Foundation pit monitoring point protection device

Abstract

A foundation pit monitoring point protection device comprises a column pier used for placing a monitoring point; the clamping mechanism is arranged on the column pier; the positioning mechanism is arranged on the clamping mechanism; the protection frame is connected with the positioning mechanism, an observation instrument can be erected on the protection frame, and the protection frame comprises a protection cylinder surrounding the monitoring point; and the sealing rod is slidably connected to the protective cylinder. After the groove wraps the monitoring point, the monitoring point limits the position of the groove at the same time, the outer wall of the protective cover is attached to the inner wall of the protective cylinder, and the position of the protective cylinder is fixed at the moment; when monitoring is not carried out, a protective cover is used for positioning, when monitoring is needed, the protective cover is taken out to install monitoring equipment, at the moment, a centering hole is located over a monitoring point, centering is convenient, and meanwhile the centering hole is stable through interaction of a protective frame and a limiting frame; the device can be dismantled and recycled after foundation pit construction monitoring is completely finished.

Description

TECHNICAL FIELD

[0001] The utility model relates to a foundation pit monitoring technical field more specifically, especially relates to a foundation pit monitoring point position protection device. BACKGROUND

[0002] When carrying out foundation pit construction, foundation pit deformation monitoring is a key link, and the stability of the foundation pit is judged by monitoring the displacement of the foundation pit slope at regular time.

[0003] The existing foundation pit monitoring point is arranged on the column pier, and the observation instrument can be placed on the monitoring point during monitoring to monitor the displacement of the foundation pit, but the monitoring point is easily eroded in the harsh environment of the construction site, so the monitoring point needs to be protected, and the existing protection device needs to be opened to start centering from the non-point position, and the efficiency of installing the observation instrument is low. UTILITY MODEL CONTENTS

[0004] The utility model aims at providing a foundation pit monitoring point position protection device that can protect the monitoring point and improve the centering speed.

[0005] A foundation pit monitoring point position protection device, comprising: a column pier for placing a monitoring point; a clamping mechanism provided on the column pier; a positioning mechanism provided on the clamping mechanism; a protective frame connected with the positioning mechanism, the protective frame being capable of supporting an observation instrument, the protective frame comprising a protective cylinder surrounding the monitoring point; and a closing rod slidingly connected to the protective cylinder.

[0006] Further, the clamping mechanism comprises: clamps provided at the four corners of the column pier; and a tensioning bolt connecting adjacent clamps.

[0007] Further, the side wall of the clamp protrudes a connecting piece, the connecting piece is provided with a hole, the tensioning bolt penetrates the hole, and a locking nut is screwed on the tensioning bolt.

[0008] Further, the positioning mechanism comprises: a sliding groove block slidingly connected to the top of the clamp; a limiting stopper provided in the middle of the sliding groove block; a propelling screw rod screwed to the limiting stopper; and a limiting clamp provided at the front end of the propelling screw rod.

[0009] Further, the top of the clamp is provided with a protruding block, and the bottom of the sliding groove block slides on the protruding block.

[0010] Further, the rear end of the propelling screw rod is provided with a rotating handle, the front end of the propelling screw rod is a smooth surface, the rear end of the limiting clamp is provided with a connecting cylinder, and the front end of the propelling screw rod is slidingly connected to the connecting cylinder.

[0011] Further, the protection frame further comprises: a mounting platform, a centering hole being formed in the middle of the mounting platform; a supporting leg arranged at the bottom of the mounting platform; and a positioning rod connected with the protection cylinder, the side wall of the positioning rod being in the same plane with the side wall of the supporting leg.

[0012] Further, the side wall of the supporting leg is provided with a positioning clamping groove, and the two ends of the limiting clamp are provided with bending pieces which are slidingly connected to the positioning clamping groove.

[0013] Further, the closing rod comprises: a protection cover which is slidingly connected to the inner wall of the protection cylinder; an auxiliary rod arranged at the top of the protection cover; a marker rod which is detachably connected to the top of the auxiliary rod, the top of the marker rod penetrating the centering hole; and a marker arranged at the top of the marker rod.

[0014] Further, the bottom of the protection cover is provided with a groove which has the same size as the monitoring point, and the groove can wrap the monitoring point.

[0015] Compared with the prior art, the utility model has the beneficial effects that:

[0016] ①After the groove wraps the monitoring point, the monitoring point limits the position of the groove, the outer wall of the protection cover is attached to the inner wall of the protection cylinder, and the position of the protection cylinder is fixed at this time.

[0017] ②The protection cover is used for positioning when there is no monitoring, and the protection cover is removed to install the monitoring equipment when monitoring is needed, at this time, the centering hole is located directly above the monitoring point, so that the centering is more convenient, and the protection frame and the limiting frame interact to stabilize the centering hole.

[0018] ③The device can be removed and recycled after the whole foundation pit construction monitoring is completed. BRIEF DESCRIPTION OF DRAWINGS

[0019] The accompanying drawings are included to provide a further understanding of the utility model, and constitute a part of the specification, and are used together with the embodiments of the utility model to explain the utility model, and do not constitute a limitation on the utility model. In the drawings:

[0020] Figure 1 It is a whole structure schematic view of a foundation pit monitoring point protection device.

[0021] Figure 2 It is a schematic view of a positioning mechanism in a foundation pit monitoring point protection device.

[0022] Figure 3 It is a schematic view of a protection frame and a closing rod in a foundation pit monitoring point protection device.

[0023] In the diagram: 1. Column base; 2. Clamping mechanism; 21. Clamper; 211. Connecting piece; 212. Protrusion; 22. Tie bolt; 221. Locking nut; 3. Positioning mechanism; 31. Sliding block; 32. Limiter; 33. Push screw; 331. Rotating handle; 34. Limiting clip; 341. Connecting cylinder; 342. Bending piece; 4. Protective frame; 41. Protective cylinder; 42. Erection platform; 421. Centering hole; 43. Support leg; 431. Positioning slot; 44. Positioning rod; 5. Sealing rod; 51. Protective cover; 52. Auxiliary rod; 53. Marking rod; 54. Marker. Detailed Implementation

[0024] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0025] like Figure 1 As shown, a foundation pit monitoring point protection device includes: a column pier 1 for placing the monitoring point; a clamping mechanism 2 provided on the column pier 1; a positioning mechanism 3 provided on the clamping mechanism 2; a protective frame 4 connected to the positioning mechanism 3, on which observation instruments can be mounted, the protective frame 4 including a protective cylinder 41 surrounding the monitoring point; and a closing rod 5 slidably connected to the protective cylinder 41.

[0026] The clamping mechanism 2 includes: clamps 21 located at the four corners of the column base 1. The inner wall of the clamps 21 fits against the side wall of the column base 1. The clamping plates can protect the four corners of the column base 1 from damage and increase the contact area with the column base 1, making the device more stable during operation. Tie bolts 22 connect adjacent clamps 21. The tie bolts 22 connect the clamps 21 to each other, making the connection between the clamps 21 and the column base 1 tighter and preventing shaking.

[0027] The side wall of the clamp 21 has a protruding connecting piece 211 with a hole. The tie bolt 22 passes through the hole, and the diameter of the hole is larger than the outer diameter of the tie bolt 22. The hole does not restrict the movement of the tie bolt 22. A locking nut 221 is screwed onto the tie bolt 22. After the locking nuts 221 at both ends of the tie bolt 22 are attached to the side wall of the connecting piece 211, they restrict the movement of the tie bolt 22 and fix the position of the two clamps 21. When tightening, the clamps 21 are first divided into two groups. After the two clamps 21 in each group are fixed, the two groups of clamps 21 are fixed.

[0028] like Figure 2As shown, the positioning mechanism 3 comprises: a sliding block 31 connected to the top of the holder 21, the length of the sliding block 31 is greater than the length of the pier 1; a limiting device 32 arranged in the middle of the sliding block 31, the extending direction of the limiting device 32 is perpendicular to the length direction of the sliding block 31; a push screw 33 screwed to the limiting device 32; a limiting clamp 34 arranged at the front end of the push screw 33, the push screw 33 drives the limiting clamp 34 to move forward.

[0029] The top of the holder 21 is provided with a protrusion 212, the height of the protrusion 212 supports the sliding block 31, the bottom of the sliding block 31 slides on the protrusion 212, the protrusion 212 limits the direction of the sliding block 31, so that the sliding block 31 is parallel to the side line of the pier 1, and the sliding block 31 will not be turned over under the action of gravity.

[0030] The rear end of the push screw 33 is provided with a rotating handle 331, the front end of the push screw 33 is a smooth surface, the rear end of the limiting clamp 34 is provided with a connecting cylinder 341, the smooth surface of the front end of the push screw 33 is slidingly connected to the connecting cylinder 341, the push screw 33 advances or retreats by rotating, the push screw 33 drives the limiting clamp 34 to advance, but the push screw 33 will not rotate the limiting clamp 34 together when rotating.

[0031] As shown in the drawings, Figure 3 The protection frame 4 further comprises: a platform 42, a centering hole 421 is arranged in the middle of the platform 42, a total station and other monitoring equipment can be connected to the centering hole 421, the centering hole 421 is located above the monitoring point, and the monitoring equipment is installed on the platform 42 and only needs to be adjusted to complete the centering; a supporting leg 43 arranged at the bottom of the platform 42, the bottom of the supporting leg 43 is attached to the top surface of the pier 1, and the supporting leg 43 supports the equipment platform to be stable and not to shake; a positioning rod 44 connected to the protection cylinder 41, the positioning rod 44 is L-shaped, the side wall of the positioning rod 44 is in the same plane as the side wall of the supporting leg 43, and the positioning rod 44 drives the protection cylinder 41 to move together.

[0032] The side wall of the supporting leg 43 is provided with a positioning clamp groove 431, the two ends of the limiting clamp 34 are provided with bent pieces 342, the bent pieces 342 are slidingly connected to the positioning clamp groove 431, the positioning clamp groove 431 limits the up and down movement of the limiting clamp 34, and in the installation of the device, the bent pieces 342 are first determined in the normal position, and then the positioning clamp groove 431 is welded on the supporting leg 43, so that the supporting leg 43 and the limiting clamp 34 restrict each other, and the left and right sliding of the supporting frame or the sliding block 31 is reduced.

[0033] The closed rod 5 comprises: a protective cover 51 slidably connected to the inner wall of the protection cylinder 41, which protects the upper part of the monitoring point; an auxiliary rod 52 arranged at the top of the protective cover 51, which is used to drive the protective cover 51 to move and facilitate the extraction of the protective cover 51 from the protection cylinder 41; a marker rod 53 detachably connected to the top of the auxiliary rod 52, the bottom of the marker rod 53 is provided with a thread, the top of the auxiliary rod 52 is provided with a threaded hole, the bottom of the marker rod 53 can be screwed into the top of the auxiliary rod 52, the top of the marker rod 53 penetrates the centering hole 421, the outer diameter of the top of the marker rod 53 is greater than the inner diameter of the centering hole 421, and the marker rod 53 can only be disassembled from the top of the erection platform 42; a marker 54 arranged at the top of the marker rod 53, the marker 54 can be a flag, and the marker 54 adopts bright colors, so that the monitoring personnel can easily find the monitoring point, and the marker 54 can also be marked with the number of the monitoring point.

[0034] When the protective cover 51 needs to be taken out for monitoring, the top of the auxiliary rod 52 is lifted to be in close contact with the ground of the erection platform 42, at this time, the protective cover 51 is located at the upper part of the protection cylinder 41, and the protective cover 51 can be taken out by unscrewing the marker rod 53 from the auxiliary rod 52.

[0035] The bottom of the protective cover 51 is provided with a groove, the size of the groove is the same as that of the monitoring point, and the groove can wrap the monitoring point. After the groove wraps the monitoring point, the monitoring point limits the position of the groove, the outer wall of the protective cover 51 is in close contact with the inner wall of the protection cylinder 41, at this time, the position of the protection cylinder 41 is also fixed. The protective cover 51 is used for positioning when there is no monitoring, and the protective cover 51 is taken out to install the monitoring equipment when monitoring is needed, at this time, the centering hole 421 is located directly above the monitoring point, so that the centering is more convenient, and the centering hole 421 is stable due to the interaction of the protective frame 4 and the limiting frame. The device can be removed and recycled after the foundation pit construction monitoring is completed.

[0036] Finally, it should be noted that: the above only describes the preferred embodiments of the present application, and is not intended to limit the present application, although the present application has been described in detail with reference to the foregoing embodiments, and for those skilled in the art, the technical solutions recorded in the foregoing embodiments can be modified, or some technical features can be replaced. Any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application shall be included in the protection scope of the present application.

Claims

1. A foundation pit monitoring point position protection device, characterized in that, The utility model relates to a kind of monitoring point placing device, including: The column (1) for placing monitoring point; Clamping mechanism (2) arranged on the column (1); Positioning mechanism (3) arranged on the clamping mechanism (2); Protective frame (4) connected with the positioning mechanism (3), observation instrument can be erected on the protective frame (4), and the protective frame (4) includes the protection cylinder (41) surrounding monitoring point;And Closed rod (5) slidingly connected to the protection cylinder (41).

2. The foundation pit monitoring point protection device according to claim 1, characterized in that: The clamping mechanism (2) includes: clamping device (21) arranged at the four corners of the column (1);Opposite pull bolt (22) connected adjacent clamping device (21).

3. The foundation pit monitoring point protection device according to claim 2, characterized in that: The side wall of the clamping device (21) protrudes a connecting piece (211), and the connecting piece (211) is provided with a hole, the opposite pull bolt (22) penetrates the hole, and the opposite pull bolt (22) is screwed with a locking nut (221).

4. The foundation pit monitoring point protection device according to claim 3, characterized in that: The positioning mechanism (3) includes: sliding groove block (31) slidingly connected to the top of the clamping device (21);Limiting device (32) arranged in the middle of the sliding groove block (31);Screwed to the limiting device (32) is advance screw (33);Limiting card (34) arranged at the front end of the advance screw (33).

5. The foundation pit monitoring point protection device according to claim 4, characterized in that: The top of the clamping device (21) is provided with a lug (212), and the bottom of the sliding groove block (31) slides on the lug (212).

6. The pit monitoring point protection device according to claim 5, characterized in that: The rear end of the advance screw (33) is provided with a rotating handle (331), the front end of the advance screw (33) is a smooth surface, the rear end of the limiting card (34) is provided with a connecting cylinder (341), and the front end of the advance screw (33) is slidingly connected to the connecting cylinder (341).

7. The pit monitoring point protection device according to claim 6, characterized in that: The protective frame (4) further includes: erection platform (42), the middle of the erection platform (42) is provided with a centering hole (421);Support leg (43) arranged at the bottom of the erection platform (42);Positioning rod (44) connected with the protection cylinder (41), the side wall of the positioning rod (44) is in the same plane with the side wall of the support leg (43).

8. The pit monitoring point protection device according to claim 7, characterized in that: The side wall of the support leg (43) is provided with a positioning card slot (431), and the two ends of the limiting card (34) are provided with a bent piece (342), which is slidingly connected to the positioning card slot (431).

9. The pit monitoring point protection device according to claim 8, characterized in that: The closed rod (5) includes: protective cover (51) slidingly connected to the inner wall of the protection cylinder (41);Auxiliary rod (52) arranged at the top of the protective cover (51);Marking rod (53) detachably connected to the top of the auxiliary rod (52), the top of the marking rod (53) penetrates the centering hole (421);Marker (54) arranged at the top of the marking rod (53).

10. The pit monitoring point protection device according to claim 9, characterized in that: The bottom of the protective cover (51) is provided with a groove, the size of the groove is same with monitoring point, and the groove can wrap the monitoring point.

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