Auxiliary measuring scale for construction engineering cost

Abstract

The utility model discloses an auxiliary measuring scale for construction engineering cost, which comprises a main shaft, a protractor rotationally connected to the upper end of the outer cambered surface of the main shaft, a measuring scale rotationally connected to the outer cambered surface of the main shaft, an expansion groove arranged inside the measuring scale, an auxiliary measuring scale rotationally connected to the middle of the outer cambered surface of the main shaft, and an expansion mechanism, the expanding mechanism comprises an expanding measuring ruler, a moving groove, a rack plate, a rotating shaft and a gear, the expanding measuring ruler is slidably connected to the bottom wall of the expanding groove, the moving groove is formed in the middle of the expanding measuring ruler, the rack plate is arranged on the bottom wall of the moving groove, the rotating shaft is rotationally connected between the front inner wall and the rear inner wall of the expanding groove, and the gear is arranged on the outer arc surface of the rotating shaft; according to the auxiliary measuring scale for the construction engineering cost, the length of the measuring scale can be increased according to use scenes, the applicability is high, and the convenience of using the measuring scale is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to building engineering technical field, concretely is a kind of supplementary measuring scale for building engineering cost. BACKGROUND

[0002] Building engineering cost is generally the cost of a certain item of construction, i.e. the total cost from preparation to completion acceptance and use: it is composed of building installation engineering cost, equipment and tool purchase cost, engineering construction other cost and reserve cost and tax, and in the process of engineering cost calculation, measuring scale is one of the essential auxiliary equipment;

[0003] In the process of worker engineering cost, the measurement of building is particularly important, at this time, workers need measuring scale to assist in completing measurement work, and part of traditional measuring scale is only single ruler, and water level tube is arranged on the upper side for measuring levelness, if the length of measuring scale needs to be increased in special use scene, worker needs to take another measuring scale;

[0004] There are some problems, the length of measuring scale cannot be increased according to use scene, the limitation is great, the convenience of worker when using measuring scale is reduced, for this, we propose a supplementary measuring scale for building engineering cost. INNOVATION CONTENT

[0005] The utility model solves the technical problem of overcoming the defects of the prior art, and provides a supplementary measuring scale for building engineering cost, which can increase the length of the measuring scale according to the use scene, has high applicability, increases the convenience of using the measuring scale, and can effectively solve the problems in the background art.

[0006] To achieve the above object, the utility model provides the following technical scheme: a supplementary measuring scale for building engineering cost, which comprises a main shaft, an angle gauge is rotatably connected to the outer arc surface of the main shaft, a measuring scale is rotatably connected to the outer arc surface of the main shaft, an expansion slot is formed in the measuring scale, an auxiliary measuring scale is rotatably connected to the middle part of the outer arc surface of the main shaft, and an expansion mechanism is further included.

[0007] The expansion mechanism comprises an expansion measuring scale, a moving slot, a rack plate, a rotating shaft and a gear, the expansion measuring scale is slidably connected to the bottom wall of the expansion slot, the middle part of the expansion measuring scale is provided with a moving slot, the bottom wall of the moving slot is provided with a rack plate, the rotating shaft is rotatably connected between the front and rear inner walls of the expansion slot, the outer arc surface of the rotating shaft is provided with a gear, and the gear is meshingly connected with the rack plate.

[0008] Further, the expansion mechanism further comprises a limiting groove, the middle part of the expansion measuring scale is provided with the limiting groove, the leftmost end between the front and back inner walls of the expansion groove is provided with a limiting sheet, the limiting sheet is installed in cooperation with the expansion groove, and the expansion measuring scale is prevented from falling off.

[0009] Further, the front end of the rotating shaft penetrates the front side wall of the measuring scale, the end of the rotating shaft is provided with a rotating wheel, and rotation is facilitated.

[0010] Further, the inside of the auxiliary measuring scale is provided with a storage battery, the front side of the auxiliary measuring scale is provided with a single-chip microcomputer, the input end of the single-chip microcomputer is electrically connected with the output end of the storage battery, and stable energy supply is facilitated.

[0011] Further, the front side of the auxiliary measuring scale is provided with a water level groove, the water level groove is inlaid with a level tube, and whether the wall is horizontal can be measured.

[0012] Further, the left end of the auxiliary measuring scale is provided with a range finder, the range finder is bidirectionally electrically connected with the single-chip microcomputer, and distance measurement is facilitated.

[0013] Further, the front side of the measuring scale and the auxiliary measuring scale is provided with a handle, and hand holding is facilitated.

[0014] Compared with the prior art, the building engineering cost auxiliary measuring scale has the following advantages.

[0015] Through cooperation of the expansion measuring scale, the rack plate and the gear, the length of the measuring scale can be increased according to the use scene, the applicability is relatively strong, and the convenience when the measuring scale is used is increased. DRAWINGS

[0016] Figure 1 It is a structural schematic view of the utility model;

[0017] Figure 2 It is a structural schematic view of the rear side of the utility model;

[0018] Figure 3 It is a structural schematic view of the rear side of the utility model;

[0019] Figure 4 It is a structural schematic view of the utility model A enlarged structure;

[0020] Figure 5 It is a structural schematic view of the local part of the expansion measuring scale of the utility model;

[0021] Figure 6 It is a structural schematic view of the right side plane of the measuring scale of the utility model;

[0022] Figure 7 It is a structural schematic view of the rear side of the auxiliary measuring scale of the utility model.

[0023] In the figure: 1 main shaft, 2 expansion mechanism, 21 expansion measuring scale, 22 moving groove, 23 rack plate, 24 rotating shaft, 25 gear, 26 limiting groove, 3 measuring scale, 4 auxiliary measuring scale, 5 handle, 6 protractor, 7 level tube, 8 single-chip microcomputer, 9 range finder, 10 rotating wheel, 11 limiting sheet, 12 expansion groove, 13 storage battery. DETAILED DESCRIPTION

[0024] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all the other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the present application.

[0025] Please refer to Figures 1-7The embodiment provides a technical scheme: an auxiliary measuring scale for construction engineering cost, which comprises a main shaft 1, an angle gauge 6 is rotationally connected to the outer arc surface upper end of the main shaft 1, a measuring scale 3 is rotationally connected to the outer arc surface of the main shaft 1, an expansion slot 12 is formed in the measuring scale 3, an auxiliary measuring scale 4 is rotationally connected to the outer arc surface middle part of the main shaft 1 (a small swivel ring is arranged at the upper and lower ends of the left side surface of the measuring scale 3 respectively, the measuring scale 3 is rotated with the main shaft 1 through the two small swivel rings, a large swivel ring is arranged on the right side surface of the auxiliary measuring scale 4, the auxiliary measuring scale 4 is rotated with the main shaft 1 through the large swivel ring, the large swivel ring is located between the two small swivel rings, and an avoiding slot is formed in the left end rear side of the measuring scale 3, the length and height of the avoiding slot are greater than the length and height of the large swivel ring), a slot is formed in the rear end of the auxiliary measuring scale 4, so that the measuring scale 3 is clamped into the slot in the rear end of the auxiliary measuring scale 4 when the auxiliary measuring scale is folded, the depth of the slot is greater than one half of the distance between the front and rear side surfaces of the measuring scale 3, the height of the slot is greater than the height of the measuring scale 3, a storage battery 13 is arranged in the auxiliary measuring scale 4, a single-chip microcomputer 8 is arranged on the front side surface of the auxiliary measuring scale 4, the input end of the single-chip microcomputer 8 is electrically connected to the output end of the storage battery 13, a water level slot is formed in the front side surface of the auxiliary measuring scale 4, a level tube 7 is inlaid in the water level slot, a distance meter 9 is installed at the left end of the auxiliary measuring scale 4, the distance meter 9 is bidirectionally electrically connected to the single-chip microcomputer 8, handles 5 are arranged on the front side surfaces of the measuring scale 3 and the auxiliary measuring scale 4, first, workers hold the two handles 5, and then the workers contact the back surfaces of the measuring scale 3 and the auxiliary measuring scale 4 with the wall to be measured, then the workers observe the liquid surface in the level tube 7 on the auxiliary measuring scale 4 to determine whether the wall is horizontal, and thus the cost is calculated, then the workers control the single-chip microcomputer 8 to drive the distance meter 9 to work, the distance meter 9 emits a laser pulse to the target, the light pulse propagates in the air, is reflected after encountering the target, and is received by the receiver of the distance meter 9, and then is transmitted to the single-chip microcomputer 8, the single-chip microcomputer 8 calculates the distance between the target and the distance meter 9 according to the speed and time of the laser, and thus the distance measuring work of the target object is completed, when the workers need to measure the distance, the workers rotate the angle gauge 6 to measure the target, the workers determine the angle according to the value on the angle gauge 6, and thus the measurement is facilitated, when the auxiliary measuring scale is not needed, the workers rotate the part of the measuring scale 3 held by the workers and then rotate the auxiliary measuring scale 4, the auxiliary measuring scale 4 rotates around the main shaft 1, and the folding work of the auxiliary measuring scale is completed after rotating 180 degrees, at this time, the measuring scale 3 is clamped into the slot in the rear end of the auxiliary measuring scale 4, and the large swivel ring at the right end of the auxiliary measuring scale 4 enters the avoiding slot in the left end of the measuring scale 3, and thus the workers can carry the auxiliary measuring scale, and the expansion mechanism 2 is further included.

[0026] The expansion mechanism 2 comprises an expansion ruler 21, a moving groove 22, a rack plate 23, a rotating shaft 24 and a gear 25, the expansion ruler 21 is slidingly connected to the bottom wall of the expansion groove 12 (a sliding groove is formed at the lower end of the expansion ruler 21, a sliding rail is arranged in the middle of the bottom wall of the expansion groove 12, and the sliding groove is slidingly connected with the sliding rail), a moving groove 22 is formed in the middle of the expansion ruler 21, the bottom wall of the moving groove 22 is provided with the rack plate 23, the rotating shaft 24 is rotatably connected between the front and rear inner walls of the expansion groove 12, the outer arc surface of the rotating shaft 24 is provided with the gear 25, the gear 25 is meshingly connected with the rack plate 23, the expansion mechanism 2 further comprises a limiting groove 26, the limiting groove 26 is formed in the middle of the expansion ruler 21, the leftmost end between the front and rear inner walls of the expansion groove 12 is provided with a limiting piece 11, the limiting piece 11 is installed in cooperation with the expansion groove 12, the front end of the rotating shaft 24 penetrates through the front side wall of the ruler 3, a rotating wheel 10 is arranged at the end of the rotating shaft 24, when some use scenarios require a longer auxiliary ruler, workers rotate the rotating wheel 10 to make the rotating shaft 24 rotate, at this time, the rotating shaft 24 drives the gear 25 to rotate synchronously, and then the rack plate 23 drives the expansion ruler 21 to move rightwards under the meshing of the rack plate 23 and the gear 25, at this time, the sliding groove at the lower end of the expansion ruler 21 slides along the sliding rail of the bottom wall of the expansion groove 12, in the process of continuous sliding, when the rightmost wall of the limiting groove 26 contacts the limiting piece 11, the workers stop rotating the rotating wheel 10, at this time, the expansion of the length of the auxiliary ruler is completed, and it is convenient to expand the length of the auxiliary ruler according to different use scenarios.

[0027] The working principle of the auxiliary measuring scale for building engineering cost provided by the utility model is as follows: firstly, the worker holds the two handles 5, contacts the wall body measured on the back of the measuring scale 3 and the auxiliary measuring scale 4, then the worker judges whether the wall body is horizontal by observing the liquid surface in the level tube 7 on the auxiliary measuring scale 4, thus calculates and judges the cost, then the worker makes the range finder 9 work by controlling the single-chip microcomputer 8, the range finder 9 emits a laser pulse to the target, the light pulse propagates in the air, is reflected after meeting the target, the reflected laser pulse is received by the receiver of the range finder 9, then is transmitted to the single-chip microcomputer 8, the single-chip microcomputer 8 calculates the distance between the target and the range finder 9 according to the speed and time of the laser, thereby completes the distance measuring work of the target object, when the worker needs to measure the distance, the worker rotates the protractor 6 to measure the target, the worker judges the angle according to the value on the protractor 6, when some use scene needs longer auxiliary measuring scale, the worker rotates the rotating wheel 10 to make the rotating shaft 24 rotate, at the moment, the rotating shaft 24 drives the gear 25 to rotate synchronously, and then the rack plate 23 drives the expansion measuring scale 21 to move right under the meshing of the gear 25, at the moment, the sliding groove at the lower end of the expansion measuring scale 21 slides along the sliding rail of the expansion groove 12 bottom wall, in the process of continuous sliding, when the rightmost wall of the limiting groove 26 contacts the limiting sheet 11, the worker stops rotating the rotating wheel 10, at the moment, the expansion work of the length of the auxiliary measuring scale is completed, the scene needing longer auxiliary measuring scale is suitable, when the auxiliary measuring scale is not needed, the worker rotates the part of the hand-held measuring scale 3 and then rotates the auxiliary measuring scale 4, the auxiliary measuring scale 4 rotates with the main shaft 1 as the center, after rotating 180 degrees, the folding work of the auxiliary measuring scale is completed, at the moment, the measuring scale 3 is clamped into the slot inside the rear end of the auxiliary measuring scale 4, the large rotating ring at the right end of the auxiliary measuring scale 4 enters the avoiding slot inside the left end of the measuring scale 3, which is convenient for the worker to carry the auxiliary measuring scale.

[0028] It is worth noting that the range finder 9 disclosed in the above embodiment can be a laser range finder, the single-chip microcomputer 8 can be a model S7-200, and the single-chip microcomputer 8 controls the range finder 9 to work by using the method commonly used in the prior art.

[0029] The above only describes the embodiments of the utility model, and does not limit the patent range of the utility model, and any equivalent structure or equivalent process conversion by using the utility model specification and drawing contents, or direct or indirect application in other related technical fields, are also included in the patent protection range of the utility model.

Claims

1. An auxiliary measuring ruler for construction cost estimation, comprising a main shaft (1), a protractor (6) rotatably connected to the upper end of the outer arc surface of the main shaft (1), a measuring ruler (3) rotatably connected to the outer arc surface of the main shaft (1), an expansion groove (12) provided inside the measuring ruler (3), and an auxiliary measuring ruler (4) rotatably connected to the middle of the outer arc surface of the main shaft (1), characterized in that: It also includes the expansion mechanism (2); The expansion mechanism (2) includes an expansion ruler (21), a moving groove (22), a rack plate (23), a rotating shaft (24) and a gear (25). The expansion ruler (21) is slidingly connected to the bottom wall of the expansion groove (12). The middle part of the expansion ruler (21) is provided with the moving groove (22). The bottom wall of the moving groove (22) is provided with the rack plate (23). The rotating shaft (24) is rotatably connected between the front and rear inner walls of the expansion groove (12). The outer arc surface of the rotating shaft (24) is provided with the gear (25). The gear (25) is meshingly connected with the rack plate (23).

2. The supplementary measuring scale for construction engineering cost according to claim 1, characterized in that: The expansion mechanism (2) further includes a limiting groove (26). The middle part of the expansion ruler (21) is provided with the limiting groove (26). The leftmost end between the front and rear inner walls of the expansion groove (12) is provided with a limiting piece (11). The limiting piece (11) is installed in cooperation with the expansion groove (12).

3. The supplementary measuring scale for construction engineering cost according to claim 1, characterized in that: The front end of the rotating shaft (24) penetrates through the front side wall of the ruler (3). The end of the rotating shaft (24) is provided with a rotating wheel (10).

4. The supplementary measuring scale for construction engineering cost according to claim 1, characterized in that: The inside of the auxiliary ruler (4) is provided with a battery (13). The front side of the auxiliary ruler (4) is provided with a single-chip microcomputer (8). The input end of the single-chip microcomputer (8) is electrically connected with the output end of the battery (13).

5. The supplementary measuring scale for construction engineering cost according to claim 1, characterized in that: The front side of the auxiliary ruler (4) is provided with a water level groove. The inside of the water level groove is inlaid with a level tube (7).

6. The supplementary measuring scale for construction engineering cost according to claim 4, characterized in that: The left end of the auxiliary ruler (4) is provided with a range finder (9). The range finder (9) is bidirectionally electrically connected with the single-chip microcomputer (8).

7. The supplementary measuring scale for construction engineering cost according to claim 1, characterized in that: The front side of the ruler (3) and the auxiliary ruler (4) is provided with a handle (5).

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