CN211621534U

CN211621534U - Foundation ditch horizontal displacement detection device

Info

Publication number: CN211621534U
Application number: CN201922329183.2U
Authority: CN
Inventors: 王振; 王金宇; 范蒙蒙; 韦庆
Original assignee: Jiangsu Xinya Survey Design Co ltd
Current assignee: Jiangsu Xinya Survey Design Co ltd
Priority date: 2019-12-23
Filing date: 2019-12-23
Publication date: 2020-10-02
Anticipated expiration: 2029-12-23

Abstract

The utility model belongs to the technical field of foundation pit detection, in particular to a foundation pit horizontal displacement detection device, which comprises a prism and a total station, wherein the upper sides of two cross rods are fixedly connected with a water retaining shed, the inside of a placing hole is fixedly connected with a spring, the other side of the spring is fixedly connected with a limiting block matched with the placing hole, the front side of a loop bar is provided with four locking holes matched with a locking piece, the front side of the loop bar is fixedly connected with four pressing components, the four pressing components are respectively matched with the positions of the four locking holes, the lower side of the loop bar is fixedly connected with a rotating plate, the lower side of the rotating plate is fixedly connected with a supporting strip, the upper side of a base is provided with a sliding groove matched with the supporting strip, the upper side of a sliding block is fixedly connected with a screw rod, the upper side of the screw rod penetrates through the rotating plate and, and be equipped with waterproof canopy at the prism upside, prevent that the rainwater from being stained with on the prism surface, influence measurement accuracy.

Description

Foundation ditch horizontal displacement detection device

Technical Field

The utility model belongs to the technical field of the foundation ditch detects, concretely relates to foundation ditch horizontal displacement detection device.

Background

In the building construction, a foundation pit needs to be dug on the ground, the soil body on the side wall of the foundation pit tends to move towards the inside of the foundation pit along with the digging of the soil body in the foundation pit, and the horizontal deformation of the soil body needs to be monitored so as to judge the safety and stability of a supporting structure and reduce potential safety hazards;

at present, the observation method of the foundation pit horizontal displacement is that a monitoring point is set on a foundation pit support (such as a retaining wall), a prism is arranged on the monitoring point, and the monitoring point is matched with a total station outside the foundation pit and a reference point prism for measurement and calculation, thereby realizing the monitoring of the foundation pit horizontal displacement, at present, the common prism installation mode is to implant a reinforcing steel bar into the retaining wall, and arrange the prism on the top of the reinforcing steel bar, analyze the foundation pit horizontal displacement and settlement according to the light reflected to the total station by a reflecting surface of the prism, thereby realizing the monitoring of the foundation pit horizontal displacement and settlement, the connection mode of the prism and the top of the reinforcing steel bar is usually to adopt a fixing screw embedded on the top of the embedded reinforcing steel bar and then connect with a prism base thread, at present, the prism can not properly adjust the height according to the actual situation of the engineering monitoring, and the left and right angle adjustment of the prism mainly, carry out angle modulation about appropriate, but angle modulation mode of this kind can make between prism and the clamping screw fixed effect not good to present prism does not have the function that prevents the rainwater, detects the time measuring in the rainy day, and the rainwater is stained with on the prism surface, can cause the influence to detecting the precision.

SUMMERY OF THE UTILITY MODEL

The utility model aims at: aim at providing a foundation ditch horizontal displacement detection device, can adjust the height and the angle of prism according to the actual conditions of engineering monitoring, conveniently make prism and total powerstation match mutually, and be equipped with waterproof canopy at the prism upside, prevent that the rainwater from being stained with on the prism surface, influence measurement accuracy.

In order to realize the technical purpose, the utility model discloses a technical scheme as follows:

a foundation pit horizontal displacement detection device comprises a prism and a total station, wherein the prism is provided with a first rotating shaft, the left side and the right side of the first rotating shaft are rotatably connected with a frame, the upper side of the frame is bilaterally symmetrically provided with support rods, the upper sides of the two support rods are fixedly connected with cross rods, the upper sides of the two cross rods are fixedly connected with water retaining sheds, the lower side of the frame is fixedly connected with a support column, the lower side of the support column is provided with a slide hole, the rear side of the slide hole is provided with a placing hole, a spring is fixedly connected in the placing hole, the other side of the spring is fixedly connected with a limit block matched with the placing hole, the other side of the limit block is fixedly connected with a lock block matched with the slide hole, one end of the lock block, which is far away from the limit block, is a loop bar is arranged on, the utility model discloses a lock device for a lock, including loop bar, loop bar front side fixedly connected with presses down the subassembly, four press down the subassembly respectively with four lockhole site phase-matchs, loop bar downside fixedly connected with commentaries on classics board, change board downside fixedly connected with support bar, the support bar encircles commentaries on classics board a week, the loop bar downside runs through to change the board and rotates and be connected with the second pivot, second pivot lower extreme rotates and is connected with the base, the base upside be equipped with support bar assorted spout, the support bar lower extreme stretches into in the spout, the base upside is equipped with T shape spout, T shape spout encircles second pivot a week, T shape spout inside is equipped with the slider, slider upside fixedly connected with screw rod, the screw rod upside runs through to change board threaded connection and has the latch segment, it establishes to change the cover between board and the.

By adopting the technical scheme of the utility model, the base is screwed through the connection between the lower side of the base and the threaded hole and the pre-embedded fixing bolt until the base is fixed on the pre-embedded fixing bolt; the locking block is unscrewed, the limit of the screw rod is cancelled, the rotating plate is rotated at the moment, so that the second rotating shaft is driven to rotate, the rotating plate drives the sleeve rod, the supporting column, the frame and the prism to rotate, the supporting bar rotates in the sliding groove, the rotating plate plays a supporting role for the rotating plate and drives the sliding block to move in the sliding groove through the screw rod until the prism rotates to a proper angle, the locking block is screwed down to limit the rotating plate through the screw rod and the sliding block, so that the reflecting angle of the prism is limited, and the structure is convenient for a user to adjust the left and right reflecting angles of the prism; the locking piece is moved towards the sliding hole direction by using the pressing component, the spring is compressed, the limiting block moves backwards in the placing hole until the locking piece is pushed out of the locking hole, the supporting column can be pulled up and down at the moment, the front side of the locking piece is a cambered surface which is convenient to move in the loop bar, the four locking holes are four height adjusting positions, the locking piece can be matched with the locking holes with different heights according to actual requirements, the height of the supporting column is adjusted, so that the height of the prism is adjusted, after the locking piece is moved to the locking hole with the proper height, the spring stretches, the locking piece is pushed out and locked into the matched locking hole, the height of the supporting column is limited, and therefore the height; the prism upside is equipped with the canopy that keeps off the rain, prevents that the rainwater from falling on the prism surface when rainy day, causes the influence to the detection effect, and bracing piece and horizontal pole play the supporting role to the canopy that keeps off the rain, and this device simple structure can adjust the height of prism and control the angle according to the actual conditions of engineering monitoring, conveniently makes prism and total powerstation match right mutually, and is equipped with waterproof canopy at the prism upside, prevents that the rainwater from being stained with on the prism surface, influences measurement accuracy.

Further defined, the pressing assembly includes: the plastic pressing block is fixedly connected with the loop bar, the ejector block is fixedly connected with the lower side of the plastic pressing block, and the ejector block is matched with the position of the lock hole. With the structure, a user can press the plastic pressing block to enable the top block to move downwards and push the locking piece out of the locking hole.

Further limit, the plastic pressing block is fixedly connected with a cushion pad at one side far away from the top block. With the structure, a user can press the plastic pressing block more comfortably.

Further limit, diversion channels are arranged on the front side and the rear side of the water blocking shed. By adopting the structure, rainwater on the upper side of the rain shelter flows down from two sides, and the influence on detection precision caused by overlarge rainwater flow on the upper side of the rain shelter flowing down from the front side of the prism is prevented.

Further defined, the first rotating shaft is a damping rotating shaft. With the structure, a user can conveniently limit the vertical turning angle of the prism when rotating the prism.

The utility model discloses have following advantage with prior art relative ratio:

1. this device simple structure can adjust the height of prism and control the angle according to the actual conditions of engineering monitoring, makes prism and total powerstation match more convenient, increases user's work efficiency.

2. This device is equipped with the canopy at the prism upside, prevents that the rainwater from dropping on the prism surface when rainy day, causes the influence to detecting the precision.

3. This device presses subassembly includes: the plastic pressing block and the ejector block are fixedly connected, the plastic pressing block is fixedly connected with the loop bar, the ejector block is fixedly connected with the lower side of the plastic pressing block, and the ejector block is matched with the position of the lock hole.

Drawings

The present invention can be further illustrated by the non-limiting examples given in the accompanying drawings;

fig. 1 is a schematic structural view of an embodiment of a foundation pit horizontal displacement detection device of the present invention;

fig. 2 is a schematic view of a cross-sectional structure of an embodiment of the foundation pit horizontal displacement detection device of the present invention;

FIG. 3 is an enlarged schematic view of the structure at A in FIG. 2;

fig. 4 is a schematic sectional structure diagram of an embodiment of the foundation pit horizontal displacement detection device of the present invention;

FIG. 5 is an enlarged view of the structure at B in FIG. 4;

the main element symbols are as follows:

prism 1, first pivot 11, frame 12, bracing piece 13, horizontal pole 14, manger plate canopy 15, diversion trench 151, support column 2, slide opening 21, place hole 22, spring 23, stopper 24, latch fitting 25, loop bar 3, logical groove 31, lockhole 32, plastics pressing block 33, blotter 331, kicking block 34, commentaries on classics board 4, support bar 41, second pivot 42, base 43, spout 44, T-shaped spout 45, slider 46, screw rod 47, latch segment 48, screw hole 49.

Detailed Description

In order to make the present invention better understood by those skilled in the art, the technical solutions of the present invention are further described below with reference to the accompanying drawings and examples.

As shown in FIGS. 1-5, the utility model relates to a foundation pit horizontal displacement detection device, which comprises a prism 1 and a total station, wherein the prism 1 is equipped with a first rotating shaft 11, the left and right sides of the first rotating shaft 11 are rotatably connected with a frame 12, support rods 13 are symmetrically arranged on the left and right sides of the upper side of the frame 12, the upper sides of the two support rods 13 are fixedly connected with cross rods 14, the upper sides of the two cross rods 14 are fixedly connected with water shelters 15, the lower side of the frame 12 is fixedly connected with a support post 2, the lower side of the support post 2 is provided with a slide hole 21, the rear side of the slide hole 21 is provided with a placing hole 22, a spring 23 is fixedly connected inside the placing hole 22, the other side of the spring 23 is fixedly connected with a stopper 24 matched with the placing hole 22, the other side of the stopper 24 is fixedly connected with a locking, the lower end of the support column 2 extends into the through groove 31, the front side of the loop bar 3 is provided with four lock holes 32 matched with the lock part 25, the front side of the loop bar 3 is fixedly connected with four pressing components which are respectively matched with the positions of the four lock holes 32, the lower side of the loop bar 3 is fixedly connected with a rotating plate 4, the lower side of the rotating plate 4 is fixedly connected with a support strip 41, the support strip 41 surrounds the rotating plate 4 for a circle, the lower side of the loop bar 3 penetrates through the rotating plate 4 to be rotatably connected with a second rotating shaft 42, the lower end of the second rotating shaft 42 is rotatably connected with a base 43, the upper side of the base 43 is provided with a chute 44 matched with the support strip 41, the lower end of the support strip 41 extends into the chute 44, the upper side of the base 43 is provided with a T-shaped chute 45, the T-shaped chute 45 surrounds the second rotating shaft 42 for a, the rotating plate 4 is sleeved with the screw 47, and a threaded hole 49 is arranged at the lower side of the base 43.

By adopting the technical scheme of the utility model, the base 43 is screwed through the connection between the lower side of the base 43 and the threaded hole 49 and the pre-buried fixing bolt until the base 43 is fixed on the pre-buried fixing bolt; the locking block 48 is unscrewed, the limitation of the screw rod 47 is cancelled, at the moment, the rotating plate 4 is rotated, so that the second rotating shaft 42 is driven to rotate, the rotating plate 4 drives the loop bar 3, the supporting column 2, the frame 12 and the prism 1 to rotate, the supporting bar 41 rotates in the sliding groove 44, the rotating plate 4 which has the supporting function on the rotating plate 4 drives the sliding block 46 to move in the sliding groove 44 through the screw rod 47 until the prism 1 rotates to a proper angle, and the locking block 48 is screwed down to limit the rotating plate 4 through the screw rod 47 and the sliding block 46, so that the reflection angle of the prism 1 is limited, and the structure is convenient for a user to adjust the left and right reflection angles of the prism 1; the locking piece 25 moves towards the sliding hole 21 by using the pressing component, the spring 23 is compressed, the limiting block 24 moves backwards in the placing hole 22 until the locking piece 25 is pushed out of the locking hole 32, the supporting column 2 can be pulled up and down at the moment, the front side of the locking piece 25 is a cambered surface, the movement in the loop bar 3 is facilitated, the four locking holes 32 are four height adjusting positions, the locking piece 25 can be matched with the locking holes 23 with different heights according to actual requirements, the height of the supporting column 2 is adjusted, the height of the prism 1 is adjusted, after the locking piece 25 moves to the locking hole 23 with the proper height, the spring 23 stretches, the locking piece 25 is ejected out and locked into the matched locking hole 23, the height of the supporting column 2 is limited, and the height of the prism 1 is limited; 1 upside of prism is equipped with canopy 15, prevents that the rainwater from falling on 1 surface of prism when rainy day, causes the influence to the detection effect, bracing piece 13 and horizontal pole 14 play the supporting role to canopy 15, this device simple structure can adjust the height of prism 1 and control the angle according to the actual conditions of engineering monitoring, conveniently make prism 1 match with the total powerstation mutually, and be equipped with waterproof canopy at 1 upside of prism, prevent that the rainwater from being stained with on 1 surface of prism, influence measurement accuracy.

Preferably, the pressing assembly comprises: the plastic pressing block 33 is fixedly connected with the top block 34, the plastic pressing block 33 is fixedly connected with the loop bar 3, the top block 34 is fixedly connected with the lower side of the plastic pressing block 33, and the top block 34 is matched with the lock hole 32 in position. With this structure, the user can push the plastic pressing block 33 to move the top block 34 downward, and push the locking piece 25 out of the locking hole 32. In fact, other configurations for ejecting lock 25 out of locking aperture 32 are contemplated as circumstances may suggest.

Preferably, a cushion 331 is fixedly connected to the side of the plastic pressing block 33 away from the top block 34. With this structure, the user can press the plastic pressing block 33 more comfortably. In fact, other configurations are contemplated as the case may be, and it is more comfortable for the user to press the plastic plunger 33.

Preferably, the front and rear sides of the water blocking shed 15 are provided with water guide grooves 151. With the structure, rainwater on the upper side of the rain shelter 15 flows down from two sides, and the influence on the detection precision caused by the overlarge rainwater flow on the upper side of the rain shelter 15 flowing down from the front side of the prism 1 is prevented. In fact, other structures can be considered according to specific situations, and the rainwater on the upper side of the rain shelter 15 is prevented from flowing down from the front side of the prism 1 due to overlarge flow, so that the detection precision is prevented from being influenced.

Preferably, the first shaft 11 is a damped shaft. With the structure, a user can conveniently limit the vertical turning angle of the prism 1 when rotating the prism 1. In fact, other structures can be considered according to specific situations, and a user can conveniently limit the vertical turning angle of the prism 1 when rotating the prism 1.

The above embodiments are merely illustrative of the principles and effects of the present invention, and are not to be construed as limiting the invention. Modifications and variations can be made to the above-described embodiments by those skilled in the art without departing from the spirit and scope of the present invention. Accordingly, it is intended that all equivalent modifications or changes which may be made by those skilled in the art without departing from the spirit and technical spirit of the present invention be covered by the claims of the present invention.

Claims

1. The utility model provides a foundation ditch horizontal displacement detection device, includes prism (1) and total powerstation, its characterized in that: the prism (1) is provided with a first rotating shaft (11), the left side and the right side of the first rotating shaft (11) are rotatably connected with a frame (12), support rods (13) are arranged on the upper side of the frame (12) in a bilateral symmetry manner, cross rods (14) are fixedly connected on the upper sides of the two support rods (13), water retaining sheds (15) are fixedly connected on the upper sides of the two cross rods (14), support columns (2) are fixedly connected on the lower sides of the frame (12), slide holes (21) are formed in the lower sides of the support columns (2), placing holes (22) are formed in the rear sides of the slide holes (21), springs (23) are fixedly connected in the placing holes (22), limit blocks (24) matched with the placing holes (22) are fixedly connected on the other sides of the springs (23), locking pieces (25) matched with the slide holes (21) are fixedly connected on the other sides of the limit blocks (24), the utility model discloses a lock, including support column (2), loop bar (3) inside be equipped with logical groove (31), support column (2) lower extreme stretches into inside leading to groove (31), loop bar (3) front side is equipped with four and latch fitting (25) assorted lockhole (32), four pressing components of loop bar (3) front side fixedly connected with, four pressing components respectively with four lockhole (32) position phase-match, loop bar (3) downside fixedly connected with rotor plate (4), rotor plate (4) downside fixedly connected with support bar (41), support bar (41) encircle rotor plate (4) a week, loop bar (3) downside runs through rotor plate (4) and rotates and is connected with second pivot (42), second pivot (42) lower extreme rotates and is connected with base (43), base (43) upside be equipped with support bar (41) assorted spout (44), support bar (41) lower extreme stretches into in spout (44), base (43) upside is equipped with T shape spout (45), second pivot (42) a week is encircleed in T shape spout (45), T shape spout (45) internal assembly has slider (46), slider (46) upside fixedly connected with screw rod (47), screw rod (47) upside runs through commentaries on classics board (4) threaded connection and has latch segment (48), the cover is established between commentaries on classics board (4) and screw rod (47), base (43) downside is equipped with screw hole (49).

2. The foundation pit horizontal displacement detection device of claim 1, wherein: the pressing assembly includes: plastics are pressed block (33) and kicking block (34), plastics are pressed block (33) and loop bar (3) fixed connection, kicking block (34) are pressed block (33) downside fixed connection with plastics, kicking block (34) and lockhole (32) position phase-match.

3. The foundation pit horizontal displacement detection device of claim 2, wherein: the plastic pressing block (33) is fixedly connected with a cushion pad (331) at one side far away from the top block (34).

4. The foundation pit horizontal displacement detection device of claim 1, wherein: diversion channels (151) are arranged on the front side and the rear side of the water blocking shed (15).

5. The foundation pit horizontal displacement detection device of claim 1, wherein: the first rotating shaft (11) is a damping rotating shaft.