Device for engineering cost accounting and comparison

Abstract

The utility model provides a device for engineering cost accounting and comparison, which relates to the technical field of engineering cost accounting operation platforms and comprises a base, a sliding groove is formed in the bottom end of the base, a two-way screw is rotatably connected in the sliding groove, a rotating block is in threaded connection with the surface of the two-way screw, and the rotating block is in threaded connection with the bottom end of the base. And a connecting rod is rotationally connected to the interior of the rotating block, a wheel seat is rotationally connected to one end of the connecting rod, and a wheel is rotationally connected to the interior of the wheel seat. Compared with the prior art, the device has the advantages that the structure is simple, the bidirectional screw and the wheel seat are arranged in the bottom end sliding groove formed in the base, the rotating block is driven to move by rotating the bidirectional screw, the wheel seat is driven to rotate in the sliding groove through the cooperation of the connecting rod and the rotating rod, and the wheel seat is driven to rotate in the sliding groove. And when the device needs to be moved, labor is saved, and the use scene range of the device is widened.

Description

Technical Field

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

[0002] Project cost refers to the estimated or actual construction expenses that constitute the project during the construction period. In the work of cost accounting, the project cost engineer needs to bring an office platform to the construction site and perform accounting work on the office platform, which comprehensively applies knowledge and skills in management, economics, and engineering technology.

[0003] A comparison device for engineering cost accounting disclosed in Chinese patent CN216577756U is provided. The comparison device for engineering cost accounting can drive the vertical plate to move upward or downward by moving the movable platform upward or downward, thereby driving the slider to slide upward or downward in the slide groove. The coordination of the vertical plate, the slider and the slide groove is conducive to improving the stability of the movable platform when moving. However, the comparison device for engineering cost accounting has the following disadvantages while solving the problem:

[0004] The comparison device used for engineering cost accounting has a relatively complex structure, and the fixed base is not provided with a corresponding portable mobile device. The fixed base is heavy, and it is more laborious to move the device when it is needed, which makes the scope of application scenarios of the device small. Utility Model Content

[0005] The purpose of the present invention is to solve at least one of the above technical deficiencies.

[0006] Therefore, one purpose of the utility model is to provide a device for engineering cost calculation and comparison, so as to solve the problems mentioned in the background technology and overcome the shortcomings in the prior art.

[0007] In order to achieve the above-mentioned purpose, an embodiment of the utility model on one hand provides a device for engineering cost accounting comparison, including a base, a sliding groove is opened at the bottom end of the base, a bidirectional screw is rotatably connected inside the sliding groove, a rotating block is threadedly connected to the surface of the bidirectional screw, a connecting rod is rotatably connected inside the rotating block, one end of the connecting rod is rotatably connected to a wheel seat, a wheel is rotatably connected inside the wheel seat, a rotating rod is rotatably connected to one side of the wheel seat, and one end of the rotating rod is fixedly connected to one side inside the sliding groove.

[0008] Preferably, any of the above schemes has a hexagonal groove at one end of the bidirectional screw, a hexagonal handle is slidably provided inside the hexagonal groove, and the hexagonal handle cooperates with the hexagonal groove to provide rotational force for the bidirectional screw.

[0009] Preferably, any of the above schemes is that the top of the base is fixedly connected to a support seat, a mounting groove is provided inside the support seat, a motor is fixedly installed at the bottom end of the mounting groove, a threaded rod is fixedly connected to the output end of the motor, and the motor is a forward and reverse motor, which cooperates with the threaded rod and the threaded cylinder to realize the lifting and lowering control of the desktop.

[0010] Compared with the prior art, the advantages and beneficial effects of the utility model are:

[0011] 1. The structure of the device used for engineering cost accounting comparison is relatively simple, and a bidirectional screw and a wheel seat are arranged inside the bottom sliding groove of the base. The bidirectional screw is rotated to drive the rotating block to move, and the connecting rod and the rotating rod cooperate to drive the wheel seat to rotate inside the sliding groove, so that the wheel seat is in contact with the ground to lift the device off the ground, which is more labor-saving when it needs to be moved, thereby improving the range of use scenarios of the device.

[0012] 2. The device for engineering cost accounting comparison is provided with a threaded barrel and a threaded rod. Under the action of a motor, the second supporting leg can be controlled to move up and down, thereby adjusting the height of the desktop from the ground. It can be applied to a variety of scenarios, and the first supporting leg and the second supporting leg are socket-connected, which can greatly improve the stability of the device during the up and down movement. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a schematic diagram of the structure of the utility model from a front view perspective;

[0014] Figure 2 It is a schematic diagram of the structure of the utility model in a cross-section from a left-side viewing angle;

[0015] Figure 3 According to the utility model Figure 2 Schematic diagram of the structure with a partial enlargement at point A.

[0016] Among them: 1. base, 2. sliding groove, 3. bidirectional screw, 4. rotating block, 5. connecting rod, 6. wheel seat, 7. wheel, 8. rotating rod, 9. support seat, 10. mounting groove, 11. motor, 12. threaded rod, 13. supporting leg one, 14. through hole, 15. supporting leg two, 16. threaded cylinder, 17. desktop, 18. drawer, 19. controller, 20. hexagonal groove, 21. hexagonal handle. DETAILED DESCRIPTION

[0017] The specific implementation of the utility model is further described below in conjunction with the accompanying drawings.

[0018] Embodiment 1:

[0019] like Figure 1-3As shown, a device for engineering cost accounting comparison in this embodiment includes a base 1, a sliding groove 2 is opened at the bottom end of the base 1, a bidirectional screw 3 is rotatably connected inside the sliding groove 2, a hexagonal groove 20 is opened at one end of the bidirectional screw 3, and a hexagonal handle 21 is slidably arranged inside the hexagonal groove 20. When the device needs to be moved, the hexagonal handle 21 is inserted into the hexagonal groove 20, and then the hexagonal handle 21 is rotated to drive the bidirectional screw 3 to rotate inside the sliding groove 2. The surface of the bidirectional screw 3 is threadedly connected with a rotating block 4, and the rotating The block 4 is rotatably connected to a connecting rod 5, one end of the connecting rod 5 is rotatably connected to a wheel seat 6, the wheel seat 6 is rotatably connected to a wheel 7, one side of the wheel seat 6 is rotatably connected to a rotating rod 8, one end of the rotating rod 8 is fixedly connected to one side of the inside of the sliding groove 2. When the bidirectional screw 3 rotates, the rotating block 4 is driven to move under the action of the thread, the rotating block 4 drives one end of the connecting rod 5 to rotate, and the other end of the connecting rod 5 drives the wheel seat 6 to rotate under the action of the rotating rod 8, so that the wheel seat 6 drives the wheel 7 to contact the ground and lift the device.

[0020] The top of the base 1 is fixedly connected with a support seat 9, the top of the support seat 9 is fixedly connected with a support leg 13, the outer side of the support leg 13 is sleeved with a support leg 2 15, the top of the support leg 2 15 is fixedly installed with a desktop 17, the middle part of the bottom end of the desktop 17 is fixedly installed with a drawer 18, and one side of the desktop 17 is fixedly connected with a controller 19. The support leg 2 15 is sleeved on the outer surface of the support leg 13, and moves up and down under the cooperation of the threaded rod 12 and the threaded tube 16. The inner top of the support leg 2 15 is fixedly connected with a threaded tube 16, and the interior of the threaded tube 16 is threadedly connected to the surface of the threaded rod 12. When the threaded rod 12 rotates, the threaded tube 16 is driven The surface of the threaded rod 12 moves up and down, and a through hole 14 is formed at the top of the supporting leg 13. The threaded rod 12 and the threaded barrel 16 rotate and move up and down inside the through hole 14. A mounting groove 10 is formed inside the supporting seat 9. A motor 11 is fixedly mounted at the bottom end of the mounting groove 10. The output end of the motor 11 is fixedly connected to the threaded rod 12. When the motor 11 rotates, the threaded rod 12 is driven to rotate inside the through hole 14. The surface of the threaded rod 12 is rotationally connected to the inside of the through hole 14, and the surface of the threaded barrel 16 is slidingly connected to the inside of the through hole 14. The setting of the through hole 14 improves the stability of the threaded rod 12 and the threaded barrel 16 during operation.

[0021] The working principle of the device for project cost calculation and comparison in this embodiment is as follows:

[0022] When the device for engineering cost accounting and comparison needs to be moved, first the hexagonal handle 21 is inserted into the hexagonal groove 20, and then the hexagonal handle 21 is rotated to drive the bidirectional screw 3 to rotate inside the sliding groove 2. When the bidirectional screw 3 rotates, the rotating block 4 is driven to move under the action of the thread, and the rotating block 4 drives one end of the connecting rod 5 to rotate, and the other end of the connecting rod 5 drives the wheel seat 6 to rotate under the action of the rotating rod 8, so that the wheel seat 6 drives the wheel 7 to contact the ground and lift the device. It is more convenient to move the device under the action of the wheel 7. When using the device, start the motor 11 to drive the threaded rod 12 to rotate inside the through hole 14. When the threaded rod 12 rotates, it drives the threaded cylinder 16 to move up and down on the surface of the threaded rod 12. The second support leg 15 is sleeved on the outer surface of the first support leg 13, and moves up and down with the cooperation of the threaded rod 12 and the threaded cylinder 16, so as to adjust the height of the table top 17, which is more convenient.

[0023] Compared with the prior art, the present invention has the following beneficial effects:

[0024] 1. The structure of the device for engineering cost accounting comparison is relatively simple, and a bidirectional screw 3 and a wheel seat 6 are arranged inside the bottom sliding groove 2 arranged on the base 1. The bidirectional screw 3 is rotated to drive the rotating block 4 to move, and the connecting rod 5 and the rotating rod 8 cooperate to drive the wheel seat 6 to rotate inside the sliding groove 2, so that the wheel seat 6 is brought into contact with the ground and the device is lifted off the ground. It is more labor-saving when it needs to be moved, which improves the scope of use scenarios of the device.

[0025] 2. The device for construction cost accounting and comparison is provided with a threaded barrel 16 and a threaded rod 12. Under the action of the motor 11, the support leg 2 15 can be controlled to move up and down, thereby adjusting the height of the desktop from the ground. It can be applied to a variety of scenes, and the support leg 13 and the support leg 2 15 are socket-connected, which can greatly improve the stability of the device during the up and down movement.

Claims

1. A device for comparing engineering cost calculation, characterized in that: The invention comprises a base (1), a sliding groove (2) is provided at the bottom end of the base (1), a bidirectional screw (3) is rotatably connected inside the sliding groove (2), a rotating block (4) is threadedly connected on the surface of the bidirectional screw (3), a connecting rod (5) is rotatably connected inside the rotating block (4), one end of the connecting rod (5) is rotatably connected to a wheel seat (6), the wheel seat (6) is rotatably connected to a wheel (7), one side of the wheel seat (6) is rotatably connected to a rotating rod (8), and one end of the rotating rod (8) is fixedly connected to one side inside the sliding groove (2).

2. The device for comparing engineering cost calculation according to claim 1, characterized in that: One end of the bidirectional screw (3) is provided with a hexagonal groove (20), and a hexagonal handle (21) is slidably arranged inside the hexagonal groove (20).

3. The device for comparing construction cost calculation according to claim 1, characterized in that: The top end of the base (1) is fixedly connected to a support seat (9), a mounting groove (10) is provided inside the support seat (9), a motor (11) is fixedly installed at the bottom end of the mounting groove (10), and a threaded rod (12) is fixedly connected to the output end of the motor (11).

4. The device for comparing construction cost calculation according to claim 3, characterized in that: The top end of the support seat (9) is fixedly connected to a support leg one (13), and a through hole (14) is formed through the top end of the support leg one (13).

5. The device for comparing construction cost calculation according to claim 4, characterized in that: The outer side of the support leg one (13) is sleeve-connected with the support leg two (15), the inner top end of the support leg two (15) is fixedly connected with a threaded tube (16), and the inside of the threaded tube (16) is threadedly connected with the surface of the threaded rod (12).

6. The device for comparing engineering cost calculation according to claim 5, characterized in that: A desktop (17) is fixedly mounted on the top of the second supporting leg (15), a drawer (18) is fixedly mounted on the middle of the bottom of the desktop (17), and a controller (19) is fixedly connected to one side of the desktop (17).

7. The device for construction cost calculation and comparison according to claim 5, characterized in that: The surface of the threaded rod (12) is rotationally connected to the inside of the through hole (14), and the surface of the threaded cylinder (16) is slidingly connected to the inside of the through hole (14).

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