Fatigue test inspection clamp

Abstract

The utility model relates to the technical field of gear fatigue test fixtures, and provides a fatigue test inspection fixture, which comprises a mounting sleeve, two groups of mounting flanges and a telescopic clamping assembly, the two groups of mounting flanges are fixedly mounted at two ends of the mounting sleeve, the mounting sleeve is connected with a rotating shaft of an equipment main body through the mounting flanges, and the telescopic clamping assembly is connected with the equipment main body. The gear clamping device is reasonable in structure and convenient to use, a plurality of sets of gears can be effectively clamped and adjusted, the gears are clamped and installed in advance, the situation that the gears are installed on an equipment main body is avoided, and the installation efficiency is improved. And a plurality of groups of fatigue test inspection clamps can be arranged to improve the fatigue test efficiency.

Description

TECHNICAL FIELD

[0001] The utility model relates to gear fatigue test fixture technical field especially relates to a kind of fatigue test inspection fixture. BACKGROUND

[0002] Gear transmission is the most widely used transmission form in mechanical transmission. It is accurate, efficient, compact and reliable, with long service life. At present, the figure of gear transmission can be seen in various industries, and among them, gear is the key component. Gear fatigue test is a very important link in gear design and quality control, and the main purpose is to evaluate the reliability and expected life of gear under repeated load.

[0003] Such as application number: gear fatigue test fixture, including bottom plate, the top of the bottom plate is fixedly installed with support column, the top of the support column is rotatably connected with rotating shaft, the outer side of one end of the rotating shaft is provided with screw thread, the outer side of the screw thread is screw-connected with nut, the outer side of the nut is rotatably connected with push ring.

[0004] However, the above device needs to install multiple gears on the equipment body and adjust clamping, which leads to difficult installation and adjustment, is very inconvenient, and has low safety, and there is certain safety hazard in the installation and adjustment process. SUMMARY

[0005] In order to solve the above problems, the utility model provides a kind of fatigue test inspection fixture to solve this problem.

[0006] In order to achieve the above purpose, the utility model provides the following technical scheme:

[0007] A kind of fatigue test inspection fixture, including installation sleeve, installation flange and telescopic clamping assembly, the installation flange is provided with two groups, two groups of installation flange are fixedly installed at the both ends of installation sleeve, installation sleeve is connected with the rotating shaft of equipment body by installation flange, telescopic clamping assembly is provided with multiple groups, and multiple groups of telescopic clamping assembly are arrayed on the outer side of installation sleeve.

[0008] Preferably, the telescopic clamping assembly includes: installation base, sliding rebound assembly, swing rod assembly, clamping plate, sliding clamping assembly and elastic pad, the installation base is fixedly installed on the outer side of installation sleeve, the swing rod assembly is provided with two groups, the installation base is fixedly connected with clamping plate by swing rod assembly, the sliding rebound assembly is arranged between the two groups of swing rod assemblies, the lower side of sliding rebound assembly is fixedly connected with installation base, the upper side of sliding rebound assembly is fixedly connected with clamping plate, sliding clamping assembly is arranged on clamping plate, and the elastic pad is provided with two groups, and the two groups of elastic pads are arranged in parallel on the both sides of clamping plate in length direction.

[0009] Preferably, the mounting flange comprises a flange mounting plate and a sleeve, the flange mounting plate and the sleeve are integrated, the flange mounting plate is provided with a first mounting hole, the sleeve is sequentially provided with a second mounting hole and a third mounting hole, and the sleeve is fixedly connected with the mounting sleeve through the third mounting hole.

[0010] Preferably, the sliding rebound assembly comprises a fixing sleeve, an elastic element, a rebound rod, a sliding block and a sliding rail, the fixing sleeve is fixedly installed on the mounting base, the elastic element is arranged in the fixing sleeve, the lower end of the rebound rod extends into the fixing sleeve and is slidably connected with the fixing sleeve, the upper end of the rebound rod is fixedly connected with the sliding block, the sliding block is slidably connected with the sliding rail, and the sliding rail is fixedly installed on the lower side of the clamping plate.

[0011] Preferably, the swing rod assembly comprises a lower mounting plate, a lower hinge seat, a connecting rod, an upper hinge seat and an upper mounting plate, the lower mounting plate is fixedly installed on the mounting base, the lower hinge seat is fixedly installed on the lower mounting plate, the lower end of the connecting rod is hingedly connected with the lower hinge seat, the upper end of the connecting rod is hingedly connected with the upper hinge seat, the upper hinge seat is fixedly installed on the lower side of the upper mounting plate, and the upper mounting plate is fixedly installed on the lower side of the clamping plate.

[0012] Preferably, the sliding clamping assembly comprises mounting end blocks, a sliding rod, clamping blocks and tightening screws, two groups of the mounting end blocks are fixedly installed at two ends of the clamping plate, the sliding rod is fixedly installed between the two groups of mounting end blocks, two groups of the clamping blocks and the tightening screws are arranged, the clamping blocks are slidably arranged on the sliding rod, the end portions of the tightening screws abut against the sliding rod by penetrating through the clamping blocks, and the tightening screws are connected with the clamping blocks through threads.

[0013] Preferably, the sliding rail is provided with limit blocks at two ends.

[0014] Preferably, the telescopic clamping assembly is provided with three groups, and the included angle between adjacent telescopic clamping assemblies is 120 degrees.

[0015] The utility model discloses a simple structure, and the installation flange, the mounting sleeve, the telescopic clamping assembly, the swing rod assembly, the sliding clamping assembly and the sliding rebound assembly are arranged, so that the gear can be clamped and adjusted effectively, the gear can be installed in advance, the gear can be installed on the equipment main body, a plurality of fatigue test inspection fixtures can be arranged to improve the fatigue test efficiency, the installation flange is arranged to facilitate the installation and connection of the device and the driving shaft of the equipment main body, and the sliding rebound assembly is arranged to simplify the gear clamping process. BRIEF DESCRIPTION OF DRAWINGS

[0016] The drawings constituting a part of the utility model are used to provide further understanding of the utility model, and the illustrative embodiment and the description thereof of the utility model are used to explain the utility model and do not constitute improper limitation to the utility model.

[0017] Figure 1 is a structural schematic view of the utility model;

[0018] Figure 2 is a structural schematic view of the utility model telescopic clamping assembly;

[0019] Figure 3 is a structural schematic view of the utility model mounting flange;

[0020] Figure 4 is a structural schematic view of the utility model sliding rebound assembly;

[0021] Figure 5 is a structural schematic view of the utility model fixed sleeve and elastic element;

[0022] Figure 6 is a structural schematic view of the utility model swing rod assembly;

[0023] Figure 7 is a structural schematic view of the utility model sliding clamping assembly.

[0024] Mark explanation:

[0025] 1, mounting sleeve;2, mounting flange;3, telescopic clamping assembly;31, mounting base;32, sliding rebound assembly;33, swing rod assembly;34, clamping plate;35, sliding clamping assembly;36, elastic pad;21, flange mounting plate;22, sleeve;321, fixed sleeve;322, elastic element;323, rebound rod;324, sliding block;325, slide rail;326, limit block;331, lower mounting plate;332, lower hinged seat;333, connecting rod;334, upper hinged seat;335, upper mounting plate;351, mounting end block;352, slide rod;353, clamping block;354, tightening screw;212, second mounting hole;213, third mounting hole. Specific implementation

[0026] It should be noted that the embodiments in the utility model and the features in the embodiments can be combined with each other without conflict.

[0027] In the description of the utility model, it is necessary to understand that the orientation or positional relationship indicated by the terms "center", "longitudinal", "transverse", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like is the orientation or positional relationship shown based on the drawings, and is only for the convenience of describing the utility model and simplifying the description, and therefore cannot be understood as indicating or implying that the devices or elements indicated must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the utility model. In addition, the terms "first", "second" and the like are only for the purpose of description, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the technical features indicated. Therefore, the features limited by "first", "second" and the like can explicitly or implicitly include one or more of the features. In the description of the utility model, the meaning of "a plurality of" is two or more, unless otherwise specified.

[0028] In the description of the utility model, it should be explained that, unless otherwise explicitly specified and limited, the terms "mounting", "connection", "connection" should be understood broadly, for example, it can be fixed connection, or detachable connection, or integrally connected, it can be mechanical connection, or electrical connection, it can be directly connected, or indirectly connected through intermediate medium, it can be the communication inside two elements. For ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood through specific circumstances.

[0029] Embodiment one, in combination Figure 1 It is explained that:

[0030] A fatigue test test fixture, comprising: mounting sleeve 1, mounting flange 2 and telescopic clamping assembly 3, the mounting flange 2 is provided with two groups, two groups of mounting flange 2 are fixedly installed on the both ends of mounting sleeve 1, mounting sleeve 1 is connected with the rotating shaft of the main body of the equipment through mounting flange 2, the mounting flange 2 is arranged so that the fixture can be quickly connected and disassembled with the rotating shaft of the main body of the equipment, and the test efficiency is improved.

[0031] Telescopic clamping assembly 3 is provided with multiple groups, and multiple groups of telescopic clamping assembly 3 are arrayed on the outer side of mounting sleeve 1. The adjustability of telescopic clamping assembly 3 enables the fixture to adapt to gears of different sizes and shapes, improving the versatility and flexibility of the fixture.

[0032] The telescopic clamping assembly 3 is provided with three groups, and the included angle between adjacent telescopic clamping assemblies 3 is 120 degrees. By so arranging, uniform clamping force can be applied on the gear to reduce the distortion and deformation of the gear during the test, thereby improving the accuracy of the test result

[0033] Embodiment two, in combination with embodiment one,Figure 2 It is explained that:

[0034] The telescopic clamping assembly 3 comprises a mounting base 31, a sliding rebound assembly 32, a swing rod assembly 33, a clamping plate 34, a sliding clamping assembly 35 and a resilient pad 36, the mounting base 31 is fixedly installed outside the mounting sleeve 1 by welding, the swing rod assembly 33 is provided with two groups, the mounting base 31 is fixedly connected with the clamping plate 34 through the swing rod assembly 33, the sliding rebound assembly 32 is arranged between the two groups of swing rod assemblies 33, the lower side of the sliding rebound assembly 32 is fixedly connected with the mounting base 31, the upper side of the sliding rebound assembly 32 is fixedly connected with the clamping plate 34, the sliding clamping assembly 35 is arranged on the clamping plate 34, and the resilient pad 36 is provided with two groups, the two groups of resilient pads 36 are arranged in parallel on both sides of the clamping plate 34 in the length direction.

[0035] In this way, the swing rod assembly 33 can adjust the clamping plate 34 according to the shape and size of the gear, so as to adapt to gears of different specifications, increase the versatility of the clamp, and ensure the uniform distribution of the clamping force, reduce the eccentricity and distortion of the gear during the test, the design of the sliding rebound assembly 32 allows the clamping plate 34 to have a certain rebound when subjected to a load, so as to keep the clamping plate 34 clamping the gear, the setting of the resilient pad 36 can reduce the wear of the clamping plate 34 when directly contacting with the gear, prolong the service life of the clamp, and also protect the surface of the gear from being damaged by the clamp, and keep the surface quality of the gear,

[0036] In example three, on the basis of example two, in combination with Figure 3 It is explained that:

[0037] The mounting flange 2 comprises a flange mounting plate 21 and a sleeve 22, the flange mounting plate 21 and the sleeve 22 are of an integral structure, the flange mounting plate 21 is provided with a first mounting hole 211, the sleeve 22 is sequentially provided with a second mounting hole 212 and a third mounting hole 213, and the sleeve 22 is fixedly connected with the mounting sleeve 1 through the third mounting hole 213.

[0038] In this way, the flange mounting plate 21 and the sleeve 22 are of an integral structure, which simplifies the manufacturing process, reduces the number of parts and reduces the manufacturing cost, the first mounting hole 211 can be provided to fixedly connect the flange mounting plate 21 with the driving shaft of the equipment body, and the second mounting hole 212 can be provided to provide multiple connection modes with the driving shaft of the equipment body.

[0039] In example four, on the basis of example three, in combination with Figure 4 and Figure 5 It is explained that:

[0040] The sliding rebound assembly 32 comprises a fixed sleeve 321, an elastic element 322, a rebound rod 323, a sliding block 324 and a sliding rail 325, the fixed sleeve 321 is fixedly installed on the installation base 31 by screws, the elastic element 322 is arranged in the fixed sleeve 321, the lower end of the rebound rod 323 extends into the fixed sleeve 321 and is in sliding connection with the fixed sleeve 321, the upper end of the rebound rod 323 is fixedly connected with the sliding block 324 by screws, the sliding block 324 is in sliding connection with the sliding rail 325, and the sliding rail 325 is fixedly installed on the lower side of the clamping plate 34 by screws. Limiting blocks 326 are arranged at both ends of the sliding rail 325, and the limiting blocks 326 are fixedly connected with the clamping plate 34 by screws.

[0041] In this way, the elastic element 322 is a reset spring, and the elastic element 322 can provide an elastic force, when the rebound rod 323 is pressed downward, the elastic element 322 can provide an upward thrust to the rebound rod 323, so as to push the clamping plate 34 to clamp the gear, when the clamping plate 34 is displaced, the sliding block 324 and the sliding rail 325 are arranged, so that the rebound rod 323 is always located directly above the fixed sleeve 321.

[0042] In the fifth embodiment, the first to fourth embodiments are combined. Figure 6 The following will be described:

[0043] The swing rod assembly 33 comprises a lower installation plate 331, a lower hinged seat 332, a connecting rod 333, an upper hinged seat 334 and an upper installation plate 335, the lower installation plate 331 is fixedly installed on the installation base 31 by screws, the lower hinged seat 332 is fixedly installed on the lower installation plate 331 by screws, the lower end of the connecting rod 333 is hingedly connected with the lower hinged seat 332, the upper end of the connecting rod 333 is hingedly connected with the upper hinged seat 334, the upper hinged seat 334 is fixedly installed on the lower side of the upper installation plate 335 by screws, and the upper installation plate 335 is fixedly installed on the lower side of the clamping plate 34 by screws.

[0044] In this way, the hinged connection design enables the connecting rod 333 to swing between the lower hinged seat 332 and the upper hinged seat 334, so as to allow the clamping plate 34 to be angle-adjusted according to the shape and size of the gear, and the flexibility of the clamp is increased.

[0045] In the sixth embodiment, the first to fifth embodiments are combined. Figure 7 The following will be described:

[0046] The sliding clamping assembly 35 comprises two sets of mounting end blocks 351, a sliding rod 352, two sets of clamping blocks 353 and two sets of tightening screws 354, the two sets of mounting end blocks 351 are fixedly installed at two ends of the clamping plate 34 by screws, the sliding rod 352 is fixedly installed between the two sets of mounting end blocks 351, the two sets of clamping blocks 353 are slidingly arranged on the sliding rod 352, and the two sets of tightening screws 354 are in abutment with the sliding rod 352 by penetrating the clamping blocks 353 at the ends, and the clamping blocks 353 and the tightening screws 354 are connected by threads.

[0047] In this way, the clamping blocks 353 are slidingly arranged on the sliding rod 352, the clamping position can be adjusted by sliding, so as to adapt to multiple groups of stacked gears, the two sets of clamping blocks 353 can be adjusted at the same time, the two sides of the clamping gear are ensured, the clamping blocks 353 can be fixed by rotating the tightening screws 354, so as to maintain the stability of the clamping blocks.

[0048] The working principle of the utility model is: when the device is used, the clamping plate 34 is adjusted to be close to the mounting sleeve 1, then the gear is sleeved on the clamping plate 34, under the action of the sliding springback assembly 32, the elastic pads 36 on the multiple sets of clamping plates 34 abut against the inner ring of the gear, thereby clamping the gear, then the clamping blocks 353 are adjusted to clamp the two side surfaces of the gear, so as to ensure the stability of the gear installation, then the mounting sleeve 1 is fixedly installed on the driving shaft of the equipment main body through the mounting flange 2, the utility model has the advantages of reasonable structure, convenient use, can effectively clamp and adjust multiple gears, can also clamp and install the gear in advance, avoids installing the gear on the equipment main body, and multiple fatigue test inspection clamps can be arranged to improve the fatigue test efficiency.

[0049] For those skilled in the art, the utility model is not limited to the details of the above-mentioned exemplary embodiments, and can be realized in other specific forms without departing from the spirit or basic characteristics of the utility model; therefore, no matter from which point of view, the embodiments should be regarded as exemplary and non-limiting, the scope of the utility model is defined by the appended claims rather than the above description, and therefore all changes falling within the meaning and scope of the equivalent elements of the claims are intended to be included in the utility model. Any figure reference in the claims should not be regarded as limiting the involved claims.

[0050] The above is only a preferred embodiment of the utility model, and does not limit the utility model, and any slight modification, equivalent replacement and improvement made according to the technical essence of the utility model to the above embodiment should be included in the protection scope of the technical scheme of the utility model.

Claims

1. A fatigue test verification fixture, characterized by, The utility model relates to a kind of telescopic clamping assemblies, including: mounting sleeve (1), mounting flange (2) and telescopic clamping assembly (3), the mounting flange (2) is provided with two groups, two groups of mounting flange (2) are fixedly installed at mounting sleeve (1) both ends, mounting sleeve (1) is connected with the rotating shaft of equipment body by mounting flange (2), telescopic clamping assembly (3) is provided with multiple groups, multiple groups of telescopic clamping assembly (3) are arrayed in mounting sleeve (1) outside. The telescopic clamping assembly (3) includes: mounting base (31), sliding rebound assembly (32), swing rod assembly (33), clamping plate (34), sliding clamping assembly (35) and elastic pad (36), the mounting base (31) is fixedly installed in mounting sleeve (1) outside, swing rod assembly (33) is provided with two groups, mounting base (31) is fixedly connected with clamping plate (34) by swing rod assembly (33), sliding rebound assembly (32) is arranged between two groups of swing rod assembly (33), the lower side of sliding rebound assembly (32) is fixedly connected with mounting base (31), the upper side of sliding rebound assembly (32) is fixedly connected with clamping plate (34), sliding clamping assembly (35) is arranged on clamping plate (34), elastic pad (36) is provided with two groups, two groups of elastic pad (36) are parallelly arranged on the both sides of clamping plate (34) in length direction.

2. A fatigue test verification fixture as defined in claim 1, wherein, The mounting flange (2) includes: flange mounting plate (21) and sleeve (22), flange mounting plate (21) and sleeve (22) are integrated structure, first mounting hole (211) is formed in flange mounting plate (21), second mounting hole (212) and third mounting hole (213) are sequentially formed in sleeve (22), sleeve (22) is fixedly connected with mounting sleeve (1) through third mounting hole (213).

3. A fatigue test verification fixture as defined in claim 1, wherein, The sliding rebound assembly (32) includes: fixed sleeve (321), elastic element (322), rebound rod (323), sliding block (324) and slide rail (325), the fixed sleeve (321) is fixedly installed on mounting base (31), the elastic element (322) is arranged in fixed sleeve (321), the lower end of rebound rod (323) extends into fixed sleeve (321) and is slidably connected with fixed sleeve (321), the upper end of rebound rod (323) is fixedly connected with sliding block (324), sliding block (324) is slidably connected with slide rail (325), and slide rail (325) is fixedly installed on the lower side of clamping plate (34).

4. A fatigue test verification fixture as defined in claim 2, wherein, The swing rod assembly (33) includes: lower mounting plate (331), lower hinged seat (332), connecting rod (333), upper hinged seat (334) and upper mounting plate (335), the lower mounting plate (331) is fixedly installed on mounting base (31), the lower hinged seat (332) is fixedly installed on lower mounting plate (331), the lower end of connecting rod (333) is hingedly connected with lower hinged seat (332), the upper end of connecting rod (333) is hingedly connected with upper hinged seat (334), the upper hinged seat (334) is fixedly installed on the lower side of upper mounting plate (335), and the upper mounting plate (335) is fixedly installed on the lower side of clamping plate (34).

5. A fatigue test verification fixture according to claim 2, wherein, ​ 6. A fatigue test verification fixture as defined in claim 2, wherein, The sliding clamping assembly (35) comprises mounting end blocks (351), a sliding rod (352), clamping blocks (353) and tightening screws (354), the mounting end blocks (351) are provided in two groups, the two groups of mounting end blocks (351) are fixedly installed at two ends of the clamping plate (34), the sliding rod (352) is fixedly installed between the two groups of mounting end blocks (351), the clamping blocks (353) and the tightening screws (354) are provided in two groups, the clamping blocks (353) are slidingly arranged on the sliding rod (352), the end of the tightening screw (354) penetrates through the clamping block (353) and abuts against the sliding rod (352), and the tightening screw (354) is connected with the clamping block (353) through screw threads.

7. A fatigue test verification fixture as defined in claim 4, wherein, The sliding rails (325) are provided with limiting blocks (326) at two ends.

8. A fatigue test verification fixture as defined in claim 1, wherein, The telescopic clamping assemblies (3) are provided in three groups, and the included angle between adjacent telescopic clamping assemblies (3) is 120 degrees.

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