Construction Engineering Management Tendering Device

Abstract

The utility model discloses a construction engineering management bidding device, comprising a display tube, a tube rod, a transfer tube, a rotating drive mechanism, a tube column, a base, an infrared sensor and an electric control box; the display tube is a cylindrical structure, the tube rod is fixed to the inner side of the display tube, the outer side of the bottom of the tube rod is rotatably sleeved with a transfer tube, and is driven to rotate horizontally at a low speed by a rotating drive mechanism arranged in the transfer tube. The advantage compared with the prior art is that when the new device is in use, the display tube can be driven to rotate horizontally at a low speed by the operation of a motor, so that the construction engineering management bidding poster can be displayed horizontally and all around; and when someone walks forward to carefully view the content of the poster, the infrared sensor is sensed, and in conjunction with the operation of the electric control box, the motor can be controlled to stop rotating, so that the viewer can view the content of the poster more carefully. The transfer tube, the tube column and the base can be disassembled, and the disassembled device is more convenient for storage and carrying.

Description

Technical Field

[0001] The utility model relates to the technical field of equipment for construction engineering management, in particular to a construction engineering management bidding device. Background Art

[0002] In the construction project management bidding work, the bidding posters or bidding notices are often displayed through display devices. At present, the existing display devices are generally a structure in which a pair of supporting legs are fixed at the bottom of a display board, and the bottom of the supporting legs is fixed with supporting feet. When in use, the bidding posters or bidding notices can be posted on the display board.

[0003] It is not difficult to see that the existing bidding device still has the following defects when used:

[0004] 1. The display device can only display bid posters or tender notices in two-way directions on two sides at most. The display range is small and the effect is not good enough.

[0005] 2. The display is a fixed structure, which means that when it is not in use, it takes up too much space and is not easy to store or carry. Utility Model Content

[0006] The technical problem to be solved by the utility model is to overcome the above technical difficulties and provide a construction project management bidding device, which, when in use, can display bid posters or bidding notices in a more comprehensive manner, and takes up less space when not in use, making it easier to store or carry.

[0007] In order to solve the above technical problems, the technical solution provided by the utility model is:

[0008] The construction engineering management bidding device comprises a display tube, a tube rod, a transfer tube, a rotating drive mechanism, a tube column, a base, an infrared sensor and an electric control box; the display tube is a cylindrical structure, the tube rod is fixed on the inner side of the display tube, and the central axes of the two are in line, the transfer tube is rotatably sleeved on the outer side of the bottom of the tube rod, and is driven to rotate horizontally at a low speed by a rotating drive mechanism arranged in the transfer tube, the top of the tube column is detachably connected to the transfer tube, and the bottom is detachably installed with a base, and the outer wall of the transfer tube is respectively fixed with an infrared sensor and an electric control box.

[0009] As an improvement, the rotation drive mechanism includes a motor and a transmission shaft; the motor is fixed inside the adapter tube, the transmission shaft is located at the bottom of the tube rod, and both ends are fixedly connected to the inner wall of the tube rod, and a through hole is reserved on the output shaft of the motor for the transmission shaft to pass through, and the output shaft of the motor is sleeved on the transmission shaft through the through hole. It is used to drive the display tube to rotate at a low speed.

[0010] As an improvement, a partition is provided on the upper side of the transmission shaft and is sleeved and fixed on the inner wall of the tube rod, and a cap is threadedly sleeved on the top of the tube rod, so that a storage cavity is formed in the inner cavity of the tube rod on the upper side of the partition, so that the bidding posters to be displayed can be stored.

[0011] As an improvement, the lower part of the adapter tube is threadedly sleeved on the outer wall of the tube rod, so that the adapter tube and the tube rod can be easily assembled or disassembled.

[0012] As an improvement, the base includes a chassis and a threaded sleeve; the center of the upper side of the chassis is integrally formed with a threaded sleeve that is threadedly sleeved on the outer wall of the bottom of the tube rod, so that the tube rod and the base can be easily assembled or disassembled.

[0013] The advantages of the utility model compared with the prior art are:

[0014] 1. When the present invention is in use, the motor can drive the display tube to rotate horizontally at a low speed, so that the construction project management bidding poster can be displayed horizontally and in all directions; and when someone comes forward to carefully view the content of the poster, the infrared sensor can sense it and cooperate with the work of the electric control box to control the motor to stop rotating, so that the viewer can view the content of the poster more carefully.

[0015] 2. After use, the adapter tube, the tube column and the base can be disassembled, and the disassembled device is more convenient to store and carry. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is a schematic diagram of the structure of the utility model Figure 1 .

[0017] Figure 2 This is a schematic diagram of the structure of the utility model Figure 2 .

[0018] Figure 3 It is a partial structural schematic diagram of the utility model.

[0019] As shown in the figure: 1. Display tube; 2. Tube rod; 3. Adapter tube; 4. Tube column; 5. Infrared sensor; 6. Electric control box; 7. Motor; 8. Drive shaft; 9. Support rod; 10. Partition; 11. Cap; 12. Chassis; 13. Threaded tube sleeve. DETAILED DESCRIPTION

[0020] In the description of the present utility model, it should be understood that the terms "center", "lateral", "up", "down", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present utility model. In addition, the terms "first" and "second" are used for descriptive purposes only, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, the features defined as "first" and "second" may explicitly or implicitly include one or more of the features. In the description of the present utility model, unless otherwise specified, "multiple" means two or more. In addition, the term "including" and any variation thereof are intended to cover non-exclusive inclusions.

[0021] The utility model is further described in detail below in conjunction with the accompanying drawings.

[0022] Construction project management bidding device, including:

[0023] Display tube 1 and tube rod 2; Figure 3 As shown, the display tube 1 is a cylindrical structure, the tube rod 2 is located inside the display tube 1, and the central axes of the two are collinear, the display tube 1 and the tube rod 2 are fixedly connected by a support rod 9, and a plurality of support rods 9 are provided and are evenly distributed along the circumference and axial direction of the tube rod 2;

[0024] It is worth mentioning that a partition plate 10 is provided on the upper side of the transmission shaft 8 and is sleeved and fixed on the inner wall of the tube rod 2, and a cap 11 is threadedly sleeved on the top of the tube rod 2. The bidding posters for construction project management to be displayed can be rolled up and stored in the storage cavity;

[0025] The adapter tube 3 and the rotary drive mechanism; the adapter tube 3 is rotatably sleeved on the outer side of the bottom of the tube rod 2. The rotary drive mechanism includes a motor 7 and a transmission shaft 8; the motor 7 is installed and fixed on the inner side of the adapter tube 3, the transmission shaft 8 is located at the bottom of the tube rod 2, and both ends are fixedly connected to the inner wall of the tube rod 2, and a through hole is reserved on the output shaft of the motor 7 for the transmission shaft 8 to pass through, and the output shaft of the motor 7 is sleeved on the transmission shaft 8 through the through hole;

[0026] The cylinder 4 and the base; the lower part of the adapter cylinder 3 is threadedly sleeved on the outer wall of the cylinder rod 2; the base includes a chassis 12 and a threaded sleeve 13; the center of the upper side of the chassis 12 is integrally formed with a threaded sleeve 13 threadedly sleeved on the outer wall of the bottom of the cylinder rod 2;

[0027] Infrared sensor 5 and electric control box 6: Infrared sensor 5 and electric control box 6 are respectively fixed on the outer wall of the adapter tube 3. It is easy to understand that the infrared sensor 5, electric control box 6 and motor 7 are all existing equipment well known to those skilled in the art, and their use and control methods are all existing technologies.

[0028] In the specific implementation of this embodiment: the poster for construction project management bidding is wrapped on the circumferential outer wall of the display tube 1, and the poster can be fixed on the display tube 1 by using transparent tape, and then the motor 7 is started, which will drive the tube rod 2 and the display tube 1 to rotate horizontally at a low speed, so as to display the poster for construction project management bidding in all directions horizontally.

[0029] When someone comes forward to carefully look at the construction project management bidding content on the poster, he can stand in front of the infrared sensor 5. When the distance from the infrared sensor 5 is less than 1.5 meters, the infrared sensor 5 detects that someone is watching the poster, and it will transmit the signal to the electric control box 6. The electric control box 6 controls the motor 7 to suspend work for a period of time, such as 1 minute. After 1 minute, if there is no viewer standing in front of the infrared sensor 5, the electric control box 6 controls the motor 7 to continue working.

[0030] As a preferred embodiment, a plurality of infrared sensors 5 may be designed on the adapter tube 3 and evenly distributed along the circumference of the adapter tube 3 , so that pedestrians walking from all directions can be detected by the infrared sensors 5 .

[0031] The above description of the utility model and its implementation methods is not restrictive. The drawings show only one implementation method of the utility model, and the actual structure is not limited thereto. In short, if ordinary technicians in this field are inspired by it and design structural methods and embodiments similar to the technical solution without creativity without departing from the purpose of the invention of the utility model, they should all fall within the protection scope of the utility model.

Claims

1. Construction project management bidding device, characterized by: The invention comprises a display tube (1), a tube rod (2), a transfer tube (3), a rotation drive mechanism, a tube column (4), a base, an infrared sensor (5) and an electric control box (6); the display tube (1) is a cylindrical structure; the tube rod (2) is mounted and fixed on the inner side of the display tube (1), and the central axes of the two are colinear; the transfer tube (3) is rotatably sleeved on the outer side of the bottom of the tube rod (2), and is driven to rotate horizontally at a low speed by a rotation drive mechanism arranged in the transfer tube (3); the top of the tube column (4) is detachably connected to the transfer tube (3), and the bottom is detachably mounted with a base; the infrared sensor (5) and the electric control box (6) are respectively fixed on the outer wall of the transfer tube (3).

2. The construction project management bidding device according to claim 1 is characterized by: The rotary drive mechanism comprises a motor (7) and a transmission shaft (8); the motor (7) is fixedly mounted on the inner side of the adapter cylinder (3); the transmission shaft (8) is located at the bottom of the cylinder rod (2), and both ends are respectively fixedly connected to the inner wall of the cylinder rod (2); a through hole is reserved on the output shaft of the motor (7) for the transmission shaft (8) to pass through, and the output shaft of the motor (7) is sleeved on the transmission shaft (8) through the through hole.

3. The construction project management bidding device according to claim 1 is characterized by: The display tube (1) and the tube rod (2) are fixedly connected via a support rod (9), and a plurality of support rods (9) are provided and are evenly distributed along the circumference and axial direction of the tube rod (2).

4. The construction project management bidding device according to claim 2 is characterized in that: The upper side of the transmission shaft (8) is provided with a partition plate (10) which is sleeved and fixed on the inner wall of the barrel rod (2), and the top of the barrel rod (2) is threadedly sleeved with a cap (11).

5. The construction project management bidding device according to claim 1 is characterized by: The lower part of the adapter cylinder (3) is threadedly sleeved on the outer wall of the cylinder rod (2).

6. The construction project management bidding device according to claim 5 is characterized by: The base comprises a chassis (12) and a threaded sleeve (13); a threaded sleeve (13) is integrally formed at the center of the upper side of the chassis (12) and is threadedly sleeved on the outer wall of the bottom of the sleeve rod (2).

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