阅读说明：本技术 一种工程造价现场测算装置 (Engineering cost field measuring and calculating device ) 是由 王建军 张美� 许国梁 刘小青 余坤 于 2020-11-05 设计创作，主要内容包括：本发明涉及现场测算技术领域,具体为一种工程造价现场测算装置,包括桌面本体,所述桌面本体包括第一桌面和第二桌面,所述第一桌面和第二桌面活动连接,所述桌面本体的底部固定连接有抽屉滑动卡架,所述桌面本体的底部固定连接有卡件,所述卡件的内部固定连接有中心轴,所述中心轴的外表面活动连接有桌腿,所述桌腿位于卡件的内部。该工程造价现场测算装置,通过设置有第一桌面和第二桌面,第一桌面和第二桌面活动连接,可以用于折叠,节省空间,便于携带,该装置折叠后,桌腿可以受自身重力自动收纳在第一桌面和第二桌面的两侧,无需逐条腿进行操作收纳,收纳后占用空间较小,便于携带,使用方便快捷,提高了该装置的实用性。(The invention relates to the technical field of field measurement and calculation, in particular to a project cost field measurement and calculation device which comprises a desktop body, wherein the desktop body comprises a first desktop and a second desktop, the first desktop and the second desktop are movably connected, a drawer sliding clamping frame is fixedly connected to the bottom of the desktop body, a clamping piece is fixedly connected to the bottom of the desktop body, a central shaft is fixedly connected to the inside of the clamping piece, table legs are movably connected to the outer surface of the central shaft, and the table legs are located inside the clamping piece. This on-spot measuring and calculating device of engineering cost through being provided with first desktop and second desktop, first desktop and second desktop swing joint can be used for folding, saves space, portable, and after the device was folding, the table leg can receive self gravity to accomodate automatically in the both sides of first desktop and second desktop, need not to operate by one leg and accomodate, and it is less to accomodate back occupation space, portable, and convenient to use is swift, has improved the device's practicality.)

1. The utility model provides an on-spot measuring and calculating device of engineering cost, includes desktop body (1), its characterized in that: the desktop body (1) comprises a first desktop (101) and a second desktop (102), the first desktop (101) is movably connected with the second desktop (102), the bottom of the desktop body (1) is fixedly connected with a drawer sliding clamping frame (2), the bottom of the desktop body (1) is fixedly connected with a clamping piece (3), the inner part of the clamping piece (3) is fixedly connected with a central shaft (4), the outer surface of the central shaft (4) is movably connected with table legs (5), the table legs (5) are positioned inside the clamping piece (3), the bottom of the desktop body (1) is provided with a groove (6), the inside of the groove (6) is provided with a hand-held through hole (7), one side of the first desktop (101) is fixedly connected with a U-shaped fixing frame (8), a limiting mechanism (9) is arranged inside the U-shaped fixing frame (8), and an L-shaped fixing frame (10) is fixedly connected to the bottom of the second desktop (102).

2. The on-site engineering cost measuring and calculating device according to claim 1, wherein: a first limiting hole is formed in the U-shaped fixing frame (8), a second limiting hole is formed in the L-shaped fixing frame (10), and the first limiting hole and the second limiting hole are equal in size.

3. The on-site engineering cost measuring and calculating device according to claim 1, wherein: and a limiting mechanism (9) is arranged in the first limiting hole.

4. The on-site engineering cost measuring and calculating device according to claim 1, wherein: the limiting mechanism (9) comprises a limiting column (901), a pull ring (902), a fixed disc (903) and a telescopic spring (904).

5. The on-site engineering cost estimation device according to claim 4, wherein: one end of the limiting column (901) is fixedly connected with a pull ring (902), the outer surface of the limiting column (901) is fixedly connected with a fixed disc (903), an extension spring (904) is sleeved on the outer surface of the limiting column (901), one side of the extension spring (904) is in lap joint with the U-shaped fixed frame (8), and the other side of the extension spring (904) is in lap joint with the fixed disc (903).

6. The on-site engineering cost measuring and calculating device according to claim 1, wherein: the clamping piece (3) is fan-shaped, and the central angle of the fan-shaped is one hundred degrees.

7. The on-site engineering cost measuring and calculating device according to claim 1, wherein: the number of the table legs (5) is four.

8. The on-site engineering cost measuring and calculating device according to claim 1, wherein: the drawer (11) is arranged in the drawer sliding clamping frame (2).

9. The on-site engineering cost measuring and calculating device according to claim 1, wherein: one side of the L-shaped fixing frame (10) is provided with a sliding groove.

Technical Field

The invention relates to the technical field of field measurement and calculation, in particular to a device for measuring and calculating construction cost on the field.

Background

Houses and their subsidiary works constructed to meet the needs of production and life are called construction works. Before the building of the proposed house and the subsidiary engineering thereof, the consumption of the physical and chemical labor and the living labor required by the people is calculated in advance to measure the strength of the people to build the house. Therefore, according to the design drawing of the proposed construction project, the budget quota of the construction project, the cost quota (i.e. indirect cost quota) and the budget price of the construction materials, and the related regulations for matching use, the technical and economic files of all the costs required by each new construction, extension, reconstruction and reconstruction project are calculated and determined in advance, which is called the construction project budget.

The construction project cost budget measuring device disclosed in chinese patent CN210043363U is convenient for storing measuring tools, but has the following disadvantages in the concrete use process:

in the use, the device is bulky, uses not portable, and be not convenient for accomodate, occupation space is great.

Disclosure of Invention

Technical problem to be solved

Aiming at the defects of the prior art, the invention provides the engineering cost field measuring and calculating device which can be used for folding by arranging the first desktop and the second desktop, saves space, is convenient to carry and use, greatly improves the practicability of the device, and solves the problems in the background technology.

(II) technical scheme

In order to achieve the purpose, the invention is realized by the following technical scheme: the utility model provides an on-spot measuring and calculating device of engineering cost, includes the desktop body, the desktop body includes first desktop and second desktop, first desktop and second desktop swing joint, the bottom fixedly connected with drawer of desktop body slides the card frame, the bottom fixedly connected with fastener of desktop body, the inside fixedly connected with center pin of fastener, the surface swing joint of center pin has the table leg, the table leg is located the inside of fastener, the bottom of desktop body is seted up flutedly, portable through-hole has been seted up to the inside of recess, one side fixedly connected with U type mount of first desktop, the inside of U type mount is provided with stop gear, the bottom fixedly connected with L type mount of second desktop.

Optionally, a first limiting hole is formed in the U-shaped fixing frame, a second limiting hole is formed in the L-shaped fixing frame, and the first limiting hole and the second limiting hole are equal in size.

Optionally, a limiting mechanism is arranged inside the first limiting hole.

Optionally, the limiting mechanism comprises a limiting column, a pull ring, a fixed disc and a telescopic spring.

Optionally, one end fixedly connected with pull ring of spacing post, the outer fixed surface of spacing post is connected with the fixed disk, the surface of spacing post has cup jointed expanding spring, one side and the U type mount overlap joint of expanding spring, expanding spring's opposite side and fixed disk overlap joint.

Optionally, the clamping piece is fan-shaped, and the central angle of the fan-shaped is one hundred degrees.

Optionally, the number of the table legs is four.

Optionally, a drawer is arranged inside the drawer sliding clamping frame.

Optionally, a sliding groove is formed in one side of the L-shaped fixing frame.

(III) advantageous effects

The invention provides a project cost field measuring and calculating device, which has the following beneficial effects:

the engineering cost on-site measuring and calculating device is provided with the first desktop and the second desktop which are movably connected in the using process, can be folded, saves space and is convenient to carry, wherein, the first desktop and the second desktop can be fixed by a limit mechanism and can be used as desktops for marking and recording data after being fixed, drawers are arranged at the bottoms of the first desktop and the second desktop, which is convenient for storing measuring tools with smaller volume, by arranging the clamping piece which is fan-shaped, the central angle of the fan-shaped is one hundred degrees, so that the desk legs and the ground form an obtuse angle, the support is facilitated, after the device is folded, the table legs can be automatically stored in the two sides of the first table top and the second table top under the action of self gravity, the operation and storage of the legs one by one are not needed, the occupied space after the storage is small, the carrying is convenient, the use is convenient and fast, and the practicability of the device is greatly improved.

Drawings

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

FIG. 2 is a front view of the present invention;

FIG. 3 is a schematic view of the drawer of the present invention;

fig. 4 is a schematic structural view of the limiting mechanism of the present invention.

In the figure: the novel table comprises a table top body 1, a first table top 101, a second table top 102, a drawer sliding clamping frame 2, a clamping piece 3, a central shaft 4, table legs 5, grooves 6, a hand-held through hole 7, a U-shaped fixing frame 8, a limiting mechanism 9, an L-shaped fixing frame 10 and a drawer 11.

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.

Referring to fig. 1 to 4, the present invention provides a technical solution: comprises a desktop body 1, the desktop body 1 comprises a first desktop 101 and a second desktop 102, the first desktop 101 and the second desktop 102 are movably connected and can be hinged, the bottom of the desktop body 1 is fixedly connected with a drawer sliding clamping frame 2, the bottom of the desktop body 1 is fixedly connected with a clamping piece 3, the special structure of the clamping piece 3 mainly enables the desk legs 5 to be supported on the ground under the action of no redundant limiting piece, the inner part of the clamping piece 3 is fixedly connected with a central shaft 4, the outer surface of the central shaft 4 is movably connected with the desk legs 5, the desk legs 5 are positioned in the clamping piece 3, the bottom of the desktop body 1 is provided with a groove 6, the groove 6 is used for reducing the thickness of part of the desktop of a portable through hole 7 and is convenient to carry, the portable through hole 7 is arranged in the groove 6, one side of the first desktop 101 is fixedly connected with a U-shaped fixing frame 8, a limiting mechanism, the bottom of the second desktop 102 is fixedly connected with an L-shaped fixing frame 10, a first limiting hole is formed in the U-shaped fixing frame 8, a second limiting hole is formed in the L-shaped fixing frame 10, the first limiting hole and the second limiting hole are equal in size, a limiting column 901 in the limiting mechanism 9 penetrates through the first limiting hole and the second limiting hole to limit the first desktop 101 and the second desktop 102, a limiting mechanism 9 is arranged in the first limiting hole, the limiting mechanism 9 comprises a limiting column 901, a pull ring 902, a fixed disc 903 and a telescopic spring 904, one end of the limiting column 901 is fixedly connected with the pull ring 902, the outer surface of the limiting column 901 is fixedly connected with a fixed disc 903, the fixed disc 903 can extrude the telescopic spring 904 when the fixed disc 903 pulls the limiting column 901, the outer surface of the limiting column 901 is sleeved with the telescopic spring 904, one side of the telescopic spring 904 is in lap joint with the U-shaped fixing frame 8, the other side of the telescopic, fastener 3 is fan-shaped, and sectorial central angle is a hundred degrees, and the quantity of table leg 5 is four, and the inside of drawer slip card frame 2 is provided with drawer 11, and the spout has been seted up to one side of L type mount 10, and the setting of spout is convenient for spacing post 901 to slide into the spacing downthehole of second, plays the effect of direction to spacing post 901.

In the use, the device divide into two parts, wherein first desktop 101 and second desktop 102 carry on spacingly through stop gear 9, table leg 5 plays the effect of support, at the in-process that supports, the angle of fastener 3 is 100 degrees, can make table leg 5 support that leans out slightly, after the use finishes, the staff can pull stop gear 9 through pull ring 902, make spacing post 901 deviate from the spacing hole of second that the inside of L type mount 10 was seted up, then fold together first desktop 101 and second desktop 102, mention the device through portable through-hole 7, table leg 5 receives the both sides at desktop body 1 of accomodating vertically downwards of the effect of self gravity this moment. The device overall structure is simple, and the volume is less to be convenient for accomodate the removal fast, portable, and convenient to use is swift.

To sum up, when the engineering cost on-site measuring and calculating device is used, the first desktop 101 and the second desktop 102 are movably connected, and the first desktop 101 and the second desktop 102 can be folded, so that the device is space-saving and convenient to carry, wherein the first desktop 101 and the second desktop 102 can be fixed through the limiting mechanism 9 and can be used as desktops for marking and recording data after being fixed, the drawers 11 are arranged at the bottoms of the first desktop 101 and the second desktop 102, so that a measuring tool with smaller volume can be conveniently stored, the clamping piece 3 is arranged, the clamping piece 3 is fan-shaped, the central angle of the fan-shaped circle is one hundred degrees, so that the desk legs 5 form an obtuse angle with the ground, the device is convenient to support, after the device is folded, the desk legs 5 can be automatically stored at the two sides of the first desktop 101 and the second desktop 102 under the self gravity, the operation and storage are not needed one leg by one leg, and the, the portable, convenient to use is swift, has improved the device's practicality greatly.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.