Heating furnace pushing device

By introducing a pusher support frame, a feeding trolley body, and a gear transmission group into the heating furnace pusher device, the problem of billets falling off during the material trolley push process was solved, achieving stable material conveying and safety protection, and improving the continuity of operation and the applicability of the system.

CN224065923UActive Publication Date: 2026-03-31HEBEI JINGYE WIDE BOARD TECH CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-31
Publication Date
2026-03-31

AI Technical Summary

Technical Problem

In the existing technology, the billet may fall during the material trolley's pushing process due to mechanical vibration and inertia, which affects the stability of the billet conveying.

Method used

A heating furnace feeding device was designed, including a feeding support frame, a feeding support plate, a feeding carriage, a protective baffle, and a gear transmission group. The feeding carriage is driven to move by a linear drive component, and the swing of the protective baffle is controlled by the gear transmission group to ensure the stability of the material during the feeding process.

Benefits of technology

This achieves stable material conveying during the feeding process, avoids material spillage, improves the continuity and safety of operation, and enhances the applicability and effectiveness of the system.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of heating furnace equipment, and provides a heating furnace pushing device which comprises a pushing supporting frame. The material pushing supporting plate is arranged on the material pushing supporting frame; the feeding vehicle body is movably arranged on the pushing supporting plate and provided with a material cavity, and the material cavity is provided with an opening. The protective baffle is arranged on the feeding vehicle body in a swinging mode, and the protective baffle shields or cancels shielding of the opening after swinging. By means of the technical scheme, the problems that in the related technology, the material trolley is always in an open state, when the hydraulic pusher pushes the material trolley, the material trolley is affected by mechanical vibration, inertia and the like, the steel billets in the material trolley have the falling risk, and the stability of steel billet conveying is affected are solved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to heating furnace equipment technical field, specifically, relate to a heating furnace pushing device. BACKGROUND

[0002] The heating furnace for rolling mill is a large industrial equipment for heating metal billets (such as steel billets) in the rolling production process, when feeding the heating furnace, generally using hydraulic steel pusher to load, hydraulic steel pusher uses the strong thrust generated by hydraulic system to push the steel billets placed in the trolley, it mainly includes hydraulic cylinder, piston, push rod and hydraulic control system, hydraulic pump delivers hydraulic oil to the hydraulic cylinder, piston movement is pushed, the piston drives the push rod to advance, the advantages of hydraulic steel pusher are large thrust, high precision and stepless speed regulation.

[0003] The patent with publication number CN203044790U discloses a kind of heating furnace pushing device, when the trolley for placing steel billets is pushed, since the upper mouth of material trolley is always in open state, when hydraulic steel pusher pushes trolley, due to mechanical vibration, inertia and other reasons, there is the risk of falling of steel billets in material trolley, which affects the stability of steel billet conveying. UTILITY MODEL CONTENT

[0004] The utility model provides a kind of heating furnace pushing device, solve the risk of falling of steel billets in material trolley in the related art, thereby affect the stability of steel billet conveying.

[0005] The technical scheme of the utility model is as follows: a kind of heating furnace pushing device, comprising:

[0006] Pushing support frame;

[0007] Pushing support plate, the pushing support plate is set on the pushing support frame;

[0008] Feeding trolley body, the feeding trolley body is movably arranged on the pushing support plate, with material cavity, the material cavity has opening;

[0009] Protective baffle, the protective baffle is swingably arranged on the feeding trolley body, the protective baffle is shielded or unshielded after swinging opening.

[0010] Optionally, the protective baffle has rod portion, the rod portion is rotatably arranged on the feeding trolley body, further comprising:

[0011] First drive gear, the first drive gear is arranged on the rod portion;

[0012] Protective shaft, the protective shaft is rotatably arranged on the feeding trolley body;

[0013] A second driving gear is arranged at one end of the protection shaft and is in meshing connection with the first driving gear.

[0014] Optionally, further comprising:

[0015] A first transmission gear is arranged at the other end of the protection shaft.

[0016] A second transmission gear is rotationally arranged on the feeding trolley body and is in meshing connection with the first transmission gear.

[0017] A first trigger gear is rotationally arranged on the feeding trolley body, coaxially arranged with the second transmission gear and synchronously rotated with the second transmission gear.

[0018] A guide plate is arranged on the pushing support frame, having a first driving rack arranged along the moving direction of the feeding trolley body, the first trigger gear being in meshing or out of meshing with the first driving rack after the feeding trolley body moves.

[0019] Optionally, the first driving gear, the protection shaft, the second driving gear, the first transmission gear, the second transmission gear and the first trigger gear form a gear transmission group, the gear transmission group having at least two groups.

[0020] The guide plate further has a second driving rack, further comprising:

[0021] A second trigger gear is rotationally arranged on the feeding trolley body and is in meshing with the first trigger gear of one group of the gear transmission group, the first trigger gear being in meshing with the first driving rack or the second trigger gear being in meshing with the second driving rack after the feeding trolley body moves.

[0022] Optionally, the pushing support plate has a protrusion, the feeding trolley body has a pushing connecting groove, the protrusion being inserted or out of inserted into the pushing connecting groove after the feeding trolley body moves.

[0023] Optionally, further comprising:

[0024] A pushing connecting piece is arranged on the feeding trolley body and has a first fixing hole.

[0025] A linear driving piece is arranged on the pushing support frame and has a second fixing hole at the driving end.

[0026] A pushing plug-in piece is used for inserting or out of inserting the first fixing hole and the second fixing hole and connecting the pushing connecting piece and the driving end of the linear driving piece.

[0027] Optionally, the protective baffle has two, and each of the protective baffles is provided with two groups of the gear transmission groups.

[0028] Optionally, the utility model also comprises:

[0029] The lifting ring is arranged on the feeding trolley body and is located on the front and rear sides of the opening.

[0030] Optionally, the guide plate has two, and the two guide plates are located on the left and right sides of the moving direction of the feeding trolley body.

[0031] Optionally, the linear driving member is a hydraulic cylinder.

[0032] The working principle and beneficial effects of the utility model are as follows:

[0033] 1. In the utility model, when feeding in the heating furnace is needed, the billet is put into the material cavity of the feeding trolley body, the feeding trolley body is lifted to the upper side of the material pushing support plate by using the lifting machine, the linear driving member drives the feeding trolley body to move forward, the material pushing connecting groove of the feeding trolley body is inserted with the convex of the material pushing support plate, and the stability in the feeding process is ensured.

[0034] 2. The gear transmission group, the first driving rack and the second driving rack are sequentially and drivingly connected, the swinging of the protective baffle during the movement of the feeding trolley body is realized, the protection of the material is further realized, the material is prevented from spilling during the material pushing, the stability of the billet during conveying is ensured, and the use effect of the whole material pushing device is improved. DRAWINGS

[0035] The above-mentioned features, technical characteristics, advantages and implementation modes of the utility model will be further explained in the following preferred embodiments in a clear and understandable way combined with the drawings.

[0036] Fig. 1 It is the structure schematic view of the first visual angle of the utility model;

[0037] Fig. 2 It is the structure schematic view of the second visual angle of the utility model;

[0038] Fig. 3 It is the partial structure schematic view of the utility model;

[0039] Fig. 4 It is the partial structure schematic view of the utility model;

[0040] Fig. 5 It is the structure schematic view of the gear transmission group and the protective baffle of the utility model;

[0041] Fig. 6 It is a structure schematic view of the pushing material support plate of the utility model.

[0042] In the figure: 1, pushing material support frame; 2, pushing material support plate; 201, protrusion; 3, feeding trolley body; 301, material cavity; 302, opening; 303, pushing material connecting groove; 4, protective baffle; 401, rod part; 5, first driving gear; 6, protective shaft; 7, second driving gear; 8, first transmission gear; 9, second transmission gear; 10, first trigger gear; 11, guide plate; 12, first driving rack; 13, second driving rack; 14, second trigger gear; 15, pushing material connecting piece; 16, linear driving piece; 17, pushing material insert; 18, hoisting ring; 19, gear transmission group. DETAILED DESCRIPTION

[0043] In order to more clearly illustrate the technical scheme in the embodiments of the utility model or the prior art, the specific implementation manners of the utility model will be described below with reference to the drawings. Obviously, the drawings in the following description only represent some embodiments of the utility model, and for those skilled in the art, other drawings can be obtained according to these drawings without creative labor, and other implementation manners can also be obtained.

[0044] In order to make the drawing simple, only the parts related to the utility model are shown in each drawing, and they do not represent the actual structure of the product. In addition, in order to make the drawing simple and easy to understand, in some drawings, only one of the parts with the same structure or function is shown, or only one of them is marked. In this paper, "one" not only means "only one", but also means "more than one", and "several" includes "two" and "more than two".

[0045] In this paper, it should be noted that, unless otherwise specified and limited, the terms "mounting", "connecting", "connecting" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium, or it can be the communication inside two elements. For those skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.

[0046] In addition, in the description of the present application, the terms "first", "second" and the like are only used for differentiation and description, and cannot be understood as indicating or implying relative importance.

[0047] Reference Figs. 1-6The heating furnace pushing device is provided, as preferred, the linear driving element 16 serving as a power element can be a hydraulic cylinder. The hydraulic cylinder serving as the linear driving element 16 can provide strong pushing force, ensuring smooth operation during the pushing process even when facing heavy materials. The hydraulic system has high response speed and accuracy, can realize accurate position control of the feeding trolley body 3, and ensure the accuracy and consistency of the pushing process. The linear driving element 16 is fixedly connected to the rear end of the inner side of the pushing support frame 1, ensuring the stability of the installation and reducing the risk of loosening caused by vibration or impact. The pushing support plate 2 is fixedly connected to the front end of the inner side of the pushing support frame 1, enhancing the strength of the overall structure and providing a reliable support platform. The pushing support plate 2 is provided with a protrusion 201 above, which serves as a guide rail to provide a guiding effect, ensuring accurate guidance of the feeding trolley body 3 during movement and avoiding deviation and jamming. The feeding trolley body 3 is placed above the pushing support plate 2. Two groups of lifting rings 18 are provided, which are fixedly connected to the upper front and rear ends of the feeding trolley body 3, respectively, facilitating loading and unloading operations using lifting equipment, improving work efficiency, and ensuring balance and safety during lifting, reducing the occurrence of accidents. Two groups of protective baffles 4 are provided, which are rotatably connected to the upper left and right sides of the feeding trolley body 3, respectively, effectively preventing the scattering of materials during the pushing process, protecting the surrounding environment and the safety of the operators, and the rotatable connection design allows the protective baffles 4 to be flexibly adjusted in angle according to actual needs, adapting to materials of different sizes and shapes and enhancing the applicability of the system.

[0048] The protrusion 201 is located at the upper middle position of the pushing support plate 2. The pushing connection groove 303 is opened in the lower part of the feeding trolley body 3. The pushing connecting piece 15 is fixedly arranged below the rear end of the feeding trolley body 3, facing the linear driving element 16. The pushing connecting piece 15 is provided with a first fixing hole. The driving end of the linear driving element 16 is the front end of its piston rod, and the driving end has a second fixing hole. The pushing plug-in piece 17 is inserted into the two holes to realize fixed connection. As preferred, a connecting pin can be selected for quick disassembly, simplifying maintenance and repair work and reducing downtime. The connecting pin has good wear resistance and corrosion resistance, prolonging the service life of the component and reducing maintenance costs.

[0049] Specifically, in use, when feeding in the heating furnace is needed, the billets are placed in the material cavity 301 of the feeding trolley body 3, the feeding trolley body 3 is lifted above the pushing support plate 2 using lifting machinery, the first fixing hole of the pushing connecting piece 15 is aligned with the second fixing hole of the linear driving element 16, the pushing plug-in piece 17 is inserted, the linear driving element 16 is started, the feeding trolley body 3 is pushed to move forward, the pushing connection groove 303 of the feeding trolley body 3 is inserted with the protrusion 201 of the pushing support plate 2, and the stability during feeding is ensured.

[0050] The first drive gear 5, the protection shaft 6, the second drive gear 7, the first transmission gear 8, the second transmission gear 9 and the first trigger gear 10 constitute a gear transmission set 19; as preferred, the gear transmission set 19 has four sets in total, and each protection baffle 4 is provided with two sets of gear transmission sets 19, that is, the rod part 401 of the protection baffle 4 is provided with the first drive gear 5 at both ends, taking one set of gear transmission sets 19 as an example, the first drive gear 5 is engaged with the second drive gear 7 at the upper end of the protection shaft 6, the first transmission gear 8 is arranged at the lower end of the protection shaft 6, the second transmission gear 9 is rotatably arranged on the feeding trolley body 3 and is engaged with the first transmission gear 8, and the other end of the rotating shaft is provided with the first trigger gear 10.

[0051] In addition, the second trigger gear 14 is additionally arranged and is engaged with the first trigger gear 10 of the other set of gear transmission sets 19 corresponding to one rod part 401.

[0052] When the feeding trolley body 3 is pushed to move forward, at this time, the feeding trolley body 3 drives the first trigger gear 10 to move forward, the first trigger gear 10 is in contact with the first drive rack 12 when moving forward, the first trigger gear 10 is driven to rotate, the first trigger gear 10 drives the second transmission gear 9 to rotate, the second transmission gear 9 drives the first transmission gear 8 to rotate, the first transmission gear 8 drives the protection shaft 6 to rotate, the protection shaft 6 drives the second drive gear 7 to rotate, the second drive gear 7 drives the first drive gear 5 to rotate, and then drives the protection baffle 4 to rotate, the two sets of protection baffles 4 are rotated to the upper side of the feeding trolley body 3, the protection of the material is realized, and the material is prevented from spilling out during the pushing process,

[0053] The feeding trolley body 3 continues to move forward to drive the second trigger gear 14 to be in contact with the second drive rack 13, the second trigger gear 14 is driven to rotate, the second trigger gear 14 drives the first trigger gear 10 to rotate, and the transmission logic is similar to the above and will not be repeated, and through the arrangement of the second trigger gear 14, the protection baffle 4 can be driven to rotate in the opposite direction as a whole, so that the material is exposed.

[0054] The whole system can realize the automatic switching of the protection baffle 4 in different working stages. Whether the protection baffle 4 is unfolded or the material is exposed, the system can quickly respond to ensure the continuity and efficiency of the operation.

[0055] It should be noted that the above embodiments are only used to illustrate the technical solutions of the present application and not to limit it, although the present application has been described in detail with reference to the preferred embodiments, those skilled in the art should understand that the technical solutions of the present application can be modified or replaced equivalently without departing from the spirit and scope of the technical solutions of the present application, and they should be covered in the scope of the claims of the present application.

Claims

1. A furnace pusher apparatus, characterized by, It comprises: a pushing support frame (1); a pushing support plate (2) arranged on the pushing support frame (1); a feeding trolley body (3) movably arranged on the pushing support plate (2), having a material cavity (301) with an opening (302); a protective baffle (4) swingably arranged on the feeding trolley body (3), which can shield or unshield the opening (302) after swinging.

2. A furnace pusher apparatus according to claim 1, wherein The protective baffle (4) has a rod part (401) rotatably arranged on the feeding trolley body (3), further comprising: a first drive gear (5) arranged on the rod part (401); a protective shaft (6) rotatably arranged on the feeding trolley body (3); a second drive gear (7) arranged at one end of the protective shaft (6) and meshingly connected with the first drive gear (5).

3. A furnace pusher apparatus according to claim 2, wherein Further comprising: a first transmission gear (8) arranged at the other end of the protective shaft (6); a second transmission gear (9) rotatably arranged on the feeding trolley body (3) and meshingly connected with the first transmission gear (8); a first trigger gear (10) rotatably arranged on the feeding trolley body (3) and coaxially arranged with the second transmission gear (9) and synchronously rotated with the second transmission gear (9); a guide plate (11) arranged on the pushing support frame (1) and having a first drive rack (12) arranged along the moving direction of the feeding trolley body (3), the first trigger gear (10) being meshed or unmeshed with the first drive rack (12) after the feeding trolley body (3) moves.

4. A furnace pusher apparatus according to claim 3, wherein The first drive gear (5), the protective shaft (6), the second drive gear (7), the first transmission gear (8), the second transmission gear (9) and the first trigger gear (10) constitute a gear transmission group (19), which has at least two groups; The guide plate (11) further has a second drive rack (13) and further comprises: a second trigger gear (14) rotatably arranged on the feeding trolley body (3) and meshingly connected with the first trigger gear (10) of one of the gear transmission groups (19), the first trigger gear (10) being meshed with the first drive rack (12) or the second trigger gear (14) being meshed with the second drive rack (13) after the feeding trolley body (3) moves.

5. A furnace pusher apparatus according to claim 1 wherein, The pushing support plate (2) has a protrusion (201), and the feeding trolley body (3) has a pushing connection groove (303), the protrusion (201) being inserted or uninserted into the pushing connection groove (303) after the feeding trolley body (3) moves.

6. A furnace pusher apparatus according to claim 5, wherein Further comprising: The pushing connecting piece (15) is arranged on the feeding trolley body (3) and has a first fixing hole; The linear driving piece (16) is arranged on the pushing support frame (1) and has a second fixing hole at the driving end; The pushing plug-in piece (17) is used for plugging in or unplugging out the first fixing hole and the second fixing hole, and connecting the pushing connecting piece (15) and the driving end of the linear driving piece (16).

7. A furnace pusher apparatus according to claim 4 wherein, The protective baffle (4) has two, and each of the protective baffles (4) is correspondingly provided with two groups of gear transmission groups (19), and the two protective baffles (4) are respectively swingably arranged on the left and right sides of the opening (302).

8. A furnace pusher apparatus according to claim 1 wherein, Further comprising: The lifting ring (18) is arranged on the feeding trolley body (3) and is respectively located on the front and rear sides of the opening (302).

9. A furnace pusher apparatus according to claim 7, wherein, The guide plate (11) has two, and the two guide plates (11) are respectively located on the left and right sides of the moving direction of the feeding trolley body (3).

10. A furnace pusher apparatus according to claim 6, wherein The linear driving piece (16) is a hydraulic cylinder.

Citation Information

Patent Citations

  • Heating furnace pushing device

    CN203044790U