Limiting mechanism for walking motor of single-beam crane

Abstract

The utility model relates to the technical field of crane equipment, and discloses a single-beam type crane walking motor limiting mechanism which comprises a cross beam and a walking track, second sliding grooves are formed in the two sides of the bottom of the cross beam, a mounting base is arranged below the cross beam in a sliding mode, a walking motor is fixedly mounted in the mounting base, and inserting blocks are fixedly connected to the two sides of the top of the mounting base. A first sliding groove and a limiting groove are formed in the two sides of the cross beam correspondingly, a limiting rod is connected into the limiting groove, a limiting block is slidably connected to the limiting rod, a mounting frame is fixedly connected to the wall face of the limiting block, a first through hole and a second through hole are formed in the side wall face of the mounting frame, and a pulling rod is slidably arranged in the first through hole; the two ends of the pulling rod are fixedly connected with a pulling ring and a limiting plate correspondingly, the pulling rod is sleeved with a reset spring, and an inserting rod penetrates through the second through hole. According to the utility model, through the pulling ring, the reset spring contracts, and the insertion rod is moved out of the inner cavity of the insertion hole, so that the walking motor can be conveniently overhauled.

Description

Technical Field

[0001] The utility model relates to the technical field of crane equipment, in particular to a limit mechanism for a traveling motor of a single-girder crane. Background Art

[0002] The traveling motor of a crane is an important part of the lifting device of a single-girder crane. The traveling motor of the crane is arranged on the main beam of the crane and travels on the track on the main beam of the crane to realize the lateral movement of the lifted object.

[0003] After retrieval, the application number CN201520426680.3 discloses a limit mechanism for a traveling motor of a single-girder crane, which includes a main beam. An audible and visual alarm device is arranged on the side surface of the main beam. A traveling track is arranged on the lower end surface of the main beam. From the end surface of the traveling track to the middle of the traveling track, an infrared distance measuring sensor, a limit trigger B, a limit switch, and a limit trigger A are sequentially arranged at both ends of the traveling track. An electric hoist is arranged on the lower side of the main beam. A fixing plate is arranged on the upper surface of the electric hoist. A traveling motor is arranged in the middle of the fixing plate. The traveling motor is connected with a traveling wheel matched with the traveling track. An electromagnetic brake is arranged on the outer side surface of the traveling wheel. A column is arranged below the main beam. A collision buffer and adsorption device is arranged on the inner side surface of the upper end of the column. The infrared distance measuring sensor is connected with a controller. The utility model has the advantages of wide application range, simple structure, convenient installation, high safety, and effective protection of personal and property safety.

[0004] In the above prior art solution, when the traveling motor fails and needs to be disassembled and repaired, it is rather troublesome and inconvenient for the staff to carry out maintenance work efficiently.

[0005] Therefore, we propose a limit mechanism for a traveling motor of a single-girder crane. Content of the Utility Model

[0006] The utility model mainly solves the technical problems existing in the above prior art and provides a limit mechanism for a traveling motor of a single-girder crane.

[0007] To achieve the above object, the utility model adopts the following technical solutions. A limit mechanism for a traveling motor of a single-girder crane includes a cross beam and a traveling track opened at the bottom of the cross beam. Second chutes are opened on both sides of the bottom of the cross beam. An installation seat is slidably arranged below the cross beam. A traveling motor is fixedly installed in the inner cavity of the installation seat. Plug-in blocks are fixedly connected to both sides of the top of the installation seat. Plug-in holes are opened on the plug-in blocks. A first chute and a limit groove are respectively opened on both sides of the cross beam. Limit rods are connected to the inner cavities of the limit grooves. Limit blocks are slidably connected to the limit rods. Installation frames are fixedly connected to the mutually remote wall surfaces of the limit blocks. A first through hole and a second through hole are respectively opened on the side wall surfaces of the installation frames. A pulling rod is slidably arranged in the inner cavity of the first through hole. A pulling ring and a limit plate are respectively fixedly connected to both ends of the pulling rod. A return spring is sleeved on the pulling rod. A plug-in rod penetrates through the inner cavity of the second through hole.

[0008] Preferably, the plug-in blocks correspond to the second chutes, and the limit grooves are located above the first chutes.

[0009] Preferably, the inner cavities of the first chutes and the second chutes are communicated with each other.

[0010] Preferably, the first through hole is opened on the side wall surface of the installation frame away from the side wall surface of the first chute, the second through hole is opened on the side wall surface of the installation frame away from the first through hole, the pulling rod is matched with the first through hole, and the return spring is sleeved on the pulling rod and is located in the inner cavity of the installation frame.

[0011] Preferably, one end of the plug-in rod close to the limit plate is fixedly connected to the limit plate.

[0012] Preferably, the wall surface of the limit plate close to the installation frame is attached to the inner cavity wall surface of the installation frame, and the upper and lower wall surfaces of the limit plate are attached to the upper and lower wall surfaces of the inner cavity of the installation frame.

[0013] Beneficial effects

[0014] The utility model provides a limit mechanism for a traveling motor of a single-girder crane. It has the following beneficial effects:

[0015] For this limit mechanism for a traveling motor of a single-girder crane, through the pulling ring, the limit plate will drive the return spring to be compressed and contracted, and the plug-in rod will move out of the inner cavity of the plug-in hole. Then, the installation seat can be quickly disassembled, which is convenient for the maintenance of the traveling motor, and thus convenient for the staff to carry out maintenance work efficiently. Description of the drawings

[0016] To more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the following will briefly introduce the drawings required for use in the description of the embodiments or the prior art. Obviously, the drawings in the following description are merely exemplary, and for those of ordinary skill in the art, without creative efforts, other implementation drawings can also be obtained based on the provided drawings.

[0017] The structures, ratios, sizes, etc. shown in this specification are only used to cooperate with the content disclosed in the specification for those familiar with this technology to understand and read, and are not used to limit the limiting conditions for the implementation of the present utility model. Therefore, they do not have substantial technical significance. Any modification of the structure, change in the proportional relationship, or adjustment of the size, without affecting the efficacy that the present utility model can produce and the purpose that can be achieved, should still fall within the scope covered by the technical content disclosed in the present utility model.

[0018] Figure 1 It is a three-dimensional schematic diagram of the structure of the present utility model;

[0019] Figure 2 It is a schematic diagram of the split of the cross beam and the mounting seat of the present utility model;

[0020] Figure 3 It is a schematic diagram of the split of the cross beam and the mounting frame of the present utility model.

[0021] Legend description:

[0022] 1. Cross beam; 101. Traveling track; 102. First chute; 103. Second chute; 2. Mounting seat; 201. Traveling motor; 202. Plug-in block; 203. Plug-in hole; 3. Limit groove; 301. Limit rod; 302. Limit block; 4. Mounting frame; 401. First through hole; 402. Pulling rod; 403. Pulling ring; 404. Return spring; 405. Limit plate; 406. Second through hole; 407. Plug-in rod. Specific embodiments

[0023] The following will clearly and completely describe the technical solutions in the embodiments of the present utility model in conjunction with the drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all of the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts belong to the scope of protection of the present utility model.

[0024] Embodiment: A traveling motor limit mechanism for a single-girder crane, as Figures 1 - 3As shown in the figure, it includes a cross beam 1. A walking track 101 is provided at the bottom of the cross beam 1. Second sliding grooves 103 are provided on both sides of the walking track 101 at the bottom of the cross beam 1. An installation seat 2 is slidably arranged below the cross beam 1. A walking motor 201 is fixedly installed in the inner cavity of the installation seat 2. Plug-in blocks 202 are fixedly connected to both sides of the top of the installation seat 2 at positions corresponding to the second sliding grooves 103. Plug-in holes 203 are provided on both plug-in blocks 202. First sliding grooves 102 are provided on both sides of the cross beam 1. The inner cavities of the first sliding grooves 102 and the second sliding grooves 103 are connected. Limiting grooves 3 are provided on both sides of the cross beam 1 above the first sliding grooves 102. Limiting rods 301 are horizontally connected to the inner cavities of the two limiting grooves 3. Limiting blocks 302 are slidably connected to the two limiting rods 301. Mounting frames 4 are fixedly connected to the walls of the two limiting blocks 302 away from each other. First through holes 401 are provided on the walls of the two mounting frames 4 away from the first sliding grooves 102 at positions corresponding to the plug-in holes 203. Pulling rods 402 matched with the first through holes 401 are slidably arranged in the inner cavities of the two. Pulling rings 403 are fixedly connected to one ends of the two pulling rods 402 outside the mounting frames 4. Return springs 404 are sleeved on the two pulling rods 402 in the inner cavities of the mounting frames 4. Limiting plates 405 are fixedly connected to one ends of the two pulling rods 402 in the inner cavities of the mounting frames 4. The wall of the limiting plate 405 close to the mounting frame 4 is attached to the inner cavity wall of the mounting frame 4. Second through holes 406 corresponding to the first through holes 401 are provided on the side walls of the two mounting frames 4 away from the first through holes 401. Plug-in rods 407 penetrate through the inner cavities of the two second through holes 406. One ends of the two plug-in rods 407 close to the limiting plates 405 are fixedly connected to the limiting plates 405. The upper and lower walls of the two limiting plates 405 are attached to the upper and lower walls of the inner cavities of the mounting frames 4. The plug-in rods 407 are limited in the first sliding grooves 102.

[0025] The working principle of the present utility model:

[0026] When in use, when it is necessary to disassemble the installation seat 2, pull the pulling ring 403. At this time, the limiting plate 405 will drive the return spring 404 to be compressed and contracted. The plug-in rod 407 moves out of the inner cavity of the plug-in hole 203, releasing the limit on the plug-in block 202 on the installation seat 2. Move the installation seat 2 downward. At this time, the plug-in block 202 is released from the limit in the inner cavity of the second sliding groove 103, which is convenient for overhauling the walking motor 201 in the installation seat 2.

[0027] For ease of description, spatial relative terms, such as "above", "over", "on the upper surface", "upper", etc., may be used herein to describe the spatial positional relationship of one device or feature to other devices or features as shown in the figures. It should be understood that the spatial relative terms are intended to encompass different orientations in use or operation in addition to the orientation depicted in the figures. For example, if the device in the figures is inverted, a device described as "above" or "over" other devices or structures will then be oriented "below" or "under" the other devices or structures. Thus, the exemplary term "above" can include both the orientations of "above" and "below". The device may also be oriented in other different ways (rotated 90 degrees or at other orientations), and the corresponding explanations for the spatial relative descriptions used herein will be made accordingly.

[0028] It should be noted that the terms used herein are only for describing specific embodiments and are not intended to limit the exemplary embodiments according to the present application. As used herein, unless the context clearly indicates otherwise, the singular forms are also intended to include the plural forms. In addition, it should also be understood that when the terms "comprise" and / or "include" are used in this specification, they specify the presence of features, steps, operations, devices, components, and / or combinations thereof.

[0029] The foregoing has shown and described the basic principles, main features and advantages of the present invention. Those skilled in the art should understand that the present invention is not limited by the above embodiments, and what is described in the above embodiments and the specification is only to illustrate the principle of the present invention. Without departing from the spirit and scope of the present invention, the present invention will have various changes and improvements, and all such changes and improvements fall within the scope of the present invention claimed. The scope of protection of the present invention is defined by the appended claims and their equivalents.

Claims

1. A single-beam crane travel motor limit mechanism, comprising a crossbeam (1) and a travel track (101) provided at the bottom of the crossbeam (1), characterized in that: The bottom of the crossbeam (1) is provided with a second slide groove (103) on both sides, a mounting seat (2) is slidably provided under the crossbeam (1), a travel motor (201) is fixedly installed in the inner cavity of the mounting seat (2), plug-in blocks (202) are fixedly connected to the top of the mounting seat (2) on both sides, and plug-in holes (203) are provided on the plug-in blocks (202), and first slide grooves (102) and limit grooves (3) are respectively provided on both sides of the crossbeam (1), the inner cavities of the limit grooves (3) are connected to limit rods (301), and the limit rods (301) are slidably connected to the travel motor (201). A limit block (302) is provided, and a mounting frame (4) is fixedly connected to the wall surfaces of the limit blocks (302) that are away from each other. The side wall surfaces of the mounting frame (4) are respectively provided with a first through hole (401) and a second through hole (406). A pulling rod (402) is slidably provided in the inner cavity of the first through hole (401). A pulling ring (403) and a limit plate (405) are respectively fixedly connected at both ends of the pulling rod (402). A reset spring (404) is sleeved on the pulling rod (402), and a plug-in rod (407) passes through the inner cavity of the second through hole (406).

2. A single beam crane travel motor limit mechanism according to claim 1, characterized in that: The plug-in block (202) corresponds to the second slide groove (103), and the limiting groove (3) is located above the first slide groove (102).

3. The single-beam crane travel motor limiting mechanism according to claim 1 is characterized in that: The inner cavities of the first slide groove (102) and the second slide groove (103) are communicated with each other.

4. The single-beam crane travel motor limiting mechanism according to claim 1 is characterized in that: The first through hole (401) is provided on the side wall surface of the installation frame (4) away from the first slide groove (102), and the second through hole (406) is provided on the side wall surface of the installation frame (4) away from the first through hole (401). The pulling rod (402) cooperates with the first through hole (401), and the reset spring (404) is sleeved on the pulling rod (402) and is located in the inner cavity of the installation frame (4).

5. The single-beam crane travel motor limiting mechanism according to claim 1 is characterized in that: One end of the plug rod (407) close to the limiting plate (405) is fixedly connected to the limiting plate (405).

6. The single-beam crane travel motor limiting mechanism according to claim 1 is characterized in that: The wall surface of the limiting plate (405) close to the installation frame (4) is in contact with the inner cavity wall surface of the installation frame (4), and the upper and lower wall surfaces of the limiting plate (405) are both in contact with the upper and lower wall surfaces of the inner cavity of the installation frame (4).

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