Locking mechanism and electric transmission replacing device

By cooperating with the L-shaped parts, I-shaped parts, universal ball bearings, and limit parts in the locking mechanism, the problems of unstable installation and difficult replacement of the transmission device are solved, realizing stable installation and convenient replacement of the transmission device, reducing labor costs and improving production efficiency.

CN223676699UActive Publication Date: 2025-12-16LIUZHOU IRON & STEEL CO LTD
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Patent Information

Application Number
CN202520506019.7
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-21
Publication Date
2025-12-16
Estimated Expiration
2035-03-21

AI Technical Summary

Technical Problem

The transmission device is not installed securely and is difficult to replace, resulting in long replacement times and affecting production efficiency.

Method used

The locking mechanism includes an L-shaped component, an I-shaped component, a universal ball bearing, a limiting component, and a limiting rod. The universal ball bearing facilitates movement, while the fixing component works in conjunction with the limiting component and the limiting rod to achieve quick locking, simplifying the installation and replacement process of the transmission device.

Benefits of technology

This technology enables stable installation and convenient replacement of the transmission device, reducing labor costs, shortening replacement time, and improving production efficiency.

✦ Generated by Eureka AI based on patent content.

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    Figure CN223676699U_ABST
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Abstract

The utility model discloses a locking mechanism and an electrical transmission replacing device, comprising a mounting unit, the mounting unit comprises an L-shaped piece, an I-shaped piece arranged on the inner side wall of the L-shaped piece, a universal ball arranged at the bottom of the L-shaped piece, and a limiting piece and a limiting rod arranged on the outer side wall of the L-shaped piece; the fixing unit comprises fixing pieces which are movably connected with the L-shaped pieces and the I-shaped pieces through limiting pieces, the transmission unit comprises a cabinet body and a replacement trolley, the fixing pieces are in threaded connection with supporting columns on the periphery of the cabinet body through fixing holes, and the replacement trolley is in threaded connection with the cabinet body. The horizontal height of the cabinet body upper bottom plate is the same as that of the containing plate on the replacement trolley. The transmission device has the advantages that the bottom of the transmission device is fixedly connected with the L-shaped piece and the I-shaped piece through the first connecting hole, the second connecting hole and the third connecting hole, movement is facilitated through the universal balls, and rapid locking and limiting are achieved through cooperation of the fixing piece, the limiting piece and the limiting rod.
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Description

TECHNICAL FIELD

[0001] The utility model relates to the field of transmission control system of steel industry especially a locking mechanism and electrical transmission replacement device. BACKGROUND

[0002] The current installation mode of the electrical transmission device of the cold rolling strip mill is mostly direct use of screw rod fixation, this mode is stable in fixed installation, but due to the large weight and volume of the transmission device, and the relatively narrow space of the electrical chamber and transmission cabinet, hoisting equipment cannot be used for replacement operation of the transmission device.

[0003] At present, the replacement of the transmission device is relied on a large number of manpower to move and carry, which is prone to the risk of transmission device falling and hurting people in the process, and it is also difficult to fine-tune the screw rod hole during the installation of the transmission, resulting in a long replacement time of the entire transmission device, which is not conducive to the maintenance work of the transmission device and has a great influence on the production of the unit, therefore, an electrical transmission device that is convenient to replace and easy to lock is needed. UTILITY MODEL CONTENTS

[0004] Therefore, the technical problem to be solved by the utility model lies in that the transmission device installation needs to be stable, and the replacement also requires convenience.

[0005] The above technical problem is solved by the following technical scheme: the utility model provides a locking mechanism, which comprises an installation unit, the installation unit comprises an L-shaped piece, an I-shaped piece arranged on the inner side wall of the L-shaped piece, universal ball bearings arranged on the bottom of the L-shaped piece, and a limiting piece and a limiting rod arranged on the outer side wall of the L-shaped piece.

[0006] A fixing unit is arranged, the fixing unit comprises a fixing piece, and the fixing piece is movably connected with the L-shaped piece and the I-shaped piece through the limiting piece.

[0007] In a preferred embodiment of the locking mechanism: the L-shaped piece comprises a first U-shaped groove arranged at one end, a first connecting shaft arranged at one side of the first U-shaped groove, a first connecting hole arranged on the side wall of the L-shaped piece, a second connecting shaft arranged at one side of the first connecting hole, and a screw arranged at the other end of the L-shaped piece, the screw is threadedly connected with the L-shaped piece, and a third connecting hole is further arranged on the bottom side of the L-shaped piece.

[0008] In a preferred embodiment of the locking mechanism: the universal ball bearings are movably connected with the L-shaped piece through the third connecting hole.

[0009] In a preferred embodiment of the locking mechanism: the I-shaped piece comprises a second U-shaped groove arranged at one end and a second connecting hole arranged on the side wall of the I-shaped piece.

[0010] In a preferred embodiment of the locking mechanism: the first connecting hole and the second connecting hole are correspondingly arranged, and the first U-shaped groove and the second U-shaped groove are correspondingly arranged.

[0011] In a preferred embodiment of the locking mechanism: the limiting member comprises a limiting clamping head arranged at one end, an inclined tail arranged at the other end, and a fourth connecting hole arranged on the limiting member, the limiting member is movably connected with the first connecting shaft through the fourth connecting hole, and the limiting clamping head and the limiting member have an accommodating space A therebetween.

[0012] In a preferred embodiment of the locking mechanism: the limiting rod comprises a hook head arranged at one end, a fifth connecting hole arranged on the limiting rod, and a rod head arranged at the other end of the limiting rod, the limiting rod is movably connected with the second connecting shaft through the fifth connecting hole, and the hook head is movably connected with the inclined tail.

[0013] In a preferred embodiment of the locking mechanism: a slope is arranged on the outer side of the limiting clamping head.

[0014] In a preferred embodiment of the locking mechanism: the fixing member comprises a connecting plate, a convex plate arranged on one side of the connecting plate, a convex shaft arranged on the side edge of the convex plate, the convex shaft is symmetrically arranged on both sides of the convex plate, and a fixing hole is arranged on the side edge of the convex shaft.

[0015] The beneficial effects of the utility model lie in that the bottom of the transmission device is fixedly connected with the L-shaped member and the I-shaped member through the first connecting hole, the second connecting hole and the third connecting hole, is convenient to move through the universal ball, and is quickly locked through the cooperation of the fixing member, the limiting member and the limiting rod, so that the convenient locking and the stable effect can be realized.

[0016] Another object of the utility model is to provide a kind of electrical transmission replacement device, which aims to solve the problem that transmission device is difficult to remove due to device self weight.

[0017] To solve the above technical problems, the utility model further provides the following technical scheme: a transmission unit, the transmission unit includes cabinet and replacement trolley, the fixing member is screw-connected with the cabinet around support column through the fixing hole, and the upper bottom plate of the cabinet and the accommodating plate of the replacement trolley are at the same horizontal height

[0018] The beneficial effects of the utility model lie in that the fixing member fixes the transmission device on the cabinet support column, removes the screw connection between the fixing member and the support column, and then the transmission device can be translated from the cabinet to the replacement trolley through the universal ball, so that the transmission device is convenient to maintain. BRIEF DESCRIPTION OF DRAWINGS

[0019] To more clearly illustrate the technical solutions of the embodiments of this utility model, the accompanying drawings of the embodiments of this utility model will be briefly described below. Obviously, the drawings described below only relate to some embodiments of this utility model and are not intended to limit the scope of this utility model. Wherein:

[0020] Figure 1 A structural diagram of the locking mechanism is shown;

[0021] Figure 2 Structural diagrams of the L-shaped and I-shaped components are shown;

[0022] Figure 3 Structural diagrams of the L-shaped and I-shaped components are shown;

[0023] Figure 4 A structural diagram of the fastener is shown;

[0024] Figure 5 A structural diagram of the limiting component is shown;

[0025] Figure 6 A structural diagram of the limiting rod is shown;

[0026] Figure 7 A partially enlarged view of the locking state of the limiting component is shown;

[0027] Figure 8 A structural diagram of the electric drive replacement device is shown. Detailed Implementation

[0028] To enable those skilled in the art to better understand this utility model, the present utility model will be further described in detail below with reference to specific embodiments and accompanying drawings.

[0029] The terminology used in this invention refers to those general terms currently widely used in the art in consideration of the functionality of this invention; however, these terms may vary according to the intent, precedent, or new technology of those skilled in the art. Furthermore, specific terms may be chosen by the applicant, and in such cases, their detailed meanings will be described in the detailed description of this invention. Therefore, the terminology used in this specification should not be construed as simple names, but rather based on the meaning of the terms and the overall description of this invention.

[0030] Reference Figure 1 This embodiment provides a locking mechanism, including an installation unit 1 and a fixing unit 2.

[0031] Preferably, the mounting unit 1 comprises an L-shaped piece 11, an I-shaped piece 12 arranged on the inner side wall of the L-shaped piece 11, the L-shaped piece 11 and the I-shaped piece 12 are connected through the connecting hole on the side wall, a universal ball 13 arranged on the bottom of the L-shaped piece 11, the universal ball 13 is connected with the L-shaped piece 11 through a nut, and a limiting piece 14 and a limiting rod 15 arranged on the outer side wall of the L-shaped piece 11, the limiting piece 14 and the limiting rod 15 are hingedly connected with the L-shaped piece; the fixing unit 2 comprises a fixing piece 21, and the fixing piece 21 is movably connected with the L-shaped piece 11 and the I-shaped piece 12 through the limiting piece 14.

[0032] In use, the L-shaped piece 11 and the I-shaped piece 12 are connected through the connecting hole on the side wall, the L-shaped piece 11 and the I-shaped piece 12 form a bottom, the universal ball 13 is connected with the L-shaped piece 11 through the nut, the bottom formed by the L-shaped piece 11 and the I-shaped piece 12 is convenient to move, the transmission device can be quickly moved, the fixing piece 21 is limited after being movably connected with the L-shaped piece 11 and the I-shaped piece 12 through the limiting piece 14, and the limiting rod 15 limits the limiting piece 14.

[0033] Reference Figures 1 to 7 As an optional embodiment, the L-shaped piece 11 comprises a first U-shaped groove 111 arranged at one end, the first U-shaped groove 111 is used for the convex shaft 213 to extend into, a first connecting shaft 112 arranged at one side of the first U-shaped groove 111, the limiting piece 14 is hingedly connected with the L-shaped piece 11 through the first connecting shaft 112, a first connecting hole 113 arranged on the side wall of the L-shaped piece 11, a second connecting shaft 114 arranged at one side of the first connecting hole 113, and a screw 115 arranged at the other end of the L-shaped piece 11, the screw 115 is threadedly connected with the L-shaped piece 11, the limiting rod 15 is hingedly connected with the L-shaped piece 11 through the second connecting shaft 114, the screw 115 limits the limiting rod 15 in the locked state of the limiting piece 14, and a third connecting hole 116 is further arranged on the bottom side of the L-shaped piece 11.

[0034] Further, the universal ball 13 is movably connected with the L-shaped piece 11 through the third connecting hole 116, that is, the universal ball 13 is arranged on the bottom of the L-shaped piece 11, the screw rod at the top of the universal ball 13 extends into the L-shaped piece 11 and the bottom of the transmission device through the third connecting hole 116, and then the transmission device is conveniently moved.

[0035] Preferably, the I-shaped piece 12 comprises a second U-shaped groove 121 arranged at one end and a second connecting hole 122 arranged on the side wall of the I-shaped piece 12, and the second U-shaped groove 121 is used for the convex shaft 213 to extend into.

[0036] Further, the first connecting hole 113 and the second connecting hole 122 are correspondingly arranged, and the first U-shaped groove 111 and the second U-shaped groove 121 are correspondingly arranged, so that the L-shaped piece 11 and the I-shaped piece 12 are attached to each other.

[0037] Preferably, the limiting piece 14 includes a limiting head 141 arranged at one end, an inclined tail 142 arranged at the other end, and a fourth connecting hole 143 arranged on the limiting piece 14, the limiting piece 14 is movably connected with the first connecting shaft 112 through the fourth connecting hole 143, in the embodiment, the weight of the inclined tail 142 is slightly greater than that of the limiting head 141, that is, the limiting piece 14 has a slight inclination angle towards the end of the inclined tail 142 in the state of no force, and the inclination angle helps the limiting piece 14 to better realize locking, the limiting head 141 and the limiting piece 14 have a containing space A for the convex shaft 213 to extend into.

[0038] Preferably, the limiting rod 15 includes a hook head 151 arranged at one end, a fifth connecting hole 152 arranged on the limiting rod 15, and a rod head 153 arranged at the other end of the limiting rod 15, the limiting rod 15 is movably connected with the second connecting shaft 114 through the fifth connecting hole 152, and the hook head 151 is movably connected with the inclined tail 142.

[0039] Further, an inclined surface 1411 is arranged on the outer side of the limiting head 141, which facilitates the limiting piece 14 to lift the limiting head 141 upward when the convex shaft 213 extends into the containing space A.

[0040] Preferably, the fixing piece 21 includes a connecting plate 211, a convex plate 212 arranged at one side of the connecting plate 211, a convex shaft 213 arranged at the side edge of the convex plate 212, the convex shaft 213 is symmetrically arranged on both sides of the convex plate 212, and a fixing hole 214 arranged at the side edge of the convex shaft 213, the fixing hole 214 is used for mounting and fixing the fixing piece 21 with the electrical cabinet.

[0041] In use, the first connecting hole 113 and the second connecting hole 122 are correspondingly arranged, the first U-shaped groove 111 and the second U-shaped groove 121 are correspondingly arranged, so that the L-shaped piece 11 and the I-shaped piece 12 are attached and corresponded, the universal ball 13 is arranged at the bottom of the L-shaped piece 11, the screw rod at the top of the universal ball 13 extends into the bottom of the L-shaped piece 11 and the transmission device through the third connecting hole 116, thereby facilitating the movement of the transmission device, the fixing hole 214 is used for mounting and fixing the fixing piece 21 with the electrical cabinet, after the fixing piece 21 is fixed on the electrical cabinet, the transmission device is pushed towards the fixing piece 21 through the universal ball 13, the convex shaft 213 contacts with the inclined surface 1411, the limiting head 141 is lifted upward, and the convex shaft 213 extends into the containing space A, the limiting piece 14 is slightly inclined towards the end of the inclined tail 142, and at this time, the hook head 151 contacts with the inclined tail 142, the hook head 151 extrudes the inclined tail 142 to make the rod head 153 inclined upward, and then the rod head 153 is limited by the screw 115, in this state, the limiting rod 15 limits the limiting piece 14, so that the transmission device is locked, and the locking can be quickly released by removing the screw 115.

[0042] Refer toFigure 8 As an optional embodiment, the transmission unit 3 is included, the transmission unit 3 includes a cabinet 31 and a replacement trolley 32, the fixing part 21 is screwed with the surrounding support column 311 of the cabinet 31 through the fixing hole 214, and the upper bottom plate 312 of the cabinet 31 is the same in height with the accommodating plate 321 of the replacement trolley 32.

[0043] In use, after the screw 115 is removed, the limiting part 14 can be inclined to one end of the inclined tail 142, the convex shaft 213 is moved out of the accommodating space A, at this time, the transmission device arranged on the L-shaped part 11 can be moved outward, the upper bottom plate 312 of the cabinet 31 is the same in height with the accommodating plate 321 of the replacement trolley 32, so that the transmission device can be translated from the cabinet 31 to the replacement trolley 32, the transmission device replacement process does not need to use a sling, and the cabinet 31 top baffle does not need to be removed, so that the labor cost is reduced, the work difficulty is reduced, and the replacement time is greatly saved.

[0044] Finally, it should be pointed out that the above detailed description of the method and device is only an embodiment, and those skilled in the art can modify the embodiment in different ways without departing from the scope of the present application.

Claims

1. A locking mechanism characterized by: The installation unit (1) comprises an L-shaped piece (11), an I-shaped piece (12) arranged on the inner side wall of the L-shaped piece (11), universal ball bearings (13) arranged on the bottom of the L-shaped piece (11), and a limiting piece (14) and a limiting rod (15) arranged on the outer side wall of the L-shaped piece (11). The fixing unit (2) comprises a fixing piece (21) movably connected with the L-shaped piece (11) and the I-shaped piece (12) through the limiting piece (14). The L-shaped piece (11) comprises a first U-shaped groove (111) arranged at one end, a first connecting shaft (112) arranged at one side of the first U-shaped groove (111), a first connecting hole (113) arranged on the side wall of the L-shaped piece (11), a second connecting shaft (114) arranged at one side of the first connecting hole (113), and a screw (115) arranged at the other end of the L-shaped piece (11), wherein the screw (115) is threadedly connected with the L-shaped piece (11), and a third connecting hole (116) is further arranged on the bottom side of the L-shaped piece (11).

2. The locking mechanism of claim 1, wherein: The universal ball bearings (13) are movably connected with the L-shaped piece (11) through the third connecting hole (116).

3. The locking mechanism of claim 2, wherein: The I-shaped piece (12) comprises a second U-shaped groove (121) arranged at one end and a second connecting hole (122) arranged on the side wall of the I-shaped piece (12).

4. The locking mechanism of claim 1 or 3, wherein: The first connecting hole (113) and the second connecting hole (122) are correspondingly arranged, and the first U-shaped groove (111) and the second U-shaped groove (121) are correspondingly arranged.

5. The locking mechanism of claim 4, wherein: The limiting piece (14) comprises a limiting chuck (141) arranged at one end, an inclined tail (142) arranged at the other end, and a fourth connecting hole (143) arranged on the limiting piece (14), wherein the limiting piece (14) is movably connected with the first connecting shaft (112) through the fourth connecting hole (143), and the limiting chuck (141) and the limiting piece (14) have a containing space A.

6. The locking mechanism of claim 1 or 5, wherein: The limiting rod (15) comprises a hook head (151) arranged at one end, a fifth connecting hole (152) arranged on the limiting rod (15), and a rod head (153) arranged at the other end of the limiting rod (15), wherein the limiting rod (15) is movably connected with the second connecting shaft (114) through the fifth connecting hole (152), and the hook head (151) is movably connected with the inclined tail (142).

7. The locking mechanism of claim 6, wherein: An inclined surface (1411) is arranged on the outer side surface of the limiting chuck (141).

8. The locking mechanism of claim 7, wherein: The fixing piece (21) comprises a connecting plate (211), a convex plate (212) arranged at one side of the connecting plate (211), a convex shaft (213) arranged at the side edge of the convex plate (212), wherein the convex shaft (213) is symmetrically arranged on both sides of the convex plate (212), and a fixing hole (214) arranged at the side edge of the convex shaft (213).

9. The locking mechanism of claim 1, wherein: The locking mechanism comprises any one of claims 1-9; and 10. An electric drive replacement device, characterized by: ​ The transmission unit (3) comprises a cabinet body (31) and a replacement trolley (32), the fixing part (21) is threadedly connected with the cabinet body (31) through a fixing hole (214) and a support column (311) around the cabinet body (31), and the upper bottom plate (312) of the cabinet body (31) is at the same horizontal height as the accommodating plate (321) of the replacement trolley (32).