EPC engineering project bidding and tendering information bulletin board

Abstract

The utility model belongs to the technical field of bulletin boards, and discloses an EPC engineering project bidding and tendering information bulletin board which comprises a telescopic frame, a shielding plate is fixedly installed at the top of the telescopic frame, limiting assemblies are fixedly installed on the two sides of the surface of the telescopic frame, and baffles are fixedly installed on the two sides of the interior of the telescopic frame. Clamping grooves are formed in the two sides of the bottom of the telescopic frame, supporting assemblies are fixedly installed in the clamping grooves, and a publicity board is arranged in the telescopic frame. In the using process, a person adjusts the telescopic frame to be the same as the publicity board in height and size, then the publicity board is placed in the telescopic frame, the publicity board is supported by a baffle, after the publicity board is placed, the person rotates a rotating plate, limiting is conducted through a limiting bolt, and after limiting, the publicity board is placed in the telescopic frame. And the publicity board is clamped by using the blocking plate at one end of the threaded rod, so that the effect of conveniently mounting and dismounting the publicity boards with different heights by the personnel is achieved, and the working efficiency of the personnel is improved.

Description

Technical Field

[0001] The utility model belongs to the technical field of publicity columns, in particular to an EPC engineering project bidding information publicity column. Background Art

[0002] The EPC Project Bidding Information Bulletin Board is a platform dedicated to publishing EPC (Engineering, Procurement and Construction) project bidding information. EPC is an engineering contracting model that covers multiple aspects such as engineering design, procurement, and construction, and is usually used in large-scale infrastructure construction projects. On this platform, you can find the latest EPC project bidding information and learn about the details of the project, such as project background, project scale, project budget, bidding scope, bidding requirements, etc. When bidding for EPC projects, the bulletin board is often used.

[0003] For example, the utility model with announcement number CN214098981U discloses a publicity device for construction project bidding, including a lifting device and a power storage device, wherein the upper side wall of the power storage device is fixedly connected to the publicity device body, the front side wall of the publicity device body is fixedly connected to the electronic publicity screen, the right side wall of the publicity device body is fixedly provided with a paper publicity column, and the right side wall of the power storage device is fixedly provided with a charging cable interface. The utility model is reasonably designed. By setting a lifting device, the height of the publicity device can be adjusted as needed, which greatly improves the publicity effect of the publicity device. By installing the power storage device, electrical energy can be stored. By setting an electronic publicity screen, the publicity effect of the publicity device is improved. By setting a machine foot with rollers, the publicity device can be transferred to a required location as needed.

[0004] Because the propaganda board is a pasted paper propaganda poster, it is necessary to scrape the paper propaganda board after the propaganda time is over. It is inconvenient to scrape it vertically, and the propaganda board often needs to be disassembled and scraped with special tools. Therefore, an EPC engineering project bidding information propaganda column is proposed to solve the above problem. Utility Model Content

[0005] In order to solve the problems raised in the above-mentioned background technology, the utility model provides an EPC project bidding information publicity board, which can solve the problem of slow disassembly efficiency of publicity boards.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an EPC engineering project bidding information publicity column, comprising a telescopic frame, a shielding plate is fixedly installed on the top of the telescopic frame, limiting components are fixedly installed on both sides of the surface of the telescopic frame, baffles are fixedly installed on both sides of the inside of the telescopic frame, and snap-in grooves are opened on both sides of the bottom of the telescopic frame, a supporting component is fixedly installed inside the snap-in groove, and a publicity board is provided inside the telescopic frame.

[0007] Preferably, a sliding groove is provided in the middle of the telescopic frame, an extension plate is slidably connected inside the sliding groove, limiting grooves are provided on the surfaces of the extension plate and the telescopic frame, and a positioning bolt is inserted inside the limiting groove.

[0008] Preferably, the limiting assembly includes mounting seats fixedly mounted on both sides of the telescopic frame, a rotating plate rotatably connected between the mounting seats, positioning grooves are provided on both sides of the surface of the positioning plate, the internal threads of the positioning grooves are connected to limiting bolts, a thread groove is provided on one side of the rotating plate, a threaded rod passes through the internal threads of the thread groove, and one end of the threaded rod is rotatably connected to a stop plate.

[0009] Preferably, the support assembly includes support rods clamped on both sides of the bottom of the telescopic frame, a stabilizing plate is fixedly installed at the bottom of the support rod, oblique plates are fixedly installed on both sides of the surface of the stabilizing plate, and a cross bar is fixedly installed between the support rods.

[0010] Preferably, a connecting plate is fixedly mounted on the surface of the support rod, and connecting bolts are threadedly penetrated at the four corners of the surface of the connecting plate.

[0011] Preferably, a groove is formed on the top of the telescopic frame, and the size of the groove is matched with the supporting block at the bottom of the shielding plate.

[0012] Preferably, restraint grooves are provided on both sides of the stabilizing plate, and internal threads of the restraint grooves are penetrated by mounting bolts for fixing the stabilizing plate.

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

[0014] The utility model, through the arrangement of the telescopic frame and the limiting assembly, during use, the personnel adjust the telescopic frame to the same height as the propaganda board, and then place the propaganda board inside the telescopic frame, and the baffle plate supports the propaganda board. After the propaganda board is placed, the personnel rotate the rotating plate and limit it by the limiting bolt. After limiting, the baffle plate at one end of the threaded rod is used to clamp the propaganda board, which makes it convenient for the personnel to install and disassemble propaganda boards of different heights and speeds up the work efficiency of the personnel.

[0015] The utility model, through the arrangement of the support assembly and the telescopic frame, the support assembly is clamped on the bottom of the telescopic frame, and then the stabilizing plate is installed on the ground, and the inclined plates on both sides of the surface of the stabilizing plate support the support rods to improve the stability of the support rods, and when the inclined plates support the support rods, the cross bars between the support rods can limit the distance between the support rods, further fix the support rods, improve the stability of the propaganda board after installation, and reduce the possibility of the propaganda board tipping over due to external factors. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the overall structure of the utility model;

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

[0018] Figure 3 This is a schematic diagram of the structure of the support assembly of the utility model;

[0019] Figure 4 This is a schematic diagram of the telescopic frame structure of the utility model;

[0020] Figure 5 For this utility model Figure 4 A is an enlarged diagram of the structure.

[0021] In the figure: 1. telescopic frame; 2. shielding plate; 3. limit assembly; 31. mounting seat; 32. rotating plate; 33. limiting bolt; 34. threaded rod; 35. stop plate; 4. baffle; 5. support assembly; 51. support rod; 52. stabilizing plate; 53. oblique plate; 54. cross bar; 6. publicity board; 7. extension plate; 8. positioning bolt. DETAILED DESCRIPTION

[0022] 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.

[0023] like Figures 1 to 4As shown, the utility model provides an EPC engineering project bidding information publicity column, comprising a telescopic frame 1, a baffle plate 2 is fixedly installed on the top of the telescopic frame 1, a groove is opened on the top of the telescopic frame 1, the size of the groove is adapted to the supporting block at the bottom of the baffle plate 2, limiting components 3 are fixedly installed on both sides of the surface of the telescopic frame 1, baffle plates 4 are fixedly installed on both sides of the inside of the telescopic frame 1, clamping grooves are opened on both sides of the bottom of the telescopic frame 1, a supporting component 5 is fixedly installed inside the clamping groove, a publicity board 6 is arranged inside the telescopic frame 1, a sliding groove is opened in the middle of the telescopic frame 1, an extension plate 7 is slidably connected inside the sliding groove, limiting grooves are opened on the surfaces of the extension plate 7 and the telescopic frame 1, and a positioning bolt 8 is inserted inside the limiting groove.

[0024] The support assembly 5 is clamped on the bottom of the telescopic frame 1, and then the stabilizing plate 52 is installed on the ground. The oblique plates 53 on both sides of the surface of the stabilizing plate 52 support the support rod 51 to improve the stability of the support rod 51. When the oblique plates 53 support the support rod 51, the cross bars 54 between the support rods 51 can limit the distance between the support rods 51, and further fix the support rods 51. Then, the personnel adjusts the telescopic frame 1 to the same height as the propaganda board 6, and then places the propaganda board 6 inside the telescopic frame 1. The baffle 4 supports the propaganda board 6. After the propaganda board 6 is placed, the personnel rotates the rotating plate 32 and limits it by the limiting bolt 33. After limiting, the baffle plate 35 at one end of the threaded rod 34 is used to clamp the propaganda board 6.

[0025] like Figures 1 to 4 As shown, the limit assembly 3 includes mounting seats 31 fixedly mounted on both sides of the telescopic frame 1, a rotating plate 32 is rotatably connected between the mounting seats 31, positioning grooves are provided on both sides of the surface of the rotating plate 32, and the internal threads of the positioning grooves are connected to limit bolts 33, a threaded groove is provided on one side of the rotating plate 32, a threaded rod 34 is penetrated by the internal threads of the threaded groove, and one end of the threaded rod 34 is rotatably connected to a stop plate 35.

[0026] During use, personnel rotate the rotating plate 32 through the mounting seat 31, and after rotation, use the limiting bolt 33 to fix the rotating plate 32 on the surface of the telescopic frame 1, and then rotate the threaded rod 34 through the rotating plate 32. The support plate 35 at one end of the threaded rod 34 will clamp the promotional board 6, making it convenient for personnel to quickly disassemble the promotional board 6.

[0027] like Figures 1 to 4As shown, the support assembly 5 includes a support rod 51 which is clamped on both sides of the bottom of the telescopic frame 1, a stabilizing plate 52 is fixedly installed at the bottom of the support rod 51, oblique plates 53 are fixedly installed on both sides of the surface of the stabilizing plate 52, a cross bar 54 is fixedly installed between the support rods 51, a connecting plate is fixedly installed on the surface of the support rod 51, connecting bolts are threaded through the four corners of the surface of the connecting plate, and restraining grooves are opened on both sides of the stabilizing plate 52, and the internal threads of the restraining grooves are penetrated by mounting bolts for fixing the stabilizing plate 52.

[0028] During use, personnel clamp the support rod 51 on both sides of the bottom of the telescopic frame 1, and then the inclined plates 53 on both sides of the support rod 51 will support the support rod 51 through the stabilizing plate 52, and the cross bar 54 between the support rods 51 will limit the support rod 51, thereby reducing the shaking of the support rod 51, improving the stability of the propaganda board 6 during use, and reducing the occurrence of tilting of the propaganda board 6.

[0029] The working principle and use process of the utility model are as follows: the support assembly 5 is clamped on the bottom of the telescopic frame 1, and then the stabilizing plate 52 is installed on the ground. The oblique plates 53 on both sides of the surface of the stabilizing plate 52 support the support rod 51 to improve the stability of the support rod 51. When the oblique plates 53 support the support rod 51, the cross bars 54 between the support rods 51 can limit the distance between the support rods 51, and further fix the support rods 51. Then, the personnel adjusts the telescopic frame 1 to the same height as the propaganda board 6, and then places the propaganda board 6 inside the telescopic frame 1. The baffle 4 supports the propaganda board 6. After the propaganda board 6 is placed, the personnel rotates the rotating plate 32 and limits it by the limiting bolt 33. After limiting, the blocking plate 35 at one end of the threaded rod 34 is used to clamp the propaganda board 6.

[0030] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0031] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. An EPC project bidding information bulletin board, comprising a telescopic frame (1), characterized in that: A shielding plate (2) is fixedly mounted on the top of the telescopic frame (1), limiting components (3) are fixedly mounted on both sides of the surface of the telescopic frame (1), baffles (4) are fixedly mounted on both sides of the interior of the telescopic frame (1), snap-fitting grooves are provided on both sides of the bottom of the telescopic frame (1), supporting components (5) are fixedly mounted inside the snap-fitting grooves, and a publicity board (6) is provided inside the telescopic frame (1).

2. The EPC project bidding information bulletin board according to claim 1, characterized in that: A sliding groove is provided in the middle of the telescopic frame (1), an extension plate (7) is slidably connected to the interior of the sliding groove, and limiting grooves are provided on the surfaces of the extension plate (7) and the telescopic frame (1), and a positioning bolt (8) is inserted into the interior of the limiting groove.

3. The EPC project bidding information bulletin board according to claim 1, characterized in that: The limit assembly (3) comprises mounting seats (31) fixedly mounted on both sides of the telescopic frame (1); a rotating plate (32) is rotatably connected between the mounting seats (31); positioning grooves are provided on both sides of the surface of the rotating plate (32); the internal threads of the positioning grooves are connected to limiting bolts (33); a thread groove is provided on one side of the rotating plate (32); a threaded rod (34) penetrates the internal threads of the thread groove; one end of the threaded rod (34) is rotatably connected to a stop plate (35).

4. The EPC project bidding information bulletin board according to claim 1, characterized in that: The support assembly (5) comprises support rods (51) clamped on both sides of the bottom of the telescopic frame (1); a stabilizing plate (52) is fixedly mounted on the bottom of the support rods (51); oblique plates (53) are fixedly mounted on both sides of the surface of the stabilizing plate (52); and a crossbar (54) is fixedly mounted between the support rods (51).

5. The EPC project bidding information bulletin board according to claim 4 is characterized by: A connecting plate is fixedly mounted on the surface of the support rod (51), and connecting bolts are threadedly penetrated at the four corners of the surface of the connecting plate.

6. The EPC project bidding information bulletin board according to claim 1, characterized in that: The top of the telescopic frame (1) is provided with a groove, the size of which is adapted to the supporting block at the bottom of the shielding plate (2).

7. The EPC project bidding information bulletin board according to claim 4, characterized in that: Constraint grooves are provided on both sides of the stabilizing plate (52), and mounting bolts for fixing the stabilizing plate (52) penetrate the internal threads of the constraint grooves.

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