Lever-type power turntable no-load test device
By designing a lever-type power turntable no-load test device and using a combined structure of a tripod and a suspension bracket, the problem of large space and lifting tools required for power turntable no-load test in the prior art is solved, achieving convenient, safe and low-cost test operations.
Patent Information
- Application Number
- CN202421415558.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-06-20
- Publication Date
- 2025-07-22
- Estimated Expiration
- 2034-06-20
AI Technical Summary
The existing marine crane power turntable no-load test device requires sufficient space and lifting tools in the factory workshop, which is inconvenient to operate and difficult to debug anytime and anywhere.
A lever-type power turntable no-load test device is designed, including a tripod, a bottom support frame and a suspension bracket. The combined structure of the tripod and suspension bracket is used to fix the power turntable through the spindle and nut, and combine the pulleys on the bottom support frame for easy movement, achieving convenient fixing and debugging of the power turntable.
It realizes that without affecting the functional effect, the power turntable no-load test is more convenient and safe, saving manpower and space costs, and improving operational flexibility.
Smart Images

Figure CN223138976U_ABST
Abstract
Description
Technical Field
[0001] The utility model belongs to the technical field of ship construction machinery, and particularly relates to a lever-type power turntable no-load test device. Background Art
[0002] At present, the no-load test device of the power turntable of marine cranes is mostly tested by aviation cranes in factories. The operation of the no-load test device of the power turntable of marine cranes using an aviation crane in the factory requires that there be an aviation crane, steel wire ropes, hooks, main shafts, studs and other lifting tools in the factory workshop, and then there must be enough space below it for debugging. This is very inconvenient and cannot be debugged anytime and anywhere. Content of the Utility Model
[0003] The purpose of the utility model is to propose a lever-type power turntable no-load test device that can save labor and space costs in view of the defects existing in the prior art.
[0004] To achieve the above purpose, the utility model provides a lever-type power turntable no-load test device, which includes a tripod, a bottom support frame and a suspension bracket. The tripod is installed on the bottom support frame. The suspension bracket includes two vertically arranged plates. The plates have shaft holes that cooperate with the main shaft. The main shaft is arranged between the two plates. The main shaft is connected to the power turntable. The upper ends of the plates are welded to the middle of the top cross beam. After the main shaft passes through the shaft holes of the plates, it is fixed with nuts.
[0005] The test device of the utility model is a lever-type structure, mainly composed of a tripod, a bottom support and a suspension bracket. The tripod is welded to the bottom support frame, and the suspension bracket is welded to the tripod. After welding, the power turntable is hoisted by a crane or an aviation crane and placed in the tripod of the test device, and the main shaft and nut of the power turntable are used to fix the tripod and the power turntable.
[0006] The utility model further adopts the following technical solutions:
[0007] Preferably, the tripod includes a left tripod, a right tripod and a top cross beam connecting the left tripod and the right tripod. A support rod is respectively connected between the left tripod, the right tripod and the top cross beam.
[0008] Preferably, both the left tripod and the right tripod include two legs, an upper cross beam and a lower cross beam connected between the two legs.
[0009] Preferably, a support rod is connected between the upper cross beam and the top cross beam. The upper ends of the legs are welded to the sides of the top cross beam, and the lower ends are welded to the four corners of the bottom support frame.
[0010] Preferably, the top cross beam, the legs, the upper cross beam and the lower cross beam are made of square tubes, and the support rods are made of round tubes.
[0011] Preferably, the bottom support frame is a square frame structure formed by connecting four square steels end to end, and pulleys are respectively arranged at the four corners of the square frame structure.
[0012] Preferably, the pulley includes a fixed pulley and a movable pulley; a rib plate is arranged at the end of the square steel, and the rib plate is connected to the fixed pulley or the movable pulley through bolts and nuts, and a gasket is arranged between the rib plate and the nut.
[0013] In the above structure, the bottom support frame is assembled by square steels, rib plates, movable pulleys, fixed pulleys, bolts, nuts, gaskets, etc., with good structural stability and can move freely through the fixed pulley and the movable pulley.
[0014] In the present utility model, a tripod is welded to the bottom support frame, and then the plate of the suspension bracket is welded to the square tube of the tripod. After welding, a power turntable crane is placed in the test device frame by a crane or an aerial crane, and the main shaft and nut on the power turntable are used to fix the tripod to the power turntable; since pulleys are provided under the bottom support frame, it is convenient to move, and debugging can be carried out inside and outside the factory. At the same time, the power turntable can be well protected, and there is no need for a crane or an aerial crane to keep hanging and operating, which greatly saves labor and space costs.
[0015] In short, the test device of the present utility model is more convenient, safe and effective for the no-load test of the power turntable without affecting the functional effect, making the work more time-saving, labor-saving and space-saving, and saving costs. BRIEF DESCRIPTION OF THE DRAWINGS
[0016] The present utility model will be further described below with reference to the drawings.
[0017] Figure 1 is a schematic structural view of the present utility model.
[0018] Figure 2 is a schematic structural view of the tripod in the present utility model.
[0019] Figure 3 is Figure 2 a side view of
[0020] Figure 4 is a schematic structural view of the bottom support frame in the present utility model.
[0021] Figure 5 is Figure 4 a top view of
[0022] Figure 6 is a front view of the suspension bracket in the present utility model.
[0023] In the figure: 1. Tripod, 101. Top crossbeam, 102. Left tripod, 103. Right tripod, 104. Support rod, 105. Upper crossbeam, 106. Lower crossbeam, 107. Leg, 2. Bottom support frame, 201. Square steel, 202. Movable pulley, 203. Fixed pulley, 3. Hanging bracket, 301. Plate, 302. Spindle. Detailed implementation
[0024] As Figure 1 shown, a lever - type power turntable no - load test device includes a tripod 1, a bottom support frame 2 and a hanging bracket 3. The tripod 1 is welded to the bottom support frame 2.
[0025] As Figure 2 and Figure 3 shown, the tripod 1 includes a left tripod 102, a right tripod 103 and a top crossbeam 101 connecting the left tripod 102 and the right tripod 103. A support rod 104 is respectively connected between the left tripod 102 and the top crossbeam 101, and between the right tripod 103 and the top crossbeam 101. Among them, both the left tripod 102 and the right tripod 103 include two legs 107 and an upper crossbeam 105 and a lower crossbeam 106 connecting between the two legs 107. A support rod 104 is connected between the upper crossbeam 105 and the top crossbeam 101, playing a role in supporting and fixing. The upper ends of the legs 107 are welded to the side of the top crossbeam 101, and the lower ends are welded to the four corners of the bottom support frame 2. The top crossbeam 101, the legs 107, the upper crossbeam 105, and the lower crossbeam 106 are all made of square tubes, and the support rod 104 is made of a round tube. The tripod 1 is composed of welded square tubes and round tubes.
[0026] As Figure 4 and Figure 5 shown, the bottom support frame 2 is a square frame structure composed of four square steels 201 connected end - to - end. Pulleys are respectively provided at the four corners of this square frame structure. The pulleys include two fixed pulleys 203 and two movable pulleys 202. One arrangement of the fixed pulley 203 and the movable pulley 202 is: two fixed pulleys 203 are arranged at the rear side of the square frame structure, and two movable pulleys 202 are arranged at the front side of the square frame structure. Rib plates are provided at the ends of the square steels 201. The rib plates are connected to the fixed pulley 203 or the movable pulley 202 through bolts and nuts, and gaskets are arranged between the rib plates and the nuts. Bolts, nuts and gaskets are used to fix the pulleys, that is, the upper end of the rib plate is welded to one end of the square steel 201, the lower end is provided with a bolt hole, the bolt passing through the pulley passes through the bolt hole and is fixed with a nut, and a gasket is arranged between the nut and the rib plate.
[0027] As Figure 6As shown in the figure, the suspension bracket 3 includes two vertically arranged plates 301, and the plates 301 are provided with shaft holes that can cooperate with the main shaft. The main shaft 302 is arranged between the two plates 301, and the main shaft 302 is connected to the power turntable. The upper ends of the plates 301 are welded to the middle of the top cross beam 101 of the tripod 1, and the main shaft 302 is fixed with nuts after passing through the shaft holes of the plates 301.
[0028] The tripod 1 is welded to the bottom support bracket 2, and the plates 301 of the suspension bracket 3 are welded to the top square tube of the tripod 1. The test device is connected to the power turntable by passing the main shaft 302 on the power turntable through the shaft hole openings on the plates 301, and then locked and fixed with nuts. The test device of the present utility model is convenient to move, can be debugged both inside and outside the factory, and can also well protect the power turntable during the test process, that is, the power turntable is suspended inside the tripod 1, which can avoid being touched by external things.
[0029] In addition to the above embodiments, the present utility model can also have other implementation manners. All technical solutions formed by equivalent replacement or equivalent transformation fall within the protection scope required by the present utility model.
Claims
1. A lever-type power turntable no-load test device, characterized in that: It includes a tripod, a bottom support frame and a suspension bracket. The tripod is installed on the bottom support frame. The suspension bracket includes two vertically arranged plates. The plates have shaft holes that cooperate with the main shaft. The main shaft is arranged between the two plates. The main shaft is connected to a power turntable. The upper ends of the plates are welded to the middle of the top cross beam. After the main shaft passes through the shaft holes of the plates, it is fixed with nuts.
2. The no-load test device of a lever-type power turntable according to claim 1, characterized in that: The tripod includes a left tripod, a right tripod and a top cross beam connecting the left tripod and the right tripod. A support rod is respectively connected between the left tripod, the right tripod and the top cross beam.
3. The no-load test device for a lever-type power turntable according to claim 2, wherein: Both the left tripod and the right tripod include two legs, an upper cross beam and a lower cross beam connected between the two legs.
4. The lever-type power turntable no-load test device according to claim 3, wherein: A support rod is connected between the upper cross beam and the top cross beam. The upper ends of the legs are welded to the sides of the top cross beam, and the lower ends are welded to the four corners of the bottom support frame.
5. The no-load test device for a lever-type power turntable according to claim 4, wherein: The top cross beam, the legs, the upper cross beam and the lower cross beam are made of square tubes, and the support rods are made of round tubes.
6. The no-load test device for a lever-type power turntable according to claim 1, wherein: The bottom support frame is a square frame structure formed by connecting four square steels end to end. Pulleys are respectively provided at the four corners of the square frame structure.
7. The no-load test device for a lever-type power turntable according to claim 6, characterized in that: The pulley includes a fixed pulley and a movable pulley. A rib plate is provided at the end of the square steel. The rib plate is connected to the fixed pulley or the movable pulley through bolts and nuts. A gasket is provided between the rib plate and the nut.