Drawing comparison device for construction cost

Abstract

The utility model discloses a construction cost drawing comparison device which comprises a first fixing frame, the top of the first fixing frame is provided with a second fixing frame, and the top of the second fixing frame is provided with a third fixing frame. A first drawing is placed between the first fixing frame and the second fixing frame to be clamped and fixed, then a second drawing is placed in the third fixing frame and the fourth fixing frame to be fixed through the magnetic blocks, then the third fixing frame and the fourth fixing frame are clamped on the fixing rod, and then the operation plate can be pulled to fix the drawing. The operation plate drives a pull rope to move upwards, the pull rope drives a moving plate to move outwards, the moving plate drives a clamping rod to contract, a third fixing frame and a fourth fixing frame are moved to proper positions, the operation plate is loosened, the moving plate resets when a spring rebounds, the clamping rod can be clamped in a clamping groove, and a first drawing and a second drawing can be compared; the effect of facilitating comparison can be achieved, and an existing overlapping comparison mode is replaced.

Description

Technical Field

[0001] The utility model relates to the technical field of engineering cost, in particular to a drawing comparison device for engineering cost. Background Art

[0002] Construction cost is a field closely related to engineering construction. It mainly studies the basic knowledge and skills of engineering economics, construction project cost estimation, engineering project management, etc., and conducts construction project cost estimation, bidding, cost control, etc.

[0003] In the use of engineering cost, it is necessary to compare drawings that have been modified many times. The drawings are all drawn on sulfuric acid paper. Currently, the drawings are covered for comparison. When covering, the modification marks cannot be made, which easily leads to traces on the bottom of the drawings, making it inconvenient for comparison.

[0004] Therefore, it is necessary to redesign the drawing comparison device to effectively prevent the current situation where drawings are covered for comparison and cannot be modified and marked during covering, which easily causes traces to appear on the bottom drawings. Utility Model Content

[0005] In order to solve the problems raised in the above-mentioned background technology, the purpose of the present invention is to provide a drawing comparison device for engineering cost, which has the advantage of being easy to compare and solves the problem that the drawings are currently covered for comparison, and the marks cannot be modified when covered, which easily causes marks to appear on the bottom of the drawings.

[0006] To achieve the above-mentioned purpose, the present invention provides the following technical solution: a drawing comparison device for engineering cost, comprising a first fixing frame, a second fixing frame is provided on the top of the first fixing frame, a third fixing frame is provided on the top of the second fixing frame, a fourth fixing frame is provided on the top of the third fixing frame, the left side of the first fixing frame is movably connected to the left side of the second fixing frame, the left side of the third fixing frame is movably connected to the left side of the fourth fixing frame, the four corners of the top of the second fixing frame are fixedly connected to fixing rods, the four corners of the top of the fourth fixing frame are fixedly connected to fixing rings, and a locking assembly is provided inside the fixing ring.

[0007] As a preferred embodiment of the present invention, the locking assembly includes a movable plate, which is located on the inner side of the fixed ring, and the outer side of the movable plate is fixedly connected to a spring, and the outer side of the spring is fixedly connected to the inner wall of the fixed ring, and the outer side of the movable plate is fixedly connected to a clamping rod, and the surface of the fixed rod is provided with a clamping groove for use with the clamping rod.

[0008] As a preferred embodiment of the present invention, sliding grooves are provided on both sides of the top of the fixed ring, a pull rope is slidably connected to the inside of the sliding groove, the inner side of the pull rope is fixedly connected to the surface of the movable plate, and an operating panel is provided on the top of the fixed ring, and the bottom of the operating panel is fixedly connected to the top of the pull rope.

[0009] As a preferred embodiment of the present invention, the inner side of the fixed ring and the outer side of the movable plate are both fixedly connected with round rods, and the round rods are used in conjunction with springs.

[0010] As a preferred embodiment of the present invention, a handle is fixedly connected to the top of the operating panel, and the handle is used in conjunction with the operating panel.

[0011] As a preferred embodiment of the present invention, the right sides of the first fixing bracket, the second fixing bracket, the third fixing bracket and the fourth fixing bracket are all fixedly connected with magnetic blocks, and the number of the magnetic blocks is four.

[0012] As a preferred embodiment of the present invention, positioning rods are fixedly connected to both sides of the inner wall of the fixing ring, and the positioning rods are slidably connected to the movable plate.

[0013] Compared with the prior art, the beneficial effects of the present invention are as follows:

[0014] 1. The utility model places the drawing one between the first fixing frame and the second fixing frame and clamps them, then places the drawing two in the third fixing frame and the fourth fixing frame, fixes them by means of magnetic blocks, then clamps the third fixing frame and the fourth fixing frame on the fixing rod, then pulls the operating panel, the operating panel drives the pull rope to move upward, the pull rope drives the movable panel to move outward, so that the movable panel drives the clamping rod to retract, and the third fixing frame and the fourth fixing frame are moved to appropriate positions, and the operating panel is released, so that the movable panel is reset when the spring rebounds, and the clamping rod can be clamped in the clamping slot, so that the drawing one and the drawing two can be compared, and the effect of convenient comparison can be achieved, which replaces the existing method of using overlapping comparison, thereby achieving convenient comparison and convenient use for users.

[0015] 2. The utility model can lock and limit the fixing rod through the setting of the locking component, which is relatively safe and not prone to shaking. It is relatively safe and easy for users to use. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a three-dimensional schematic diagram of the utility model;

[0017] Figure 2 This is a three-dimensional explosion diagram of the utility model;

[0018] Figure 3 This is an exploded schematic diagram of the fixing ring of the utility model;

[0019] Figure 4 For this utility model Figure 2 Enlarged schematic diagram of point A in the middle.

[0020] In the figure: 1. First fixing frame; 2. Second fixing frame; 3. Third fixing frame; 4. Fourth fixing frame; 5. Fixing rod; 6. Fixing ring; 7. Locking assembly; 71. Moving plate; 72. Spring; 73. Clamping rod; 74. Clamping slot; 8. Slide slot; 9. Pull rope; 10. Operating panel; 11. Round rod; 12. Handle; 13. Magnetic block; 14. Positioning rod. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0022] like Figures 1 to 4 As shown, the utility model provides a drawing comparison device for engineering cost, including a first fixing frame 1, a second fixing frame 2 is provided on the top of the first fixing frame 1, a third fixing frame 3 is provided on the top of the second fixing frame 2, and a fourth fixing frame 4 is provided on the top of the third fixing frame 3. The left side of the first fixing frame 1 is movably connected to the left side of the second fixing frame 2, and the left side of the third fixing frame 3 is movably connected to the left side of the fourth fixing frame 4. The four corners of the top of the second fixing frame 2 are fixedly connected to fixing rods 5, and the four corners of the top of the fourth fixing frame 4 are fixedly connected to fixing rings 6, and a locking assembly 7 is provided inside the fixing ring 6.

[0023] refer to Figure 3 The locking assembly 7 includes a movable plate 71, which is located on the inner side of the fixed ring 6. The outer side of the movable plate 71 is fixedly connected to a spring 72. The outer side of the spring 72 is fixedly connected to the inner wall of the fixed ring 6. The outer side of the movable plate 71 is fixedly connected to a clamping rod 73. The surface of the fixed rod 5 is provided with a clamping groove 74 for use with the clamping rod 73.

[0024] As a technical optimization solution of the present invention, the fixing rod 5 can be locked and limited by the setting of the locking component 7, which is relatively safe and not prone to shaking. It is relatively safe and easy for users to use.

[0025] refer to Figure 3 A slide groove 8 is provided on both sides of the top of the fixed ring 6, and a pull rope 9 is slidably connected inside the slide groove 8. The inner side of the pull rope 9 is fixedly connected to the surface of the movable plate 71. An operating panel 10 is provided on the top of the fixed ring 6, and the bottom of the operating panel 10 is fixedly connected to the top of the pull rope 9.

[0026] As a technical optimization solution of the present invention, the setting of the pull rope 9 can facilitate the operation of the movable plate 71, effectively improve the stability of the movable plate 71, facilitate operation and movement, and facilitate use by users.

[0027] refer to Figure 3 The inner side of the fixed ring 6 and the outer side of the movable plate 71 are fixedly connected with a round rod 11, and the round rod 11 is used in conjunction with the spring 72.

[0028] As a technical optimization solution of the present invention, the spring 72 can be limited by the provision of the round rod 11, which effectively improves the stability of the spring 72, makes it less likely for the spring 72 to shake, is relatively safe, and is convenient for users to use.

[0029] refer to Figure 3 A handle 12 is fixedly connected to the top of the operating panel 10 , and the handle 12 is used in conjunction with the operating panel 10 .

[0030] As a technical optimization solution of the present invention, the top of the operating panel 10 can be operated and moved by setting the handle 12, which is relatively safe, easy to move, and relatively safe.

[0031] refer to Figure 4 The right sides of the first fixing frame 1, the second fixing frame 2, the third fixing frame 3 and the fourth fixing frame 4 are all fixedly connected with magnetic blocks 13, and the number of the magnetic blocks 13 is four.

[0032] As a technical optimization solution of the present invention, the magnetic block 13 can be provided to fasten the first fixing frame 1 and the second fixing frame 2 together, and can also fix the third fixing frame 3 and the fourth fixing frame 4 together, making it easier for users to use.

[0033] refer to Figure 3 , positioning rods 14 are fixedly connected to both sides of the inner wall of the fixing ring 6, and the positioning rods 14 are slidably connected to the movable plate 71.

[0034] As a technical optimization solution of the present invention, the positioning rod 14 is provided to limit the movable plate 71, effectively preventing the movable plate 71 from shaking, which is relatively safe and convenient for users to use.

[0035] The working principle and usage process of the present invention are as follows: when in use, when the user needs to compare the drawings, first place the drawing one between the first fixing frame 1 and the second fixing frame 2 and clamp it, then place the drawing two in the third fixing frame 3 and the fourth fixing frame 4, fix them through the magnetic block 13, and then clamp the third fixing frame 3 and the fourth fixing frame 4 on the fixing rod 5, and then pull the operating panel 10, the operating panel 10 drives the pull rope 9 to move upward, and the pull rope 9 drives the movable plate 71 to move outward, so that the movable plate drives the clamping rod 73 to retract, and the third fixing frame 3 and the fourth fixing frame 4 are moved to the appropriate position, and the operating panel 10 is released, so that the movable plate 71 is reset when the spring 72 rebounds, and the clamping rod 73 can be clamped in the clamping groove 74, so that the drawing one and the drawing two can be compared, thereby achieving the effect of facilitating comparison.

[0036] In summary: the engineering cost drawing comparison device, by setting the first fixing frame 1, the second fixing frame 2, the third fixing frame 3, the fourth fixing frame 4, the fixing rod 5, the fixing ring 6, the locking assembly 7, the movable plate 71, the spring 72, the clamping rod 73 and the clamping slot 74, solves the current problem that the drawings are covered for comparison, and the marks cannot be modified when covered, which easily causes marks on the bottom of the drawings.

[0037] It should be noted that, in this document, relational terms such as "first fixture" and "second fixture" are used solely to distinguish one entity or operation from another, and do not necessarily require or imply any actual relationship or order between these entities or operations. Furthermore, the terms "comprise," "include," or any other variations thereof are intended to encompass non-exclusive inclusion, such that a process, method, article, or apparatus that includes a list of elements includes not only those elements but also other elements not explicitly listed, or elements inherent to such process, method, article, or apparatus.

[0038] Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A drawing comparison device for engineering cost, comprising a first fixing frame (1), characterized in that: A second fixing frame (2) is provided on the top of the first fixing frame (1), a third fixing frame (3) is provided on the top of the second fixing frame (2), a fourth fixing frame (4) is provided on the top of the third fixing frame (3), the left side of the first fixing frame (1) is movably connected to the left side of the second fixing frame (2), the left side of the third fixing frame (3) is movably connected to the left side of the fourth fixing frame (4), the four corners of the top of the second fixing frame (2) are fixedly connected to fixing rods (5), the four corners of the top of the fourth fixing frame (4) are fixedly connected to fixing rings (6), and a locking assembly (7) is provided inside the fixing ring (6).

2. The device for comparing drawings for construction cost according to claim 1, characterized in that: The locking assembly (7) comprises a movable plate (71), the movable plate (71) being located on the inner side of the fixed ring (6), the outer side of the movable plate (71) being fixedly connected to a spring (72), the outer side of the spring (72) being fixedly connected to the inner wall of the fixed ring (6), the outer side of the movable plate (71) being fixedly connected to a clamping rod (73), and the surface of the fixed rod (5) being provided with a clamping groove (74) for use with the clamping rod (73).

3. The device for comparing drawings for construction cost according to claim 1, characterized in that: Slide grooves (8) are provided on both sides of the top of the fixed ring (6), and a pull rope (9) is slidably connected inside the slide groove (8). The inner side of the pull rope (9) is fixedly connected to the surface of the movable plate (71). An operating plate (10) is provided on the top of the fixed ring (6), and the bottom of the operating plate (10) is fixedly connected to the top of the pull rope (9).

4. The device for comparing drawings for construction cost according to claim 2, characterized in that: The inner side of the fixed ring (6) and the outer side of the movable plate (71) are both fixedly connected with a round rod (11), and the round rod (11) is used in conjunction with a spring (72).

5. The device for comparing drawings for construction cost according to claim 3, characterized in that: A handle (12) is fixedly connected to the top of the operating panel (10), and the handle (12) is used in conjunction with the operating panel (10).

6. The device for comparing drawings for construction cost according to claim 1, characterized in that: The right sides of the first fixing frame (1), the second fixing frame (2), the third fixing frame (3) and the fourth fixing frame (4) are all fixedly connected with magnetic blocks (13), and the number of the magnetic blocks (13) is four.

7. The device for comparing drawings for construction cost according to claim 2, characterized in that: Positioning rods (14) are fixedly connected to both sides of the inner wall of the fixing ring (6), and the positioning rods (14) are slidably connected to the movable plate (71).

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