Project cost drawing comparison device

Abstract

The utility model relates to the technical field of engineering cost, in particular to an engineering cost drawing comparison device which comprises an installation plate, a comparison mechanism is installed at one end of the installation plate, and a lighting mechanism is installed at the other end of the installation plate. The supporting device is fixedly connected to the other end of the mounting plate; the supporting device comprises an inserting column fixedly connected to the other end of the mounting plate, a first mounting cavity is formed in the surface of the inserting column, and a base is slidably connected to the surface of the inserting column; a user can freely lift the comparison mechanism only by rotating the adjusting handle, after adjustment is completed, the user can automatically complete locking only by loosening the adjusting handle, and compared with an existing adjusting mode, the user does not need to lift and lock the comparison mechanism at the same time; therefore, a single user can easily complete height adjustment operation, and the adjustment burden of workers is effectively reduced.

Description

Technical Field

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

[0002] In the process of engineering cost calculation, it is often necessary to analyze and compare the drawings in detail. The cost comparison between unit projects is carried out down to the distinction of each component in order to find out the reasons for the cost difference.

[0003] At present, a Chinese patent discloses a construction cost drawing comparison device (publication number CN220557678U). The construction cost drawing comparison device described in the utility model, by setting a comparison device, utilizes the action of the corresponding spring to place the construction cost drawing on the rear side of the corresponding two clamping plates, so that the construction cost drawing is clamped and fixed in the two placement grooves respectively, and then the construction cost drawing comparison work is carried out. This method is simple and convenient, and the construction cost drawing will not produce position offset and affect the comparison work.

[0004] Since the above device sets the lifting structure on the back of the mounting plate for drawing comparison, and needs to be locked by bolts after the height adjustment is completed, during this process, the staff needs to maintain the height of the mounting plate while locking the bolts, which is difficult for one person to complete and has low practicality.

[0005] Therefore, a construction cost drawing comparison device is proposed to solve the above problems. Utility Model Content

[0006] The purpose of the utility model is to provide a construction cost drawing comparison device in order to solve the above problems, thereby improving the problems of the existing construction cost drawing comparison device having high difficulty in single-person adjustment and low practicality.

[0007] The utility model achieves the above-mentioned purpose through the following technical scheme, which is an engineering cost drawing comparison device, including: a mounting plate, one end of which is equipped with a comparison mechanism, and the other end of which is equipped with a lighting mechanism; a supporting device, which is fixedly connected to the other end of the mounting plate.

[0008] Preferably, the supporting device includes a plug post fixedly connected to the other end of the mounting plate, the surface of the plug post is provided with a first mounting cavity, the surface of the plug post is slidably connected to a base, the interior of the base is provided with evenly distributed slots, the interior of the first mounting cavity is slidably connected to two positioning blocks which are respectively plugged into adjacent slots, a spring sheet is fixedly connected between the two positioning blocks, the top of the spring sheet is fixedly connected to a connecting rope, one end of the connecting rope is fixedly connected to an adjusting rod rotatably connected to the plug post, one end of the adjusting rod passes through the outside of the plug post, the user only needs to rotate the adjusting handle to freely raise and lower the contrast mechanism, and after the adjustment is completed, the user only needs to loosen the adjusting handle to complete the locking by itself. Compared with the existing adjustment method, this does not require the user to lift and lock at the same time, so that a single user can complete the height adjustment operation more easily, effectively reducing the adjustment burden of the staff.

[0009] Preferably, the vertical cross-section of the spring sheet is V-shaped, and the spring sheet is always in a compressed state, which can ensure that the spring sheet can plug both positioning blocks into corresponding slots and stably lock the comparison mechanism at a corresponding height.

[0010] Preferably, the horizontal cross-sectional shapes of the surface of the plug post and the interior of the base are both rectangular, which can prevent the plug post from rotating inside the base, so as to improve the success rate of the connection between the positioning block and the slot.

[0011] Preferably, both ends of the plug post are fixedly connected with a cross bar, and the corners of the cross bar are rounded, so that the user can more easily lift the comparison mechanism through the cross bar, reducing the lifting burden of the user.

[0012] Preferably, an adjustment cavity is opened on the surface of one of the cross bars, and an adjustment handle is rotatably connected to the surface of the cross bar, and the surface of the adjustment rod is fixedly connected to the adjustment handle, which enables the user to adjust the position of the positioning block more easily and reduces the adjustment burden of the user.

[0013] Preferably, a wire drum is fixedly connected to the surface of the adjusting rod, and the connecting rope is fixedly connected to the surface of the wire drum. The diameter ratio of the wire drum to the adjusting rod is five to one, which can increase the displacement length of the positioning block to ensure that the positioning block can be effectively separated from the slot.

[0014] Preferably, a second mounting cavity adjacent to the slot is formed on the surface of the plug post, a positioning ball slidably connected to the interior of the second mounting cavity and in contact with the adjacent slot, a spring is placed inside the second mounting cavity, and both ends of the spring are in contact with the second mounting cavity and the positioning ball respectively. The user can feel the frustration generated when the positioning ball enters and exits the slot to determine whether the positioning block is aligned with the slot. This eliminates the need for the user to open the base to check the relative position of the positioning block and the slot, making the locking operation of the plug post easier.

[0015] Preferably, the maximum inner diameter of the opening of the second installation cavity is smaller than the diameter of the positioning ball, and the diameter of the positioning ball is larger than the maximum inner diameter of the slot, which can prevent the positioning ball from completely falling out of the second installation cavity to ensure that the positioning ball can operate normally.

[0016] The beneficial effects of the utility model are:

[0017] 1. The user can freely raise and lower the contrast mechanism by simply rotating the adjustment handle, and after the adjustment is completed, the user can lock it by itself by simply loosening the adjustment handle. Compared with the existing adjustment method, this does not require the user to lift and lock at the same time, so that a single user can easily complete the height adjustment operation, effectively reducing the adjustment burden of the staff;

[0018] 2. The user can feel the frustration caused by the positioning ball entering and exiting the slot to determine whether the positioning block is aligned with the slot. This does not require the user to open the base to check the relative position of the positioning block and the slot, making the locking operation of the plug column easier. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a schematic diagram of the structure of the utility model;

[0020] Figure 2 It is a structural schematic diagram of the support device in the utility model;

[0021] Figure 3 It is a cross-sectional schematic diagram of the support device in the utility model;

[0022] Figure 4 for Figure 3 A magnified view of middle;

[0023] Figure 5 It is a structural schematic diagram of a partial cutout of the supporting device in the utility model.

[0024] In the figure: 1. mounting plate; 2. contrast mechanism; 3. lighting mechanism; 4. supporting device; 401. plug post; 4011. first mounting cavity; 4012. second mounting cavity; 402. base; 4021. slot; 403. positioning block; 404. spring; 405. connecting rope; 406. adjusting rod; 407. cross bar; 4071. adjusting cavity; 408. adjusting handle; 409. wire reel; 410. positioning ball; 411. spring. DETAILED DESCRIPTION

[0025] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0026] When implementing: Figure 1-5 As shown, a construction cost drawing comparison device comprises: a mounting plate 1, a comparison mechanism 2 is mounted on one end of the mounting plate 1, and a lighting mechanism 3 is mounted on the other end of the mounting plate 1; a supporting device 4, and the supporting device 4 is fixedly connected to the other end of the mounting plate 1;

[0027] It should be noted that the comparison mechanism 2 and the lighting mechanism 3 are the same in structure and operation as the comparison device and lighting assembly in the comparison case. Therefore, how to perform the comparison operation of the engineering cost drawings is also the same as the comparison case. This is a currently public and effective mature technology and will not be elaborated here.

[0028] like Figure 2 , Figure 3 , Figure 4 and Figure 5As shown, the supporting device 4 includes a plug post 401 fixedly connected to the other end of the mounting plate 1, a first mounting cavity 4011 is provided on the surface of the plug post 401, a base 402 is slidably connected to the surface of the plug post 401, and evenly distributed slots 4021 are provided inside the base 402, two positioning blocks 403 are slidably connected inside the first mounting cavity 4011 and are respectively plugged into adjacent slots 4021, a spring piece 404 is fixedly connected between the two positioning blocks 403, a connecting rope 405 is fixedly connected to the top of the spring piece 404, one end of the connecting rope 405 is fixedly connected to an adjusting rod 406 rotatably connected to the plug post 401, and one end of the adjusting rod 406 passes through the plug post 4 01; the vertical cross-section of the spring piece 404 is V-shaped, and the spring piece 404 is always in a compressed state; the horizontal cross-sections of the surface of the column 401 and the inside of the base 402 are both rectangular; the two ends of the column 401 are fixedly connected to the cross bars 407, and the corners of the cross bars 407 are rounded; an adjustment cavity 4071 is opened on the surface of one of the cross bars 407, and the surface of the cross bar 407 is rotatably connected to the adjustment handle 408, and the surface of the adjustment rod 406 is fixedly connected to the adjustment handle 408; the surface of the adjustment rod 406 is fixedly connected to the wire drum 409, and the connecting rope 405 is fixedly connected to the surface of the wire drum 409, and the diameter ratio of the wire drum 409 to the adjustment rod 406 is five to one; such as Figure 4 As shown, the surface of the plug post 401 is provided with a second installation cavity 4012 which is connected to the adjacent slot 4021, and the interior of the second installation cavity 4012 is slidably connected with a positioning ball 410 which is in contact with the adjacent slot 4021, and a spring 411 is placed inside the second installation cavity 4012, and both ends of the spring 411 are in contact with the second installation cavity 4012 and the positioning ball 410 respectively; the maximum inner diameter at the opening of the second installation cavity 4012 is smaller than the diameter of the positioning ball 410, and the diameter of the positioning ball 410 is larger than the maximum inner diameter of the slot 4021.

[0029] When the utility model is in use, when the user needs to adjust the height of the comparison mechanism 2, the user first holds the two cross bars 407, and then rotates the adjustment handle 408 with the thumb, the adjustment handle 408 drives the adjustment rod 406 to rotate, the adjustment rod 406 drives the wire drum 409 to rotate, the wire drum 409 reels the connecting rope 405, the connecting rope 405 bends the spring sheet 404, and the spring sheet 404 simultaneously pulls the positioning block 403 toward each other until the positioning block 403 is separated from the slot 4021 and completely retracted into the first installation cavity 4011, at which time the plug post 401 loses its obstruction, and the user can normally lift and lower the plug post 401 through the cross bar 407, and the plug post 401 drives the installation plate 1 to connect The comparison mechanism 2 is lifted and lowered together. During this process, the user can feel the frustration generated when the positioning ball 410 enters and exits the slot 4021 to judge whether the positioning block 403 is aligned with the slot 4021. When the comparison mechanism 2 is adjusted to a suitable height and the positioning ball 410 increases the resistance to the movement of the plug post 401 due to being inserted into the slot 4021, the user only needs to loosen the adjustment handle 408. At this time, the spring piece 404 can quickly restore its original state and push the two positioning blocks 403 outward at the same time. The positioning block 403 passes through the first installation cavity 4011 and is plugged into the slot 4021. At this time, the plug post 401 is locked at a corresponding height by the positioning block 403 and the slot 4021.

[0030] To summarize, the user only needs to rotate the adjustment handle 408 to freely raise and lower the contrast mechanism 2, and after the adjustment is completed, the user only needs to loosen the adjustment handle 408 to lock it by himself. Compared with the existing adjustment method, this does not require the user to lift and lock at the same time, so that a single user can complete the height adjustment operation more easily, effectively reducing the adjustment burden of the staff.

[0031] In addition, it should be understood that although the present specification is described according to implementation modes, not every implementation mode contains only one independent technical solution. This description of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment may also be appropriately combined to form other implementation modes that can be understood by those skilled in the art.

Claims

1. A device for comparing engineering cost drawings, characterized in that: include: A mounting plate (1), wherein a contrast mechanism (2) is mounted on one end of the mounting plate (1), and an illumination mechanism (3) is mounted on the other end of the mounting plate (1); A supporting device (4), wherein the supporting device (4) is fixedly connected to the other end of the mounting plate (1); The supporting device (4) comprises a plug post (401) fixedly connected to the other end of the mounting plate (1), a first mounting cavity (4011) being provided on the surface of the plug post (401), a base (402) being slidably connected to the surface of the plug post (401), evenly distributed slots (4021) being provided inside the base (402), two positioning blocks (403) being slidably connected inside the first mounting cavity (4011) and respectively plugged into adjacent slots (4021), a spring sheet (404) being fixedly connected between the two positioning blocks (403), a connecting rope (405) being fixedly connected to the top of the spring sheet (404), one end of the connecting rope (405) being fixedly connected to an adjusting rod (406) rotatably connected to the plug post (401), and one end of the adjusting rod (406) passing through the outside of the plug post (401).

2. The engineering cost drawing comparison device according to claim 1, characterized in that: The vertical cross-section of the spring sheet (404) is V-shaped, and the spring sheet (404) is always in a compressed state.

3. The engineering cost drawing comparison device according to claim 1 is characterized in that: The horizontal cross-sectional shapes of the surface of the plug post (401) and the interior of the base (402) are both rectangular.

4. The engineering cost drawing comparison device according to claim 1 is characterized in that: The two ends of the plug post (401) are fixedly connected to a cross bar (407), and the corners of the cross bar (407) are rounded.

5. The engineering cost drawing comparison device according to claim 4 is characterized in that: An adjustment cavity (4071) is provided on the surface of one of the cross bars (407), an adjustment handle (408) is rotatably connected to the surface of the cross bar (407), and the surface of the adjustment rod (406) is fixedly connected to the adjustment handle (408).

6. The engineering cost drawing comparison device according to claim 1, characterized in that: The surface of the adjusting rod (406) is fixedly connected to a wire drum (409), the connecting rope (405) is fixedly connected to the surface of the wire drum (409), and the diameter ratio of the wire drum (409) to the adjusting rod (406) is five to one.

7. The engineering cost drawing comparison device according to claim 1 is characterized in that: The surface of the plug post (401) is provided with a second installation cavity (4012) adjacent to the slot (4021); the interior of the second installation cavity (4012) is slidably connected with a positioning ball (410) in contact with the adjacent slot (4021); a spring (411) is placed inside the second installation cavity (4012); two ends of the spring (411) are in contact with the second installation cavity (4012) and the positioning ball (410) respectively.

8. The engineering cost drawing comparison device according to claim 7 is characterized in that: The maximum inner diameter of the opening of the second installation cavity (4012) is smaller than the diameter of the positioning ball (410), and the diameter of the positioning ball (410) is larger than the maximum inner diameter of the slot (4021).

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