Roller way lifting device

Abstract

The utility model provides a roller way lifting device which comprises a worm gear lifting assembly, a roller way lifting assembly and a roller way lifting assembly. The input rod of the worm gear lifting assembly is provided with a driving assembly. The lifting plate is fixedly connected with an output rod of the worm wheel lifting assembly; a shell of the hydraulic cylinder is fixedly connected with the lifting plate; the supporting rod is fixedly mounted on the upper end surface of the lifting plate; and the connecting plate is connected with the roller way, a supporting column is fixedly arranged at the lower end of the connecting plate, and a supporting groove corresponding to an output shaft of the hydraulic cylinder is formed in the supporting column. Compared with a traditional mode that one motor drives a plurality of worm wheel lifting assemblies to act through a synchronous shaft, the worm wheel lifting mechanism has the advantages of being small in needed installation space, simple in installation process and convenient to maintain in the later period.

Description

Technical Field

[0001] This utility model belongs to the technical field of roller conveyor equipment, and in particular relates to a roller conveyor lifting device. Background Technology

[0002] In the H-beam finishing rolling zone, the first set of finishing rollers uses a roller lifting device to adjust the roller height and receive steel from the previous process. The current installation of the roller lifting device involves a motor output shaft driving a synchronous shaft, which in turn drives the output shafts of multiple worm gear jacks. The following problems exist during use: First, the multiple synchronous shafts require a large installation space and make subsequent maintenance inconvenient; second, the output shafts of the worm gear jacks are fixedly connected to the roller frame. When the lifting speeds of the multiple worm gear jacks are inconsistent, it can lead to damage at the connection between the output shaft and the roller frame, or damage to the worm gear jacks themselves. Utility Model Content

[0003] In view of this, the present invention aims to provide a roller conveyor lifting device in order to solve at least one of the above-mentioned technical problems.

[0004] To achieve the above objectives, the technical solution of this utility model is implemented as follows:

[0005] A roller conveyor lifting device includes:

[0006] The worm gear lifting assembly has a drive component on its input rod;

[0007] A lifting plate, wherein the lifting plate is fixedly connected to the output rod of the worm gear lifting assembly;

[0008] A hydraulic cylinder, the housing of which is fixedly connected to the lifting plate;

[0009] A support rod is fixedly installed on the upper end face of the lifting plate;

[0010] A connecting plate is connected to the roller conveyor. A support column is fixed at the lower end of the connecting plate, and a support groove corresponding to the output shaft of the hydraulic cylinder is opened on the support column.

[0011] Furthermore, a support head is fixed on the output shaft of the hydraulic cylinder, the diameter of the support groove matches the diameter of the support head, and the support head is installed inside the support groove.

[0012] Furthermore, the edge of the support groove near the hydraulic cylinder is chamfered, and the outer edge of the support head near the end of the support column is chamfered.

[0013] Furthermore, the lower end of the worm gear lifting assembly is provided with a bottom tube, the lower end of the bottom tube is fixedly provided with a base plate, the upper end of the base plate is fixedly connected to the side wall of the bottom tube by reinforcing ribs, the upper end of the bottom tube is fixedly connected to the housing of the worm gear lifting assembly, and the output rod of the worm gear lifting assembly is located inside the bottom tube.

[0014] Furthermore, the length of the support rod is greater than the total length of the hydraulic cylinder output shaft in its retracted state.

[0015] Furthermore, a sleeve is provided on the outer side of the support rod, and the inner diameter of the sleeve matches the diameter of the support rod;

[0016] A compression spring is provided between the sleeve and the lifting plate.

[0017] Furthermore, a baffle is fixedly provided at the upper end of the sleeve, and the diameter of the baffle is larger than the outer diameter of the sleeve;

[0018] The compression spring is located between the baffle and the lifting plate, and the compression spring is located on the outside of the sleeve.

[0019] Furthermore, a column is fixedly provided at the end of the baffle away from the lifting plate, and the end face of the column away from the lifting plate is a spherical surface.

[0020] Furthermore, a positioning ring corresponding to the column is fixed on the lower end surface of the connecting plate.

[0021] Furthermore, there are multiple support rods, which are arranged circumferentially along the hydraulic cylinder.

[0022] Compared with the prior art, the roller conveyor lifting device of this utility model has the following advantages:

[0023] The roller conveyor lifting device described in this utility model requires less installation space compared to the traditional method of using a single motor to drive multiple worm gear lifting components via a synchronous shaft. Furthermore, the installation process is simple and maintenance is convenient. Attached Figure Description

[0024] The accompanying drawings, which form part of this utility model, are used to provide a further understanding of the utility model. The illustrative embodiments of the utility model and their descriptions are used to explain the utility model and do not constitute an undue limitation of the utility model. In the drawings:

[0025] Figure 1 This is a three-dimensional structural diagram of the roller conveyor lifting device in use according to an embodiment of the present utility model;

[0026] Figure 2 This is a three-dimensional structural diagram of the device described in an embodiment of the present utility model;

[0027] Figure 3As described in the embodiments of this utility model Figure 2 Schematic diagram of the structure at point A in the middle;

[0028] Figure 4 This is a schematic diagram of the three-dimensional structure of the bottom tube according to an embodiment of the present utility model;

[0029] Figure 5 This is a three-dimensional structural diagram of the lifting plate described in an embodiment of the present utility model;

[0030] Figure 6 This is a schematic diagram of the three-dimensional structure of the sleeve described in an embodiment of the present utility model;

[0031] Figure 7 This is a three-dimensional structural diagram of the connecting plate described in an embodiment of the present utility model;

[0032] Figure 8 This is a schematic cross-sectional view of the device described in an embodiment of the present invention;

[0033] Figure 9 As described in the embodiments of this utility model Figure 8 Schematic diagram of the structure at point B.

[0034] Explanation of reference numerals in the attached figures:

[0035] 1. Roller conveyor; 2. Bottom tube; 3. Worm gear lifting assembly; 4. Lifting plate; 5. Sleeve; 6. Connecting plate; 7. Compression spring; 8. Hydraulic cylinder; 201. Base plate; 202. Reinforcing rib; 301. Input rod; 302. Output rod; 401. Support rod; 501. Baffle; 502. Column; 601. Support column; 602. Support groove; 603. Positioning ring; 801. Support head. Detailed Implementation

[0036] It should be noted that, unless otherwise specified, the embodiments and features described in these embodiments can be combined with each other.

[0037] In the description of this utility model, it should be understood that the terms "center," "longitudinal," "lateral," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," and "outer," etc., indicating orientation or positional relationships based on the orientation or positional relationships shown in the accompanying drawings, are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this utility model. Furthermore, the terms "first," "second," etc., are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of indicated technical features. Thus, features defined with "first," "second," etc., may explicitly or implicitly include one or more of that feature. In the description of this utility model, unless otherwise stated, "a plurality of" means two or more.

[0038] In the description of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "installation," "connection," and "joining" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.

[0039] The present invention will now be described in detail with reference to the accompanying drawings and embodiments.

[0040] like Figures 1 to 9 As shown, a roller conveyor lifting device includes:

[0041] The worm gear lifting assembly 3 has a drive component on its input rod 301. The worm gear lifting assembly 3 adopts, but is not limited to, existing worm gear lifts. The drive component is a geared motor. The output rod 302 of the worm gear lifting assembly 3 is equipped with a position sensor. When the output rod 302 reaches the designated position, the motor stops operating.

[0042] Lifting plate 4 is fixedly connected to the output rod 302 of the worm gear lifting assembly 3;

[0043] Hydraulic cylinder 8, the housing of hydraulic cylinder 8 is fixedly connected to lifting plate 4;

[0044] Support rod 401 is fixedly installed on the upper end face of lifting plate 4;

[0045] The connecting plate 6 is connected to the roller conveyor 1. A support column 601 is fixed at the lower end of the connecting plate 6. A support groove 602 corresponding to the output shaft of the hydraulic cylinder 8 is opened on the support column 601.

[0046] A support head 801 is fixedly mounted on the output shaft of the hydraulic cylinder 8. The diameter of the support groove 602 matches the diameter of the support head 801, and the support head 801 is installed inside the support groove 602. The support head 801 is a structural component made of wear-resistant steel, which improves the service life of the device.

[0047] The edge of the support groove 602 near the hydraulic cylinder 8 is chamfered, and the outer edge of the support head 801 near the support column 601 is also chamfered. The chamfered structure serves as a guide when the support head 801 is inserted into the support groove 602, facilitating the insertion of the support head 801. The insertion of the support head 801 into the support groove 602 positions the roller conveyor 1, preventing horizontal movement of the roller conveyor 1.

[0048] The worm gear lifting assembly 3 has a bottom tube 2 at its lower end, and a bottom plate 201 is fixedly installed at the lower end of the bottom tube 2. The upper end of the bottom plate 201 is fixedly connected to the side wall of the bottom tube 2 through a reinforcing rib 202. The upper end of the bottom tube 2 is fixedly connected to the housing of the worm gear lifting assembly 3. The output rod 302 of the worm gear lifting assembly 3 is located inside the bottom tube 2.

[0049] The length of support rod 401 is greater than the total length of the output shaft of hydraulic cylinder 8 in its retracted state.

[0050] A sleeve 5 is provided on the outer side of the support rod 401, and the inner diameter of the sleeve 5 matches the diameter of the support rod 401; a compression spring 7 is provided between the sleeve 5 and the lifting plate 4. The support rod 401 plays a guiding role in the up-and-down movement of the sleeve 5, making the movement of the sleeve 5 more stable.

[0051] A baffle 501 is fixed at the upper end of the sleeve 5, and the diameter of the baffle 501 is larger than the outer diameter of the sleeve 5; a compression spring 7 is located between the baffle 501 and the lifting plate 4, and the compression spring 7 is located on the outside of the sleeve 5. A damper is provided between the compression spring 7 and the lifting plate 4.

[0052] A column 502 is fixedly installed at the end of the baffle 501 away from the lifting plate 4. The end face of the column 502 away from the lifting plate 4 is a spherical surface. The spherical surface can reduce the friction between the column 502 and the roller conveyor 1 frame.

[0053] A positioning ring 603 corresponding to the column 502 is fixed on the lower end surface of the connecting plate 6. The inner diameter of the positioning ring 603 is larger than the diameter of the column 502. The positioning ring 603 plays a limiting role on the column 502 and limits the horizontal movement range of the roller conveyor 1 frame to prevent the roller conveyor 1 from moving too far horizontally during the lifting process and detaching from the support of the sleeve 5.

[0054] There are four support rods 401, which are arranged circumferentially along the hydraulic cylinder 8. The four support rods 401 play a role in evenly distributing force. Even when the roller conveyor 1 is raised or lowered, the roller conveyor 1 is tilted, and the elastic deformation space of the compression spring 7 can still ensure that multiple support rods 401 can play a supporting role.

[0055] In some other embodiments, the support rod 401 is not provided with a compression spring 7 on the outside. The support rod 401 corresponds to the positioning ring 603. When the roller conveyor 1 is raised or lowered, the output shaft of the hydraulic cylinder 8 is shortened and the lower end face of the connecting plate 6 contacts the support rod 401.

[0056] Work process:

[0057] The roller conveyor 1 lifting device is installed at the four corners of the roller conveyor 1. When the roller conveyor 1 is raised or lowered, the output shaft of the hydraulic cylinder 8 shortens, and the lower end face of the connecting plate 6 contacts the column 502. The column 502 is located inside the positioning ring 603. The compression spring 7 is compressed, and then the worm gear lifting assembly 3 moves to drive the roller conveyor 1 to move along the height direction. Since the roller conveyor 1 and the roller conveyor 1 lifting device are not rigidly connected, even if the lifting speeds of multiple worm gear lifting assemblies 3 are different, it will not affect the stability of the connection. After the roller conveyor 1 reaches the designated position, the output shaft of the hydraulic cylinder 8 extends, and the support head 801 is inserted into the bottom of the support groove 602 under the guidance of the chamfered structure of the support groove 602. It not only supports the frame of the roller conveyor 1, but also resets the frame of the roller conveyor 1 in the horizontal direction. Compared with the traditional method of one motor driving multiple worm gear lifting assemblies 3 through a synchronous shaft, this solution requires less installation space, and the installation process is simple and easy to maintain later.

[0058] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of this utility model, and not to limit it. Although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that modifications can still be made to the technical solutions described in the foregoing embodiments, or equivalent substitutions can be made to some or all of the technical features. Such modifications or substitutions do not cause the essence of the corresponding technical solutions to deviate from the scope of the technical solutions of the embodiments of this utility model, and they should all be covered within the scope of the claims and specification of this utility model.

[0059] The above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. A roller conveyor lifting device, characterized in that, include: The worm gear lifting assembly (3) has a drive assembly on its input rod (301); The lifting plate (4) is fixedly connected to the output rod (302) of the worm gear lifting assembly (3); Hydraulic cylinder (8), the housing of which is fixedly connected to the lifting plate (4); Support rod (401), the support rod (401) is fixedly installed on the upper end face of the lifting plate (4); A connecting plate (6) is connected to the roller conveyor (1). A support column (601) is fixed at the lower end of the connecting plate (6). A support groove (602) corresponding to the output shaft of the hydraulic cylinder (8) is opened on the support column (601).

2. The roller conveyor lifting device according to claim 1, characterized in that: A support head (801) is fixed on the output shaft of the hydraulic cylinder (8), and the diameter of the support groove (602) matches the diameter of the support head (801). The support head (801) is installed on the inner side of the support groove (602).

3. The roller conveyor lifting device according to claim 2, characterized in that: The edge of the support groove (602) near the hydraulic cylinder (8) is chamfered, and the outer edge of the support head (801) near the support column (601) is chamfered.

4. The roller conveyor lifting device according to claim 1, characterized in that: The worm gear lifting assembly (3) has a bottom tube (2) at its lower end. A base plate (201) is fixedly installed at the lower end of the bottom tube (2). The upper end of the base plate (201) is fixedly connected to the side wall of the bottom tube (2) through a reinforcing rib (202). The upper end of the bottom tube (2) is fixedly connected to the housing of the worm gear lifting assembly (3). The output rod (302) of the worm gear lifting assembly (3) is located inside the bottom tube (2).

5. The roller conveyor lifting device according to claim 1, characterized in that: The length of the support rod (401) is greater than the total length of the output shaft of the hydraulic cylinder (8) in its retracted state.

6. The roller conveyor lifting device according to claim 1, characterized in that: The support rod (401) is provided with a sleeve (5) on the outside, and the inner diameter of the sleeve (5) matches the diameter of the support rod (401); A compression spring (7) is provided between the sleeve (5) and the lifting plate (4).

7. A roller conveyor lifting device according to claim 6, characterized in that: A baffle (501) is fixedly provided at the upper end of the sleeve (5), and the diameter of the baffle (501) is larger than the outer diameter of the sleeve (5); The compression spring (7) is located between the baffle (501) and the lifting plate (4), and the compression spring (7) is located on the outside of the sleeve (5).

8. A roller conveyor lifting device according to claim 7, characterized in that: A column (502) is fixedly provided at one end of the baffle (501) away from the lifting plate (4), and the end face of the column (502) away from the lifting plate (4) is a spherical surface.

9. A roller conveyor lifting device according to claim 8, characterized in that: A positioning ring (603) corresponding to the column (502) is fixed on the lower end surface of the connecting plate (6).

10. A roller conveyor lifting device according to claim 1, characterized in that: The number of support rods (401) is multiple, and the multiple support rods (401) are arranged circumferentially along the hydraulic cylinder (8).

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