Pile foundation hole wall inspection device

Abstract

The utility model provides a pile foundation hole wall inspection device which comprises a bottom plate, an L-shaped frame is connected and fixed to the edge of one side of the upper surface of the bottom plate, a guide cylinder is connected and fixed to the end of the horizontal portion of the L-shaped frame, a vertically-arranged column rod is inserted into the guide cylinder, a circular groove is formed in the lower surface of the column rod, and the circular groove is communicated with the L-shaped frame. The inner top of each circular groove is provided with a threading hole communicated with the circular groove, the upper end of each column rod is fixedly connected with an external thread ring matched with the internal thread, the external thread ring at the upper end of one column rod is in threaded connection with the interior of the circular groove in the other column rod, and a cable is inserted in the threading hole. A detachable shooting part electrically connected with the cable is installed at the lower end of the column rod, two sets of limiting parts used for limiting the relative position of the column rod and the guide cylinder are installed on the outer surface of the guide cylinder, and the device has the advantages that the shooting part is prevented from making contact with the hole wall of the pile foundation hole, and soil is prevented from being attached to the hole wall of the pile foundation hole.

Description

Technical Field

[0001] The utility model relates to a pile foundation hole wall inspection device, belonging to the technical field of pile foundation holes. Background Art

[0002] During the construction process, the excavated pile foundation holes generally need to be inspected. A photographing component is tied to a lifting rope, and the photographing component is lowered to the bottom of the pile foundation hole using the lifting rope, so that the photographing component takes pictures of the pile foundation hole wall from top to bottom in turn, and the collected image information is transmitted to a computer, so as to inspect the collapse of the pile foundation hole wall. Since the lifting rope is soft, the photographing component is easy to contact with the pile foundation hole wall and adhere to mud when lowering the photographing component. It is necessary to take out the photographing component and clean the mud before re-inspection. The above situation is prone to repeated mud adhesion, which affects the inspection of the pile foundation hole wall. Utility Model Content

[0003] In view of the deficiencies in the prior art, the utility model aims to provide a pile foundation hole wall inspection device to solve the problems raised in the above-mentioned background technology. The utility model prevents the photographing component from contacting the pile foundation hole wall and adhering to mud.

[0004] The utility model is realized through the following technical scheme: a pile foundation hole wall inspection device comprises a base plate, an L-shaped frame is connected and fixed at an edge of one side of the upper surface of the base plate, and a guide cylinder is connected and fixed at the end of the horizontal part of the L-shaped frame, and a vertically arranged column rod is inserted in the guide cylinder. The lower surface of the column rod is provided with a circular groove, and the top of the circular groove is provided with a threading hole communicating with the circular groove, and the threading hole passes through the column rod, and the lower position of the circular groove is processed with an internal thread. The upper end of the column rod is connected and fixed with an external thread ring matching the internal thread, and one of the external thread rings at the upper end of the column rod is threadedly connected to the circular groove on the other column rod, and a cable is inserted in the threading hole, and a detachable shooting member electrically connected to the cable is installed at the lower end of the column rod, and a circular opening concentrically arranged with the column rod is opened in the middle position of the upper surface of the base plate, and two groups of limit members for limiting the relative position of the column rod and the guide cylinder are installed on the outer surface of the guide cylinder.

[0005] Furthermore, the shooting component includes a carrier, the inner thread of the circular groove on the bottom layer of the column rod is connected to an external threaded sleeve, the lower end of the external threaded sleeve is fixedly connected to the carrier, a through hole concentrically arranged with the external threaded sleeve is opened in the middle position of the upper surface of the carrier, three carrier plates are equidistantly installed in a circular shape on the lower surface of the carrier, a camera and a lighting lamp electrically connected to a cable are installed on the outer side of the carrier, and the carrier is installed in the upper position inside the transparent cover.

[0006] Furthermore, the lower surface of the carrier plate is provided with three strip grooves in an annular shape and at equal intervals, and one end of the carrier plate is fixed in the strip groove.

[0007] Furthermore, a connecting ring is fixedly connected to the top of the circular groove, the lower surface of the connecting ring is fixedly connected to the second spring, the lower end of the second spring is fixedly connected to a blocking ring, the blocking ring is slidably installed in the circular groove, and the cable passes through the connecting ring, the second spring and the blocking ring.

[0008] Furthermore, limit rings are installed at the upper position and the lower position of the threading hole, the limit rings are sleeved on the cable, two column rings are provided between the two limit rings, the column rings are slidably installed in the threading hole, the column rings are sleeved on the cable and connected and fixed to the cable, and the portion of the cable between the two column rings is redundant.

[0009] Furthermore, the limiting member includes a U-shaped frame, the outer surface of the guide cylinder is symmetrically provided with two pin holes, a U-shaped frame is provided outside the pin hole, both ends of the U-shaped frame are connected and fixed to the guide cylinder, and a through hole arranged concentrically with the pin hole is provided on the side of the U-shaped frame facing the pin hole, a pin is inserted in the through hole, one end of the pin passes through the pin hole and extends into the annular groove, two annular grooves are provided on the outer surface of the column rod, and a pressure ring connected and fixed to the pin is sleeved on the outer surface of one end of the pin close to the pin hole, a first spring is provided between the pressure ring and the through hole, and the first spring is sleeved on the pin.

[0010] Furthermore, vertical holes are opened at the four corners of the upper surface of the base plate, and a positioning cylinder arranged concentrically with the vertical hole is provided on the upper side of the vertical hole. The lower end of the positioning cylinder is connected and fixed to the base plate, and a positioning bolt is threadedly connected to the outer surface of the positioning cylinder. A pillar is inserted in the positioning cylinder, and the lower end of the pillar is connected and fixed to the chassis.

[0011] Furthermore, semicircular clamping rings are installed on the upper surface of the horizontal part of the L-shaped frame and the lower surface of the horizontal part of the L-shaped frame, and the column rod is inserted in the semicircular clamping rings.

[0012] Beneficial effects of the utility model:

[0013] 1. Screw the external thread sleeve on the carrier plate into the circular groove on a column rod to complete the assembly of the carrier plate and the column rod, screw the external thread ring on one column rod into the circular groove on another column rod to realize the assembly of two adjacent column rods, and so on, realize the assembly of multiple column rods, so that it is convenient to assemble multiple column rods with each other according to the depth of the pile foundation hole, overlap the bottom plate on the pile foundation hole, so that the structure formed by the multiple column rods is inserted in the guide cylinder, and the column rod is lowered along the guide cylinder, so that the carrier plate equipped with a camera and a lighting lamp is lowered to the lower position in the pile foundation hole, so as to realize the photography of the pile foundation hole wall, and display the photo information through the computer, so as to judge whether the pile foundation hole wall has collapsed, etc., and realize the inspection of the pile foundation hole wall, and the multiple column rods and the guide cylinder cooperate with each other so that the transparent cover does not contact the pile foundation hole wall, that is, to prevent the shooting component from contacting the pile foundation hole wall and adhering to the soil.

[0014] 2. When the external thread ring on one column rod is screwed into the circular groove on another column rod, the external thread ring squeezes the blocking ring, and the blocking ring squeezes the second spring, causing the second spring to produce elastic deformation. When the external thread ring is separated from the circular groove, the blocking ring slides in the circular groove under the action of the rebound force of the second spring, so that the blocking ring is flush with the lower end of the circular groove. At this time, the blocking ring can cover the part of the circular groove where the external thread is processed to prevent dirt and other debris from adhering to the external thread at will.

[0015] 3. Install two limit rings in the threading hole, and put the column ring between the two limit rings on the cable and connect and fix it to the cable. At this time, the cable between the two poles is in a redundant state, and the column ring and the limit ring work together to limit the relative displacement range between the cable and the pole, avoiding a large range of movement between the pole and the cable.

[0016] 4. When the ground at the mouth of the pile foundation hole is uneven, adjust the pillars in the four vertical holes so that the chassis at the lower end of the pillars is in contact with the ground, and then use the positioning bolts to limit the relative position of the pillars and the positioning tube. At this time, the pillars play the role of filling the gap between the bottom plate and the ground, achieving balanced support for the bottom plate, and facilitating the horizontal placement of the bottom plate at the uneven mouth of the pile foundation hole. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Other features, objects and advantages of the present invention will become more apparent by reading the detailed description of non-limiting embodiments with reference to the following drawings:

[0018] Figure 1 This is a structural schematic diagram of a pile foundation hole wall inspection device of the utility model;

[0019] Figure 2 for Figure 1 Enlarged view of point A in the middle;

[0020] Figure 3It is a schematic diagram of the assembly of the external thread ring and the column rod in a pile foundation hole wall inspection device of the utility model;

[0021] Figure 4 It is a schematic diagram of the assembly of a lighting lamp, a camera, a carrier plate and a carrier plate in a pile foundation hole wall inspection device of the utility model;

[0022] Figure 5 It is a three-dimensional diagram of a carrier plate in a pile foundation hole wall inspection device of the utility model;

[0023] Figure 6 It is a schematic diagram of the assembly of an external threaded sleeve and a carrier plate in a pile foundation hole wall inspection device of the utility model;

[0024] Figure 7 It is a schematic diagram of the assembly of cables and poles in a pile foundation hole wall inspection device of the utility model;

[0025] Figure 8 A three-dimensional diagram of a U-shaped frame in a pile foundation hole wall inspection device of the utility model;

[0026] Fig. 9 It is a schematic diagram of the assembly of a pressure ring and a pin in a pile foundation hole wall inspection device of the utility model;

[0027] Fig.10 It is a schematic diagram of the assembly of a guide cylinder, an L-shaped frame and a bottom plate in a pile foundation hole wall inspection device of the utility model;

[0028] In the figure: 1-base plate, 2-pillar, 3-positioning cylinder, 4-positioning bolt, 5-chassis, 6-carrying plate, 7-transparent cover, 8-column, 9-round mouth, 10-annular groove, 11-guide cylinder, 12-semicircle clamping ring, 13-L-shaped frame, 14-cable, 15-pin, 16-U-shaped frame, 17-first spring, 18-pressure ring, 19-external threaded ring, 20-carrying plate, 21-camera, 22-illumination lamp, 23-perforation, 24-strip groove, 25-external threaded sleeve, 26-limiting ring, 27-column ring, 28-threading hole, 29-second spring, 30-round groove, 31-blocking ring, 32-through hole, 33-vertical hole. DETAILED DESCRIPTION

[0029] In order to make the technical means, creative features, objectives and effects achieved by the present invention easy to understand, the present invention is further described below in conjunction with specific implementation methods.

[0030] See also Figure 1 and Fig.10The utility model provides a technical solution: a pile foundation hole wall inspection device, comprising a base plate 1, four vertical holes 33 are opened at the upper corners of the base plate 1, a positioning tube 3 concentrically arranged with the vertical hole 33 is provided on the upper side of the vertical hole 33, the lower end of the positioning tube 3 is connected and fixed to the base plate 1, and a positioning bolt 4 is threadedly connected to the outer surface of the positioning tube 3. A pillar 2 is inserted in the positioning tube 3, and a chassis 5 is connected and fixed to the lower end of the pillar 2. When the ground at the hole mouth of the pile foundation is uneven, the pillars 2 in the four vertical holes 33 are adjusted so that the chassis 5 at the lower end of the pillar 2 contacts the ground, and then the positioning bolts 4 are used to limit the relative position of the pillar 2 and the positioning tube 3. At this time, the pillar 2 plays a role of filling the gap between the base plate 1 and the ground, thereby realizing balanced support for the base plate 1, so that the base plate 1 is placed horizontally at the uneven hole mouth of the pile foundation.

[0031] See also Figure 1-Figure 10An L-shaped frame 13 is connected and fixed at one edge of the upper surface of the bottom plate 1, and a guide cylinder 11 is connected and fixed at the horizontal end of the L-shaped frame 13. A vertically arranged column 8 is inserted in the guide cylinder 11. A circular groove 30 is opened on the lower surface of the column 8. A threading hole 28 communicating with the circular groove 30 is opened at the top of the circular groove 30. The threading hole 28 passes through the column 8. An internal thread is processed at the lower position of the circular groove 30. An external thread ring 19 matching the internal thread is connected and fixed to the upper end of the column 8. The external thread ring 19 at the upper end of one column 8 is threadedly connected to the circular groove 30 on the other column 8. The threading hole 28 The cable 14 is inserted therein, and the circular groove 30 on the bottom column 8 is internally threadedly connected with an external thread sleeve 25, and the lower end of the external thread sleeve 25 is connected and fixed to the carrier 6, so that the external thread sleeve 25 is threadedly connected in the circular groove 30, so as to realize the convenient disassembly and assembly of the carrier 6 and the column 8, and a through hole 23 arranged concentrically with the external thread sleeve 25 is opened in the middle position of the upper surface of the carrier 6, and the through hole 23 and the threading hole 28 jointly form a channel for inserting the cable 14, and three carrier plates 20 are installed in the three strip grooves 24 opened in annular shape and equidistantly on the lower surface of the carrier 6, and a cable 14 is installed on the one side of the carrier plate 20 facing outward. 14 electrically connected camera 21 and lighting lamp 22, the carrier plate 6 is installed in the upper position of the transparent cover 7, the external thread sleeve 25 on the carrier plate 6 is screwed into the circular groove 30 on a column 8, the assembly of the carrier plate 6 and the column 8 is completed, the external thread ring 19 on one column 8 is screwed into the circular groove 30 on another column 8, the assembly of two adjacent columns 8 is realized, and so on, the assembly of multiple columns 8 is realized, it is convenient to assemble multiple columns 8 with each other according to the depth of the pile foundation hole, the bottom plate 1 is overlapped on the pile foundation hole, and the structure formed by the multiple columns 8 is inserted into the guide cylinder 11 , the column rod 8 is lowered along the guide cylinder 11, so that the carrier plate 6 equipped with the camera 21 and the lighting lamp 22 is lowered to the lower position in the pile foundation hole, so as to take pictures of the wall of the pile foundation hole, and display the photo information through the computer, so as to judge whether the wall of the pile foundation hole has collapsed, etc., and realize the inspection of the wall of the pile foundation hole. The multiple column rods 8 and the guide cylinder 11 cooperate with each other to prevent the transparent cover 7 from contacting the wall of the pile foundation hole, that is, to prevent the shooting component from contacting the wall of the pile foundation hole and adhering to the soil. A circular opening 9 is arranged concentrically with the column rod 8 in the middle position of the upper surface of the base plate 1, and the circular opening 9 is convenient for the column rod 8 to pass through the base plate 1.

[0032] See also Figure 1 , Figure 2 , Figure 8 and Fig. 9The outer surface of the guide cylinder 11 is symmetrically provided with two pin holes, and U-shaped frames 16 are provided on the outside of the two pin holes. Both ends of the U-shaped frame 16 are connected and fixed to the guide cylinder 11. A through hole 32 arranged concentrically with the pin hole is provided on the side of the U-shaped frame 16 facing the pin hole. A pin column 15 is inserted in the through hole 32, and one end of the pin column 15 passes through the pin hole and extends into the annular groove 10. Two annular grooves 10 are provided on the outer surface of the column rod 8. A pressure ring 18 connected and fixed to the pin column 15 is sleeved on the outer surface of one end of the pin column 15 close to the pin hole, and a first spring 17 is provided between the pressure ring 18 and the through hole 32. The first spring 17 is sleeved on the pin column 15. Under the action of the rebound force of the first spring 17, one end of the pin column 15 contacts the surface of the column rod 8, so that the pin column 15 is inserted in the annular groove 10, thereby limiting the relative position of the column rod 8 and the guide cylinder 11 and preventing the column rod 8 from falling into the pile foundation hole.

[0033] See also Figure 7 The top of the circular groove 30 is connected and fixed with a connecting ring, and the lower surface of the connecting ring is connected and fixed with the second spring 29. The design of the connecting ring facilitates that one end of the second spring 29 is installed in the circular groove 30, and the lower end of the second spring 29 is connected and fixed with a blocking ring 31, and the blocking ring 31 is slidably installed in the circular groove 30. The cable 14 passes through the connecting ring, the second spring 29 and the blocking ring 31, so that when the external thread ring 19 on one column rod 8 is screwed into the circular groove 30 on the other column rod 8, the external thread ring 19 squeezes the blocking ring 31, and the blocking ring 31 squeezes the second spring 29, causing the second spring 29 to produce elastic deformation. When the external thread ring 19 is separated from the circular groove 30, the blocking ring 31 slides in the circular groove 30 under the action of the rebound force of the second spring 29, so that the blocking ring 31 is flush with the lower end of the circular groove 30. At this time, the blocking ring 31 realizes the shielding of the part where the external thread is processed in the circular groove 30 to prevent dirt and other debris from arbitrarily adhering to the external thread.

[0034] See also Figure 7 , limit rings 26 are installed at the upper position and the lower position of the threading hole 28, the limit ring 26 is sleeved on the cable 14, two column rings 27 are provided between the two limit rings 26, the column ring 27 is slidably installed in the threading hole 28, the column ring 27 is sleeved on the cable 14 and is connected and fixed to the cable 14, the portion of the cable 14 between the two column rings 27 is redundant, two limit rings 26 are installed in the threading hole 28, and the column ring 27 between the two limit rings 26 is sleeved on the cable 14 and is connected and fixed to the cable 14. At this time, the cable 14 between the two column rods 8 is in a redundant state, and then the column ring 27 and the limit ring 26 work together to limit the relative displacement range between the cable 14 and the column rod 8, thereby avoiding a large range of movement between the column rod 8 and the cable 14.

[0035] See also Figure 1 and Fig.10The upper surface of the horizontal portion of the L-shaped frame 13 and the lower surface of the horizontal portion of the L-shaped frame 13 are both installed with semicircular clamping rings 12. When two adjacent pillars 8 are separated, the pillars 8 are inserted into the corresponding semicircular clamping rings 12 to limit the position of the pillars 8.

[0036] Although this specification is described according to implementation modes, not every implementation mode includes only one independent technical solution. This description of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment may also be appropriately combined to form other implementation modes that can be understood by those skilled in the art.

Claims

1. A pile foundation hole wall inspection device, comprising a bottom plate (1), characterized in that: An L-shaped frame (13) is connected and fixed at one edge of the upper surface of the base plate (1), and a guide cylinder (11) is connected and fixed at the horizontal end of the L-shaped frame (13). A vertically arranged column (8) is inserted in the guide cylinder (11), and a circular groove (30) is provided on the lower surface of the column (8). A threading hole (28) communicating with the circular groove (30) is provided at the top of the circular groove (30), and the threading hole (28) passes through the column (8). An internal thread is processed at the lower position of the circular groove (30), and the upper end of the column (8) is connected and fixed with a threaded hole (28) communicating with the internal thread. The outer thread ring (19) of the upper end of one of the pillars (8) is threadedly connected to a circular groove (30) on the other pillar (8), a cable (14) is inserted into the threading hole (28), a detachable shooting component electrically connected to the cable (14) is installed at the lower end of the pillar (8), a circular opening (9) concentrically arranged with the pillar (8) is opened in the middle of the upper surface of the base plate (1), and two groups of limit members for limiting the relative position of the pillar (8) and the guide cylinder (11) are installed on the outer surface of the guide cylinder (11).

2. A pile foundation hole wall inspection device according to claim 1, characterized in that: The photographing component comprises a carrier plate (6), the inner thread of the circular groove (30) on the bottommost column rod (8) is connected to an outer thread sleeve (25), the lower end of the outer thread sleeve (25) is connected and fixed to the carrier plate (6), a through hole (23) arranged concentrically with the outer thread sleeve (25) is opened in the middle of the upper surface of the carrier plate (6), three carrier plates (20) are installed in a circular shape and equidistantly on the lower surface of the carrier plate (6), a camera (21) and an illuminating lamp (22) electrically connected to the cable (14) are installed on the outer side of the carrier plate (20), and the carrier plate (6) is installed in the upper position inside the transparent cover (7).

3. A pile foundation hole wall inspection device according to claim 2, characterized in that: The lower surface of the carrier plate (6) is provided with three strip grooves (24) in an annular shape and at equal intervals, and one end of the carrier plate (20) is fixed in the strip groove (24).

4. A pile foundation hole wall inspection device according to claim 1, characterized in that: A connecting ring is fixedly connected to the top of the circular groove (30), the lower surface of the connecting ring is fixedly connected to the second spring (29), the lower end of the second spring (29) is fixedly connected to a blocking ring (31), the blocking ring (31) is slidably installed in the circular groove (30), and the cable (14) passes through the connecting ring, the second spring (29) and the blocking ring (31).

5. The pile foundation hole wall inspection device according to claim 1, characterized in that: A limit ring (26) is installed at the upper position inside the threading hole (28) and the lower position inside the threading hole (28). The limit ring (26) is sleeved on the cable (14). Two column rings (27) are provided between the two limit rings (26). The column ring (27) is slidably installed in the threading hole (28). The column ring (27) is sleeved on the cable (14) and is connected and fixed to the cable (14). The portion of the cable (14) between the two column rings (27) is redundant.

6. A pile foundation hole wall inspection device according to claim 1, characterized in that: The limiting member comprises a U-shaped frame (16), the outer surface of the guide cylinder (11) is symmetrically provided with two pin holes, a U-shaped frame (16) is arranged outside the pin hole, both ends of the U-shaped frame (16) are connected and fixed to the guide cylinder (11), a through hole (32) arranged concentrically with the pin hole is arranged on the side of the U-shaped frame (16) facing the pin hole, a pin column (15) is inserted in the through hole (32), one end of the pin column (15) passes through the pin hole and extends into the annular groove (10), the outer surface of the column rod (8) is provided with two annular grooves (10), the outer surface of one end of the pin column (15) close to the pin hole is sleeved with a pressure ring (18) connected and fixed to the pin column (15), a first spring (17) is arranged between the pressure ring (18) and the through hole (32), and the first spring (17) is sleeved on the pin column (15).

7. A pile foundation hole wall inspection device according to claim 1, characterized in that: The four corners of the upper surface of the base plate (1) are each provided with a vertical hole (33), a positioning cylinder (3) arranged concentrically with the vertical hole (33) is provided on the upper side of the vertical hole (33), a positioning bolt (4) is threadedly connected to the outer surface of the positioning cylinder (3), a support (2) is inserted in the positioning cylinder (3), and the lower end of the support (2) is connected and fixed to a chassis (5).

8. The pile foundation hole wall inspection device according to claim 1, characterized in that: Semicircular clamping rings (12) are installed on the upper surface of the horizontal part of the L-shaped frame (13) and the lower surface of the horizontal part of the L-shaped frame (13), and the column rod (8) is inserted in the semicircular clamping ring (12).

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