Main beam structure of double-beam bridge crane
By using a split main beam structure and combined connection method, the problems of high manufacturing difficulty and deformation of the main beam of the double-beam bridge crane are solved, and convenient disassembly and enhanced load-bearing capacity are achieved.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-05-13
- Publication Date
- 2026-03-20
AI Technical Summary
The existing double-girder bridge crane has a one-piece main beam structure, which is difficult to manufacture, bulky, and inconvenient to transport. It is also prone to deformation when bearing heavy loads.
The main beam structure is split, and the main beams are detachably connected and reinforced by a combination of insert components, connecting components, reinforcing steel plates and fixing bolts, thereby enhancing the load-bearing capacity.
It enables convenient disassembly and transportation of the main beam structure, improves load-bearing capacity, and reduces the risk of deformation.
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Figure CN224015178U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to double-beam bridge crane technical field, concretely relates to a main beam structure of double-beam bridge crane. BACKGROUND
[0002] The bridge crane is the hoisting equipment of material that is crossed in workshop, warehouse and material yard and is hoisted. Because its both ends are located on the high cement column or metal support, it is similar to the bridge. The bridge crane is longitudinally moved along the track that is laid on the high support of both sides, can utilize the space under the bridge to hoist the material, and is not hindered by the ground equipment. It is the most widely used and the most numerous hoisting machinery. The double-beam bridge crane is characterized in that the double-beam is used to support the crane, the both ends of the double-beam are connected with the walking beam, the walking beam is longitudinally moved, the crane on the double-beam is transversely moved to realize the transverse displacement, the double-beam supporting the crane has the advantages of improving the walking stability of the crane and has the advantage of large carrying capacity. The prior art has the following problems:
[0003] The main beam structure of the existing double-beam bridge crane is usually an integral structure. Because the length of the main beam is long, the difficulty of manufacturing is large, the whole is heavy, the transportation is not convenient, and the main beam structure is easily deformed due to the heavy load in use. UTILITY MODEL CONTENT
[0004] The utility model provides a main beam structure of double-beam bridge crane to solve the problems in the above background technology.
[0005] To solve the above technical problems, the technical scheme adopted by the utility model is:
[0006] A main beam structure of double-beam bridge crane, including two main beam structures, the left side of the front and rear ends of the main beam structure is respectively provided with an insertion assembly, the right side of the front and rear ends of the main beam structure is respectively provided with a connecting assembly, the upper and lower sides of the adjacent end of the two main beam structures are respectively provided with a reinforcing steel plate, the upper and lower sides of the main beam structure are respectively provided with two reinforcing members, the opposite faces of the two main beam structures are respectively provided with two fixed bolts one, the upper and lower ends of the two reinforcing steel plates are respectively provided with a plurality of fixed bolts two, and the outside of the plurality of fixed bolts two is penetrated into the inside of the main beam structure.
[0007] The further improvement of the technical scheme of the utility model is that the main beam structure includes two longitudinal beams and a cross beam, the left and right ends of the cross beam are fixedly connected to the middle parts of the inner walls of the two longitudinal beams, the outer sides of the upper and lower ends of the two longitudinal beams close to the reinforcing members are respectively provided with threaded holes one, the outer sides of the upper and lower ends of the middle part of the cross beam close to the reinforcing members are respectively provided with threaded holes two, and the threaded holes one and the threaded holes two are arranged on the same horizontal plane.
[0008] The further improvement of the utility model technical scheme lies in: the left and right two reinforcing members are arranged on the inner side of the upper and lower ends of the cross beam close to the longitudinal beam, the reinforcing member comprises a reinforcing plate and a plurality of bearing frames, the bearing frame is arranged in a triangular shape, and the bottom of the plurality of bearing frames is fixedly connected to the upper surface of the reinforcing plate in equal intervals.
[0009] The further improvement of the utility model technical scheme lies in: the lower surface of the reinforcing plate is fixedly connected to the upper surface of the cross beam.
[0010] The further improvement of the utility model technical scheme lies in: the inserting assembly comprises a mounting plate and a plug, one end of the plug is fixedly connected to the end of the mounting plate away from the connecting assembly, upper and lower through insertion holes are formed in the front and rear sides of the top of the plug, the connecting assembly comprises a connecting plate and a sleeve, the sleeve is arranged in a back shape, one end of the sleeve is fixedly connected to the end of the connecting plate away from the inserting assembly, upper and lower through fixing holes are formed in the front and rear sides of the top of the sleeve.
[0011] The further improvement of the utility model technical scheme lies in: one end of the mounting plate and the connecting plate is fixedly connected to the front and rear sides of the outer wall of the longitudinal beam, the outer wall of the plug is inserted into the inner part of the sleeve, and the insertion holes and the fixing holes are in communication with each other.
[0012] The further improvement of the utility model technical scheme lies in: the outer part of the reinforcing steel plate is the same as the shape of the outer wall of the main beam structure, the inner wall of the reinforcing steel plate is overlapped on the surface of the main beam structure close to the outer side of the reinforcing member, upper and lower through positioning holes one are formed in the front and rear sides of the middle part of the reinforcing steel plate, two upper and lower through positioning holes two are formed in the left and right sides of the reinforcing steel plate close to the positioning holes one, two positioning holes three are formed in the outer wall of the reinforcing steel plate close to the positioning holes two, and the positioning holes one, the positioning holes two and the positioning holes three are arranged on the same horizontal plane.
[0013] The further improvement of the utility model technical scheme lies in: the positioning holes one, the positioning holes two and the positioning holes three are arranged on the same vertical line with the threaded holes two, the threaded holes one and the fixing holes, the outer wall bottom of the fixed bolt one is penetrated to the bottom of the sleeve through the inner part of the positioning holes three, the fixing holes and the insertion holes, the outer wall bottom of the fixed bolt one is threadedly connected with a nut, and the outer wall of the plurality of fixed bolts two is threadedly connected with the inner part of the threaded holes two and the threaded holes one through the positioning holes one, the positioning holes two and the positioning holes three.
[0014] Due to the adoption of the above technical scheme, the utility model has the following technical progress compared with the prior art:
[0015] 1. The utility model provides a double beam bridge crane's main beam structure adopts the cooperation between main beam structure, inserts subassembly, connecting assembly, reinforcing steel sheet, fixed bolt no. 1 and fixed bolt no. 2, through the connection of inserts subassembly and connecting assembly in adjacent two main beam structures, then again through two reinforcing steel sheets cover the connecting place of adjacent two main beam structures and use fixed bolt no. 1 and fixed bolt no. 2 and install fixed, thereby the installation between adjacent two main beam structures is convenient, and the convenient disassembly and transfer are convenient, the main beam structure of existing double beam bridge crane is usually integral type structure, because the length of such main beam is longer, so the difficulty of making is greater, and the whole is relatively cumbersome, and the inconvenient transfer problem is solved, reaches the beneficial effect that the multiple main beam structures are assembled and disassembled conveniently.
[0016] 2. The utility model provides a double beam bridge crane's main beam structure adopts the cooperation between main beam structure and reinforcing piece, through the reinforcing piece and reinforces the bearing capacity between longitudinal beam and crossbeam in main beam structure, the problem that main beam structure is easy to change when using because the force of bearing is heavy is solved, reaches the beneficial effect that the bearing capacity of main beam structure is improved, and change is not easy. DRAWINGS
[0017] Figure 1 It is the main beam structure three-dimensional structure schematic diagram of double beam bridge crane of the utility model;
[0018] Figure 2 It is the main beam structure three-dimensional structure schematic diagram of the utility model;
[0019] Figure 3 It is inserts subassembly and connecting assembly three-dimensional structure schematic diagram of the utility model;
[0020] Figure 4 It is reinforcing steel sheet three-dimensional structure schematic diagram of the utility model;
[0021] Figure 5 It is the main beam structure three-dimensional structure installation schematic diagram of the utility model.
[0022] In the drawing: 1, main beam structure; 11, longitudinal beam; 110, thread hole no. 1; 12, crossbeam; 120, thread hole no. 2; 2, inserts subassembly; 21, installation plate; 22, plugboard; 220, jack; 3, connecting assembly; 31, connecting plate; 32, sleeve; 320, fixed hole; 4, reinforcing steel sheet; 401, positioning hole no. 1; 402, positioning hole no. 2; 403, positioning hole no. 3; 5, reinforcing piece; 51, reinforcing plate; 52, bearing frame; 6, fixed bolt no. 1; 61, nut; 7, fixed bolt no. 2. SPECIFIC IMPLEMENTATION
[0023] In order to make the technical means, creation characteristics, purposes and effects of the utility model easy to understand, the utility model is further described below in combination with specific embodiments.
[0024] As shown in Figure 1 The utility model provides a main beam structure of double beam bridge type crane, including two main beam structure 1, the left side of two ends of main beam structure 1 is provided with and inserts component 2 respectively, the right side of two ends of main beam structure 1 is provided with and connects component 3 respectively, the upper and lower sides of adjacent one end of two main beam structure 1 are provided with reinforcing steel sheet 4 respectively, the upper and lower sides of main beam structure 1 are provided with two reinforcing members 5 respectively, the opposite sides of two main beam structure 1 are provided with two fixed bolts one 6 respectively, the upper and lower ends of two reinforcing steel sheet 4 are provided with a plurality of fixed bolts two 7, and the outside of a plurality of fixed bolts two 7 is all penetrated to the inside of main beam structure 1.
[0025] Setting up main beam structure 1, inserts component 2, connects component 3, reinforcing steel sheet 4, reinforcing member 5, fixed bolt one 6 and fixed bolt two 7, through the cooperation operation of inserts component 2 and connects component 3, it is convenient to connect between two adjacent main beam structure 1, then using reinforcing steel sheet 4 to reinforce the junction between two main beam structure 1, and sequentially using fixed bolt one 6 and fixed bolt two 7 to install and fix between two main beam structure 1.
[0026] As shown in Figure 2 The utility model provides a kind of main beam structure technical scheme of double beam bridge type crane: main beam structure 1 includes two longitudinal beams 11 and crossbeam 12, the left and right ends of crossbeam 12 are respectively fixedly connected in the middle of the inner wall of two longitudinal beams 11, the outer side of the upper and lower ends of two longitudinal beams 11 is respectively provided with thread hole one 110 close to reinforcing member 5, the upper and lower ends of the middle of crossbeam 12 are respectively provided with thread hole two 120 close to the outer side of reinforcing member 5, thread hole one 110 and thread hole two 120 are set on the same horizontal plane, thread hole one 110 and thread hole two 120 are set on main beam structure 1, it is convenient to install reinforcing steel sheet 4, left and right two reinforcing members 5 are respectively set on the inner side of the upper and lower ends of crossbeam 12 close to longitudinal beam 11, reinforcing member 5 includes reinforcing plate 51 and a plurality of load-bearing frame 52, load-bearing frame 52 is set to triangle shape, setting load-bearing frame 52, the load-bearing between the included angle of longitudinal beam 11 and crossbeam 12 can be further reinforced, the bottom of a plurality of load-bearing frame 52 is equally spaced array fixedly connected on the upper surface of reinforcing plate 51, the lower surface of reinforcing plate 51 is respectively fixedly connected on the upper surface of crossbeam 12.
[0027] As shown in Figure 3The utility model provides a kind of main beam structure of double-beam bridge crane technical scheme shown in the utility model: insert component 2 includes mounting plate 21 and plugboard 22, one end of plugboard 22 is fixedly connected in the end of mounting plate 21 away from connecting component 3, the front and rear sides of the top of plugboard 22 are respectively provided with the plug hole 220 that passes through up and down, connecting component 3 includes connecting plate 31 and sleeve 32, sleeve 32 is set to back shape, one end of sleeve 32 is fixedly connected in the end of connecting plate 31 away from insert component 2, the front and rear sides of the top of sleeve 32 are respectively provided with the fixed hole 320 that passes through up and down, the end of mounting plate 21 and connecting plate 31 is respectively fixedly connected in the front and rear sides of the outer wall of longitudinal beam 11, the outer wall of plugboard 22 is inserted with the inside of sleeve 32, plugboard 22 is inserted into the sleeve 32 in another main beam structure 1, to facilitate the connection between the two main beam structures 1, the inside of plug hole 220 and fixed hole 320 is interconnected.
[0028] As shown in the utility model, Figure 4 The utility model provides a kind of main beam structure of double-beam bridge crane technical scheme: the outer wall shape of reinforcing steel plate 4 is same with the outer wall of main beam structure 1, the inner wall of reinforcing steel plate 4 is overlapped on the surface of main beam structure 1 and is close to the outside of reinforcing part 5, the front and rear sides of the middle part of reinforcing steel plate 4 are provided with the positioning hole one 401 that passes through up and down, the left and right sides of reinforcing steel plate 4 close to positioning hole one 401 are respectively provided with two positioning hole two 402 that pass through up and down, the outer wall of reinforcing steel plate 4 close to positioning hole two 402 is respectively provided with two positioning hole three 403, positioning hole one 401, positioning hole two 402 and positioning hole three 403 are set to same horizontal plane, the junction between the two main beam structures 1 is reinforced by reinforcing steel plate 4, and the load bearing between the two main beam structures 1 is increased.
[0029] As shown in the utility model, Figure 5 The utility model provides a kind of main beam structure of double-beam bridge crane technical scheme: positioning hole one 401, positioning hole two 402 and positioning hole three 403 are respectively set on same vertical line with screw hole two 120, screw hole one 110 and fixed hole 320, the bottom of the outer wall of fixed bolt one 6 is respectively threaded through the inside of positioning hole three 403, fixed hole 320 and plug hole 220 to the bottom of sleeve 32, the bottom of the outer wall of fixed bolt one 6 is threadedly connected with nut 61, the outer wall of a plurality of fixed bolt two 7 is threadedly connected with the inside of screw hole two 120 and screw hole one 110 respectively through positioning hole one 401, positioning hole two 402 and positioning hole three 403, the two main beam structures 1 are connected and fixed by using fixed bolt one 6 and fixed bolt two 7 respectively, and it is convenient to disassemble when transporting.
[0030] The working principle of the main beam structure of the double-beam bridge crane will be described in detail below.
[0031] As shown in the utility model, Figures 1-5As shown, when assembling the main beam structure in the double-beam bridge crane, first, when assembling the multiple main beam structures 1, the two side insertion plates 22 are respectively inserted into the sleeve 32 of the adjacent end, and then the two reinforcing steel plates 4 are placed on the upper and lower surfaces of the connection of the two main beam structures 1, so that the positioning hole one 401, the positioning hole two 402 and the positioning hole three 403 in the reinforcing steel plate 4 are respectively aligned with the threaded hole two 120, the threaded hole one 110 and the fixed hole 320, then the fixed bolt one 6 is inserted from top to bottom through the positioning hole three 403 and the insertion hole 220 and out of the bottom of the sleeve 32, then the nut 61 is rotated and positioned on the lower surface of the sleeve 32 along the bottom of the fixed bolt one 6, then the multiple fixed bolts two 7 are sequentially inserted from top to bottom through the positioning hole one 401 and the positioning hole two 402 and screwed into the threaded hole two 120 and the threaded hole one 110 for fixing, so as to complete the installation between the two adjacent main beam structures 1, and when transferring, the main beam structure 1 can be disassembled and transported, and when using, the reinforcing member 5 is used to install between the longitudinal beam 11 and the transverse beam 12 in the main beam structure 1, so that the load bearing of the main beam structure 1 is further improved.
[0032] The specific types and structures used are existing products, and the specific circuit connection structure and control relationship are prior art, which will not be described in detail here.
[0033] The above has made a detailed description of the general utility model, but some modifications or improvements can be made on the basis of the utility model, which is obvious to those skilled in the art. Therefore, without departing from the spirit of the utility model, the modifications or improvements are within the protection scope of the utility model.
Claims
1. A main beam structure for a double-girder bridge crane, comprising two main beam structures (1), characterized in that: The main beam structure (1) has an insertion component (2) on the left side of both the front and rear ends, and a connecting component (3) on the right side of both the front and rear ends. The two main beam structures (1) have a reinforcing steel plate (4) on the upper and lower sides of one adjacent end. The main beam structure (1) has two reinforcing components (5) on the upper and lower sides. The two main beam structures (1) have two fixing bolts (6) on the left and right sides of the opposite face. The two reinforcing steel plates (4) have several fixing bolts (7) on the upper and lower ends. The exterior of the several fixing bolts (7) penetrates into the interior of the main beam structure (1).
2. The main beam structure of a double-girder bridge crane according to claim 1, characterized in that: The main beam structure (1) includes two longitudinal beams (11) and a crossbeam (12). The left and right ends of the crossbeam (12) are fixedly connected to the middle of the inner wall of the two longitudinal beams (11). The upper and lower ends of the two longitudinal beams (11) are respectively provided with threaded holes one (110) near the outer side of the reinforcing member (5). The upper and lower ends of the middle of the crossbeam (12) are respectively provided with threaded holes two (120) near the outer side of the reinforcing member (5). The threaded holes one (110) and the threaded holes two (120) are set on the same horizontal plane.
3. The main beam structure of a double-girder bridge crane according to claim 1, characterized in that: The two reinforcing members (5) are respectively set on the inner side of the upper and lower ends of the crossbeam (12) near the longitudinal beam (11). The reinforcing member (5) includes a reinforcing plate (51) and several load-bearing frames (52). The load-bearing frames (52) are set in a triangular shape. The bottoms of the several load-bearing frames (52) are evenly arrayed and fixedly connected to the upper surface of the reinforcing plate (51).
4. The main beam structure of a double-girder bridge crane according to claim 3, characterized in that: The lower surface of the reinforcing plate (51) is fixedly connected to the upper surface of the crossbeam (12).
5. The main beam structure of a double-girder bridge crane according to claim 1, characterized in that: The insertion assembly (2) includes a mounting plate (21) and an insertion plate (22). One end of the insertion plate (22) is fixedly connected to the end of the mounting plate (21) away from the connecting assembly (3). The insertion plate (22) has through holes (220) on the front and rear sides of its top. The connecting assembly (3) includes a connecting plate (31) and a sleeve (32). The sleeve (32) is U-shaped. One end of the sleeve (32) is fixedly connected to the end of the connecting plate (31) away from the insertion assembly (2). The sleeve (32) has through holes (320) on the front and rear sides of its top.
6. The main beam structure of a double-girder bridge crane according to claim 5, characterized in that: One end of the mounting plate (21) and the connecting plate (31) are respectively fixedly connected to the front and rear sides of the outer wall of the longitudinal beam (11). The outer wall of the insert plate (22) is inserted into the inside of the sleeve (32). The insertion hole (220) and the fixing hole (320) are interconnected.
7. The main beam structure of a double-girder bridge crane according to claim 1, characterized in that: The outer shape of the reinforcing steel plate (4) is the same as that of the outer wall of the main beam structure (1). The inner wall of the reinforcing steel plate (4) overlaps the surface of the main beam structure (1) near the outer side of the reinforcing member (5). The front and rear sides of the middle of the reinforcing steel plate (4) are provided with a vertically penetrating positioning hole 1 (401). The left and right sides of the reinforcing steel plate (4) near the positioning hole 1 (401) are respectively provided with two vertically penetrating positioning holes 2 (402). The outer wall of the reinforcing steel plate (4) near the positioning hole 2 (402) is respectively provided with two positioning holes 3 (403). The positioning holes 1 (401), 2 (402) and 3 (403) are set on the same horizontal plane.
8. The main beam structure of a double-girder bridge crane according to claim 7, characterized in that: The positioning holes 1 (401), 2 (402), and 3 (403) are respectively set on the same vertical line as the threaded holes 2 (120), 1 (110), and 320. The bottom of the outer wall of the fixing bolt 1 (6) passes through the interior of the positioning holes 3 (403), 320, and 220 to the bottom of the sleeve (32). The bottom of the outer wall of the fixing bolt 1 (6) is threaded with a nut (61). The outer walls of several fixing bolts 2 (7) are threadedly connected to the interior of the threaded holes 2 (120) and 1 (110) through the positioning holes 1 (401), 2 (402), and 3 (403).