Hydraulic engineering foundation detection device

Abstract

The utility model relates to a water conservancy project foundation detection device which comprises a base and a dynamic penetrometer, a trundle mechanism, a motor, a supporting column and an electric cabinet are installed on the base, an installation frame is installed at the top end of the supporting column, a reel and a rope winding drum mechanism are installed on the installation frame, and the reel and the rope winding drum mechanism are in one-way transmission connection through a ratchet mechanism. Two steel wire ropes are wound on the rope winding drum mechanism, hanging rings are fixedly mounted at the free ends of the steel wire ropes, and the hanging rings are arranged on two holding rods, which are bilaterally symmetrical, of the dynamic penetrometer in a sleeving manner; a limiting baffle ring is mounted at the top of the dynamic penetrometer, a proximity switch and a distance measuring sensor are mounted on the limiting baffle ring, and a distance measuring signal reflecting plate is mounted on the mounting frame; and a time relay, a counter and a display are arranged in the electric cabinet. The beneficial effects are that the stability of the hydraulic engineering foundation detection device is improved, and the hydraulic engineering foundation detection device is convenient to move; detection personnel can read data conveniently; the lifting equipment for lifting the piercing hammer is simple in structure.

Description

Technical Field

[0001] The utility model relates to the field of foundation detection, in particular to a foundation detection device for water conservancy projects. Background Art

[0002] A water conservancy project is a general term for various engineering constructions built to control, utilize and protect surface and underground water resources and the environment, and is used to control and allocate surface water and groundwater in nature.

[0003] Before building a water conservancy project, it is necessary to detect the foundation of the construction site of the water conservancy project. The existing foundation detection devices are not convenient to move, have poor stability during detection, are not convenient to read data, and the lifting equipment for lifting the core drill hammer has a complex structure. Summary of the Utility Model

[0004] The purpose of the utility model is to overcome the above problems existing in the prior art and provide a foundation detection device for water conservancy projects.

[0005] To achieve the above technical purpose and reach the above technical effect, the utility model is realized through the following technical solutions:

[0006] A foundation detection device for water conservancy projects includes a base and a dynamic cone penetrometer for being placed on the foundation of a water conservancy project. Four groups of casters capable of adjusting height are installed on the base. A motor, four support columns arranged in a rectangular array, and an electric control box are installed at the top of the base. An installation frame is installed at the top of the four support columns. A reel and a rope winding drum mechanism are installed on the installation frame. One end of the reel is in transmission connection with the motor shaft of the motor through a synchronous belt transmission mechanism. The reel is inserted into the rope winding drum mechanism. The reel and the rope winding drum mechanism are in one-way transmission connection through a ratchet mechanism. Two steel wires are wound on the rope winding drum mechanism. The free end of the steel wire is fixedly installed with a hanging ring. The hanging ring is sleeved on two symmetrically arranged grip rods of the dynamic cone penetrometer. A limit retaining ring is installed at the top of the dynamic cone penetrometer. A proximity switch with a vertically downward sensing direction and a ranging sensor with a vertically upward detection direction are installed on the limit retaining ring. A ranging signal reflecting plate is installed directly above the ranging sensor on the installation frame. A time relay, a counter, and a display are installed in the electric control box. The signal output terminals of the proximity switch are respectively connected to the input circuit of the time relay and the signal acquisition terminals of the counter through cables. The output circuit of the time relay is connected to the power supply line of the motor. The signal input terminals of the display are respectively connected to the signal output terminals of the ranging sensor and the signal output terminals of the counter through cables.

[0007] Wherein, four through holes arranged in a rectangular array are formed on the base, and a group of caster mechanisms are installed at each through hole on the base.

[0008] Among them, the caster mechanism includes a portal frame, a screw rod, a caster frame, a limiting ring, a roller, and a rotary handle. The roller is rotatably installed in the caster frame through a rotating shaft. The bottom end of the portal frame is installed on the base, and the portal frame straddles above the through hole. The screw rod is screwed into the threaded hole in the center of the portal frame. The top end of the caster frame is fixedly connected with an external thread ring, the limiting ring is screwed onto the external thread ring, the bottom end of the screw rod is inserted into the external thread ring from the center of the limiting ring, the bottom end of the screw rod is fixedly connected with a limiting circular plate that rotates freely between the external thread ring and the limiting ring. The top of the screw rod is provided with a hexagonal prism, and a hexagonal hole is opened in the center of the rotary handle. The hexagonal hole is sleeved on the hexagonal prism so that the rotary handle is installed on the top of the screw rod.

[0009] Among them, the mounting frame includes a rectangular frame, two sets of left and right symmetric first pedestal bearings, and two sets of left and right symmetric second pedestal bearings. The two sets of first pedestal bearings and the two sets of second pedestal bearings are respectively installed at the bottom end of the frame. The frame is installed at the top ends of four support columns. The reel is installed in the two sets of second pedestal bearings, and the ranging signal reflector is installed at the bottom end of the frame.

[0010] Among them, the rope winding drum mechanism includes a circular mounting cylinder and two rope winding drums. The mounting cylinder is installed in the two sets of first pedestal bearings, and the two rope winding drums are respectively installed at both ends of the mounting cylinder with long bolts.

[0011] Among them, the ratchet mechanism includes a ratchet, a pawl, a spring support plate, and a compression spring. The ratchet is installed on the reel. The pawl is installed at the end of the rope winding drum mechanism with a half-thread bolt. The spring support plate is fixedly installed at the end of the rope winding drum mechanism. The compression spring is clamped between the adjacent pawl and the spring support plate. When the ratchet rotates forward, it engages with the pawl, and when the ratchet rotates backward, it separates from the pawl.

[0012] Among them, two left and right symmetric through-hammer guide rails are also installed at the top end of the base. Two of the left and right symmetric grip rods of the dynamic penetrometer are respectively in sliding fit with the two through-hammer guide rails.

[0013] Among them, the bottom end of the base is a plane, and the base is in a "concave" shape.

[0014] The beneficial effects of the present utility model are as follows: By installing four groups of caster mechanisms capable of adjusting height on the base, when detecting, the base directly lands on the foundation to be detected, improving the stability of the foundation detection device for water conservancy projects. When moving, the bottom ends of the rollers extend below the base, enabling the rollers to walk on the ground and facilitating the movement of the foundation detection device for water conservancy projects; A limit retaining ring is installed at the top of the dynamic penetrometer, and a ranging sensor is installed on the limit retaining ring. The ranging sensor is used in cooperation with the ranging signal reflection plate to detect the distance of the dynamic penetrometer moving downward in real time. The proximity switch can not only control the working state of the motor but also cooperate with the counter to monitor the number of times the drop hammer of the dynamic penetrometer is lifted. Then, the counter uses the display to display the number of times the drop hammer is lifted and the data of the distance change, facilitating the detection personnel to read the data; The drop hammer is lifted by the cooperation of the motor, synchronous belt drive mechanism, reel, ratchet mechanism, rope winding drum mechanism and steel wire rope. The lifting device for lifting the drop hammer has a simple structure. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] The drawings described herein are used to provide a further understanding of the present utility model and constitute a part of this application. The schematic embodiments of the present utility model and their descriptions are used to explain the present utility model and do not constitute an improper limitation to the present utility model. In the drawings:

[0016] Figure 1 is a schematic structural diagram of the foundation detection device for water conservancy projects in the first embodiment of the present utility model;

[0017] Figure 2 is a partial structural diagram of the foundation detection device for water conservancy projects in the first embodiment of the present utility model;

[0018] Figure 3 is a schematic structural diagram of the combination of the mounting frame, reel, rope winding drum mechanism and ranging signal reflection plate in the first embodiment of the present utility model;

[0019] Figure 4 is a schematic structural diagram of the mounting frame in the first embodiment of the present utility model;

[0020] Figure 5 is a schematic structural diagram of the caster mechanism in the first embodiment of the present utility model;

[0021] Figure 6 is an exploded view of the caster mechanism in the first embodiment of the present utility model;

[0022] Figure 7 is a schematic structural diagram of the combination of the dynamic penetrometer, limit retaining ring, proximity sensor and ranging sensor in the first embodiment of the present utility model;

[0023] Figure 8 is a schematic structural diagram of the base in the first embodiment of the present utility model;

[0024] Figure 9 It is a schematic structural diagram of the foundation detection device for water conservancy projects in the second embodiment of the present utility model;

[0025] Description of the reference numerals in the figure: base 1, through hole 101, dynamic cone penetrometer 2, drop hammer 201, penetration cone 202, probe rod 203, drop hammer retaining ring 204, grip rod 205, connecting ring 206, caster mechanism 3, gantry 301, screw rod 302, caster frame 303, limit ring 304, roller 305, rotary handle 306, external thread ring 307, limit circular plate 308, hexagonal prism 309, hexagonal hole 3010, motor 4, support column 5, electric control box 6, mounting bracket 7, frame 701, first pedestal bearing 702, second pedestal bearing 703, reel 8, rope winding drum mechanism 9, mounting cylinder 901, rope winding drum 902, synchronous belt drive mechanism 10, ratchet mechanism 11, ratchet 1101, ratchet pawl 1102, spring support plate 1103, compression spring 1104, steel wire rope 12, lifting ring 1201, limit retaining ring 13, proximity switch 14, distance measuring sensor 15, distance measuring signal reflector 16, drop hammer guide rail 17. Detailed implementation manners

[0026] The present utility model will be described in detail below with reference to the drawings and in combination with embodiments.

[0027] As Figures 1 to 8 shown in Embodiment 1, a foundation detection device for water conservancy projects includes a base 1 and a dynamic cone penetrometer 2 for placement on the foundation of a water conservancy project. The bottom end of the base 1 is flat, facilitating the installation of the base on the foundation to be detected; the base 1 is in a "concave" shape, and the U-shaped opening on the base 1 facilitates the installation of the dynamic cone penetrometer 2. The dynamic cone penetrometer 2 includes a drop hammer 201, a penetration cone 202, two probe rods 203, a drop hammer retaining ring 204, and a grip rod 205. The penetration cone 202 is installed at the bottom of the probe rod 203, the drop hammer retaining ring 204 is installed between the two probe rods 203, the drop hammer 201 is sleeved on one of the probe rods 203 at the top, there are four grip rods 205, the four grip rods 205 are arranged in a circular array, and the four grip rods 205 are respectively screwed on the outer side wall of the drop hammer.

[0028] Four sets of caster mechanisms 3 capable of adjusting height are installed on the base 1. Specifically, four through holes 101 arranged in a rectangular array are formed on the base 1, and one set of caster mechanism 3 is installed at each through hole on the base 1. The caster mechanism 3 includes a portal frame 301, a screw 302, a caster bracket 303, a limit ring 304, a roller 305, and a rotating handle 306. The roller 305 is rotatably installed in the caster bracket 303 through a rotating shaft. The bottom end of the portal frame 301 is installed on the base 1, and the portal frame 301 straddles above the through hole 101. The screw 302 is screwed into the screw hole in the center of the portal frame 301. The top end of the caster bracket 303 is fixedly connected with an external thread ring 307, and the limit ring 304 is screwed onto the external thread ring 307. The bottom end of the screw 302 is inserted into the external thread ring 307 from the center of the limit ring 304. A limit circular plate 308 that rotates freely between the external thread ring 307 and the limit ring 304 is fixedly connected to the bottom end of the screw 302. A hexagonal prism 309 is provided at the top of the screw 302. A hexagonal hole 3010 is formed in the center of the rotating handle 306, and the hexagonal hole 3010 is sleeved on the hexagonal prism 309 so that the rotating handle 306 is installed on the top of the screw 302. The inspector rotates the rotating handle to rotate the screw, thereby driving the caster bracket and the caster to move up and down, so that the bottom end of the caster is lower than the bottom end of the base, or the bottom end of the caster is higher than the bottom end of the base.

[0029] A motor 4 and four support columns 5 arranged in a rectangular array are installed on the top end of the base 1. The top ends of the four support columns 5 are installed with a mounting frame 7. A reel 8 and a rope winding drum mechanism 9 are installed on the mounting frame 7. Specifically, the mounting frame 7 includes a rectangular frame 701, two sets of left and right symmetric first pedestal bearings 702, and two sets of left and right symmetric second pedestal bearings 703. The two sets of first pedestal bearings 702 and the two sets of second pedestal bearings 703 are respectively installed at the bottom end of the frame 701. The frame 701 is installed at the top ends of the four support columns 5. The reel 8 is installed in the two sets of second pedestal bearings 703. The ranging signal reflector 16 is installed at the bottom end of the frame 701. The rope winding drum mechanism 9 includes a circular mounting cylinder 901 and two rope winding drums 902. The mounting cylinder 901 is installed in the two sets of first pedestal bearings 702. The two rope winding drums 902 are respectively installed at both ends of the mounting cylinder 901 with long bolts.

[0030] One end of the reel 8 is drivingly connected to the motor shaft of the motor 4 through a synchronous belt drive mechanism 10. The reel 8 is inserted into the rope winding drum mechanism 9, and the reel 8 and the rope winding drum mechanism 9 are unidirectionally drivingly connected through a ratchet mechanism 11. The ratchet mechanism 11 includes a ratchet 1101, a pawl 1102, a spring support plate 1103, and a compression spring 1104. The ratchet 1101 is installed on the reel 8, the pawl 1102 is installed at the end of the rope winding drum mechanism 9 with a half-thread bolt, the spring support plate 1103 is fixedly installed at the end of the rope winding drum mechanism 9, and the compression spring 1104 is clamped between the adjacent pawl 1102 and the spring support plate 1103. When the ratchet 1101 rotates forward, it engages with the pawl 1102, and when the ratchet 1101 rotates backward, it separates from the pawl 1102.

[0031] Two steel ropes 12 are wound around the rope winding drum mechanism 9. A hanging ring 1201 is fixedly installed at the free end of the steel rope 12, and the hanging ring 1201 is sleeved on two symmetrically arranged left and right grip rods of the dynamic cone penetrometer 2.

[0032] A limit retaining ring 13 is installed at the top of the dynamic cone penetrometer 2. A proximity switch 14 with a vertically downward sensing direction and a ranging sensor 15 with a vertically upward detection direction are installed on the limit retaining ring 13. A ranging signal reflector 16 is installed directly above the ranging sensor 15 on the mounting bracket 7. An electric control box 6 is also installed on the base 1. A time relay, a counter, and a display are installed in the electric control box 6. The signal output terminals of the proximity switch 14 are respectively connected to the input circuit of the time relay and the signal acquisition terminals of the counter through cables. The output circuit of the time relay is connected to the power supply line of the motor 4. The signal input terminals of the display are respectively connected to the signal output terminals of the ranging sensor and the signal output terminals of the counter through cables.

[0033] In order to prevent the drop hammer from shaking when moving up and down, two symmetrically arranged left and right drop hammer guide rails 17 are also installed at the top end of the base 1. Two symmetrically arranged left and right grip rods of the dynamic cone penetrometer 2 are respectively in sliding fit with the two drop hammer guide rails 17.

[0034] By installing four sets of casters that can adjust the height on the base, when detecting, the base is directly placed on the foundation to be detected, improving the stability of the foundation detection device for hydraulic engineering. When moving, the bottom end of the roller extends below the base, enabling the roller to move on the ground, facilitating the movement of the foundation detection device for hydraulic engineering; a limit retaining ring is installed on the top of the dynamic penetrometer, and a ranging sensor is installed on the limit retaining ring. The ranging sensor and the ranging signal reflector are used to detect the distance of the dynamic penetrometer moving downward in real time. The proximity switch can not only control the working state of the motor but also cooperate with the counter to monitor the number of times the drop hammer of the dynamic penetrometer is lifted. Then, the display shows the data of the number of times the drop hammer is lifted and the distance change, facilitating the detection personnel to read the data; the drop hammer is lifted through the cooperation of the motor, synchronous belt drive mechanism, reel, ratchet mechanism, rope winding drum mechanism, and steel wire rope. The lifting device for lifting the drop hammer has a simple structure.

[0035] As Figure 9 Shown in the second embodiment, the difference from the first embodiment is that the dynamic penetrometer includes a drop hammer 201, a penetration cone 202, two sounding rods 203, a drop hammer retaining ring 204, a grip rod 205, and a connecting ring 206. The penetration cone 202 is installed at the bottom of the sounding rod, the connecting ring 206 is installed between the two adjacent sounding rods 203 in the lower part, the drop hammer retaining ring 204 is installed between the two sounding rods 203 in the upper part, the drop hammer 201 is sleeved on one of the sounding rods 203 at the top, there are four grip rods 205, and the four grip rods 205 are arranged in a circular array and are respectively screwed on the outer side wall of the drop hammer.

[0036] The above shows and describes the basic principles, main features, and advantages of the present invention. Those skilled in the art should understand that the present invention is not limited by the above embodiments. The above embodiments and the descriptions in the specification only illustrate the principles of the present invention. Without departing from the spirit and scope of the present invention, the present invention will have various changes and improvements, and these changes and improvements all fall within the scope of the present invention claimed.

Claims

1. A water conservancy project foundation detection device, characterized in that: The utility model comprises a base and a dynamic prober for being placed on the foundation of a water conservancy project, wherein four sets of caster mechanisms capable of adjusting the height are installed on the base, a motor, four support columns arranged in a rectangular array, and an electric control box are installed on the top of the base, a mounting frame is installed on the top of the four support columns, a reel and a rope drum mechanism are installed on the mounting frame, one end of the reel is connected to the motor shaft of the motor through a synchronous belt transmission mechanism, the reel is inserted into the rope drum mechanism, the reel and the rope drum mechanism are connected through a one-way transmission of a ratchet mechanism, two steel ropes are wound on the rope drum mechanism, the free end of the steel rope is fixedly installed with a lifting ring, and the lifting ring is sleeved on one end of the dynamic prober. On two left-right symmetrical grip rods; a limit ring is installed on the top of the dynamic probe, and a proximity switch with a vertically downward sensing direction and a vertically upward detecting direction are installed on the limit ring. A ranging signal reflecting plate is installed on the mounting frame just above the ranging sensor; a time relay, a counter and a display are installed in the electric control box, and the signal output terminals of the proximity switch are respectively connected to the input circuit of the time relay and the signal acquisition terminals of the counter through cables, the output circuit of the time relay is connected to the power supply circuit of the motor, and the signal input terminals of the display are respectively connected to the signal output terminals of the ranging sensor and the signal output terminals of the counter through cables.

2. The water conservancy project foundation detection device according to claim 1, characterized in that: The base is provided with four through holes arranged in a rectangular array, and a set of caster mechanisms is installed at each through hole on the base.

3. The water conservancy project foundation detection device according to claim 2, characterized in that: The caster mechanism includes a door frame, a screw, a caster frame, a limiting ring, a roller, and a rotating handle. The roller is rotatably installed in the caster frame through a rotating shaft. The bottom end of the door frame is installed on the base, and the door frame spans above the through hole. The screw is screwed in the screw hole in the center of the door frame. The top of the caster frame is fixed with an external threaded ring, and the limiting ring is screwed on the external threaded ring. The bottom end of the screw is inserted into the external threaded ring from the center of the limiting ring. The bottom end of the screw is fixed with a limiting circular plate that rotates freely between the external threaded ring and the limiting ring. A hexagonal prism is provided on the top of the screw, and a hexagonal hole is opened in the center of the rotating handle. The hexagonal hole is sleeved on the hexagonal prism so that the rotating handle is installed on the top of the screw.

4. The water conservancy project foundation detection device according to claim 1, characterized in that: The mounting frame includes a rectangular frame, two sets of left-right symmetrical first bearing seats, and two sets of left-right symmetrical second bearing seats. The two sets of the first bearing seats and the two sets of the second bearing seats are respectively installed at the bottom end of the frame. The frame is installed at the top end of four support columns. The reel is installed in the two sets of second bearing seats, and the ranging signal reflection plate is installed at the bottom end of the frame.

5. The water conservancy project foundation detection device according to claim 4, characterized in that: The rope drum mechanism comprises a circular mounting drum and two rope drums. The mounting drum is mounted in two sets of first seat bearings. The two rope drums are respectively mounted on both ends of the mounting drum by long bolts.

6. The water conservancy project foundation detection device according to claim 1, characterized in that: The ratchet mechanism includes a ratchet, a pawl, a spring support plate, and a compression spring. The ratchet is installed on a reel. The pawl is installed on the end of a rope drum mechanism with a half-tooth bolt. The spring support plate is fixedly installed on the end of the rope drum mechanism. The compression spring is clamped between adjacent pawls and the spring support plate. The ratchet engages with the pawl when rotating forward and separates from the pawl when rotating reversely.

7. The water conservancy project foundation detection device according to claim 1, characterized in that: Two left-right symmetrical core hammer guide rails are also installed on the top of the base, and two left-right symmetrical grip rods of the dynamic prober are respectively slidably matched with the two core hammer guide rails.

8. The water conservancy project foundation detection device according to claim 1, characterized in that: The bottom end of the base is a plane, and the base is in a "concave" shape.

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