CN217155272U

CN217155272U - Building deformation observation device

Info

Publication number: CN217155272U
Application number: CN202220000782.9U
Authority: CN
Inventors: 赵敏; 向本明; 洪瑞丽
Original assignee: China National Inspection And Testing Holding Group Yunnan Co ltd
Current assignee: China National Inspection And Testing Holding Group Yunnan Co ltd
Priority date: 2022-01-03
Filing date: 2022-01-03
Publication date: 2022-08-09
Anticipated expiration: 2032-01-03

Abstract

The utility model discloses a building deformation observation device, which belongs to the technical field of building engineering detection and comprises a base, a lifting mechanism, an observation instrument body and a height fine adjustment mechanism; the height of the observation instrument body can be quickly and roughly adjusted through the lifting mechanism, and the adjustment precision can be ensured through finely adjusting the height of the observation instrument body through the height fine adjustment mechanism; the utility model discloses compact structure, speed of regulation is very fast, and adjusts the precision higher, convenient to use.

Description

Building deformation observation device

Technical Field

The utility model relates to an observation device specifically is a building deformation observation device.

Background

The building construction refers to production activities in an engineering construction implementation stage, and in the building construction process, a theodolite or a total station and other observers are needed to carry out deformation observation on a building, so that the deformation is controlled within a standard range, the deformation exceeding is avoided, and the potential safety hazard of the building is reduced.

In order to improve the applicability of the existing building deformation observation device, the height of the observation instrument is generally adjusted by a thread lifting mechanism, however, when the structure is adopted, the distance adjusted by rotating the screw rod once is determined by the thread pitch, so that the following problems can be caused:

firstly, the screw pitch is small, and the adjustable precision is high; however, if the distance to be adjusted is large, the screw rod needs to be rotated for many times, which wastes time and labor;

secondly, the screw pitch is large, and a large distance can be quickly adjusted; however, the accuracy is small.

To sum up, at present, a building deformation observation device capable of quickly adjusting height and guaranteeing adjustment precision is urgently needed.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a building deformation observation device to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

a building deformation observation device comprises a base, a lifting mechanism, an observation instrument body and a height fine adjustment mechanism; elevating system installs on the base, height fine-tuning is including installing the regulating box at the elevating system top, along the rotatable two-way lead screw of installing of horizontal direction in the regulating box, two-way lead screw includes levogyration screw section and dextrorotation screw section, respectively has connect a nut on two screw sections soon, all articulates on every nut has a connecting rod, on the terminal articulated fly leaf of two connecting rods, parallel and the interval in the top of fly leaf is equipped with more than two bracing pieces, each bracing piece passes the guiding hole I that sets up at the regulating box top along vertical direction, is equipped with a backup pad outside the regulating box, backup pad fixed connection is at the top of each bracing piece, the top at the backup pad is installed to the visualizer body.

The lifting mechanism can be a threaded lifting mechanism, a telescopic rod or other lifting mechanisms.

The lifting mechanism is a gear and rack lifting mechanism and comprises a fixed frame, a fixed ring, an adjusting rod, a guide limiting assembly, a fixed box, a rotating shaft, a gear and a ratchet mechanism, wherein the fixed frame is arranged on the base, the fixed ring is arranged at the top of the fixed frame, the adjusting rod is connected in the fixed ring in a penetrating manner, a rack is arranged on the side surface of the adjusting rod, the guide limiting assembly is fixedly arranged on the adjusting rod, the guide limiting assembly can vertically lift along the fixed frame, the fixed box is arranged on the outer side of the fixed ring, the rotating shaft is rotatably arranged on the fixed box, the gear is fixedly arranged on the rotating shaft, the gear is in meshing transmission with the rack arranged on the side surface of the adjusting rod, the ratchet mechanism comprises a ratchet wheel, a pawl and an elastic pressing assembly, the ratchet wheel is fixedly arranged on the rotating shaft, the pawl is hinged on the fixed box, the elastic pressing assembly is arranged on the fixed box and used for elastically pressing the pawl on the ratchet wheel, and the ratchet wheel mechanism is used for stopping rotation of the rotating shaft when the adjusting rod descends; the guide limiting assembly comprises a limiting plate and more than two guide rods, the limiting plate is fixedly arranged at the lower end of the adjusting rod along the horizontal direction, and each guide rod is arranged on the fixed frame and can movably penetrate through a guide hole II formed in the limiting plate along the vertical direction; furthermore, a rocking handle is arranged on the rotating shaft.

The utility model is used in such a way that firstly, the building deformation observation device of the utility model is arranged at an observation point position through the base, and the observation instrument body above the height fine adjustment mechanism is quickly raised to a rough observation height through the lifting mechanism; when the lifting mechanism is a gear rack lifting mechanism, the adjusting rod is pulled upwards to quickly lift the observation instrument body above the height fine adjustment mechanism to a rough observation height, the gear can be prevented from rotating due to the matching of the ratchet wheel, the pawl and the elastic pressing assembly, so that the adjusting rod cannot move downwards; when the rocking handle is arranged on the rotating shaft, the gear is rotated by rotating the rocking handle to drive the gear to rotate, the gear and the rack are meshed for transmission to realize the lifting of the adjusting rod, the rocking handle is loosened after the adjusting rod is lifted to a required height, and the rotating shaft and the gear on the rotating shaft can be prevented from rotating due to the matching of the ratchet wheel, the pawl and the elastic pressing assembly, so that the adjusting rod cannot move downwards; after the observation instrument body quickly reaches the approximate observation height, the two-way screw rod of the height fine adjustment device is rotated, the two nuts screwed with the two-way screw rod move oppositely or reversely, and when the two nuts move oppositely, the movable plate is pushed to slightly rise through the hinged connecting rod of the two nuts, so that the accurate rise of the observation instrument body to the accurate observation height is realized; when two nuts move backwards, the movable plate is pushed to descend precisely through the hinged connecting rod, and then the precise descending of the observation instrument body is achieved to the accurate observation height.

Compared with the prior art, the beneficial effects of the utility model are that:

by adopting the structure, the utility model can directly pull the adjusting rod upwards through the lifting mechanism when adjusting the height of the observation instrument body, thereby quickly and roughly adjusting the height of the observation instrument body; finally, the height of the observation instrument body is finely adjusted through the height fine adjustment mechanism, and the adjustment precision can be guaranteed; the utility model discloses compact structure, reasonable in design can roughly adjust the height of visulizer body fast, finely tunes the height of visulizer body again, and governing speed is very fast, and adjusts the precision higher, convenient to use.

Drawings

Fig. 1 is the utility model relates to a structural schematic diagram of building deformation observation device.

Fig. 2 is a partially enlarged view of a portion a in fig. 1.

Fig. 3 is a view from the direction B in fig. 1.

Fig. 4 is a cross-sectional view taken along line C-C of fig. 3.

Fig. 5 is a structural diagram of the height fine adjustment mechanism in the figure.

In the figure: 1. a base; 2. an observer body; 3. a fixed mount; 4. a fixing ring; 5. adjusting a rod; 6. a guide limit component; 601. a limiting plate; 602. a guide bar; 7. a height fine-tuning mechanism; 701. an adjusting box; 702. a bidirectional screw rod; 703. right-hand turning of the nut; 704. a connecting rod; 705. a movable plate; 706. a support bar; 707. a support plate; 708. a left-handed nut; 8. a fixing box; 9. a rotating shaft; 10. a gear; 11. a through groove; 12. a rack; 13. a ratchet wheel; 14. a pawl; 15. an elastic compression assembly; 16. a rocking handle.

Detailed Description

The technical solution of the present patent will be described in further detail with reference to the following embodiments.

Referring to fig. 1 to 5, a building deformation observation device includes a base 1, a rack-and-pinion lifting mechanism, an observation instrument body 2, and a height fine adjustment mechanism; the rack-and-pinion lifting mechanism is installed on the base, the height fine adjustment mechanism 7 is installed at the top of the rack-and-pinion lifting mechanism, and the observation instrument body 2 is installed at the top of the height fine adjustment mechanism.

The lifting mechanism comprises a fixed frame 3, a fixed ring 4, an adjusting rod 5, a guiding and limiting component 6, a fixed box 8, a rotating shaft 9, a gear 10 and a ratchet mechanism, wherein the fixed frame 3 is arranged on a base 1, the fixed ring 4 is arranged at the top of the fixed frame 3, the adjusting rod 5 is movably arranged in the fixed ring 4 in a penetrating way along the vertical direction, the guiding and limiting component 6 can guide and limit the adjusting rod 5 to enable the adjusting rod 5 to move only along the vertical direction for adjustment, the guiding and limiting component 6 comprises a guide rod 602 of a limiting plate 601, the limiting plate 601 is fixedly arranged at the lower end of the adjusting rod 5 along the horizontal direction, the two guide rods 602 are arranged on the fixed frame 3 and movably penetrate through a guide hole II arranged on the limiting plate 601 along the vertical direction, the fixed box 8 is arranged at the outer side of the fixed ring 4, and the rotating shaft 9 is rotatably connected in the fixed box 8 through a bearing, a gear 10, a ratchet 13 and a rocking handle 16 are arranged on the rotating shaft 9, wherein the gear 10 is positioned in the fixed box 8, the ratchet 13 and the rocking handle 16 are positioned outside the fixed box 8, a through groove 11 matched with the gear 10 is arranged on the fixed ring 4, and a rack 12 meshed with the gear 10 is arranged on the adjusting rod 5 along the vertical direction; a pawl 14 matched with the ratchet wheel 13 is hinged on the fixed box 8, an elastic pressing component 15 matched with the pawl 14 is arranged on the fixed box 8, and the rotation of the rotating shaft 9 and the gear 10 on the rotating shaft can be prevented by the matching of the ratchet wheel 13, the pawl 14 and the elastic pressing component 15, so that the adjusting rod 5 cannot move downwards; when the adjusting rod 5 needs to be retracted downwards, the pawl 14 can be disengaged from the ratchet wheel 13 by pressing the pawl 14.

The height fine adjustment mechanism 7 comprises an adjustment box 701 arranged at the upper end of an adjustment rod 5, a bidirectional screw rod 702 is rotatably connected in the adjustment box 701 along the horizontal direction through a bearing, the bidirectional screw rod 702 comprises a left-handed thread section and a right-handed thread section, a left-handed nut 708 is screwed on the left-handed thread section, a right-handed nut 703 is screwed on the right-handed thread section, a connecting rod 704 is respectively hinged on the left-handed nut and the right-handed nut, a movable plate 705 hinged with the free end of each connecting rod 704 is arranged in the adjustment box 701, three support rods 706 are arranged on the top of the movable plate 705 in parallel at intervals, each support rod 706 penetrates through a guide hole I arranged at the top of the adjustment box 701 along the vertical direction, a support plate 707 is arranged outside the adjustment box 701, the support plate 707 is fixedly connected to the top of each support rod, and the observation instrument body 2 is arranged at the top of the support plate 707.

Although the preferred embodiments of the present patent have been described in detail, the present patent is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present patent within the knowledge of those skilled in the art.

Claims

1. The utility model provides a building deformation observation device, includes base, elevating system, visulizer body, its characterized in that: the device also comprises a height fine adjustment mechanism; elevating system installs on the base, height fine-tuning is including installing the regulating box at the elevating system top, along the rotatable two-way lead screw of installing of horizontal direction in the regulating box, two-way lead screw includes levogyration screw section and dextrorotation screw section, respectively has connect a nut on two screw sections soon, all articulates on every nut has a connecting rod, on the terminal articulated fly leaf of two connecting rods, parallel and the interval in the top of fly leaf is equipped with more than two bracing pieces, each bracing piece passes the guiding hole I that sets up at the regulating box top along vertical direction, is equipped with a backup pad outside the regulating box, backup pad fixed connection is at the top of each bracing piece, the top at the backup pad is installed to the visualizer body.

2. The building deformation observation apparatus according to claim 1, wherein: the lifting mechanism is a gear and rack lifting mechanism and comprises a fixed frame, a fixed ring, an adjusting rod, a guiding limiting assembly, a fixed box, a rotating shaft, a gear and a ratchet mechanism, wherein the fixed frame is arranged on the base, the fixed ring is arranged at the top of the fixed frame, the adjusting rod is connected in the fixed ring in a penetrating manner, the side surface of the adjusting rod is provided with the rack, the guiding limiting assembly is fixedly arranged on the adjusting rod, the guiding limiting assembly can vertically lift along the fixed frame, the fixed box is arranged on the outer side of the fixed ring, the rotating shaft is rotatably arranged on the fixed box, the gear is fixedly arranged on the rotating shaft, the gear is in meshing transmission with the rack arranged on the side surface of the adjusting rod, the ratchet mechanism comprises a ratchet wheel, a pawl and an elastic pressing assembly, the ratchet wheel is fixedly arranged on the rotating shaft, the pawl is hinged on the fixed box, the elastic pressing assembly is arranged on the fixed box and is used for elastically pressing the pawl on the ratchet wheel, the ratchet mechanism is used for stopping the rotation of the rotating shaft when the adjusting rod descends; the guide limiting assembly comprises a limiting plate and two guide rods, the limiting plate is fixedly mounted at the lower end of the adjusting rod along the horizontal direction, and each guide rod is mounted on the fixing frame and movably penetrates through a guide hole II formed in the limiting plate along the vertical direction.

3. The building deformation observation apparatus according to claim 2, wherein: the rotating shaft is provided with a rocking handle.