CN212896506U

CN212896506U - Inclination measuring device for foundation pit support of building engineering construction

Info

Publication number: CN212896506U
Application number: CN202020169937.2U
Authority: CN
Inventors: 利柏焰; 张卫华
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-02-14
Filing date: 2020-02-14
Publication date: 2021-04-06
Anticipated expiration: 2030-02-14

Abstract

The utility model discloses an inclination measuring device for foundation pit support in building engineering construction, which comprises a bottom plate, a bracket and a detecting device, wherein a cross rod is vertically arranged on the bracket; the detection device is arranged on the cross rod; the rotary disc is rotatably installed on the cross rod through a rotary boss, the plumb bob is connected to the rotary disc through a pull rope, a angle value is carved on the rotary disc, a center hole is formed in the rotation center of the rotary disc, a rotary shaft is arranged in the center hole, a pointer and a measuring rod are arranged at the tail end of the rotary shaft, the pointer and the measuring rod are perpendicularly arranged, and a connecting rod is perpendicularly installed at the tail end of the measuring rod. The device has a simple structure, and the pointer and the connecting rod are arranged in parallel to transmit the angle of the foundation pit to the rotating disc; under the action of gravity of the plumb, the rotating disc can be accurately positioned at a certain angle and is not influenced by the placing position of the support, so that the actual using effect of the device is further improved.

Description

Inclination measuring device for foundation pit support of building engineering construction

Technical Field

The utility model relates to a building field is an inclination measuring device for excavation supporting of building engineering construction.

Background

The foundation pit is a soil pit excavated at the design position of the foundation according to the elevation of the foundation and the plane size of the foundation. Before excavation, an excavation scheme is determined according to geological and hydrological data and the conditions of buildings nearby the site, and waterproof drainage work is performed. The person who is not excavated can use the method of putting the side slope to stabilize the earth slope, and the size of the slope is determined according to the relevant construction regulations. When a deeper foundation pit and a building adjacent to the deeper foundation pit are excavated, a foundation pit wall supporting method, a concrete-sprayed wall protecting method and a large foundation pit are used, and even an outer soil layer is prevented from collapsing by adopting methods such as interlocking of an underground continuous wall and column-type cast-in-situ bored piles and the like; for those who do not affect nearby buildings, the underground water level can be reduced by a well point method, and slope-releasing open cut is adopted; in cold regions, natural cold freezing method can be adopted for excavation and the like.

Currently, theodolite is generally used in the measurement of the existing foundation pit; the theodolite belongs to a precise instrument, so that the theodolite is inconvenient to carry; carrying the theodolite between the building sites for a long time inevitably can influence the measuring precision of theodolite, and then demand a simple and easily portable hole base angle measuring device.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an inclination measuring device is used in excavation supporting of building engineering construction to solve the problem that proposes in the above-mentioned background art.

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

an inclination measuring device for foundation pit support in building engineering construction comprises a bottom plate, a support and a detection device; the bracket is fixedly arranged on the bottom plate, and cross rods are vertically distributed on the bracket; the detection device is arranged on the cross rod; a rotating disc is rotatably arranged on the cross rod through a rotating boss, a plumb bob is connected to the rotating disc through a pull rope, and an angle value is carved on the rotating disc; a center hole is formed in the rotating center of the rotating disc, a rotating shaft is distributed in the center hole, and the rotating shaft is rotatably arranged on the cross rod; the tail end of the rotating shaft is provided with a pointer and a measuring rod, the pointer and the measuring rod are vertically arranged, the tail end of the measuring rod is vertically provided with a connecting rod, and a height adjusting device is arranged between the cross rod and the support.

As a further aspect of the present invention: the height adjusting device comprises a screw rod, a rotating handle and a sliding rod; the screw rod is rotatably arranged on the bracket; the rotating handle is fixedly arranged at the tail end of the screw rod; the slide bars are arranged on the side edges of the screw rods in parallel and are fixedly arranged on the support, and the cross bars are arranged on the slide bars and the screw rods in a penetrating mode and are matched with the screw rods.

As a further aspect of the present invention: the bottom plate is fixedly provided with two ground pins.

As a further aspect of the present invention: bearings are arranged between the rotating shaft and the cross rod, and the number of the bearings is two.

As a further aspect of the present invention: the measuring rod is sleeved with a sleeve in a sliding mode, and the sleeve is perpendicular to the pointer and fixedly connected with the pointer.

Compared with the prior art, the beneficial effects of the utility model are that: the device has simple structure and strong practicability; the pointers and the connecting rods are arranged in parallel, so that the angles of the foundation pit are transmitted to the rotating disc; under the action of gravity of the plumb, the rotating disc can be accurately positioned at a certain angle and is not influenced by the placing position of the support, so that the actual using effect of the device is further improved.

Drawings

Fig. 1 is a schematic structural view of an inclination measuring device for foundation pit support in construction engineering construction.

Fig. 2 is a schematic structural view of a cross section of a cross bar in the inclination measuring device for foundation pit support in construction engineering construction.

Fig. 3 is a schematic structural view of a measuring rod in the inclination measuring device for foundation pit support in construction engineering construction.

In the figure: 1-bottom plate, 2-ground pin, 3-support, 4-lead screw, 5-slide bar, 6-plumb bob, 7-cross bar, 8-rotating handle, 10-rotating disc, 11-measuring rod, 12-sleeve, 13-central hole, 14-rotating shaft, 15-bearing, 16-rotating boss and 17-pointer.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Example one

Referring to fig. 1-3, an inclination measuring device for supporting a foundation pit in construction engineering construction includes a base plate 1, a bracket 3, and a detecting device; the support 3 is fixedly arranged on the bottom plate 1, and a cross rod 7 is vertically distributed on the support 3; the detection device is arranged on the cross rod 7; the cross rod 7 is rotatably provided with a rotating disc 10 through a rotating boss 16, the rotating disc 10 is connected with a plumb bob 6 through a pull rope, and further, under the action of the gravity of the plumb bob 6, the rotating disc 10 can be accurately positioned at a certain angle and is not influenced by the placing position 3 of the support; an angle value is carved on the rotating disc 10; a central hole 13 is formed in the rotating center of the rotating disc 10, a rotating shaft 14 is distributed in the central hole 13, and the rotating shaft 14 is rotatably installed on the cross rod 7; a pointer 17 and a measuring rod 11 are arranged at the tail end of the rotating shaft 14, the pointer 17 and the measuring rod 11 are vertically arranged, a connecting rod is vertically arranged at the tail end of the measuring rod 11, and the connecting rod is attached to a measuring surface of the pit foundation; the pointer 17 points to the numerical value of the angle on the rotating disc 10, and the angle data of the pit base is further accurately measured; height adjusting devices are arranged between the cross rods 7 and the supports 3, and the actual using effect of the device is further improved through the height adjusting devices.

Furthermore, the height adjusting device comprises a screw rod 4, a rotating handle 8 and a sliding rod 5; the screw rod 4 is rotatably arranged on the bracket 3; the rotating handle 8 is fixedly arranged at the tail end of the screw rod 4; the rotation of the screw rod 4 is driven by rotating the rotating handle 8; the sliding rods 5 are arranged on the side edges of the screw rods 4 in parallel and are fixedly mounted on the support 3, the cross rods penetrate through the sliding rods 5 and the screw rods 4 and are matched with the screw rods 4, and then when the screw rods 4 rotate, the cross rods 7 are further driven to slide up and down along the sliding rods 5, so that the height of the cross rods 7 is further controlled; the sliding rod 5 can improve the stability of the cross rod 7 during movement.

Further, the bottom of the bottom plate 1 is fixedly provided with the ground pins 2, the number of the ground pins 2 is not limited, in the embodiment, the number of the ground pins 2 is two, and the stability of the device in use is improved by inserting the ground pins 2 into the ground.

Furthermore, a bearing 15 is arranged and connected between the rotating shaft 14 and the cross bar 7, and the actual rotating effect of the rotating shaft 14 in the device is further improved through the bearing 15; the specific number of the bearings 15 is not limited, and in this embodiment, it is preferable that the specific number of the bearings 15 is two.

The utility model discloses a theory of operation is: when the device is used, a connecting rod vertically arranged at the tail end of the measuring rod 11 is attached to the measuring surface of the pit base; the pointer 17 points to the numerical value of the angle on the rotating disc 10, and the angle data of the pit base is further accurately measured; the pointer 17 and the connecting rod are parallel to each other, so that the angle of the foundation pit is transmitted to the rotating disc 10; under the action of gravity of the plumb bob 6, the rotating disc 10 can be accurately positioned at a certain angle and is not influenced by the placing position of the support 3, and further the actual using effect of the device is improved.

Example two

In order to make the device have better applicability when in use, the embodiment is improved on the basis of the first embodiment, and the improvement is that the sleeve 12 is slidably sleeved on the measuring rod 11, the sleeve 12 is vertically and fixedly connected with the pointer 17, and further the measuring range of the measuring rod 11 is further enlarged through relative sliding between the measuring rod 11 and the sleeve 12, so that the applicability of the device is further improved.

The working principle of the embodiment is as follows: the relative sliding between the measuring rod 11 and the sleeve 12 further enlarges the measuring range of the measuring rod 11, thereby further improving the applicability of the device.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. An inclination measuring device for foundation pit support in building engineering construction comprises a bottom plate (1), a bracket (3) and a detection device; the device is characterized in that the bracket (3) is fixedly arranged on the bottom plate (1), and cross rods (7) are vertically distributed on the bracket (3); the detection device is arranged on the cross rod (7); a rotating disc (10) is rotatably arranged on the cross rod (7) through a rotating boss (16), a plumb bob (6) is connected to the rotating disc (10) through a pull rope, and a angle value is carved on the rotating disc (10); a center hole (13) is formed in the rotating center of the rotating disc (10), a rotating shaft (14) is arranged on the center hole (13), and the rotating shaft (14) is rotatably arranged on the cross rod (7); the tail end of the rotating shaft (14) is provided with a pointer (17) and a measuring rod (11), the pointer (17) and the measuring rod (11) are vertically arranged, the tail end of the measuring rod (11) is vertically provided with a connecting rod, and a height adjusting device is arranged between the cross rod (7) and the support (3).

2. The inclination measuring device for supporting foundation pit in constructional engineering as claimed in claim 1 wherein said height adjusting means comprises a screw (4), a turning handle (8) and a slide bar (5); the screw rod (4) is rotatably arranged on the bracket (3); the rotating handle (8) is fixedly arranged at the tail end of the screw rod (4); the sliding rods (5) are arranged on the side edges of the screw rods (4) in parallel and are fixedly mounted on the support (3), and the cross rods (7) penetrate through the sliding rods (5) and the screw rods (4) and are arranged between the sliding rods and the screw rods (4).

3. The inclination measuring device for foundation pit support in building engineering construction according to claim 2, wherein the bottom plate (1) is fixedly provided with two ground pins (2), and the specific number of the ground pins (2) is two.

4. The inclination measuring device for foundation pit support in building engineering construction according to claim 3, wherein bearings (15) are arranged and connected between the rotating shaft (14) and the cross bar (7), and the specific number of the bearings (15) is two.

5. The inclination measuring device for foundation pit support in building engineering construction according to claim 1, wherein the measuring rod (11) is slidably sleeved with a sleeve (12), and the sleeve (12) and the pointer (17) are perpendicular to each other and fixedly connected.