Split type traction wheel

Abstract

The invention discloses a split type traction wheel, which belongs to the technical field of traction wheels, and comprises a fixed shaft seat, a split type traction wheel, a fastening assembly and a self-tightening mechanism, a connecting circular truncated cone is fixedly mounted on the fixed shaft seat, a clamping block is fixedly mounted in the middle of the connecting circular truncated cone, and positioning blocks are uniformly and fixedly mounted on the edge of the connecting circular truncated cone at equal intervals; the split type traction wheel is composed of a plurality of arc-shaped wheel blocks. The plurality of arc-shaped wheel blocks are spliced into a traction wheel; clamping grooves clamped with the clamping blocks are formed in the inner sides of the arc-shaped wheel blocks; positioning grooves clamped with the positioning blocks are formed in the two sides of the arc-shaped wheel block; the center of the lower side of the traction wheel formed by splicing the arc-shaped wheel blocks forms a lower circular groove connected with the connecting circular truncated cone in an inserted mode, and the center of the upper side of the traction wheel formed by splicing the arc-shaped wheel blocks forms an upper circular groove used for installing a fastening assembly. Fastening assemblies are mounted on the connecting circular truncated cone and the arc-shaped wheel blocks; and a self-tightening mechanism is mounted on the fastening assembly. By means of the mode, when the outer layers of the arc-shaped wheel blocks are abraded, only the corresponding arc-shaped wheel blocks are replaced.

Description

Technical Field

[0001] The invention relates to the technical field of traction wheels, and in particular to a split traction wheel. Background Art

[0002] In the production process of PC steel bars, the traction machine is an important equipment. Its main purpose is to provide power for the production line and send the steel bars to the take-up reel at the specified line speed. At the same time, it can adjust the tension between traction machine No. 1 and traction machine No. 2 to control the straightness of the steel bars.

[0003] Among them, the traction wheel on the traction machine is a part that is easily worn during the production of steel bars. Once the groove on the traction wheel is severely worn, slipping and roll overlap will occur. At the same time, the tension cannot be applied, resulting in unstable production line speed and unqualified straightness. Since the traction wheel is an integral part, it is necessary to replace the new traction wheel as a whole, which adds certain costs to the production of steel bars.

[0004] Based on this, the present invention designs a split traction wheel to solve the above problems. Summary of the invention

[0005] In view of the above-mentioned shortcomings of the prior art, the present invention provides a split traction wheel.

[0006] To achieve the above objectives, the present invention is implemented through the following technical solutions: A split traction wheel comprises a fixed axle seat, a combined traction wheel, a fastening assembly and a self-tightening mechanism; A connecting truncated cone is fixedly installed on the fixed shaft seat, a clamping block is fixedly installed in the middle of the connecting truncated cone, and positioning blocks are fixedly installed at even intervals on the edge of the connecting truncated cone; the combined traction wheel is composed of a plurality of arcuate wheel blocks; a plurality of arcuate wheel blocks are assembled into a traction wheel; a clamping groove engaged with the clamping block is provided on the inner side of the arcuate wheel block; positioning grooves engaged with the positioning block are provided on both sides of the arcuate wheel block; the lower center of the traction wheel assembled from the plurality of arcuate wheel blocks constitutes a lower circular groove plugged with the connecting truncated cone, and the upper center of the traction wheel assembled from the plurality of arcuate wheel blocks constitutes an upper circular groove for installing a fastening component; A fastening assembly is installed on the connecting truncated table and the arc-shaped wheel block; and a self-tightening mechanism is installed on the fastening assembly.

[0007] Furthermore, the clamping block and the positioning block are configured as wedge-shaped blocks that are uniformly reduced from bottom to top; the clamping groove and the positioning groove are configured as wedge-shaped grooves that are uniformly reduced from bottom to top.

[0008] Furthermore, the fastening assembly includes a fastening disk, a connecting tube and an installation groove. The fastening disk is plugged into the upper circular groove, a connecting tube is fixedly installed at the lower end of the fastening disk, and an installation groove is opened in the middle of the clamping block; threads for matching use are opened inside the installation groove and outside the connecting tube; the connecting tube and the installation groove are threadedly connected.

[0009] Furthermore, the self-tightening mechanism includes a self-tightening component and a connecting component, wherein the self-tightening component is installed in the middle of the installation groove; and the connecting component is installed on the upper side of the self-tightening component and the fastening disk.

[0010] Furthermore, the self-tightening assembly includes a rotating table and a cylinder, the rotating table is rotatably installed in the middle of the mounting groove; a vortex spring is sleeved on the rotating shaft between the rotating table and the mounting groove, and two elastic feet of the vortex spring are respectively abutted against the rotating table and the mounting groove; a cylinder is fixedly installed on the upper side of the rotating table.

[0011] Furthermore, the connecting assembly includes a connecting plate, a connecting groove and a connecting block. One end of the connecting plate is rotatably mounted on the upper side of the cylinder, and the other end of the connecting plate is provided with a connecting groove. The connecting block is fixedly mounted on the upper side of the fastening disk; the connecting groove is clamped with the connecting block.

[0012] Furthermore, the size of the connection groove is larger than the connection block; and the connection plate is installed on the edge of the cylinder.

[0013] Furthermore, a wear-resistant layer is arranged on the outer circumferential surface of the arc-shaped wheel segment.

[0014] Compared with the prior art, the present invention has the following beneficial effects: 1. The positioning groove on the arc wheel block is aligned with the positioning block, and then the arc wheel block is installed on the connecting round platform, so that the connecting round platform is inserted into the lower round groove; this operation is repeated to install multiple arc wheel blocks on the connecting round platform, and the multiple arc wheel blocks together constitute a traction wheel for operation; then the multiple arc wheel blocks are fixed on the connecting round platform through the fastening assembly; then the self-tightening mechanism is operated and the self-tightening mechanism is connected to the fastening assembly; thereby the fastening assembly is always kept in a fastened state through the self-tightening mechanism; by setting the clamping block and the positioning block as a wedge-shaped block that is uniformly reduced from bottom to top; the clamping groove and the positioning groove are set as a wedge-shaped groove that is uniformly reduced from bottom to top, so that the arc wheel block There is a fastening space between the connecting table and the arc wheel block; when traction is performed, the connecting table drives the arc wheel block to rotate through the clamping block and the positioning block to achieve traction; through the setting of the clamping block and the positioning block, the contact surface for transmitting traction force between the connecting table and the arc wheel block is increased, and the strength of the traction force during traction is increased; the clamping block or the clamping groove between the arc wheel block and the connecting table is worn; the self-tightening mechanism drives the fastening component to automatically further tighten, thereby driving the fastening component to further tighten the arc wheel block and the connecting table, thereby achieving automatic compensation, so that the arc wheel block and the connecting table always remain in a fastened state; at the same time, when the outer layer of the arc wheel block is worn, only the corresponding arc wheel block can be replaced to reduce the replacement cost. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required for use in the embodiments or the prior art descriptions are briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention, and for ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0016] Figure 1 The three-dimensional structure of the split traction wheel of the present invention Figure 1 ; Figure 2 It is a front view of the split traction wheel of the present invention; Figure 3 The three-dimensional structure of the split traction wheel of the present invention Figure 2 ; Figure 4 The three-dimensional structure of the split traction wheel of the present invention Figure 3 ; Figure 5 It is a schematic diagram of the arc wheel block and its connection structure; Figure 6 Schematic diagram of connecting the frustum and its connection structure.

[0017] The numbers in the figure represent: 1. Fixed axle seat; 11. Connecting round table; 12. Clamping block; 13. Positioning block; 2. Combined traction wheel; 21. Arc wheel block; 22. Lower circular groove; 23. Clamping groove; 24. Positioning groove; 25. Upper circular groove; 3. Fastening assembly; 31. Fastening plate; 32. Connecting cylinder; 33. Mounting groove; 4. Self-tightening mechanism; 41. Rotating table; 42. Cylinder; 43. Connecting plate; 44. Connecting groove; 45. Connecting block. DETAILED DESCRIPTION

[0018] In order to make the purpose, technical solution and advantages of the embodiments of the present invention clearer, the technical solution in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0019] The terms “left”, “right”, “front”, “back”, “up” and “down” mentioned in the following description are oriented in the viewing direction of the front view.

[0020] Embodiment 1: In some embodiments, please refer to the drawings of the specification Figure 1-Figure 3 , a split traction wheel comprises a fixed shaft seat 1, a combined traction wheel 2, a fastening component 3 and a self-tightening mechanism 4; The fixed shaft seat 1 is fixedly mounted with a connecting truncated platform 11, a clamping block 12 is fixedly mounted in the middle of the connecting truncated platform 11, and a positioning block 13 is fixedly mounted at an evenly spaced interval on the edge of the connecting truncated platform 11; the combined traction wheel 2 is composed of a plurality of arcuate wheel blocks 21; a plurality of arcuate wheel blocks 21 are assembled into a traction wheel; a clamping groove 23 engaged with the clamping block 12 is provided on the inner side of the arcuate wheel block 21; positioning grooves 24 engaged with the positioning block 13 are provided on both sides of the arcuate wheel block 21; the lower center of the traction wheel assembled by the plurality of arcuate wheel blocks 21 constitutes a lower circular groove 22 plugged with the connecting truncated platform 11, and the upper center of the traction wheel assembled by the plurality of arcuate wheel blocks 21 constitutes an upper circular groove 25 for installing the fastening component 3; A fastening assembly 3 is installed on the connecting truncated table 11 and the arc-shaped wheel block 21 ; and a self-tightening mechanism 4 is installed on the fastening assembly 3 .

[0021] The clamping block 12 and the positioning block 13 are configured as wedge-shaped blocks that are uniformly reduced from bottom to top; the clamping groove 23 and the positioning groove 24 are configured as wedge-shaped grooves that are uniformly reduced from bottom to top.

[0022] In this embodiment, when the split traction wheel is working normally, the fixed shaft seat 1 is fixedly connected to the external power output shaft, the slot 23 on the arc wheel block 21 is aligned with the block 12, the positioning slot 24 on the arc wheel block 21 is aligned with the positioning block 13, and then the arc wheel block 21 is installed on the connecting truncated platform 11, so that the connecting truncated platform 11 is inserted into the lower circular slot 22; repeat this operation to install multiple arc wheel blocks 21 on the connecting truncated platform 11, and the multiple arc wheel blocks 21 together constitute a traction wheel for operation; then the multiple arc wheel blocks 21 are fixed to the connecting truncated platform 11 through the fastening assembly 3; then the self-tightening mechanism 4 is operated and connected to the fastening assembly 3; thereby the fastening assembly 3 is always kept in a fastened state through the self-tightening mechanism 4; by setting the block 12 and the positioning block 13 as wedge-shaped blocks that are uniformly reduced from bottom to top; the slot 23 and the positioning slot 24 are set to be from bottom to top. The wedge-shaped groove evenly shrinks upward, so that there is a fastening space between the arc wheel block 21 and the connecting table 11; when traction is performed, the connecting table 11 drives the arc wheel block 21 to rotate through the clamping block 12 and the positioning block 13 to achieve traction; by setting the clamping block 12 and the positioning block 13, the contact surface for transmitting traction force between the connecting table 11 and the arc wheel block 21 is increased, and the strength of the traction force during traction is increased; the clamping block 12 or the clamping groove 23 between the arc wheel block 21 and the connecting table 11 is worn; the self-tightening mechanism 4 drives the fastening component 3 to automatically further tighten, thereby driving the fastening component 3 to further tighten the arc wheel block 21 and the connecting table 11, thereby achieving automatic compensation, so that the arc wheel block 21 and the connecting table 11 always remain in a fastened state; at the same time, when the outer layer of the arc wheel block 21 is worn, only the corresponding arc wheel block 21 can be replaced to reduce the replacement cost.

[0023] Embodiment 2: In some embodiments, Figure 1-Figure 6As shown, as a preferred embodiment of the present invention, the fastening assembly 3 includes a fastening disc 31, a connecting tube 32 and a mounting groove 33. The fastening disc 31 is plugged into the upper circular groove 25. The connecting tube 32 is fixedly mounted on the lower end of the fastening disc 31. The middle of the block 12 is provided with a mounting groove 33. The inside of the mounting groove 33 and the outside of the connecting tube 32 are provided with threads for matching. The connecting tube 32 and the mounting groove 33 are threadedly connected. The self-tightening mechanism 4 includes a self-tightening component and a connecting component. The self-tightening component is installed in the middle of the installation groove 33; the connecting component is installed on the upper side of the self-tightening component and the fastening plate 31; The self-tightening assembly includes a rotating table 41 and a cylinder 42. The rotating table 41 is rotatably mounted in the middle of the mounting groove 33. A vortex spring is sleeved on the rotating shaft between the rotating table 41 and the mounting groove 33. Two elastic legs of the vortex spring are respectively in contact with the rotating table 41 and the mounting groove 33. A cylinder 42 is fixedly mounted on the upper side of the rotating table 41. The connecting assembly includes a connecting plate 43, a connecting groove 44 and a connecting block 45. One end of the connecting plate 43 is rotatably mounted on the upper side of the cylinder 42, and the other end of the connecting plate 43 is provided with a connecting groove 44. The connecting block 45 is fixedly mounted on the upper side of the fastening plate 31; the connecting groove 44 is engaged with the connecting block 45. The size of the connecting groove 44 is larger than the connecting block 45 ; the connecting plate 43 is installed on the edge of the cylinder 42 .

[0024] The outer circumferential surface of the arc-shaped wheel segment 21 is provided with a wear-resistant layer.

[0025] In this embodiment, when the fastening assembly 3 and the self-tightening mechanism 4 work normally, the fixed shaft seat 1 is fixedly connected to the external power output shaft, and the connecting cylinder 32 and the mounting groove 33 are threaded together until the fastening disk 31 is tightly attached to the upper circular groove 25, so that the arc wheel block 21 is tightened and pressed by the fastening disk 31, the clamping block 12 and the positioning block 13; the arc wheel block 21 is fixed; then the cylinder 42 is rotated, and the cylinder 42 drives the rotating table 41 to rotate, so that the rotating shaft between the rotating table 41 and the mounting groove 33 The vortex spring on the connecting plate 43 is twisted; then the connecting plate 43 is turned over, and the connecting groove 44 on the outer side of the connecting plate 43 is aligned with the connecting block 45 and then snapped in, thereby completing the locking of the connecting block 45 of the connecting plate 43; when working, the restoring force of the vortex spring drives the rotating table 41 and the cylinder 42 to rotate, and the cylinder 42 drives the fastening disk 31 to rotate through the connecting plate 43, the connecting groove 44 and the connecting block 45, and the fastening disk 31 drives the connecting cylinder 32 to rotate, so that the connecting cylinder 32 always maintains a tightening trend, realizing automatic tightening.

[0026] The above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit the same. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that the technical solutions described in the aforementioned embodiments may still be modified, or some of the technical features may be replaced by equivalents. Such modifications or replacements will not cause the essence of the corresponding technical solutions to deviate from the spirit and scope of the technical solutions of the embodiments of the present invention.

Claims

1. A split traction wheel, comprising a fixed shaft seat (1), a combined traction wheel (2), a fastening assembly (3) and a self-tightening mechanism (4), characterized in that: A connecting truncated platform (11) is fixedly mounted on the fixed shaft seat (1), a clamping block (12) is fixedly mounted in the middle of the connecting truncated platform (11), and a positioning block (13) is fixedly mounted at an evenly spaced interval on the edge of the connecting truncated platform (11); the combined traction wheel (2) is composed of a plurality of arcuate wheel blocks (21); the plurality of arcuate wheel blocks (21) are assembled to form a traction wheel; a clamping groove (23) for clamping with the clamping block (12) is provided on the inner side of the arcuate wheel block (21); positioning grooves (24) for clamping with the positioning block (13) are provided on both sides of the arcuate wheel block (21); the lower center of the traction wheel assembled from the plurality of arcuate wheel blocks (21) forms a lower circular groove (22) for plugging with the connecting truncated platform (11), and the upper center of the traction wheel assembled from the plurality of arcuate wheel blocks (21) forms an upper circular groove (25) for mounting a fastening component (3); A fastening assembly (3) is installed on the connecting truncated table (11) and the arc-shaped wheel block (21); and a self-tightening mechanism (4) is installed on the fastening assembly (3).

2. The split traction wheel according to claim 1, characterized in that: The clamping block (12) and the positioning block (13) are configured as wedge-shaped blocks that are uniformly reduced from bottom to top; and the clamping groove (23) and the positioning groove (24) are configured as wedge-shaped grooves that are uniformly reduced from bottom to top.

3. The split traction wheel according to claim 2, characterized in that: The fastening assembly (3) comprises a fastening disc (31), a connecting tube (32) and a mounting groove (33); the fastening disc (31) is plugged into the upper circular groove (25); a connecting tube (32) is fixedly mounted on the lower end of the fastening disc (31); a mounting groove (33) is provided in the middle of the clamping block (12); threads for matching use are provided inside the mounting groove (33) and on the outside of the connecting tube (32); and the connecting tube (32) and the mounting groove (33) are threadedly connected.

4. The split traction wheel according to claim 3, characterized in that: The self-tightening mechanism (4) comprises a self-tightening component and a connecting component. The self-tightening component is installed in the middle of the installation groove (33); and the connecting component is installed on the upper side of the self-tightening component and the fastening plate (31).

5. The split traction wheel according to claim 4, characterized in that: The self-tightening assembly comprises a rotating table (41) and a cylinder (42); the rotating table (41) is rotatably mounted in the middle of the mounting groove (33); a vortex spring is sleeved on the rotating shaft between the rotating table (41) and the mounting groove (33); two elastic legs of the vortex spring are respectively in contact with the rotating table (41) and the mounting groove (33); and the cylinder (42) is fixedly mounted on the upper side of the rotating table (41).

6. The split traction wheel according to claim 5, characterized in that: The connection assembly comprises a connection plate (43), a connection groove (44) and a connection block (45); one end of the connection plate (43) is rotatably mounted on the upper side of the cylinder (42); the other end of the connection plate (43) is provided with a connection groove (44); the connection block (45) is fixedly mounted on the upper side of the fastening plate (31); and the connection groove (44) is snap-connected with the connection block (45).

7. The split traction wheel according to claim 6, characterized in that: The size of the connection groove (44) is larger than that of the connection block (45); and the connection plate (43) is installed on the edge of the cylinder (42).

8. The split traction wheel according to claim 7, characterized in that: A wear-resistant layer is provided on the outer circumferential surface of the arc-shaped wheel segment (21).

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