a control motor is fixedly installed at the center of the lower end of the protective bin, the output end of the control motor passes through the bottom plate of the protective bin and is fixed to the first driving rod, and a threaded groove is provided on the outer periphery of the first driving rod, a driving gear is fixedly installed on the upper end of the driving rod, first control rods are provided at the front and rear ends of the first driving rod, and threaded grooves are provided on the outer peripheries of the two first control rods, first control gears are fixedly installed on the upper ends of the first control rods, and the outer peripheries of the two first control gears are respectively connected to the driving gears through second control belts, a mounting plate is provided at the lower end of the second control belt, and the first driving rod can be rotatably installed on the mounting plate.

[0008] Preferably, a second control gear is fixedly provided at the lower end of the first control rod, a third control gear is meshedly installed on the outer side of the second control gear, and the two third control gears can be rotatably installed on the bottom plate of the protective bin, a driving bevel gear is coaxially fixedly provided at the upper end of the third control gear, a control bevel gear is meshed at the upper end of the driving bevel gear, and the two control bevel gears are arranged opposite to each other, and a fourth control gear is coaxially fixedly provided on the two control bevel gears passing through one end of the protective bin.

[0009] Preferably, a first lifting plate is installed on the outer peripheral thread of the first driving rod, first mounting parts are fixedly provided on both front and rear sides of the upper right end of the first lifting plate, and a first guide rod is rotatably installed on the first mounting part, a fixing part is fixedly provided in the middle part of the upper right end of the first lifting plate, and the front and rear ends of the fixing part are fixedly connected to one end of two tensioning ropes respectively.

[0010] Preferably, a second lifting plate is installed with a threaded portion on the outer periphery of the first control rod, a second mounting piece is fixedly provided on the upper right end of the second lifting plate close to the first driving rod, and a second guide rod is rotatably mounted on both second mounting pieces, the other end of the tensioning rope extends to the upper end of the first guide rod and the lower end of the second guide rod on one side thereof in sequence, and extends upward to the upper end to pass through the mounting plate, and then extends toward the direction of the frame plate and is fixedly provided on the upper end of the frame plate.

[0011] Preferably, a rotating shaft is fixedly provided at the right end of the frame plate, the rotating shaft can be rotatably mounted on the protective bin, and the front and rear ends of the rotating shaft are respectively fixedly connected to the fifth control gear and the sixth control gear at the two ends of the protective bin, and a signal processing system is fixedly provided on the rear side of the upper left end of the frame plate.

[0012] Preferably, a driving motor is fixedly provided on the front side of the upper left end of the frame plate, and a second driving rod is fixedly provided on the output end of the driving motor, two first driving parts are fixedly provided on the outer periphery of the second driving rod, and the outer peripheries of the two first driving parts are both installed to rotate synchronously with one end of a fourth control belt, the other end of the fourth control belt is connected to the second driving part, the second driving parts are respectively arranged on the second control rod, and the second control rod can be rotatably installed on the first fixed plate fixedly provided on the middle part of the upper left side of the frame plate.

[0013] Preferably, a moving rod is sleeved and installed on the outer side of the second control rod, and the second control rod and the moving rod are installed by threaded cooperation, a spline is fixedly provided on the outer side of the second control rod, the second fixing plate is fixedly provided above the frame plate and located on the side of the second control rod away from the first fixing plate, and a moving groove adapted to the moving rod is opened on the second fixing plate.

[0014] Preferably, a detection radar is fixedly installed inside the detection mechanism, a connecting piece is fixedly installed on the upper end of the detection mechanism, and the ends of the moving rods that are away from each other are fixedly connected to the connecting piece fixedly installed on the upper end of the detection mechanism.

[0015] Beneficial effects of the present invention:

[0016] 1. The present invention can fold the frame plate when there is no need to detect underground water pipes, so as to move the signal processing system into the protection chamber, and automatically control the radar baffle to rotate to protect the detection mechanism when the frame plate is folded, thereby ensuring that the ground penetrating radar and the signal processing system are not affected by the harsh external environment, so as to ensure the accuracy of the ground penetrating radar measurement.

[0017] 2. The present invention can fold the frame plate when the car is driving on complex road conditions, thereby reducing the volume of the overall detection system and increasing the safety of the vehicle-mounted detection mechanism.

[0018] 3. The present invention controls the movement of the frame plate by controlling the gears and the tension ropes, thereby reducing the possibility of damage to parts due to excessive loads.

[0019] 4. The present invention can drive the two detection mechanisms to move by driving the motor, thereby changing the measurement radius of the detection mechanism to increase the accuracy of the overall detection system in measuring complex underground water pipe networks. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 This is a schematic diagram of the overall mechanism structure when the frame plates are folded in the first viewing angle provided by the present invention.

[0021] Figure 2 This is a schematic diagram of the overall mechanism structure when the frame plates are folded in a second viewing angle provided by the present invention.

[0022] Figure 3 This is a schematic diagram of the overall structure of the frame plate when it is unfolded from a first viewing angle provided by the present invention.

[0023] Figure 4 This is a schematic diagram of the overall mechanism structure when the frame plate is unfolded from a second viewing angle provided by the present invention.

[0024] Figure 5 This is a schematic diagram of the internal structure of the overall mechanism provided by the present invention.

[0025] Figure 6 This is a schematic diagram of the internal transmission structure of the protective compartment from the first viewing angle provided by the present invention.

[0026] Figure 7 This is a schematic diagram of the internal transmission structure of the protective compartment under the second viewing angle provided by the present invention.

[0027] Figure 8 This is a front view of the internal transmission structure of the protective chamber provided by the present invention.

[0028] Fig. 9 This is a schematic diagram of the structure of the first lifting plate provided by the present invention.

[0029] Fig.10 This is a schematic diagram of the structure of the second lifting plate provided by the present invention.

[0030] Fig.11 This is a schematic structural diagram of a vehicle frame plate when the detection mechanism provided by the present invention is folded.

[0031] Fig.12 This is a schematic structural diagram of a vehicle frame plate when the detection mechanism provided by the present invention is deployed.

[0032] Fig.13 The present invention is a bottom view of the structure of the frame plate when the detection mechanism provided by the present invention is folded.

[0033] Fig.14 This is a schematic diagram of the frame plate structure provided by the present invention.

[0034] Description of reference numerals:

[0035] In the figure, 100, protective bin; 101, limiting groove; 110, control motor; 120, mounting portion; 121, protective plate; 122, rotating gear; 123, first control belt; 130, bearing plate; 140, first driving rod; 141, driving gear; 142, second control belt; 150, mounting plate; 160, first control rod; 161, first control gear; 162, second control gear; 163, third control gear; 164, driving bevel gear; 165, control bevel gear; 166, fourth control gear; 167, fifth control gear; 168, sixth control gear; 169, third control belt; 170, first lifting plate; 171, first control groove; 172, first limiting Part; 173, first mounting part; 174, first guide rod; 175, fixing part; 180, second lifting plate; 181, second control slot; 182, second limiter; 183, second mounting part; 184, second guide rod; 190, tension rope; 191, guide shaft; 200, frame plate; 210, rotating shaft; 220, signal processing system; 230, driving motor; 231, second driving rod; 232, first driving unit; 233, fourth control belt; 240, second control rod; 241, second driving unit; 250, first fixing plate; 260, moving rod; 270, second fixing plate; 271, moving slot; 300, detection mechanism; 310, connecting part; 320, detection radar. DETAILED DESCRIPTION

[0036] The preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings. However, the present invention can be implemented in various forms, so the present invention is not limited to the embodiments described below. In addition, in order to more clearly describe the present invention, components that are not connected with the invention will be omitted from the drawings.

[0037] like Figure 3 As shown, a protection mechanism of an underground water supply network detection mechanism comprises: a protection chamber 100, a frame plate 200, and a detection mechanism 300;

[0038] The protective compartment 100 can be installed on a loading vehicle;

[0039] The frame plate 200 is hinged to the lower left end of the protection compartment 100;

[0040] The left front and rear ends of the frame plate 200 are both equipped with detection mechanisms 300;

[0041] like Figure 1-5As shown, a control motor 110 is fixedly arranged at the center of the lower end of the protection chamber 100;

[0042] The protective chamber 100 is fixedly provided with mounting parts 120 at both the front and rear ends.

[0043] A protective plate 121 is rotatably mounted at the left end between the two mounting portions 120, and the protective plate 121 fits with the open end of the detection mechanism 300 when the frame plate 200 is folded;

[0044] The protection plate 121 passes through the mounting portion 120 and is fixedly provided with a rotating gear 122;

[0045] The outer periphery of the rotating gear 122 is synchronously rotated with a first control belt 123, and the first control belt 123 is arranged in a cross transmission;

[0046] A bearing plate 130 is fixedly provided at the left end of the lower side of the protection chamber 100 for bearing the frame plate 200;

[0047] like Figure 5-9 As shown, the output end of the control motor 110 passes through the bottom plate of the protection chamber 100 and is coaxially fixedly connected to the first driving rod 140, and a thread groove is provided on the outer periphery of the first driving rod 140;

[0048] A driving gear 141 is fixedly disposed on the upper end of the first driving rod 140;

[0049] The outer periphery of the driving gear 141 is provided with a second control belt 142 for synchronous rotation;

[0050] A mounting plate 150 is disposed at the lower end of the second control belt 142, and the first driving rod 140 can be rotatably mounted on the mounting plate 150;

[0051] The mounting plate 150 is fixedly disposed inside the protection chamber 100;

[0052] The first driving rod 140 is provided with a first control rod 160 at both the front and rear ends, and the outer circumferences of the two first control rods 160 are provided with thread grooves;

[0053] Both of the first control rods 160 can be rotatably mounted on the bottom plate of the protection chamber 100 and the mounting plate 150;

[0054] The upper ends of the two first control rods 160 are fixedly provided with first control gears 161, and the outer circumferences of the two first control gears 161 are respectively mounted to rotate synchronously with the front and rear ends of the second control belt 142;

[0055] A second control gear 162 is fixedly disposed at the lower end of each of the two first control rods 160;

[0056] The outer sides of the two second control gears 162 are meshed with third control gears 163, and the two third control gears 163 can be rotatably mounted on the bottom plate of the protective compartment 100;

[0057] The upper ends of the two third control gears 163 are coaxially fixed with a driving bevel gear 164;

[0058] The upper ends of the two driving bevel gears 164 are meshed with control bevel gears 165, and the two control bevel gears 165 are arranged opposite to each other;

[0059] The two control bevel gears 165 can be rotatably mounted on the front and rear side plates of the protection chamber 100, and the two control bevel gears 165 pass through one end of the protection chamber 100 and are coaxially fixed with a fourth control gear 166;

[0060] The fourth control gear 166 located at the front end of the protection compartment 100 is meshed and installed with the fifth control gear 167 located at the front end of the protection compartment 100;

[0061] The fourth control gear 166 and the fifth control gear 167 at the rear end of the protection bin 100 are smaller in size and are installed to rotate synchronously via a third control belt 169;

[0062] The fourth control gear 166 and the fifth control gear 167 located at the front and rear ends of the protection compartment 100 have the same transmission ratio, and both fifth control gears 167 can be rotatably mounted at the hinge between the protection compartment 100 and the frame plate 200;

[0063] The outer sides of the two fifth control gears 167 are fixedly provided with sixth control gears 168, and the two sixth control gears 168 are respectively mounted to rotate synchronously with one end of the first control belt 123 on the corresponding side;

[0064] like Figure 6 , Fig. 9 As shown, a first lifting plate 170 is installed on the outer periphery of the first driving rod 140, and the first lifting plate 170 is located between the bottom plate of the protection chamber 100 and the mounting plate 150;

[0065] A first control groove 171 is formed at the center of the first lifting plate 170, and a thread is provided inside the first control groove 171, and can move in coordination with the thread groove on the first driving rod 140;

[0066] The first lifting plate 170 is provided with first stoppers 172 at both left and right ends, and the two first stoppers 172 can be vertically slidably installed in the stopper grooves 101 opened in the middle of the left and right ends of the protection chamber 100;

[0067] A first mounting member 173 is fixedly provided at both the front and rear sides of the upper right end of the first lifting plate 170, and a first guide rod 174 is rotatably mounted on the first mounting member 173;

[0068] A fixing member 175 is fixedly disposed at the middle portion of the upper right end of the first lifting plate 170;

[0069] like Figure 6 , Fig.10 As shown, the centers of the two second lifting plates 180 are each provided with a second control groove 181, and the two second control grooves 181 are provided with threads inside, and can move in coordination with the thread grooves on the corresponding first control rods 160;

[0070] The left and right ends of the two second lifting plates 180 are both provided with second stoppers 182, and the four second stoppers 182 can be vertically slidably installed in the stopper grooves 101 opened at the front and rear sides of the left and right ends of the protection compartment 100;

[0071] A second mounting member 183 is fixedly provided on the upper right end of the two second lifting plates 180 near the first driving rod 140, and a second guide rod 184 is rotatably mounted on the two second mounting members 183;

[0072] The front and rear ends of the fixing member 175 are fixedly connected to one end of two tension ropes 190 respectively;

[0073] The other ends of the two tension ropes 190 extend to the upper end of the first guide rod 174 and the lower end of the second guide rod 184 on one side, respectively, and extend upward to the upper end of the guide shaft 191, and then extend toward the frame plate 200 and are fixedly arranged on the upper end of the frame plate 200;

[0074] like Figure 3 , Figure 6 , Figure 11-14 As shown, a rotating shaft 210 is fixedly provided at the right end of the frame plate 200;

[0075] The frame plate 200 is rotatably mounted on the protective chamber 100 via a rotating shaft 210, and the front and rear ends of the rotating shaft 210 are respectively fixedly connected to the fifth control gear 167 and the sixth control gear 168 at the two ends of the protective chamber 100;

[0076] A signal processing system 220 is fixedly disposed on the upper left rear side of the frame plate 200 to process the feedback signal of the detection mechanism 300;

[0077] A driving motor 230 is fixedly disposed on the front side of the upper left end of the frame plate 200, and a second driving rod 231 is fixedly disposed on the output end of the driving motor 230;

[0078] Two first driving parts 232 are fixedly arranged on the outer periphery of the second driving rod 231, and the outer peripheries of the two first driving parts 232 are synchronously rotated and installed with one end of the fourth control belt 233;

[0079] The other ends of the two fourth control belts 233 are synchronously rotated and installed with the second driving parts 241 disposed close to one end of the two second control rods 240;

[0080] The two second control rods 240 can be rotatably mounted on a first fixed plate 250 fixedly arranged at the middle of the left side above the frame plate 200;

[0081] The outer sides of the two second control rods 240 are sleeved with a moving rod 260, and the second control rods 240 and the moving rods 260 are installed by threaded fitting;

[0082] The outer sides of the two second control rods 240 are fixedly provided with splines, and the two second control rods 240 can be horizontally moved in the moving groove 271 provided in the second fixing plate 270 on one side thereof through the splines;

[0083] The two second fixing plates 270 are both fixedly disposed on the front and rear sides of the upper left end of the frame plate 200;

[0084] One end of the two moving rods 260 that is away from each other is fixedly connected to a connecting piece 310 fixedly arranged at the upper end of the detection mechanism 300;

[0085] The two detection mechanisms 300 are both fixedly provided with detection radars 320 for detecting underground water pipes and feeding back the wavelength of the underground water pipes to the signal processing system 220;

[0086] Working principle:

[0087] When it is necessary to detect the underground water pipe: the first driving rod 140 is controlled to rotate by controlling the motor 110, so that the two first control rods 160 are controlled to rotate through the driving gear 141, the second control belt 142 and the first control gear 161, so as to control the first lifting plate 170 to move downward and the second lifting plate 180 to move upward to release the tension rope 190, and while the two first control rods 160 are rotating, the second control gear 162 is rotated in sequence through the third control gear 163, the driving bevel gear 164, the control bevel gear 165 and the fourth control gear 166, and the meshing of the fourth control gear 166 and the fifth control gear 167 at the front end of the protection chamber 100 and the fourth control gear 166 and the fifth control gear 167 at the rear end of the protection chamber 100. The third control belt 169 of the gear 167 is driven to drive the frame plate 200 to rotate along the rotating shaft 210, and while the fifth control gear 167 rotates, the sixth control gear 168 and the first control belt 123 will drive the rotating gear 122 to rotate, thereby controlling the protective plate 121 to open until the lower end of the frame plate 200 is in contact with the upper end of the supporting plate 130, and then the second driving rod 231 is controlled to rotate by the driving motor 230, thereby driving the two second control rods 240 to rotate through its two first driving parts 232 and the fourth control belt 233, thereby controlling the two moving rods 260 to move in opposite directions along the moving groove 271, thereby increasing the detection radius of the detection radar 320 to adapt to the underground water pipe detection under complex road conditions.

Claims

1. A protection mechanism for an underground water supply network detection mechanism, comprising a protection compartment (100), a frame plate (200), and a detection mechanism (300), characterized in that: The frame plate (200) is hingedly received at the lower left end of the protection bin (100), and detection mechanisms (300) are slidably mounted on both ends of the frame plate (200). A control motor (110) is fixedly mounted at the center of the lower end of the protection bin (100). A protection plate (121) is rotatably mounted above the protection bin (100) and is in contact with the open end of the detection mechanism (300). Rotating gears (122) are mounted at both ends of the protection plate (121). The rotating gears (122) are transmission-connected to sixth control gears (168) mounted at both ends of the frame plate (200) via a first control belt (123). A fifth control gear (167) is coaxially mounted on the inner side of the sixth control gear (168), and both fifth control gears (167) are rotatably mounted on the frame plate (200). At the hinged part between the protection bin (100) and the frame plate (200), a fourth control gear (166) meshing with a fifth control gear (167) is provided on one side of the outer side of the protection bin (100), and the fourth control gear (166) on the other side is synchronously rotated with the fifth control gear (167) located at the rear end of the protection bin (100) via a third control belt (169), and the fourth control gear (166) is connected to a first lifting plate (170) and a second lifting plate (180) arranged on the protection bin (100) via a transmission mechanism, and a tension rope (190) is provided between the first lifting plate (170) and the second lifting plate (180), and the other end of the tension rope (190) passes through the second lifting plate (180) and is fixedly connected to the frame plate (200).

2. The protective mechanism of the underground water supply network detection mechanism according to claim 1, characterized in that: A control motor (110) is fixedly arranged at the center of the lower end of the protection bin (100); the output end of the control motor (110) passes through the bottom plate of the protection bin (100) and is fixed to the first driving rod (140); a thread groove is arranged on the outer periphery of the first driving rod (140); a driving gear (141) is fixedly arranged on the upper end of the first driving rod (140); first control rods (160) are arranged at both the front and rear ends of the first driving rod (140); thread grooves are arranged on the outer peripheries of the two first control rods (160); first control gears (161) are fixedly arranged on the upper ends of the first control rods (160); the outer peripheries of the two first control gears (161) are respectively connected to the driving gear (141) through second control belts (142); a mounting plate (150) is arranged at the lower end of the second control belt (142); and the first driving rod (140) can be rotatably mounted on the mounting plate (150).

3. The protection mechanism of the underground water supply network detection mechanism according to claim 2, characterized in that: The lower end of each of the first control rods (160) is fixedly provided with a second control gear (162), the outer side of each of the second control gears (162) is meshed with a third control gear (163), and both third control gears (163) are rotatably installed on the bottom plate of the protective bin (100), the upper end of each of the third control gears (163) is coaxially fixedly provided with a driving bevel gear (164), the upper end of each of the driving bevel gears (164) is meshed with a control bevel gear (165), and the two control bevel gears (165) are arranged opposite to each other, and a fourth control gear (166) is coaxially fixedly provided at one end of each of the two control bevel gears (165) passing through the protective bin (100).

4. The protection mechanism of the underground water supply network detection mechanism according to claim 2, characterized in that: The first driving rod (140) is threadedly mounted with a first lifting plate (170), and first mounting members (173) are fixedly mounted on both front and rear sides of the upper right end of the first lifting plate (170), and a first guide rod (174) is rotatably mounted on the first mounting member (173). A fixing member (175) is fixedly mounted in the middle of the upper right end of the first lifting plate (170), and the front and rear ends of the fixing member (175) are respectively fixedly connected to one end of two tension ropes (190).

5. The protection mechanism of the underground water supply network detection mechanism according to claim 4, characterized in that: The outer circumference of the first control rod (160) is threadedly mounted with a second lifting plate (180), and a second mounting member (183) is fixedly mounted on the upper right end of the second lifting plate (180) near the first driving rod (140), and second guide rods (184) are rotatably mounted on the two second mounting members (183). The other end of the tension rope (190) is sequentially extended to the upper end of the first guide rod (174) and the lower end of the second guide rod (184) on one side thereof, and extends upward to the upper end to pass through the mounting plate (150), and then extends toward the frame plate (200) and is fixedly mounted on the upper end of the frame plate (200).

6. The protection mechanism of the underground water supply network detection mechanism according to claim 1, characterized in that: A rotating shaft (210) is fixedly arranged at the right end of the frame plate (200), and the rotating shaft (210) is rotatably mounted on the protection chamber (100), and the front and rear ends of the rotating shaft (210) are respectively fixedly connected to a fifth control gear (167) and a sixth control gear (168) at the two ends of the protection chamber (100), and a signal processing system (220) is fixedly arranged at the rear side of the upper left end of the frame plate (200).

7. The protective mechanism of the underground water supply network detection mechanism according to claim 1, characterized in that: A driving motor (230) is fixedly arranged at the front side of the upper left end of the frame plate (200), and a second driving rod (231) is fixedly arranged at the output end of the driving motor (230), two first driving parts (232) are fixedly arranged on the outer periphery of the second driving rod (231), and the outer peripheries of the two first driving parts (232) are both synchronously rotated and installed with one end of a fourth control belt (233), and the other end of the fourth control belt (233) is connected to the second driving part (241), and the second driving parts (241) are respectively arranged on the second control rods (240), and the second control rods (240) can be rotatably installed on the first fixing plate (250) fixedly arranged at the middle part of the upper left side of the frame plate (200).

8. The protective mechanism of the underground water supply network detection mechanism according to claim 7, characterized in that: The outer side of each of the second control rods (240) is sleeved with a moving rod (260), and the second control rod (240) and the moving rod (260) are installed by threaded matching. The outer side of each of the second control rods (240) is fixedly provided with a spline. The second fixing plate (270) is fixedly provided above the frame plate (200) and is located on a side of the second control rod (240) away from the first fixing plate (250). The second fixing plate (270) is provided with a moving groove (271) adapted to the moving rod (260).

9. The protective mechanism of the underground water supply network detection mechanism according to claim 8, characterized in that: A detection radar (320) is fixedly arranged inside the detection mechanism (300), a connecting piece (310) is fixedly arranged on the upper end of the detection mechanism (300), and the ends of the moving rods (260) that are away from each other are fixedly connected to the connecting piece (310) fixedly arranged on the upper end of the detection mechanism (300).

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