Rapid leveling device for machining and assembling crane carriage
By designing a rapid leveling device, the crane trolley can be quickly leveled by switching the state of the tilting outriggers. This solves the problem of cumbersome and time-consuming leveling operations in the existing technology, improves the processing and assembly accuracy, and avoids structural collisions and component damage.
Patent Information
- Application Number
- CN202422943191.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-29
- Publication Date
- 2025-11-28
- Estimated Expiration
- 2034-11-29
AI Technical Summary
In the current process of machining and assembling crane trolleys, the leveling operation is cumbersome, time-consuming, and easily damaged by structural impacts, and there is a lack of efficient leveling devices.
Design a quick leveling device, including a fixing component, a flip hinge, a flip support leg, a locking pin, and a leveling screw. The device enables quick leveling of the trolley frame by switching between the vertical and horizontal states of the flip support leg, and automatically locks when not in operation.
It enables rapid adjustment of the machining and assembly precision of the trolley frame, avoids structural impacts and component damage, and simplifies the leveling process.
Smart Images

Figure CN223604328U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to a kind of quick leveling device for hoist trolley processing, assembly; BACKGROUND
[0002] The trolley of crane is the important component of crane, is the walking type hoisting equipment that reel group, pulley group, wheel group etc. are relied on trolley frame and are composed. Among them, trolley frame is the carrier of the rest of each part of hoist trolley, and it needs very high precision requirement in the whole production, processing, trolley assembly process. But trolley frame structure production will inevitably exist error and welding deformation, so trolley frame is leveled and aligned in overall processing and later assembly, to ensure that processing accuracy and assembly accuracy. Often this process mostly rely on plug, pad inclined iron or pad block to level. When adjusting, various inclined iron or pad block needs to be prepared, different inclined iron or pad block needs to be constantly exchanged, spends long time to level, process is complicated and time-consuming. In addition, when trolley frame and trolley assembly are completed and are transported, stored, in order to avoid structure knock, component damage and direct contact with ground, trolley frame and trolley machine are also faced with overhead placement problem. SUMMARY
[0003] The utility model discloses a kind of quick leveling device for hoist trolley processing, assembly, it is with trolley frame as carrier, structure outside at the four corners of trolley frame, quick leveling device is used in pairs, in non-working state, it can be turned over and stored, disassembly-free, avoid the on-site arrangement recovery work after processing, assembly.
[0004] The technical scheme of the utility model is as follows:
[0005] A kind of quick leveling device for hoist trolley processing, assembly, including fixed part, turnover hinge, turnover support leg, locking bolt, leveling screw;
[0006] The first long slot hole and the second long slot hole are provided on the fixed part, the fixed part is connected with the corner position of the top of turnover support leg through turnover hinge, when the turnover support leg is turned over to vertical state, it is fixed with the first long slot hole by locking bolt;When the turnover support leg is turned over to horizontal state, it is fixed with the second long slot hole by locking bolt;The leveling screw is also provided at the bottom of the turnover support leg.
[0007] Turnover support leg can be turned over around fixed part, when turnover support leg is turned over to vertical state and is locked by locking pin, the overhead placement of trolley frame and trolley machine can be realized. At the same time, the adjustment screw at the bottom of turnover structure part can be fine-tuned to realize quick leveling when trolley processing and trolley machine assembly. When the utility model needs to be in non-working state, locking bolt ball head can be manually pulled, after locking bolt head exits fixed part lock pin hole, turnover support leg is turned over to horizontal state to locking bolt is automatically locked.
[0008] As a further technical solution, the fixing member comprises a vertical fixed channel steel and a horizontal fixed channel steel, the horizontal fixed channel steel is welded on the side of the vertical fixed channel steel, and the two form a vertical relationship, a first long slot hole is arranged on the vertical fixed channel steel; a second long slot hole is arranged on the horizontal fixed channel steel; a short channel steel is further arranged on the top of the vertical fixed channel steel, and is used for fixing the turnover hinge.
[0009] As a further technical solution, the turnover hinge can rotate around the hinge shaft, and is welded with the short channel steel in the fixing member and the turnover leg respectively, so that the turnover of the turnover leg around the fixing member can be realized.
[0010] As a further technical solution, the turnover leg is a welded member, which is a rectangular frame structure welded by a hot-rolled channel steel and two steel plates, and threaded holes for leveling screws and through holes for locking latches are arranged on the turnover leg.
[0011] As a further technical solution, the turnover leg comprises a channel steel, and a steel plate is welded at each end of the channel steel, wherein a through hole for a locking latch is arranged on the web plate of the channel steel, and a threaded hole for a leveling screw is arranged on the lower steel plate; one end of a side plate of the channel steel is welded with the turnover hinge, so that the turnover leg can be turned to a horizontal state or a vertical state.
[0012] As a further technical solution, the locking latch comprises a sleeve, a latch and a spring, one end of the spring is welded with a step of the latch and is nested with the sleeve, the latch passes through the latch hole on the turnover leg, the other end of the spring is welded with the turnover leg, and the sleeve is welded with the turnover leg.
[0013] As a further technical solution, the sleeve and the latch are both processed from round steel,
[0014] As a further technical solution, the sleeve is processed with a through hole for nesting the spring and the latch.
[0015] As a further technical solution, the latch is processed with a ball head for locking and facilitating pulling of the turnover leg.
[0016] As a further technical solution, the leveling screw adopts a full-thread bolt, a tapered head is welded on the head of the bolt, the small head touches the ground, the friction with the ground is reduced, and the screwing of the bolt is facilitated.
[0017] The utility model is used in pairs, and the structure outside is distributed at the four corners of the trolley frame, when the trolley frame is machined or the trolley complete machine is assembled, the turnover support leg at the four corners is turned down to the vertical state, and the locking bolt is locked after being inserted into the locking pin hole of the fixing piece after the guiding bent plate during the turning over process. At this time, the trolley frame and the trolley complete machine can be placed in the air when being transported and stored, so as to avoid the structure from being bumped, the assembly from being damaged and the direct contact with the ground. Meanwhile, the leveling screw at the bottom of the turnover support leg can be adjusted to quickly adjust the height of the four corners of the trolley frame, realize the quick leveling, meet the clamping precision requirement when the trolley frame is machined and the installation precision requirement when the trolley complete machine is installed. When the utility model needs to be in the non-working state, the locking bolt ball head can be manually pulled, and the support leg is turned up to the horizontal state to the locking bolt automatic locking after the head of the locking bolt is withdrawn from the locking pin hole of the fixing piece.
[0018] The utility model has the advantages of:
[0019] 1. The utility model discloses a quick leveling device for trolley frame, which comprises a trolley frame, a plurality of turnover support legs, a plurality of leveling screws and a plurality of locking bolts.
[0020] 3. The utility model can be attached to the structure main part, and when being in the non-working state, the turnover support leg can be turned up and locked, so that the disassembly is avoided, and the on-site arrangement and recovery work after machining and assembling is avoided. BRIEF DESCRIPTION OF DRAWINGS
[0021] The drawings accompanying the specification of this application form a part thereof, serve to provide further understanding of the application, and together with the description of the preferred embodiments explain the application, but do not limit the application.
[0022] Figure 1 It is the schematic view of the utility model quick leveling device;
[0023] Figure 2 It is the schematic view of the utility model part explosion;
[0024] Figure 3 It is the schematic view of the fixing piece;
[0025] Figure 4 It is the schematic view of the turnover support leg;
[0026] Figure 5 It is the working state schematic view of the utility model;
[0027] Figure 6 It is the non-working state schematic view of the utility model;
[0028] Figure 2 In the specification, 1 is the fixing piece, 11 is the vertical fixed channel steel, 12 is the horizontal fixed channel steel, 13 is the first long slot hole, 14 is the second long slot hole, 15 is the short channel steel, and 16 is the guiding bent plate.
[0029] 2turning hinge;
[0030] 3turning leg, 31channel steel, 32steel plate, 33bolt hole, 34threaded hole;
[0031] 4tube, 5bolt, 6spring, 7leveling screw, 8leveling device, 9locking bolt; DETAILED DESCRIPTION
[0032] It should be noted that the following detailed description is illustrative only and is intended to provide further description of the application. Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs.
[0033] It should be noted that the terms used herein are merely for the purpose of describing specific embodiments and are not intended to limit exemplary embodiments according to the present application. As used herein, the singular form is intended to include the plural form unless the context clearly indicates otherwise, and it should be understood that when the term "comprising" and / or "including" is used in the specification, it means that the features, steps, operations, devices, components and / or combinations thereof are present;
[0034] For the convenience of description, if "up", "down", "left", "right" appear in the present application, it only means consistent with the up, down, left, right direction of the drawing itself, and does not limit the structure, only for the convenience of describing the present application and simplifying the description, and is not intended to indicate or imply that the device or element must have a specific orientation, be constructed and operated in a specific orientation, therefore it cannot be understood as a limitation on the present application.
[0035] As introduced in the background, in order to solve the above technical problems, the present application proposes a further description of the utility model in the following combined with the drawings and examples.
[0036] In combination with Figure 1 , Figure 2 The utility model discloses a quick leveling device for hoist trolley processing and assembly, including fixed part 1, turning hinge 2, turning leg 3, locking bolt 9, leveling screw 5.
[0037] Fixed part 1 is attached to the trolley frame and is welded and fixed with the trolley frame structure, the upper part of turning hinge 2 is welded and fixed with fixed part 1, and the lower part is welded with turning leg 3, to realize the relative turning between turning leg 3 and fixed part 1, after assembling the locking bolt, the spring and the tube are respectively spot welded with turning leg 3 in turn, and the bolt head of leveling bolt 5 is spot welded with the ground contact cone after being screwed into the corresponding threaded hole of turning leg 3.
[0038] The fixed part 1 is a welded part, which is welded by hot-rolled and cold-bent channel steel, is welded and fixed with the carrier trolley frame, has a long slot hole with a locking bolt and is provided with a guide bent plate 16 for introducing the locking bolt into position. Figure 3 The fixed part 1 includes a vertical fixed channel steel 11 and a horizontal fixed channel steel 12, the horizontal fixed channel steel 12 is welded on the side of the vertical fixed channel steel 11, the two form a vertical relationship, a first long slot hole 13 is arranged on the vertical fixed channel steel, a second long slot hole 14 is arranged on the horizontal fixed channel steel, the first long slot hole is used for fixing the turnover leg 3 in a vertical state, the second long slot hole is used for fixing the turnover leg 3 in a horizontal state, and a short channel steel 15 is further arranged at the top of the vertical fixed channel steel and is used for fixing a turnover hinge, and the end of the vertical fixed channel steel 11 and the horizontal fixed channel steel 12 is provided with the guide bent plate 16.
[0039] The turnover hinge 2 can rotate around a hinge shaft, is welded with the short channel steel in the fixed part and the turnover leg respectively, and can realize the turnover of the turnover leg around the fixed part.
[0040] The turnover leg 3 is a welded part, which is a rectangular frame structure welded by hot-rolled channel steel and two steel plates, is provided with a threaded hole for a leveling screw and a through hole for a locking bolt, and the turnover leg 3 includes a channel steel 31, a steel plate 32 is welded at the two ends of the channel steel respectively, a bolt hole 33 for the locking bolt is arranged on the web plate of the channel steel, and a threaded hole 34 for the leveling screw is arranged on the lower steel plate. Figure 4 The end of one side plate of the channel steel is welded with the turnover hinge 2, so that the turnover leg 3 can be turned to a horizontal state or a vertical state.
[0041] The locking bolt 9 is an assembled part, which includes a tube 4, a bolt 5 and a spring 6, the spring 3 is spot-welded at one end of the bolt, is nested with the tube 4, the bolt 5 is inserted through the turnover leg bolt hole after the two are nested, the other end of the spring 3 is spot-welded with the turnover leg, the sleeve is spot-welded with the turnover leg, and the assembly is completed. The tube and the bolt are both processed from round steel, the spring is a standard part, the tube is processed with a through hole for nesting the spring and the bolt, and the bolt is processed with a bolt for locking the turnover leg and a ball head for facilitating pulling;
[0042] The leveling screw 7 adopts a full-thread bolt, a tapered head is welded on the head, the small head touches the ground, the friction with the ground is reduced, and the bolt is convenient to screw.
[0043] The working principle of the utility model is as follows:
[0044] The utility model uses new type is composed of fixed part, turnover hinge, turnover support leg, locking bolt (tube, bolt, spring), leveling screw. The fixed part is attached to the trolley frame and is welded and fixed with the trolley frame structure, the upper part of turnover hinge is welded and fixed with the fixed part, the lower part is welded with turnover support leg, realizes the relative turnover between turnover support leg and fixed part, assembles locking bolt, and the spring and tube are respectively with the turnover support leg spot welding in proper order, the bolt head of leveling bolt is screwed into the corresponding thread hole of turnover support leg, and then the ground vertebra is spot welded.
[0045] The utility model is used in pairs, and is distributed on the outer side of the structure of the four corners of the trolley frame, when the trolley frame is machined or the trolley is assembled, the turnover support leg 3 at the four corners is turned down to the vertical state, and the locking bolt 9 is locked after being inserted into the locking pin hole of the fixed part 1 through the guide bent plate during the turning process. At this time, the trolley frame and the trolley can be placed in the air when transporting and storing, avoiding the structure from being damaged, the components from being damaged and being in direct contact with the ground. At the same time, the leveling screw 5 at the bottom of the turnover support leg 3 can quickly adjust the height of the four corners of the trolley frame, realize quick leveling, meet the clamping precision requirement of the trolley frame machining and the installation precision requirement of the trolley installation. When the utility model is in the non-working state, the locking bolt ball head can be manually pulled, the head of the locking bolt is withdrawn from the first long slot hole of the fixed part 1, and the turnover support leg 3 is turned up to the horizontal state to the second long slot hole and is automatically locked.
[0046] Finally, it should be noted that the relationship terms such as first and second are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between the entities or operations.
[0047] The above only describes the preferred embodiments of the present application and is not used to limit the present application. For those skilled in the art, the present application can have various modifications and changes. Any modification, equivalent replacement, improvement, etc. within the spirit and principle of the present application should be included in the protection scope of the present application.
Claims
1. A quick leveling device for hoist trolley machining, assembly, characterized in that, The fixed part, the turnover hinge, the turnover leg, the locking bolt and the leveling screw are included. The first long slot hole and the second long slot hole are arranged on the fixed part, the fixed part is connected with the corner position of the top end of the turnover leg through the turnover hinge, the turnover leg is fixed through the locking bolt and the first long slot hole when the turnover leg is turned to the vertical state, the turnover leg is fixed through the locking bolt and the second long slot hole when the turnover leg is turned to the horizontal state, and the leveling screw is arranged on the bottom of the turnover leg.
2. The quick leveling device for processing and assembling of a hoist trolley according to claim 1, characterized in that, The fixed part includes the vertical fixed channel steel and the horizontal fixed channel steel, the horizontal fixed channel steel is welded on the side of the vertical fixed channel steel, the two form the vertical relationship, the first long slot hole is arranged on the vertical fixed channel steel, the second long slot hole is arranged on the horizontal fixed channel steel, and a short channel steel is arranged on the top of the vertical fixed channel steel and used for fixing the turnover hinge.
3. The quick levelling device for processing and assembling of a trolley according to claim 2, characterized in that, The turnover hinge can rotate around the hinge shaft and is welded with the short channel steel in the fixed part and the turnover leg.
4. The quick levelling device for processing and assembling of a trolley as claimed in claim 1, wherein, The turnover leg is a welded part.
5. The quick levelling device for processing and assembling of a trolley as claimed in claim 4, wherein, The turnover leg includes a channel steel, a steel plate is welded on each end of the channel steel, a pin hole for the locking bolt is arranged on the web plate of the channel steel, a threaded hole for the leveling screw is arranged on the lower steel plate, one end of the side plate of the channel steel is welded with the turnover hinge, and the turnover leg can be turned to the horizontal state or the vertical state.
6. The quick levelling device for processing and assembling of a trolley as claimed in claim 1, wherein, The locking bolt includes a tube, a pin and a spring, the spring is welded with the pin step at one end and is nested with the tube, the pin passes through the pin hole on the turnover leg, the other end of the spring is welded with the turnover leg, and the sleeve is welded with the turnover leg.
7. The quick levelling device for processing and assembling of a trolley as claimed in claim 6, wherein, The tube and the pin are both processed from round steel.
8. The quick levelling device for processing and assembling of a trolley as claimed in claim 6, wherein, The tube is processed with the through hole for nesting the spring and the pin.
9. The quick levelling device for processing and assembling of a trolley as claimed in claim 6, wherein, The head of the pin is provided with a ball head.
10. The quick levelling device for processing and assembling of a trolley as claimed in claim 1 wherein, The leveling screw is a full-thread bolt, and a taper head is welded on the head.