Auxiliary tool for test run of crane slewing mechanism

Abstract

The utility model relates to the field of crane construction structures, in particular to a crane slewing mechanism test run auxiliary tool which comprises a top connecting section, a middle connecting section and a bottom connecting section which are sequentially fixed into an integrated structure from top to bottom. A through vertical channel is formed among the top connecting section, the middle connecting section and the bottom connecting section; the structure is in threaded connection with a pilot run motor and a speed reducer, so that the structure can be independently disassembled, assembled and transferred, and the structure is small in size and high in portability; according to the test run auxiliary tool, the arrangement and installation procedure of the speed reducers is moved forwards, the speed reducers are arranged and installed at the segmentation stage through temporary shore power by means of the test run auxiliary tool, and the requirement for rapid project propulsion can be met; and meanwhile, the final assembly time node is greatly shortened, and the influence of space limitation and cross operation on construction in the final assembly stage is avoided.

Description

Technical Field

[0001] The utility model relates to the field of crane construction structures, in particular to a trial operation auxiliary tooling for a crane slewing mechanism. Background Art

[0002] During the construction of floating cranes, the installation of slewing reducers is a laborious process that determines the overall project progress. With the increase in the number of crane products, the traditional process of installing reducers in the final assembly stage can no longer meet the requirements of rapid project advancement. In addition, the installation space is small and manual operation is more limited in the final assembly stage. Utility Model Content

[0003] The technical problem to be solved by the utility model is to provide a crane slewing mechanism trial operation auxiliary tooling to solve the above technical problems.

[0004] In order to solve the above technical problems, the technical solution of the utility model is: a crane slewing mechanism test operation auxiliary tooling, the innovation of which is: comprising a top connecting section, a middle connecting section and a bottom connecting section fixed in sequence from top to bottom as an integrated structure, and a vertical channel penetrating therebetween;

[0005] A plurality of evenly distributed threaded connection holes are provided on the periphery of the top connection section and the bottom connection section;

[0006] The top of the top connecting section is threadedly connected to a test run motor, the bottom of the bottom connecting section is threadedly connected to a reducer, the connecting shaft of the test run motor vertically passes downward into the vertical channel, and the keyway of the reducer vertically passes upward into the vertical channel near the connecting shaft of the test run motor;

[0007] A connecting piece is also provided in the vertical channel between the trial operation motor and the reducer;

[0008] The connecting member includes a top plate and a positioning pin, wherein the top plate is horizontally fixed to the bottom end of the connecting shaft of the trial running motor, the positioning pin is vertically fixed to the bottom surface of the top plate, and the bottom of the positioning pin extends into the keyway of the reducer.

[0009] Furthermore, a visual port connected to the vertical channel is provided on both sides of the middle connecting section, so as to facilitate the installation of the connecting parts and observation during trial operation.

[0010] Furthermore, there are four positioning pins, which are evenly distributed on the bottom surface of the top plate, thereby improving the connection stability between the connecting piece and the reducer.

[0011] Furthermore, the middle connecting section is a vertically arranged cylinder, the top connecting section is a horizontally arranged rectangular plate, and a receiving groove for fixing the middle connecting section is provided at the bottom end of the rectangular plate, and the bottom connecting section is a horizontally arranged circular ring plate, and the inner diameter of the circular ring plate is smaller than the inner diameter of the cylinder, and the outer diameter of the circular ring plate is larger than the outer diameter of the cylinder.

[0012] The advantages of the utility model are:

[0013] 1) The utility model is connected with the test run motor and the reducer by threads, so that the structure can be disassembled and transported separately, and the structure is small in size and highly portable;

[0014] 2) In the present invention, by moving the assembly process of the reducer forward and using the auxiliary tooling for trial operation, the reducer can be assembled in sections through temporary shore power, which can meet the requirements of rapid advancement of the project; at the same time, the assembly time node is greatly shortened, and the construction of the assembly stage is avoided from being affected by space limitations and cross-operation;

[0015] 3) In the utility model, a connector is used to achieve the docking between the test run motor and the reducer, and a plurality of positioning pins are used to improve the connection stability between the connector and the reducer, thereby improving the adaptability between the test run motor and the reducer;

[0016] 4) A visual port connected to the vertical channel is provided on both sides of the middle connecting section of the utility model, so as to facilitate the installation of the connecting parts and observation during trial operation. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] The utility model is further described in detail below in conjunction with the accompanying drawings and specific implementation methods.

[0018] Figure 1 It is the front view of the utility model.

[0019] Figure 2 It is a partial structural diagram of the utility model. DETAILED DESCRIPTION

[0020] like Figure 1 to Figure 2 The auxiliary tooling for commissioning a slewing mechanism of a crane shown in the figure comprises a connecting member 4 and a top connecting section 1, a middle connecting section 2 and a bottom connecting section 3 which are fixed in sequence from top to bottom as an integrated structure, and a vertical channel 6 is provided between the top connecting section 1, the middle connecting section 2 and the bottom connecting section 3;

[0021] A plurality of evenly distributed threaded connection holes are provided on the periphery of the top connection section 1 and the bottom connection section 3;

[0022] The middle connecting section 2 is a vertically arranged cylindrical body;

[0023] The top connecting section 1 is a horizontally arranged rectangular plate, and a receiving groove for accommodating the fixing of the middle connecting section 2 is provided at the bottom end of the rectangular plate, and a through hole for accommodating the connecting shaft of the trial running motor 7 is left in the middle of the rectangular plate;

[0024] The bottom connecting section 3 is a horizontally arranged annular plate, and the inner diameter of the annular plate is smaller than the inner diameter of the cylinder, and the outer diameter of the annular plate is larger than the outer diameter of the cylinder.

[0025] A visual port 5 communicating with the vertical passage 6 is provided on both sides of the middle connecting section 2 to facilitate installation of the connecting member 4 and observation during trial operation.

[0026] The top of the top connecting section 1 is threadedly connected with a test run motor 7, the bottom of the bottom connecting section 3 is threadedly connected with a reducer 8, the connecting shaft of the test run motor 7 vertically passes downward into the vertical channel 6, and the keyway of the reducer 8 vertically passes upward into the vertical channel 6 near the connecting shaft of the test run motor 7;

[0027] The test run motor 7 and the reducer 8 are both connected by threads, so that the structure can be disassembled and transported separately, and the structure is small in size and highly portable;

[0028] A connecting member 4 is also provided in the vertical channel 6 between the trial operation motor 7 and the reducer 8;

[0029] The connecting member 4 includes a top plate 41 and four positioning pins 42. The top plate 41 is horizontally fixed on the bottom end of the connecting shaft of the trial run motor 7. The positioning pins 42 are evenly distributed and vertically fixed on the bottom surface of the top plate 41, and the bottom of the positioning pins 42 extends into the keyway of the reducer 8, thereby improving the degree of adaptation between the trial run motor 7 and the reducer 8 and improving the connection stability between the connecting member 4 and the reducer 8.

[0030] Working principle of this patent:

[0031] The assembly process of reducer 8 is advanced to before the final assembly of the crane. First, the test motor is threadedly connected to the top of the top connection section 1, and the test motor connecting shaft extends into the vertical channel 6 through the through hole. Then the connector 4 is sent into the vertical channel 6 from the visual port 5, and the connector 4 is fixed to the bottom end of the test motor connecting shaft. Then the above structure is sleeved on the reducer 8 as a whole, and the keyway of the reducer 8 is aligned with the multiple positioning pins of the connector 4 and pushed into place. Then the reducer 8 is threadedly connected to the bottom connection section 3, and the test motor is connected to the temporary shore power. The test motor drives the gear of reducer 8 to run. By checking the meshing of the gear of reducer 8 and the outer teeth of the slewing bearing, the slewing reduction box is precisely arranged. The final assembly time node can be greatly shortened, and the construction of the final assembly stage is avoided from being affected by space limitations and cross-operation.

[0032] Those skilled in the art should understand that the present invention is not limited by the above embodiments. The above embodiments and the description are only for explaining the principle of the present invention. Without departing from the spirit and scope of the present invention, the present invention may have various changes and improvements, which are within the scope of the present invention. The scope of protection of the present invention is defined by the attached claims and their equivalents.

Claims

1. A crane slewing mechanism test operation auxiliary tooling, characterized in that: It comprises a top connecting section, a middle connecting section and a bottom connecting section which are fixed in sequence from top to bottom as an integrated structure, and a vertical channel is provided between the top connecting section, the middle connecting section and the bottom connecting section; A plurality of evenly distributed threaded connection holes are provided on the periphery of the top connection section and the bottom connection section; The top of the top connecting section is threadedly connected to a test run motor, the bottom of the bottom connecting section is threadedly connected to a reducer, the connecting shaft of the test run motor vertically passes downward into the vertical channel, and the keyway of the reducer vertically passes upward into the vertical channel near the connecting shaft of the test run motor; A connecting piece is also provided in the vertical channel between the trial operation motor and the reducer; The connecting member includes a top plate and a positioning pin, wherein the top plate is horizontally fixed to the bottom end of the connecting shaft of the trial running motor, the positioning pin is vertically fixed to the bottom surface of the top plate, and the bottom of the positioning pin extends into the keyway of the reducer.

2. The auxiliary tooling for trial operation of a crane slewing mechanism according to claim 1, characterized in that: A visual port communicating with the vertical channel is provided on both sides of the middle connecting section.

3. The auxiliary tooling for trial operation of a crane slewing mechanism according to claim 1, characterized in that: There are four positioning pins, which are evenly distributed on the bottom surface of the top plate.

4. The auxiliary tooling for trial operation of a crane slewing mechanism according to claim 1, characterized in that: The middle connecting section is a vertically arranged cylinder, the top connecting section is a horizontally arranged rectangular plate, and a receiving groove for fixing the middle connecting section is provided at the bottom end of the rectangular plate, and the bottom connecting section is a horizontally arranged circular ring plate, and the inner diameter of the circular ring plate is smaller than the inner diameter of the cylinder, and the outer diameter of the circular ring plate is larger than the outer diameter of the cylinder.

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