Balanced heavy load rotary speed reducer of tower crane

Abstract

The utility model relates to the technical field of speed reducers, in particular to a tower crane balance heavy load rotary speed reducer which comprises a speed reducer body, a limiting frame is fixedly installed at the output end of the speed reducer body, meshed gears are arranged in the limiting frame, an installation rod is installed in the middle of the surface of one gear in a height mode, and a hollow shaft is arranged at one end of the installation rod. A mounting assembly is arranged at one end of the hollow shaft, a storage assembly is fixedly mounted on one side of the interior of the limiting frame, the mounting assembly comprises a connecting rod fixedly mounted in the hollow shaft, a limiting groove is formed in the connecting rod, and a limiting rod is arranged in the limiting groove. According to the rapid installation device for the hollow shaft, the installation assembly is installed in the hollow shaft by a worker, then the installation assembly is rotated, after the installation assembly is rotated, the installation assembly is installed in the hollow shaft, and the rapid installation efficiency of the hollow shaft is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of speed reducer, concretely relates to a tower crane balance heavy load slewing speed reducer. BACKGROUND

[0002] With the rapid development of Chinese economy, the construction engineering industry is also developing vigorously. As an important construction machinery equipment, the super high tower crane is widely used in the construction process of high-rise buildings. The slewing speed reducer is an important rotating part of the super high tower crane, however, due to the need to bear huge load and slewing torque in the working process of the super high tower crane, the traditional slewing speed reducer often cannot meet the requirements of high strength and high load.

[0003] In the public number for CN221051429U disclosed in a kind of super high tower crane balance heavy load slewing speed reducer, although, including base and end cover, the inside of the base is fixedly connected with slewing ring by bolt, the outer side of the slewing ring is rotatably connected with turbine ring, one side of the base is fixedly connected with balance mechanism, the utility model is rotated by handle and cam piece, its protruding position promotes inner support block to slide outward in the limit seat, when roller contacts transmission shaft surface, stops to turn handle, while cam piece and ratchet wheel are coaxial through center shaft, after the rotation of cam piece stops, ratchet wheel also stops rotation, is stopped by ratchet pawl plate and limits, other groups are also operated, multiple rollers are limited on the outer surface of super high tower crane transmission shaft, auxiliary limit transmission shaft, avoid transmission shaft slewing when shaking, thereby increase the slewing stability of transmission shaft under heavy load, further improve the running stability of super high tower crane.

[0004] But when using the speed reducer, long time operation will cause high temperature in its interior, the generation of high temperature will cause the operation of internal parts not smooth, and when the hollow shaft needs to be installed, the installation steps are slow. UTILITY MODEL CONTENTS

[0005] In view of the above shortcomings of prior art, the utility model provides a tower crane balance heavy load slewing speed reducer, which can effectively solve the problem that the existing technology uses the speed reducer, long time operation will cause high temperature in its interior, the generation of high temperature will cause the operation of internal parts not smooth, and when the hollow shaft needs to be installed, the installation steps are slow.

[0006] To achieve the above purpose, the utility model is realized by the following technical scheme:

[0007] The utility model provides a tower crane balance heavy rotary speed reducer, including speed reducer, the output fixed mounting of speed reducer has the limit frame, the inside of limit frame is provided with the gear of mutual engagement, one of gear surface middle part height installs the mounting rod, the one end of mounting rod is provided with the hollow shaft, the one end of hollow shaft is provided with the mounting assembly, the one side fixed mounting of limit frame inside has the storage component.

[0008] The mounting assembly includes a connecting rod fixedly installed in the hollow shaft, a limiting groove is formed in the inside of the connecting rod, a limiting rod is arranged in the inside of the limiting groove, guide blocks are fixedly installed on both sides of the surface of the limiting rod, and a limiting block is fixedly installed at one end of the limiting rod.

[0009] The size of the limiting groove and the size of the guide block are matched, and the guide block is clamped in the inside of the limiting groove.

[0010] The diameter of the limiting block and the diameter of the inside of the hollow shaft are matched, and the limiting block seals the inside of the hollow shaft.

[0011] The storage component includes a storage frame fixedly installed in the inside of the limit frame, a guide pipe is fixedly installed on one side of the surface of the storage frame, a positioning groove is formed in one side of the top of the storage frame, and a water inlet pipe is fixedly installed in the inside of the positioning groove.

[0012] The guide pipe is above the gear, a tapered pipe is fixedly installed at one end of the guide pipe, and the tapered pipe can increase the impact force of the downward falling lubricating oil.

[0013] A supporting base is fixedly installed at the bottom of the speed reducer, an anti-skid pad is arranged at the bottom of the supporting base, and the supporting base and the limit frame are in the same horizontal plane.

[0014] Compared with the prior art, the technical scheme provided by the utility model has the following beneficial effects:

[0015] 1. By arranging the speed reducer, the limit frame and the mounting assembly, during use, the personnel installs the mounting assembly in the inside of the hollow shaft, then rotates the mounting assembly, and after rotating the mounting assembly, the mounting assembly is installed in the inside of the hollow shaft, thereby improving the efficiency of quickly installing the hollow shaft.

[0016] 2. By arranging the limit frame, the storage component and the gear, during use, the personnel adds lubricant in the inside of the storage component, then rotates the gear, the lubricant falls into the inside of the gear, the lubricant protects the gear, and the smoothness during the operation of the speed reducer and the service life of the speed reducer are improved. DRAWINGS

[0017] In order to more clearly illustrate the technical solutions of the embodiments of the present application or the prior art, the following will briefly introduce the drawings needed to be used in the embodiments or prior art description. Obviously, the drawings in the following description are only some embodiments of the present application, and for those skilled in the art, other drawings can also be obtained from these drawings without creative labor.

[0018] Figure 1 It is a schematic diagram of the overall structure of the present application.

[0019] Figure 2 It is a schematic diagram of the split structure of the present application.

[0020] Figure 3 It is a schematic diagram of the storage assembly structure of the present application.

[0021] Figure 4 It is a schematic diagram of the overall structure of the present application Figure 3 It is a schematic diagram of the enlarged view of A in the present application.

[0022] Reference signs: 1, speed reducer; 2, limiting frame; 3, gear; 4, mounting rod; 5, hollow shaft; 6, mounting assembly; 61, connecting rod; 62, limiting rod; 63, guide block; 64, limiting block; 7, storage assembly; 71, storage frame; 72, guide pipe; 73, water inlet pipe. DETAILED DESCRIPTION

[0023] In order to make the purpose, technical scheme and advantages of the embodiments of the present application more clear, the following will combine the drawings in the embodiments of the present application to clearly and completely describe the technical scheme in the embodiments of the present application. Obviously, the described embodiments are part of the embodiments of the present application, not all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor are within the scope of protection of the present application.

[0024] The present application will be further described below in conjunction with the embodiments.

[0025] Embodiment: Refer to Figures 1 to 4 A tower crane balance heavy load slewing speed reducer, including speed reducer 1, the bottom of speed reducer 1 is fixedly installed with support base, the bottom of support base is provided with anti-skid pad, support base and limiting frame 2 are in the same horizontal plane, the output end of speed reducer 1 is fixedly installed with limiting frame 2, the inside of limiting frame 2 is provided with meshing gear 3, one of gear 3 surfaces is fixedly installed with mounting rod 4 in the middle part, one end of mounting rod 4 is provided with hollow shaft 5, one end of hollow shaft 5 is provided with mounting assembly 6, one side inside limiting frame 2 is fixedly installed with storage assembly 7.

[0026] The mounting assembly 6 includes a connecting rod 61 fixedly installed inside the hollow shaft 5. The connecting rod 61 has a limiting groove inside, and a limiting rod 62 is provided inside the limiting groove. Guide blocks 63 are fixedly installed on both sides of the surface of the limiting rod 62, and a limiting block 64 is fixedly installed at one end of the limiting rod 62. The size of the limiting groove is adapted to the size of the guide block 63. The guide block 63 is engaged inside the limiting groove. The diameter of the limiting block 64 is adapted to the diameter inside the hollow shaft 5. The limiting block 64 seals the inside of the hollow shaft 5.

[0027] The operator inserts the limiting rod 62 into the connecting rod 61, and then rotates the limiting rod 62. When the limiting rod 62 rotates, it will drive the guide block 63 to rotate. Then the guide block 63 will be locked inside the connecting rod 61, and the limiting block 64 will seal the connecting rod 61.

[0028] The storage component 7 includes a storage frame 71 fixedly installed inside the limiting frame 2. A guide tube 72 is fixedly installed on one side of the surface of the storage frame 71. A positioning groove is opened on one side of the top of the storage frame 71. A water inlet pipe 73 is fixedly installed inside the positioning groove. The guide tube 72 is located above the gear 3. A tapered tube is fixedly installed at one end of the guide tube 72. The tapered tube can increase the impact force of the lubricating oil falling downward.

[0029] Personnel introduce lubricant into the storage box 71 through the guide tube 72. The lubricant that enters the storage box 71 will then enter the water inlet pipe 73, which will guide the lubricant into the gear 3.

[0030] Working principle: First, the limiting rod 62 is inserted into the connecting rod 61. Then, the operator rotates the limiting rod 62. When the limiting rod 62 rotates, it will drive the guide block 63 to rotate. Then, the guide block 63 will be locked inside the connecting rod 61. The limiting block 64 will seal the connecting rod 61. Then, the lubricant is introduced into the storage box 71 through the guide tube 72. The lubricant entering the storage box 71 will then enter the water inlet pipe 73. The water inlet pipe 73 will guide the lubricant, and the lubricant will then enter the gear 3.

[0031] The above embodiments are only used to illustrate the technical solutions of this utility model, and are not intended to limit it. Although this utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that modifications can still be made to the technical solutions described in the foregoing embodiments, or equivalent substitutions can be made to some of the technical features. Such modifications or substitutions will not cause the essence of the corresponding technical solutions to deviate from the protection scope of the technical solutions of the embodiments of this utility model.

Claims

1. A tower crane counterweight slewing reducer, comprising a reducer (1), characterized in that: The output end of the speed reducer (1) is fixedly installed with a limiting frame (2), the inside of the limiting frame (2) is provided with meshing gears (3), the middle part of the surface of one of the gears (3) is fixedly installed with a mounting rod (4), one end of the mounting rod (4) is provided with a hollow shaft (5), one end of the hollow shaft (5) is provided with a mounting assembly (6), one side of the inside of the limiting frame (2) is fixedly installed with a storage assembly (7).

2. The tower crane counterweight rotary reducer of claim 1, wherein, The mounting assembly (6) comprises a connecting rod (61) fixedly installed in the inside of the hollow shaft (5), the inside of the connecting rod (61) is provided with a limiting groove, the inside of the limiting groove is provided with a limiting rod (62), both sides of the surface of the limiting rod (62) are fixedly installed with guide blocks (63), one end of the limiting rod (62) is fixedly installed with a limiting block (64).

3. The tower crane counterweight rotary reducer of claim 2, wherein, The size of the limiting groove and the size of the guide blocks (63) are matched, the guide blocks (63) are clamped in the inside of the limiting groove.

4. The tower crane counterweight rotary reducer of claim 2, wherein, The diameter of the limiting block (64) and the diameter of the inside of the hollow shaft (5) are matched, the limiting block (64) seals the inside of the hollow shaft (5).

5. The tower crane counterweight rotary reducer of claim 1, wherein, The storage assembly (7) comprises a storage frame (71) fixedly installed in the inside of the limiting frame (2), one side of the surface of the storage frame (71) is fixedly installed with a guide pipe (72), one side of the top of the storage frame (71) is provided with a positioning groove, the inside of the positioning groove is fixedly installed with a water inlet pipe (73).

6. The tower crane counterweight rotary reducer of claim 5, wherein, The guide pipe (72) is above the gear (3), one end of the guide pipe (72) is fixedly installed with a conical pipe, the conical pipe can increase the impact force of the downward falling lubricating oil.

7. The tower crane counterweight rotary reducer of claim 1, wherein, The bottom of the speed reducer (1) is fixedly installed with a supporting base, the bottom of the supporting base is provided with an anti-skid pad, the supporting base and the limiting frame (2) are in the same horizontal plane.

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