CN217032512U

CN217032512U - Foundation pit monitoring forced centering device

Info

Publication number: CN217032512U
Application number: CN202220587545.7U
Authority: CN
Inventors: 陈荣彬
Original assignee: Guangzhou Municipal Engineering Design & Research Institute Co Ltd
Current assignee: Guangzhou Municipal Engineering Design & Research Institute Co Ltd
Priority date: 2022-03-17
Filing date: 2022-03-17
Publication date: 2022-07-22
Anticipated expiration: 2032-03-17

Abstract

The utility model relates to the technical field of foundation pit monitoring, and discloses a forced centering device for foundation pit monitoring, which comprises an abutment and a base for supporting the abutment, wherein a bearing plate for mounting a monitoring assembly is arranged above the abutment, the left side and the right side of the base are both rotatably connected with two groups of travelling wheels, the top of the abutment is fixedly connected with a mounting disc, the top of the mounting disc is fixedly connected with an adjusting cylinder, and the inner wall of the bearing plate, which is provided with an adjusting hole, is rotatably connected with the outer surface of an adjusting screw rod. This centering device is forced in foundation ditch monitoring through setting up locating plate and spacing post for the locating plate follows the lifter plate and moves along the vertical direction under the effect of connecting plate and guiding axle, thereby makes the locating plate pass the constant head tank and support ground, and spacing post inserts ground simultaneously, so that the device is when carrying out monitoring operation remain stable, avoids the device to take place to shift, thereby improves monitoring operation's precision, has improved the use of device and has experienced, has improved the practicality of device.

Description

Forced centering device for foundation pit monitoring

Technical Field

The utility model relates to the technical field of foundation pit monitoring, in particular to a forced centering device for foundation pit monitoring.

Background

The foundation pit monitoring is related to the safety of foundation pit engineering, and also relates to the life and property safety, important pipeline safety and building safety around the foundation pit, the foundation pit deformation monitoring is one of the main items of the foundation pit safety monitoring, the centering error of a measuring instrument and a rear view point in the monitoring process is one of important factors influencing the observation precision, and the conventional forced centering observation pier for monitoring the foundation pit has many problems or defects in the using process.

The foundation ditch that uses among the prior art detects forces centering device to set up the removal subassembly in the device bottom for the convenience of removing, but the setting up of removing the subassembly makes the device take place the side easily when detecting and moves, influences the precision of detection achievement, and the practicality is relatively poor.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Aiming at the defects of the prior art, the utility model provides a forced centering device for foundation pit monitoring, which solves the problems that the device is easy to laterally move when in detection due to the arrangement of a moving assembly, the detection accuracy is influenced, and the practicability is poor.

(II) technical scheme

In order to achieve the purpose, the utility model provides the following technical scheme: a forced centering device for foundation pit monitoring comprises an abutment and a base for supporting the abutment, wherein a bearing plate for mounting a monitoring assembly is arranged above the abutment, the left side and the right side of the base are rotatably connected with two groups of walking wheels, the top of the abutment is fixedly connected with a mounting disc, the top of the mounting disc is fixedly connected with an adjusting cylinder, the inner wall of the adjusting cylinder is in threaded connection with an adjusting screw rod, the inner wall of the bearing plate, which is provided with an adjusting hole, is rotatably connected with the outer surface of the adjusting screw rod, a lifting plate is arranged inside the base, the left side and the right side of the lifting plate are slidably connected with the inner wall of the base, a motor is arranged below the lifting plate, the output end of the motor is in keyed connection with a rotating plate, the top of the rotating plate is rotatably connected with a sliding shaft, the top of the lifting plate is provided with a rectangular groove for the motor and the rotating plate to pass through, and the inner wall of the front side of the rectangular groove is provided with a sliding groove for the sliding shaft to slide, the below of motor is provided with two sets of locating plates, the constant head tank that two sets of confession locating plates passed is seted up to the bottom inner wall of base, the bottom fixedly connected with multiunit of locating plate is used for inserting the spacing post on ground, a set of connecting plate of the equal fixedly connected with in both sides around the locating plate, the connecting hole has been seted up to the rear side of connecting plate, the relative gliding guiding axle of base inner wall of the inner wall fixedly connected with of connecting hole, two sets of gliding guide ways of confession guiding axle have all been seted up to both sides around the lifter plate, the equal two sets of gliding guide rails of confession guiding axle of both sides inner wall fixedly connected with around the base.

Preferably, the rear side fixedly connected with backup pad of motor, the top of backup pad and the top inner wall fixed connection of base, the rear side of backup pad and the rear side inner wall sliding connection of rectangular channel.

Preferably, the height of the guide rail is equal to the distance from the bottom of the positioning plate to the bottom of the walking wheel, and the length of the positioning groove is greater than the sum of the length of the positioning plate and the width of the two groups of connecting plates.

Preferably, the distance between the opposite sides of the two groups of positioning plates is greater than the width of the connecting plate, and the horizontal length of the inner wall of the guide rail is smaller than the length of the inner wall of the guide groove.

Preferably, the bottom end of the limiting column is fixedly connected with a conical head, and the two groups of positioning plates are symmetrical about the vertical central axis of the base.

Preferably, the bottom of the mounting disc is fixedly connected with the top of the abutment through four groups of fastening bolts, and the diameter of the mounting disc is smaller than the side length of the upper surface of the abutment.

(III) advantageous effects

Compared with the prior art, the utility model provides a foundation pit monitoring forced centering device, which has the following beneficial effects:

1. this centering device is forced in foundation ditch monitoring through setting up locating plate and spacing post for the locating plate follows the lifter plate and moves along the vertical direction under the effect of connecting plate and guiding axle, thereby makes the locating plate pass the constant head tank and support ground, and spacing post inserts ground simultaneously, so that the device is when carrying out monitoring operation remain stable, avoids the device to take place to shift, thereby improves monitoring operation's precision, has improved the use of device and has experienced, has improved the practicality of device.

2. This centering device is forced in foundation ditch monitoring, through setting up commentaries on classics board and sliding shaft for when the motor orders about commentaries on classics board and rotates, the sliding shaft uses the output of motor to do circumferential motion as the centre of a circle, thereby makes the slip axial spout inner wall exert thrust, so that the lifter plate goes up and down along with the sliding shaft, thereby realizes the adjustment to the locating plate position, and because the sliding shaft is circumferential motion all the time, make the descending distance of locating plate restricted, avoid the locating plate excessive downward movement and influence the equilibrium of base.

3. This centering device is forced in foundation ditch monitoring adjusts a section of thick bamboo and adjusting screw through setting up for the staff accessible rotates adjusting screw so that adjusting screw drives the loading board and rises, thereby be convenient for the staff adjusts the position of monitoring on the loading board according to the environment at workplace, and set up the mounting disc in order to realize adjusting being connected between a section of thick bamboo and the abutment, make the staff can change an adjustment section of thick bamboo and loading board according to the demand of monitoring work, thereby extension device's application scope.

Drawings

FIG. 1 is a schematic view of the structure of the present invention;

FIG. 2 is a schematic view of a supporting base according to the present invention;

FIG. 3 is an exploded view of a portion of the present invention.

In the figure: 1. a base; 2. pier abutment; 3. installing a disc; 4. an adjusting cylinder; 5. adjusting the screw rod; 6. a carrier plate; 7. a lifting plate; 8. a chute; 9. a sliding shaft; 10. rotating the plate; 11. a motor; 12. positioning a plate; 13. a limiting post; 14. a connecting plate; 15. a guide shaft; 16. a guide rail.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without making any creative effort based on the embodiments in the present invention, belong to the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution: a forced centering device for foundation pit monitoring comprises an abutment 2 and a base 1 for supporting the abutment 2, wherein a bearing plate 6 for mounting a monitoring assembly is arranged above the abutment 2, the left side and the right side of the base 1 are both rotatably connected with two groups of travelling wheels, the top of the abutment 2 is fixedly connected with a mounting disc 3, the top of the mounting disc 3 is fixedly connected with an adjusting cylinder 4, the inner wall of the adjusting cylinder 4 is in threaded connection with an adjusting screw 5, the inner wall of the bearing plate 6, which is provided with an adjusting hole, is rotatably connected with the outer surface of the adjusting screw 5, a lifting plate 7 is arranged inside the base 1, the left side and the right side of the lifting plate 7 are both in sliding connection with the inner wall of the base 1, a motor 11 is arranged below the lifting plate 7, the output end of the motor 11 is in keyed connection with a rotating plate 10, the top end of the rotating plate 10 is rotatably connected with a sliding shaft 9, the top of the lifting plate 7 is provided with a rectangular groove for the motor 11 and the rotating plate 10 to pass through, the gliding spout 8 of confession slide shaft 9 is seted up to the front side inner wall of rectangular channel, motor 11's below is provided with two sets of locating plates 12, the constant head tank that two sets of confession locating plate 12 passed is seted up to base 1's bottom inner wall, the bottom fixedly connected with multiunit of locating plate 12 is used for inserting the spacing post 13 on ground, the equal a set of connecting plate 14 of fixedly connected with in both sides around locating plate 12, the connecting hole has been seted up to the rear side of connecting plate 14, the gliding guide shaft 15 of the relative base 1 inner wall of inner wall fixedly connected with of connecting hole, two sets of gliding guide ways of confession guide shaft 15 have all been seted up to both sides around lifter plate 7, the equal fixedly connected with in both sides inner wall two sets of confession guide shaft 15 gliding guide rail 16 around base 1.

Specifically, in order to ensure the use safety of the device, the rear side fixedly connected with backup pad of motor 11, the top of backup pad and the top inner wall fixed connection of base 1, the rear side of backup pad and the rear side inner wall sliding connection of rectangular channel for the backup pad supports the rear side inner wall of rectangular channel when providing the support for motor 11, so that lifter plate 7 keeps steady at the in-process that goes up and down, avoids lifter plate 7 to take place to turn on one's side and leads to the device impaired.

Specifically, in order to ensure that locating plate 12 provides support and positioning action for base 1, guide rail 16's height equals the distance of locating plate 12 bottom to walking wheel bottom, when making guiding axle 15 support the bottom inner wall of guide rail 16, the bottom and the ground contact of locating plate 12, the length of constant head tank is greater than the length of locating plate 12 and the width sum of two sets of connecting plates 14, make locating plate 12 and connecting plate 14 can not collide with the bottom inner wall of base 1 at the in-process that descends, thereby make locating plate 12 easily pass the constant head tank and support ground, distance between two sets of locating plate 12 opposite sides is greater than the width of connecting plate 14, the horizontal length of guide rail 16 inner wall is less than the length of guide way inner wall, make guiding axle 15 can not blocked by the inner wall of guide way when sliding along the inner wall of guide rail 16, thereby be convenient for guiding axle 15 to drive connecting plate 14 and locating plate 12 decline.

Specifically, for the practicality that improves the device, the bottom fixedly connected with cone of spacing post 13, two sets of locating plates 12 are symmetrical about the perpendicular central axis of base 1, make spacing post 13 insert the preceding cone in ground and break open the soil, with the resistance that reduces spacing post 13 and locating plate 12 and receive, thereby reduce motor 11's operating pressure, through four fastening bolt fixed connection of group between the bottom of mounting disc 3 and the top of pier 2, the diameter of mounting disc 3 is less than the length of side of 2 upper surfaces of pier, make the staff easily dismantle mounting disc 3, thereby reduce and change and overhaul the required time of regulating cylinder 4 and loading board 6.

The working principle is as follows: when the device is used, the device moves to a foundation pit to be monitored, the adjusting screw 5 is rotated to adjust the position of the bearing plate 6 to a height suitable for monitoring, the motor 11 is started, the rotating plate 10 rotates along with the output end of the motor 11 and drives the sliding shaft 9 to move circumferentially, the sliding shaft 9 applies pressure to the inner wall of the sliding chute, so that the lifting plate 7 descends under the pushing of the sliding shaft 9, the lifting plate 7 descends under the action of the connecting plate 14 and the guide shaft 15 through the positioning plate 12, meanwhile, the guide rail 16 limits the movement track of the guide shaft 15, so that the positioning plate 12 deviates in the descending process until the lifting plate 7 moves to the lowest point, the bottom of the positioning plate 12 supports against the ground at the moment, the limiting columns 13 are inserted into the ground, the base 1 is kept stable, and the detection work is facilitated.

In conclusion, the forced centering device for foundation pit monitoring is provided with the positioning plate 12 and the limiting column 13, so that the positioning plate 12 moves along the vertical direction along with the lifting plate 7 under the action of the connecting plate 14 and the guide shaft 15, the positioning plate 12 passes through the positioning groove and abuts against the ground, meanwhile, the limiting column 13 is inserted into the ground, so that the device is kept stable during monitoring work, the device is prevented from shifting, the precision of the monitoring work is improved, the use experience of the device is improved, the practicability of the device is improved, when the motor 11 drives the rotating plate 10 to rotate by arranging the rotating plate 10 and the sliding shaft 9, the sliding shaft 9 makes circumferential movement around the output end of the motor 11, so that the sliding shaft 9 applies thrust to the inner wall of the chute, so that the lifting plate 7 goes up and down along with the sliding shaft 9, the position of the positioning plate 12 is adjusted, and because the sliding shaft 9 makes circumferential movement all the time, make the descending distance of locating plate 12 restricted, avoid locating plate 12 downstream excessive and influence base 1's equilibrium, through setting up adjusting cylinder 4 and adjusting screw 5, make the staff accessible rotate adjusting screw 5 so that adjusting screw 5 drives loading board 6 and rises, thereby be convenient for the staff adjusts the position of monitoring on the loading board 6 according to the environment at workplace, and set up mounting disc 3 in order to realize being connected between adjusting cylinder 4 and pier 2, make the staff can change adjusting cylinder 4 and loading board 6 according to the demand of monitoring, thereby extension device's application scope.

The electrical components presented in the document are all electrically connected with an external master controller and 220V mains, and the master controller can be a conventional known device controlled by a computer or the like.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a centering device is forced in foundation ditch monitoring, includes pier (2) and because base (1) of supporting pier (2), the top of pier (2) is provided with loading board (6) that are used for installing the monitoring subassembly, and the left and right sides of base (1) all rotates and is connected with two sets of walking wheels, its characterized in that: the device is characterized in that a mounting disc (3) is fixedly connected to the top of the pier (2), an adjusting cylinder (4) is fixedly connected to the top of the mounting disc (3), an adjusting screw (5) is in threaded connection with the inner wall of the adjusting cylinder (4), the inner wall of the bearing plate (6) with an adjusting hole is rotatably connected with the outer surface of the adjusting screw (5), a lifting plate (7) is arranged inside the base (1), the left side and the right side of the lifting plate (7) are both in sliding connection with the inner wall of the base (1), a motor (11) is arranged below the lifting plate (7), an output end key of the motor (11) is connected with a rotating plate (10), the top end of the rotating plate (10) is rotatably connected with a sliding shaft (9), a rectangular groove for the motor (11) and the rotating plate (10) to penetrate through is formed in the top of the lifting plate (7), a sliding groove (8) for the sliding shaft (9) to slide is formed in the inner wall of the front side of the rectangular groove, the below of motor (11) is provided with two sets of locating plates (12), the constant head tank that two sets of confession locating plate (12) passed is seted up to the bottom inner wall of base (1), the bottom fixedly connected with multiunit of locating plate (12) is used for inserting spacing post (13) on ground, the equal fixedly connected with in both sides a set of connecting plate (14) around locating plate (12), the rear side of connecting plate (14) is seted up and is equipped with the connecting hole, the relative base (1) inner wall gliding guiding axle (15) of inner wall fixedly connected with of connecting hole, two sets of confession guiding axle (15) gliding guide way have all been seted up to both sides around lifter plate (7), the equal fixedly connected with in both sides inner wall two sets of confession guiding axle (15) gliding guide rail (16) around base (1).

2. The foundation pit monitoring forced centering device of claim 1, wherein: the rear side of motor (11) fixedly connected with backup pad, the top of backup pad and the top inner wall fixed connection of base (1), the rear side of backup pad and the rear side inner wall sliding connection of rectangular channel.

3. A foundation pit monitoring forced centering device according to claim 1, characterized in that: the height of the guide rail (16) is equal to the distance from the bottom of the positioning plate (12) to the bottom of the travelling wheel, and the length of the positioning groove is greater than the sum of the length of the positioning plate (12) and the width of the two groups of connecting plates (14).

4. The foundation pit monitoring forced centering device of claim 1, wherein: the distance between the opposite sides of the two groups of positioning plates (12) is greater than the width of the connecting plate (14), and the horizontal length of the inner wall of the guide rail (16) is less than the length of the inner wall of the guide groove.

5. The foundation pit monitoring forced centering device of claim 1, wherein: the bottom end of the limiting column (13) is fixedly connected with a conical head, and the two groups of positioning plates (12) are symmetrical about the vertical central axis of the base (1).

6. A foundation pit monitoring forced centering device according to claim 1, characterized in that: the bottom of the mounting disc (3) is fixedly connected with the top of the abutment (2) through four groups of fastening bolts, and the diameter of the mounting disc (3) is smaller than the side length of the upper surface of the abutment (2).