Prestress locking device and method for prefabricated raw material homogenizing silo

Abstract

The invention provides an assembly type raw material homogenizing silo prestress locking device and method, and belongs to the technical field of raw material homogenizing silo locking. The assembly type raw material homogenizing silo prestress locking device comprises a plurality of silo annular pieces which are sequentially arranged in a butt joint mode in the vertical direction; each silo annular piece comprises a plurality of installation pieces which are in butt joint in the circumferential direction and form an annular structure, and each locking and buckling mechanism comprises a vertical locking and buckling assembly arranged between the adjacent silo annular pieces and used for vertically tensioning the silo annular pieces and a transverse locking and buckling assembly arranged between the adjacent installation pieces. The vertical lock catch assemblies and the transverse lock catch assemblies are used for tensioning the mounting pieces forming the silo structure in the vertical direction and the circumferential direction correspondingly, an integral tensioning structure can be formed on the periphery of the silo structure, and therefore it is guaranteed that every two adjacent mounting pieces have high connecting strength in the vertical direction and the circumferential direction; the problems that in the prior art, a screw rod is prone to loosening and being damaged in the mode of achieving installation piece connection are solved.

Description

Technical Field

[0001] The present invention relates to the technical field of raw meal homogenization silos, and in particular to a prestressed locking device and method for a prefabricated raw meal homogenization silo. Background Art

[0002] The cement raw meal homogenization silo is a core piece of equipment in the dry process cement production. It is primarily used to store and homogenize raw meal, ensuring a stable composition of the raw meal entering the kiln, thereby stabilizing the kiln's thermal system and improving clinker quality. The raw meal homogenization silo primarily serves the following functions: 1. Homogenization: Through the dual effects of gravity cutting (funnel effect) and aeration mixing, fluctuations in the composition of the raw meal leaving the mill are eliminated; 2. Production efficiency improvement: Optimizing kiln system operational stability and reducing energy consumption; 3. Maximizing storage capacity utilization: Preventing uneven material accumulation and increasing effective capacity.

[0003] Existing cement raw meal homogenization silos generally adopt an assembled structure. During installation, the mounting plates that make up the silo structure are first assembled into multiple ring structures. Then, the aforementioned ring structures are hoisted and assembled in sequence using lifting equipment to form the final silo structure. However, existing silo structures generally use screws to connect the mounting plates and the ring structures. Because the silo is affected by horizontal and vertical external forces during operation, the use of ordinary screw connections may affect the overall structural strength of the silo due to loosening or damage. Summary of the Invention

[0004] The present invention provides a prestressed locking device and method for an assembled raw meal homogenization silo, which ensures that two adjacent mounting plates have high connection strength in both vertical and circumferential directions, and solves the problem that the screw rod is easy to loosen and be damaged in the existing method of connecting the mounting plates.

[0005] In order to solve the above technical problems, the present invention adopts the following technical solutions:

[0006] Prestressed locking device for assembled raw meal homogenization silo, including:

[0007] A silo ring member, wherein the silo ring member is a plurality of silo ring members that are vertically butted together in sequence, and the silo ring member includes a plurality of mounting plates that are circumferentially butted together to form a ring structure; and

[0008] The locking mechanism includes a vertical locking assembly arranged between adjacent silo rings for vertically tensioning the silo rings and a transverse locking assembly arranged between adjacent mounting plates for circumferentially tensioning the mounting plates.

[0009] Preferably, the mounting piece is bent vertically inward as a whole.

[0010] Preferably, the two diverging surfaces of the mounting piece distributed along the axial direction of the silo form a matching first concave surface and a first convex surface.

[0011] Preferably, the two facing away surfaces of the mounting piece distributed along the circumference of the silo form a matching second concave surface and second convex surface.

[0012] Preferably, the vertical locking components are multiple groups arranged between the first concave surface and the first convex surface of two adjacent mounting plates.

[0013] Preferably, the transverse locking components are multiple groups arranged between the second concave surface and the second convex surface of two adjacent mounting plates.

[0014] Preferably, the vertical locking assembly and the horizontal locking assembly both include a locking assembly, which includes a fitting portion fixedly connected to the mounting plate, a connecting portion extending from the fitting portion in a direction away from the mounting plate, an installation portion arranged at one end of the connecting portion away from the fitting portion and distributed parallel to the fitting portion, and a fastener arranged along the length direction of the installation portion.

[0015] Preferably, the fastener includes a prestressed anchor cable distributed throughout the mounting portion and prestressed wedges arranged on both end surfaces of the mounting portion and along the periphery of the prestressed anchor cable.

[0016] The method for using the aforementioned prestressed locking device for the assembled raw meal homogenization silo comprises the following steps:

[0017] S10: several mounting plates are butted together along the circumferential direction to form a silo ring member, and two adjacent mounting plates are tightened by a transverse locking assembly;

[0018] S20: forming a plurality of silo ring parts in sequence according to the above S10;

[0019] S30: A plurality of silo ring members are vertically butted together to form a silo structure, and two vertically adjacent mounting plates are tensioned by a vertical locking assembly.

[0020] It can be seen from the above technical solution that the present invention has the following beneficial effects: in the present invention, the mounting plates are connected along the circumferential direction to form a silo ring member, and the two adjacent mounting plates are tensioned by the transverse locking assembly. After the bottom layer of the silo ring member is formed, a number of silo ring members for docking are formed, and then the several silo ring members are connected vertically in sequence by using lifting equipment to form the final silo structure, and the vertical locking assembly is used to tension the two adjacent mounting plates between the silo ring members of each layer. In this way, the present invention uses the vertical locking assembly and the transverse locking assembly to tension the mounting plates constituting the silo structure vertically and circumferentially respectively, so that an integral tensioning structure can be formed on the periphery of the silo structure to ensure that the two adjacent mounting plates have high connection strength in both vertical and circumferential directions, thereby solving the problem that the screw rods in the existing technology of connecting the mounting plates are easy to loosen and be damaged. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 Schematic diagram of the connection between the mounting plate, the vertical locking assembly and the horizontal locking assembly in the present invention;

[0022] Figure 2 A schematic diagram of the structure of the connection between the vertical locking assembly or the horizontal locking assembly and the mounting plate;

[0023] Figure 3 This is a flow chart of a method for using the prestressed locking device for the assembled raw meal homogenization silo provided by the present invention;

[0024] Figure 4 This is the overall schematic diagram of the raw meal homogenization silo.

[0025] In the figure: 110, mounting plate; 111, first concave surface; 112, first convex surface; 113, second concave surface; 114, second convex surface; 115, fitting portion; 116, connecting portion; 117, mounting portion; 118, prestressed anchor cable; 119, prestressed wedge; 210, vertical locking assembly; 220, horizontal locking assembly. DETAILED DESCRIPTION

[0026] A preferred embodiment of the present invention will be described in detail below with reference to the accompanying drawings.

[0027] To achieve the above objectives, the embodiments of the present invention adopt the following technical solutions: Figure 1 、 Figure 4, the prestressed locking device of the assembled raw meal homogenization silo includes a silo ring and a locking mechanism, wherein the number of the silo ring is several, and the several silo rings are sequentially butt-jointed in the vertical direction to form the main structure of the raw meal homogenization silo. Further, the silo ring includes several mounting plates 110. Specifically in this embodiment, the size of the mounting plate is 4mx2m, and the several mounting plates 110 are in the form of circumferential butt-jointed and finally form an integral annular structure. Similarly, the locking mechanism includes a vertical locking assembly 210 and a horizontal locking assembly 220. The vertical locking assembly 210 is arranged between adjacent silo rings, and the vertical locking assembly is used to vertically tension adjacent silo rings. The horizontal locking assembly 220 is arranged between adjacent mounting plates, and the horizontal locking assembly 220 is used to circumferentially tension adjacent mounting plates. It should be noted that the vertical locking component 210 and the horizontal locking component 220 in this embodiment are both arranged on the outer surface of the mounting plate 10, and are used to realize the connection between two adjacent mounting plates. When in use, several mounting plates are first connected along the circumferential direction to form a silo ring. During this connection process, the two adjacent mounting plates are tensioned by the horizontal locking component. After several silo rings are formed, the several silo rings are connected vertically in sequence by using lifting equipment to form a silo structure, and the two adjacent mounting plates are tensioned by the vertical locking component. In the embodiment of the present application, the vertical locking component and the horizontal locking component are used to tension the mounting plates constituting the silo structure vertically and circumferentially respectively, so as to ensure that the two adjacent mounting plates have high connection strength in both vertical and circumferential directions, so as to solve the problem that the screw rods in the existing technology of realizing the connection of the mounting plates are easy to loosen and be damaged.

[0028] Reference Figure 1 As a preferred technical solution of this embodiment, the mounting piece 110 is bent vertically inward as a whole, that is, the mounting piece in this embodiment is slightly curved vertically inward as a whole, so that the slightly curved mounting piece can be used to form a silo ring.

[0029] Furthermore, the two diverging surfaces of the mounting piece 110 distributed along the axial direction of the silo form a matching first concave surface 111 and a first convex surface 112. At the same time, the two diverging surfaces of the mounting piece 110 distributed along the circumference of the silo form a matching second concave surface 113 and a second convex surface 114. That is, as far as the mounting piece of this embodiment is concerned, its two diverging surfaces along the vertical and circumferential directions of the silo are in a concave-convex matching form. In this way, when the mounting piece is assembled, the first concave surface of one of the mounting pieces can be used to match the first convex surface of another mounting piece in the same vertical direction to achieve the fitting of the two vertical mounting pieces; at the same time, the first concave surface of one of the mounting pieces can be used to match the second convex surface of another mounting piece in the circumferential direction to achieve the fitting of the two circumferential mounting pieces.

[0030] Reference Figure 1 、 Figure 2In some embodiments, the vertical locking components 210 are provided in multiple groups, and the multiple groups of vertical locking components are arranged between the first concave surface 111 and the first convex surface 112 of two adjacent mounting pieces 110. Similarly, the horizontal locking components 220 are also provided in multiple groups, and the multiple groups of horizontal locking components are arranged between the second concave surface 113 and the second convex surface 114 of two adjacent mounting pieces 110.

[0031] Furthermore, multiple groups of vertical locking components 210 are arranged at intervals along the length direction of the first concave surface 111 and the first convex surface 112, so that the vertical connection of two adjacent mounting plates can be achieved through multi-point contact; similarly, multiple groups of horizontal locking components 220 are arranged at intervals along the length direction of the second concave surface 113 and the second convex surface 114, so that the circumferential connection of two adjacent mounting plates can also be achieved through multi-point contact.

[0032] In some embodiments, the vertical locking assembly 210 and the horizontal locking assembly 220 have the same structure, and both include a locking assembly. Specifically, the locking assembly includes a fitting portion 115, a connecting portion 116, a mounting portion 117 and a fastener. The fitting portion 115 is fixedly connected to the mounting plate 110, and the connecting portion 116 extends from the fitting portion in a direction away from the mounting plate. The mounting portion 117 is arranged at an end of the connecting portion away from the fitting portion 115, and the mounting portion 117 is distributed parallel to the fitting portion, and the fastener is arranged along the length direction of the mounting portion. It should be noted that the fitting portion, the connecting portion and the mounting portion can be integrally formed, and the three form an integrated "I"-shaped structure, and the fitting portion and a part of the connecting portion can be directly cast on the mounting plate during casting.

[0033] Furthermore, the fastener includes a prestressed anchor cable 118 and a prestressed wedge 119. The prestressed anchor cable 118 is distributed throughout the length direction of the mounting portion 117, and the prestressed wedge 119 is arranged at both end faces of the mounting portion, and the prestressed wedge is arranged along the periphery of the prestressed anchor cable. It should be noted that when assembling the locking assembly, the two ends of the prestressed steel bar are respectively passed through the mounting portion, and then the prestressed wedge 119 passes through the prestressed steel bar and is inserted into the end face of the mounting portion. The prestressed wedge is fixed by an external limiter, and the prestressed steel bar is tensioned by a hydraulic tensioning device to apply prestress to the prestressed steel bar. In this way, after the prestressed steel bars on both sides of the mounting portion are tensioned respectively, the prestressed steel bars on both sides of the mounting portion can apply opposite pulling forces to the adjacent mounting plates respectively, so as to improve the connection strength between the two adjacent mounting plates.

[0034] In addition, since the prestressed wedges are fixed to the end faces of the mounting portion and do not move during tensioning, after the tensioning force is released, the prestressed steel bars on both sides of the mounting portion will tend to move toward each other under the action of their own restoring force. This movement trend will exert a force on the prestressed wedges on both sides to move toward each other, thereby firmly fixing the prestressed wedges on both sides of the mounting portion.

[0035] When assembling the locking assembly with two adjacent mounting plates 10, the aforementioned interlocking portion, connecting portion, and mounting portion are first prepared, and prestressed steel bars and prestressed wedges are formed on both sides of the mounting portion. Since the locking assembly is generally in the shape of an "I", with the vertical centerline of the "I"-shaped locking assembly as the axis of symmetry, one half of the locking assembly is assembled and fixed to the mounting surface of one mounting plate. Then, an external lifting device is used to lift the other mounting plate that mates with the first mounting plate, and the other half of the locking assembly is assembled and fixed to the other mounting plate, thus completing the assembly of the two adjacent mounting plates.

[0036] During use, several mounting plates 110 are first butted together circumferentially to form a silo ring, and two adjacent mounting plates 110 are tensioned by the transverse locking assembly 220. After several silo rings are formed, several silo rings are vertically butted together in sequence using lifting equipment to form a silo structure, and the two adjacent mounting plates 110 are tensioned by the vertical locking assembly 210. In the embodiment of the present application, the vertical locking assembly 210 and the transverse locking assembly 220 are used to tension the mounting plates 110 constituting the silo structure vertically and circumferentially, respectively, to ensure that the two adjacent mounting plates 110 have a high connection strength in both the vertical and circumferential directions, and to form an integral tensioning structure on the periphery of the silo structure, so as to solve the problem that the screws in the existing technology for connecting the mounting plates are easy to loosen and be damaged.

[0037] Reference Figure 3 The present application also provides a method for using a prestressed locking device for a prefabricated raw meal homogenization silo, comprising the following steps:

[0038] S10: several mounting plates are butted together along the circumferential direction to form a silo ring member, and two adjacent mounting plates are tensioned by a transverse locking assembly.

[0039] S20: forming a plurality of silo ring parts in sequence according to the above S10.

[0040] S30: A plurality of silo ring members are vertically butted together to form a silo structure, and two vertically adjacent mounting plates are tensioned by a vertical locking assembly.

[0041] Furthermore, the method for using the prestressed locking device of the assembled raw meal homogenization silo also includes the step of preparing a locking assembly, including the following steps:

[0042] S00: preparing an integrated structure including a fitting portion, a connecting portion and a mounting portion.

[0043] S01: Prestressed steel bars extending to both end faces of the installation portion are formed on the installation portion, and prestressed wedges pass through the prestressed steel bars and are inserted into the end faces of the installation portion.

[0044] S02: Use the external limiter to fix the prestressed wedge and use the hydraulic tensioning equipment to tension the prestressed steel bars. After the tensioning is completed, remove the limiter and the hydraulic tensioning equipment.

[0045] S03: Based on the above operations, the prestressed steel bars on both sides of the installation part are tensioned.

[0046] In this way, by applying prestress to the prestressed steel bars on both sides of the installation part, after the tensioning force is released, the prestressed steel bars on both sides of the installation part can apply opposite tension to the adjacent installation pieces respectively to improve the connection strength between the two adjacent installation pieces.

[0047] The above-described embodiments are merely descriptions of preferred embodiments of the present invention and are not intended to limit the scope of the present invention. Without departing from the design spirit of the present invention, various modifications and improvements made to the technical solutions of the present invention by ordinary technicians in this field should fall within the scope of protection determined by the claims of the present invention.

Claims

1. Prestressed locking device for assembled raw meal homogenization silo, characterized by: include: A silo ring member, wherein the silo ring member is a plurality of silo ring members that are arranged in a vertical direction in sequence and connected to each other, and the silo ring member includes a plurality of mounting plates (110) that are connected to each other in a circumferential direction and form a ring structure; and The locking mechanism comprises a vertical locking assembly (210) arranged between adjacent silo rings for vertically tensioning the silo rings, and a transverse locking assembly (220) arranged between adjacent mounting plates for circumferentially tensioning the mounting plates.

2. The prestressed locking device for the assembled raw meal homogenization silo according to claim 1 is characterized in that: The mounting piece (110) is bent vertically inward as a whole.

3. The prestressed locking device for the assembled raw meal homogenization silo according to claim 2 is characterized in that: The two diverging surfaces of the mounting piece (110) distributed along the axial direction of the silo form a matched first concave surface (111) and a first convex surface (112).

4. The prestressed locking device for the assembled raw meal homogenization silo according to claim 3 is characterized in that: The two diverging surfaces of the mounting piece (110) distributed along the circumference of the silo form a matched second concave surface (113) and a second convex surface (114).

5. The prestressed locking device for the assembled raw meal homogenization silo according to claim 4 is characterized in that: The vertical locking components (210) are multiple groups arranged between the first concave surface (111) and the first convex surface (112) of two adjacent mounting plates (110).

6. The prestressed locking device for the assembled raw meal homogenization silo according to claim 5 is characterized in that: The transverse locking components (220) are multiple groups arranged between the second concave surface (113) and the second convex surface (114) of two adjacent mounting plates (110).

7. The prestressed locking device for the assembled raw meal homogenization silo according to claim 6 is characterized in that: The vertical locking assembly (210) and the horizontal locking assembly (220) both include a locking assembly, wherein the locking assembly includes a fitting portion (115) fixedly connected to the mounting plate (110), a connecting portion (116) extending from the fitting portion in a direction away from the mounting plate, a mounting portion (117) arranged at one end of the connecting portion away from the fitting portion (115) and distributed parallel to the fitting portion, and a fastener arranged along the length direction of the mounting portion.

8. The prestressed locking device for the assembled raw meal homogenization silo according to claim 7 is characterized in that: The fastener comprises a prestressed anchor cable (118) distributed throughout the mounting portion (117) and prestressed wedges (119) arranged on both end surfaces of the mounting portion and along the periphery of the prestressed anchor cable.

9. The method for using the prestressed locking device for the assembled raw meal homogenization silo according to any one of claims 1 to 8, characterized in that: The following steps are involved: S10: several mounting plates are butted together along the circumferential direction to form a silo ring member, and two adjacent mounting plates are tightened by a transverse locking assembly; S20: forming a plurality of silo ring parts in sequence according to the above S10; S30: A plurality of silo ring members are vertically butted together to form a silo structure, and two vertically adjacent mounting plates are tensioned by a vertical locking assembly.

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