CN112378649B - Speed reducer fixing device for speed reducer comprehensive experiment table - Google Patents
Speed reducer fixing device for speed reducer comprehensive experiment table Download PDFInfo
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- CN112378649B CN112378649B CN202011118696.XA CN202011118696A CN112378649B CN 112378649 B CN112378649 B CN 112378649B CN 202011118696 A CN202011118696 A CN 202011118696A CN 112378649 B CN112378649 B CN 112378649B
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M13/00—Testing of machine parts
- G01M13/02—Gearings; Transmission mechanisms
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
- B25B11/00—Work holders not covered by any preceding group in the subclass, e.g. magnetic work holders, vacuum work holders
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/50—Photovoltaic [PV] energy
Abstract
The invention relates to a speed reducer fixing device for a speed reducer comprehensive experiment table, which comprises a fixing support, a speed reducer clamping mechanism, a clamping driving device and a lifting supporting mechanism, wherein the speed reducer clamping mechanism comprises two clamping blocks symmetrically arranged on the left side and the right side in the fixing support, the two clamping blocks are arranged on the clamping driving device and driven by the clamping driving device to synchronously move in opposite directions or in reverse directions so as to clamp or loosen a speed reducer, and the lifting supporting mechanism is arranged on the lower part of the fixing support so as to lift the speed reducer to a set height and assist in installation of the speed reducer. The device not only can be accurate, convenient, high-efficient with reduction gear fixed mounting on the laboratory bench, can adapt different structure size's reduction gear moreover.
Description
Technical Field
The invention belongs to the technical field of speed reducer testing, and particularly relates to a speed reducer fixing device for a speed reducer comprehensive experiment table.
Background
The manufacturing industry is the foundation of national economy and is also the main battlefield of 'innovation drive, transformation upgrade' of the economy of China in future. The advantages of replacing manual work by the industrial robot are more and more obvious, and the industrial robot plays a more critical role in a period of time in the future. Meanwhile, the speed reducer is used as a core component in the industrial robot, the cost of the whole speed reducer accounts for 35%, the design and the manufacture of a detection platform of the speed reducer are related to the detection precision and the efficiency of the speed reducer, the industrial robots under different working conditions have different requirements on the speed reducer, the overall dimension and the like of the speed reducer are different, and the realization of precision measurement of the multi-scale and high-efficiency precision speed reducer is one of the key problems of the comprehensive performance test of the speed reducer at the present stage. Therefore, the comprehensive performance test platform for researching the precision speed reducer has great engineering application value for promoting the measurement efficiency and production of the speed reducer.
The existing comprehensive test platform for the precision speed reducer mainly adopts a horizontal experiment table, and a driving motor, a torque, the speed reducer, a load motor and the like are installed on the same horizontal plane, as shown in patents CN201910012641.1 and CN 201210385572.7. The installation of the tested speed reducer is one of the key steps for realizing the test, and the detection precision is directly determined. The installation difficulty of the speed reducer is 2: the 1 st is the fixation of the reducer. The fixed bolster installation of current test platform is surveyed the reduction gear size comparatively single, only can install the overall dimension and the same reduction gear of mounting hole size that has processed in the fixed bolster. However, the external dimensions of the speed reducers under different working conditions are different, and for the problem, the conventional method is to process a corresponding mounting disc according to the external dimensions of the speed reducer to be mounted before the speed reducer is mounted, then mount and fix the speed reducer to be tested through a specially-made mounting disc, and directly replace the whole fixing support if the speed reducer is too large or too small in size. The 2 nd is the positioning of the reducer. Most of the speed reducers are heavy, a plurality of persons are required to cooperatively install the speed reducers before positioning, two persons lift the speed reducers, the other person pushes the speed reducers into holes to be installed, the installation efficiency is very low, the speed reducers are difficult to align with the installation supports in the horizontal direction, physical strength and operation experience of operators are also a serious challenge, few parts of the speed reducers are installed by adopting electric hoists in an auxiliary mode, and the alignment and the accuracy of fixed installation of the speed reducers are difficult to ensure due to the fact that the height of the speed reducers is difficult to control; in conclusion: because surveyed reduction gear size is not of uniform size, and the horizontal reduction gear mounting hole of commonly using is the fixed hole of having processed, can't realize the installation of many sizes reduction gear, if need measure the reduction gear of different models and need follow the whole mounting bracket of changing, and mounting bracket manufacturing accuracy and manufacturing cost are all very high, cause the wasting of resources easily.
With the rapid development of the design and manufacturing level of the speed reducer, the overall dimension of the speed reducer is increased from 120mm to 500mm in diameter, although the speed reducer testing system is effectively improved at home and abroad, speed reducer mounting brackets of different models still need to be designed aiming at speed reducers of different models, and a mounting device capable of realizing cross-scale mounting, automation and high efficiency and replacing the precision speed reducer in model is lacked.
Disclosure of Invention
The invention aims to provide a speed reducer fixing device for a comprehensive speed reducer experiment table, which not only can accurately, conveniently and efficiently fix and install a speed reducer on the experiment table, but also can be adapted to speed reducers with different structural sizes.
In order to realize the purpose, the invention adopts the technical scheme that: the utility model provides a reduction gear fixing device for reduction gear comprehensive experiment platform, includes fixed bolster, reduction gear clamping mechanism, presss from both sides tight drive arrangement and lift supporting mechanism, reduction gear clamping mechanism locates two grip blocks of left and right both sides in the fixed bolster including the symmetry, two grip blocks are installed on pressing from both sides tight drive arrangement to in step opposite directions or reverse motion under its drive, and then press from both sides tightly or relax the reduction gear, lift supporting mechanism installs in the fixed bolster lower part to promote the reduction gear to setting for the height, the installation of supplementary reduction gear.
Further, the fixed bolster is installed on reduction gear comprehensive experiment platform.
Further, the grip block sets the reduction gear fixed plate of multiple different shapes, specification, different positions distribute the fixing bolt hole of multiple different models on the grip block, after the grip block presss from both sides tight reduction gear, install the reduction gear fixed plate of corresponding shape, specification through corresponding fixing bolt, another lateral part of reduction gear fixed plate and reduction gear fixed connection to the reduction gear of the fixed not unidimensional structure of adaptation prevents that the reduction gear from taking place the rotation.
Furthermore, the clamping blocks are of a V-shaped structure, so that a rhombic clamping space is formed through synchronous opposite movement of the two clamping blocks to clamp the speed reducer.
Furthermore, the middle part of the outer side of each clamping block is connected with a guide rod, guide through holes matched with the guide rods are formed in the left side and the right side of the fixed support respectively, and the guide rods of the two clamping blocks penetrate through the corresponding guide through holes respectively and are in sliding fit with the guide through holes so as to further guide the movement of the clamping blocks and guarantee the centering property in the installation process of the speed reducer.
Furthermore, the clamping driving device consists of two driving mechanisms which are symmetrically arranged at the upper side and the lower side in the fixed support, each driving mechanism comprises a slide rail, two slide blocks, a power unit and a rotating block, the two slide blocks are arranged on the slide rails, one ends of the two clamping blocks are respectively arranged on the corresponding slide blocks, a fixed seat is fixedly arranged in the middle of each slide rail, a body of the power unit is arranged at the lower part of one slide block, the front end of a push rod of the power unit is fixedly connected with the lower part of the fixed seat, the rotating block is rotatably connected to the upper part of the fixed seat, and the two outer side parts of the rotating block are respectively hinged with the two slide blocks through a connecting rod so as to realize the conversion of sliding and rotating between the slide blocks and the rotating block; when the push rod extends or contracts, one of the slide blocks is driven to be far away from or close to the middle part of the slide rail, and then the rotating block is driven to rotate, so that the other slide block is driven to be linked, and the two slide blocks synchronously move in the opposite direction or move in the opposite direction.
Further, the power unit is an electric push rod or a hydraulic cylinder.
Further, the lifting support mechanism comprises a hydraulic lifting top and a support seat, the hydraulic lifting top is installed on the lower portion of the front end of the fixed support, and the support seat is installed on the hydraulic lifting top and driven to ascend or descend so as to convey the speed reducer to a set height.
Compared with the prior art, the invention has the following beneficial effects: the fixing device for installing the speed reducers of various models and different structural sizes on the comprehensive experiment table of the speed reducer is provided, on one hand, the problems that the speed reducer of a fixing support on the conventional comprehensive experiment table of the speed reducer is single in installation type, low in detection and installation efficiency and the like are solved, the installation efficiency and the installation precision are improved, and the requirements of the installation of the speed reducer on operators are reduced; on the other hand, through adjusting the grip block on the fixed bolster, the installation and the detection of the reduction gear of adaptable different overall dimension have greatly improved test platform's utilization ratio, have practiced thrift the detection cost of reduction gear. Therefore, the invention has strong practicability and wide application prospect.
Drawings
Fig. 1 is a schematic structural diagram of a comprehensive experiment table of a speed reducer in an embodiment of the invention.
Fig. 2 is a schematic structural diagram of an apparatus according to an embodiment of the present invention.
Fig. 3 is a schematic view of a connection structure of a clamping mechanism and a clamping driving device of the speed reducer according to the embodiment of the invention.
Fig. 4 is a schematic front view of the clamping driving device in the embodiment of the invention.
Fig. 5 is a schematic view of the back structure of the clamp driving device in the embodiment of the invention.
Detailed Description
The invention is described in further detail below with reference to the figures and the embodiments.
In order to better illustrate the superiority of the invention, firstly, the structure and the working process of the comprehensive experiment table of the speed reducer are illustrated, as shown in fig. 1, a loading motor 21, a torque sensor 22, a grating 23, a fixed support 1, a grating 24, a torque sensor 25 and a load motor 26 are arranged in a straight line from right to left, power is input from the loading motor and is input to the input end of the speed reducer through a transmission shaft, then the output end of the speed reducer is connected with the grating and the like, and the detection of signals of the input end and the output end of the speed reducer is realized. For the detection of the performance of the speed reducer, the key points are the positioning and the installation of the speed reducer, the installation of the existing speed reducer is that a fixed support can only be provided with one or two speed reducers and can not be directly installed on the fixed support, and a specific speed reducer fixed disc needs to be processed to be installed on the fixed support, so that the detection cost of the speed reducer is increased, and the problems that the type of the detected speed reducer fixed by the existing fixed support is single and the like exist; secondly, for the installation of the speed reducer, most of the speed reducer is carried and installed manually, the speed reducer can be installed in the fixed support only by cooperation of a plurality of persons, the installation precision and the centering property of the speed reducer are difficult to guarantee, and the physical strength and the installation experience of an installer are very challenging; and a small number of parts are installed by adopting an electric hoist crane in an auxiliary way, but the height is difficult to control in the installation process, so that the positioning holes between the horizontal axis and the fixing part are difficult to align, and the problems of low installation efficiency of the speed reducer and the like exist. The invention provides a speed reducer fixing device to solve the problems that the type of the speed reducer to be measured mounted on the existing fixing support is single, the positioning precision of manual mounting is low, the mounting efficiency is low and the like.
Referring to fig. 2-5, the reducer fixing device for the reducer comprehensive experiment table of the invention comprises a fixing support 1, a reducer clamping mechanism, a clamping driving device and a lifting supporting mechanism, wherein the fixing support 1 is installed on the reducer comprehensive experiment table, the reducer clamping mechanism comprises two clamping blocks 2 symmetrically arranged on the left side and the right side in the fixing support, the two clamping blocks 2 are installed on the clamping driving device and driven by the clamping driving device to synchronously move in opposite directions or in reverse directions so as to clamp or loosen the reducer, and the lifting supporting mechanism is installed at the lower part of the fixing support so as to lift the reducer to a set height and is matched with the clamping driving device to realize the installation of the reducer.
Wherein, grip block 2 sets the reduction gear fixed plate 3 of multiple different shapes, specification, the different positions distribute on grip block 2 has the fixing bolt hole 4 of multiple different models, after the grip block presss from both sides tight reduction gear, through the reduction gear fixed plate of the corresponding shape of corresponding fixing bolt installation, specification, another lateral part of reduction gear fixed plate and reduction gear fixed connection to the reduction gear of the fixed not unidimensional structure of adaptation prevents that the reduction gear from taking place the rotation. In this embodiment, the speed reducer fixing plates are L-shaped and T-shaped, and corresponding speed reducer fixing plates can be selected according to different types of speed reducers; the fixing holes of different models are formed in the speed reducer fixing plate, the speed reducer can be installed in the shape, and the problem that the speed reducer rotates under the working condition of large torque is effectively avoided.
The clamping blocks 2 are of V-shaped structures, and synchronous opposite movement of the two clamping blocks forms a rhombic clamping space to clamp the speed reducer. The middle part of the outer side of each clamping block is connected with a guide rod 5, guide through holes matched with the guide rods are formed in the left side and the right side of the fixed support 1 respectively, the guide rods of the two clamping blocks penetrate out of the corresponding guide through holes respectively and are in sliding fit with the guide through holes, so that the movement of the clamping blocks is further guided, the movement stability of the clamping blocks of the speed reducer is effectively guaranteed while the rigidity is improved, and the centering performance in the installation process of the speed reducer is guaranteed.
The clamping driving device consists of two driving mechanisms which are symmetrically arranged at the upper side and the lower side in the fixed support, each driving mechanism comprises a sliding rail 6, two sliding blocks 7, a power unit 8 and a rotating block 9, the two sliding blocks 7 are arranged on the sliding rails 6, one ends of the two clamping blocks 2 are respectively arranged on the corresponding sliding blocks 7, a fixed seat 10 is fixedly arranged in the middle of each sliding rail 6, the body of each power unit 8 is arranged at the lower part of one sliding block, the front end of a push rod 11 of each power unit is fixedly connected with the lower part of the corresponding fixed seat 10, the rotating block 9 is rotatably connected to the upper part of the corresponding fixed seat 10, and the two outer side parts of the rotating block 9 are respectively hinged to the two sliding blocks 7 through a connecting rod 12 so as to realize the conversion between the sliding blocks and the rotating blocks; when the push rod extends or contracts, one of the slide blocks is driven to be far away from or close to the middle part of the slide rail, and then the rotating block is driven to rotate, so that the other slide block is driven to be linked, and the two slide blocks synchronously move in the opposite direction or move in the opposite direction. In this embodiment, the power unit is an electric push rod or a hydraulic cylinder.
In this embodiment, the connecting point of the connecting rod and the sliding block is located at the symmetrical center of the sliding block. In order to avoid the sliding block from moving to the dead point of the mechanism and enable the mechanism to be dead against, a limiting block can be arranged on the sliding rail to limit the outward maximum displacement of the sliding block, so that the two connecting rods cannot be collinear. In other embodiments of the present invention, the connection points of the two connecting rods and the corresponding sliding blocks may also be disposed at two sides deviated from the symmetrical center position, so that when the sliding blocks move from the outermost side to the middle of the sliding rail, the sliding blocks do not have a "dead-up" condition due to the lateral force.
The lifting support mechanism comprises a hydraulic lifting jack 13 and a support seat 14, the hydraulic lifting jack 13 is installed at the lower part of the front end of the fixed support 1, and the support seat 14 is installed on the hydraulic lifting jack 13 and driven by the hydraulic lifting jack to ascend or descend so as to convey the speed reducer to a set height.
The working principle of the invention is as follows: firstly, the speed reducer is placed on the supporting seat, and the speed reducer to be installed is lifted to a preset station by controlling the hydraulic lifting jack at the lower end of the supporting seat. Then control the grip block through pressing from both sides tight drive arrangement and press from both sides tightly to the reduction gear in step, when the clamping-force of grip block reaches and locks after presetting the clamp force, choose for use with the reduction gear mounting hole and the supporting reduction gear fixed plate of fixing bolt hole that sets up on the grip block, fix the reduction gear through the bolt. Then, the supporting seat descends to the initial position through the hydraulic lifting jack, and the installation of the speed reducer is completed. The dismounting process is opposite to the mounting process, the coaxial speed reducers with different overall dimensions can be mounted by adopting the speed reducer fixing plates with different models, the mounting and dismounting process is simple in operation, the mounting time is saved, and the mounting efficiency and the mounting precision of the whole machine are improved. After the speed reducer is installed, a power input source and a detection source of the test bed are respectively connected with an input shaft and an output shaft of the speed reducer, and the comprehensive performance experiment of the speed reducer can be realized after debugging and checking.
The above description is only a preferred embodiment of the present invention, and does not limit the technical scope of the present invention, so that the changes or modifications made by the claims and the specification of the present invention should fall within the scope of the present invention.
Claims (4)
1. A speed reducer fixing device for a speed reducer comprehensive experiment table is characterized by comprising a fixing support, a speed reducer clamping mechanism, a clamping driving device and a lifting supporting mechanism, wherein the speed reducer clamping mechanism comprises two clamping blocks symmetrically arranged on the left side and the right side in the fixing support, the two clamping blocks are arranged on the clamping driving device and driven by the clamping driving device to synchronously move in opposite directions or in reverse directions so as to clamp or release the speed reducer, and the lifting supporting mechanism is arranged on the lower portion of the fixing support so as to lift the speed reducer to a set height and assist in installation of the speed reducer;
the clamping blocks are of a V-shaped structure, so that a rhombic clamping space is formed by synchronous opposite movement of the two clamping blocks to clamp the speed reducer;
the middle part of the outer side of each clamping block is connected with a guide rod, the left side and the right side of the fixed support are respectively provided with a guide through hole which is matched with the guide rods, and the guide rods of the two clamping blocks respectively penetrate through the corresponding guide through holes and are in sliding fit with the guide through holes so as to further guide the movement of the clamping blocks and ensure the centering property in the installation process of the speed reducer;
the clamping driving device consists of two driving mechanisms which are symmetrically arranged at the upper side and the lower side in the fixed support, each driving mechanism comprises a slide rail, two slide blocks, a power unit and a rotating block, the two slide blocks are arranged on the slide rails, one ends of the two clamping blocks are respectively arranged on the corresponding slide blocks, a fixed seat is fixedly arranged in the middle of each slide rail, the body of each power unit is arranged at the lower part of one slide block, the front end of a push rod of each power unit is fixedly connected with the lower part of the fixed seat, the rotating block is rotatably connected to the upper part of the fixed seat, and the two outer side parts of the rotating block are respectively hinged with the two slide blocks through a connecting rod so as to realize the conversion of sliding and rotating between the slide blocks and the rotating block; when the push rod extends or contracts, one of the slide blocks is driven to be far away from or close to the middle part of the slide rail, so that the rotating block is driven to rotate, the other slide block is driven to be linked, and the two slide blocks synchronously move in the opposite directions or move in the opposite directions;
the fixture block sets the reduction gear fixed plate of multiple different shapes, specification, different positions distribute the fixing bolt hole of multiple different models on the fixture block, after the fixture block presss from both sides tight reduction gear, through the reduction gear fixed plate of corresponding shape, specification of corresponding fixing bolt installation, another lateral part of reduction gear fixed plate and reduction gear fixed connection to the reduction gear of the fixed not unidimensional structure of adaptation prevents that the reduction gear from taking place the rotation.
2. The reducer fixing device for the reducer comprehensive experiment table according to claim 1, wherein the fixing bracket is mounted on the reducer comprehensive experiment table.
3. The reducer fixing device for the reducer comprehensive experiment table according to claim 1, wherein the power unit is an electric push rod or a hydraulic cylinder.
4. The reducer fixing device for the reducer comprehensive experiment table according to claim 1, wherein the lifting support mechanism comprises a hydraulic lifting top and a support base, the hydraulic lifting top is mounted at the lower part of the front end of the fixing support, and the support base is mounted on the hydraulic lifting top to be driven by the hydraulic lifting top to ascend or descend so as to convey the reducer to a set height.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202011118696.XA CN112378649B (en) | 2020-10-19 | 2020-10-19 | Speed reducer fixing device for speed reducer comprehensive experiment table |
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| CN202011118696.XA CN112378649B (en) | 2020-10-19 | 2020-10-19 | Speed reducer fixing device for speed reducer comprehensive experiment table |
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| CN112378649A CN112378649A (en) | 2021-02-19 |
| CN112378649B true CN112378649B (en) | 2023-03-07 |
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| CN101403651A (en) * | 2008-10-21 | 2009-04-08 | 安徽巨一自动化装备有限公司 | Screwing clearance-regulation detection and combination bench for vehicle main reducing gear |
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