Gear bending fatigue testing device

Abstract

The utility model relates to the technical field of fatigue testing, and discloses a gear bending fatigue testing device which comprises a base, a supporting table is fixedly installed on the rear side of the upper surface of the base, a sliding rail is fixedly installed on one side of the upper surface of the base, and a gear shaft is placed on the front side of the supporting table. A torque motor is fixedly installed on the rear side of the supporting table, a transmission shaft of the torque motor is fixedly connected with a gear shaft, and a plurality of gear clamping blocks which are evenly arrayed are installed on the outer side of the gear shaft. Through the arrangement of the multiple sets of gear clamping blocks, the limiting blocks and the bolts, when the gears are clamped on the gear shaft in a sleeved mode, according to the shaft hole clamping groove arrays and the number of the different gears, the supporting teeth with the proper number can be selected, according to the clamping groove array positions of the gear shaft holes, the supporting teeth are arranged in an array mode, and the limiting blocks are inserted into the limiting grooves; according to the structural design, the gear sleeve clamping device is suitable for gear sleeve clamping positions of various array clamping grooves, and the universality is high.

Description

Technical Field

[0001] This utility model relates to the field of fatigue testing technology, specifically a gear bending fatigue testing device. Background Technology

[0002] Gears, as commonly used transmission components, are widely used in various industries. In the field of wind power technology, as wind turbines develop towards larger megawatts, the corresponding gearboxes are also gradually increasing in size to match these turbines, with gear modules approaching 25, far exceeding the module of standard gears. In the fields of shipbuilding and engineering, there are also heavy-duty gears with large modules. Before these gears leave the factory, testing equipment is used to conduct pressure tests on their teeth and record the results, thus obtaining corresponding fatigue test data.

[0003] In the process of realizing this utility model, the inventors discovered that the following problems in the prior art have not been solved: the existing gear bending fatigue testing device does not have a good universal effect. The gear sleeve is clamped, and a matching gear shaft is required to clamp it. Since the gear clamping block on the gear shaft is fixedly connected, and the number and array of the clamping slots at different gear shaft holes are different, the universal effect of the gear shaft is not ideal and urgently needs to be improved. Therefore, we propose a gear bending fatigue testing device. Utility Model Content

[0004] The purpose of this invention is to provide a gear bending fatigue testing device, which solves the problems mentioned in the background art.

[0005] To achieve the above objectives, the present invention provides the following technical solution: a gear bending fatigue testing device, comprising a base, a support fixedly installed on the rear side of the upper surface of the base, a slide rail fixedly installed on one side of the upper surface of the base, and a gear shaft placed on the front side of the support.

[0006] A torque motor is fixedly installed on the rear side of the support. The drive shaft of the torque motor is fixedly connected to the gear shaft. Several sets of uniformly arrayed gear blocks are installed on the outside of the gear shaft.

[0007] A baffle is fixedly installed on the rear side of the gear shaft, and a limit groove is opened on the side of the gear shaft near the gear block. A limit block is locked in the limit groove, and the gear block is fixedly connected to the outer end of the limit block. A screw hole is opened in the middle of the limit block.

[0008] A recessed platform is provided on the front side of the front wall of the gear shaft near the limiting groove. A bolt is movably inserted through the recessed platform of the gear shaft, and the bolt is screwed into the threaded hole on the same side by the thread.

[0009] The movable table top is fixedly installed with a supporting seat, and a supporting tooth is fixedly installed at the corner of the top of the supporting seat, a plurality of gear clamping blocks, limiting blocks and bolts and other components are cooperatively used, during the use of the fatigue testing device, when the gear clamping sleeve is clamped on the gear shaft, according to the shaft hole clamping groove array and the number of different gears, a proper number of supporting teeth are selected, the supporting tooth array is placed according to the clamping groove array position of the gear shaft hole, the limiting block is inserted into the limiting groove, and the bolt is screwed with the screw hole, the structure design is suitable for the gear sleeve clamping of a plurality of array clamping grooves, and the universality is high.

[0010] As an optional solution of the technical scheme, the sliding rail is provided with a sliding groove, a sliding block is movably clamped in the sliding groove, a screw rod is movably penetrated through one side wall of the sliding rail, and the screw rod is screwed with a screw hole pre-provided in the sliding block through threads, a rotating block is fixedly installed at the outer end of the screw rod, and the inner end of the screw rod is rotatably connected with the sliding rail through a bearing, the screw rod and the sliding block are cooperatively used, the screw rod is reversibly rotated, the screw rod drives the sliding block to move in the sliding groove, the position of the supporting tooth of the supporting seat is adjusted, the diameter of the gear is adjusted, the gear teeth are aligned with the supporting tooth, the universality of the device is further improved, and the use effect is ideal.

[0011] As an optional solution of the technical scheme, the supporting table is provided with a reinforcing rib fixedly installed on both sides, and the reinforcing rib is a triangular structure, the reinforcing rib improves the connecting rigidity to prevent tearing and breaking, and the stability of the device is improved.

[0012] As an optional solution of the technical scheme, the base is provided with an ear plate fixedly installed on both sides, and a positioning hole is provided in the middle of the ear plate, a threaded column is penetrated through the positioning hole of the ear plate and screwed with a threaded structure pre-provided on a support, and the device is detachable and stably positioned.

[0013] As an optional solution of the technical scheme, the supporting table is provided with an indication plate fixedly installed on the top, and the indication plate is fixed by welding, the guiding words on the indication plate inform the operator of the corresponding use mode, and different personnel can operate and use the device.

[0014] Compared with the prior art, the fatigue testing device has the following beneficial effects:

[0015] 1. The utility model relates to a gear bending fatigue testing device, through being provided with multiple gear clamping blocks, limiting blocks and bolts, during the use of the fatigue testing device, whenever the gear clamping sleeve is clamped on the gear shaft, according to the shaft hole clamping slot array and the number of different gears, the proper number of support teeth can be selected, the clamping slot array position of the gear shaft hole is according to, and the support tooth array is placed, the limiting block is inserted into the limiting slot, and the bolt is penetrated through the bolt hole, the bolt is screwed with the bolt hole, the structural design is suitable for the gear sleeve setting clamping of multiple array clamping slots, and the universality is strong.

[0016] 2. The utility model relates to a gear bending fatigue testing device, through being provided with screw rod and sliding block, can through positive and negative rotation screw rod, and the screw rod can drive the sliding block to move in the sliding slot, and then the support tooth position of support base is adjusted, is adjusted according to the diameter of gear, makes the gear tooth can with support tooth alignment, further promotes the universality of device, and the use effect is more ideal. DRAWINGS

[0017] Other features, objects and advantages of the utility model will become more apparent through reading the following detailed description of non-restrictive embodiments with reference to the accompanying drawings:

[0018] Fig. 1 It is the overall main view structural schematic drawing of the utility model kind gear bending fatigue testing device;

[0019] Fig. 2 It is the slide rail and support tooth connecting part sectional structure schematic drawing of the utility model kind gear bending fatigue testing device;

[0020] Fig. 3 It is the A place enlarged sectional structure schematic drawing of the utility model kind gear bending fatigue testing device.

[0021] In the drawing: 1, base;11, lug plate;2, support table;21, reinforcing rib;22, torque motor;23, signboard;3, slide rail;31, support base;32, movable table;33, rotating block;34, screw rod;35, sliding block;36, sliding slot;37, bearing;38, support tooth;4, gear shaft;41, gear clamping block;42, concave table;43, bolt;5, limiting slot;51, limiting block;52, bolt hole. DETAILED DESCRIPTION

[0022] In order to make the technical means, creative features, purposes and effects of the utility model easy to understand, the utility model is further described below in combination with specific embodiments.

[0023] Please refer to Figs. 1-3The utility model provides a kind of technical scheme: a gear bending fatigue testing device, including base 1, the upper surface rear side of base 1 is fixedly installed with support 2, support 2 top is fixedly installed with signboard 23, and signboard 23 is fixed by welding mode, can be informed to operating personnel corresponding use mode by the guiding words on signboard 23, different personnel operation is used conveniently, the upper surface one side of base 1 is fixedly installed with slide rail 3, support 2 front side is placed with gear shaft 4, the both sides of base 1 are fixedly installed with ear plate 11, and positioning hole is opened in the middle of ear plate 11, can be passed through the positioning hole of screw column that penetrates ear plate 11, and is rotated with the threaded structure of support upper preset, for the detachable and stable location of device;Support 2 both sides are fixedly installed with reinforcing rib 21, and reinforcing rib 21 is triangular structure, can be connected rigidity by reinforcing rib 21, to prevent tearing fracture condition, improve the stability degree of device, support 2 rear side is fixedly installed with torque motor 22, the transmission shaft of torque motor 22 is fixedly connected with gear shaft 4, gear shaft 4 outside is installed with several groups of even array gear clamping block 41;Gear shaft 4 rear side is fixedly installed with baffle, and gear shaft 4 is opened with limit groove 5 on the side close to gear clamping block 41, limit block 51 is clamped in limit groove 5, and gear clamping block 41 is fixedly connected with the outer end of limit block 51, and screw hole 52 is opened in the middle of limit block 51;Gear shaft 4 front wall is opened with recess 42 on the front side close to limit groove 5, and bolt 43 is movably penetrated in the recess 42 of gear shaft 4, and bolt 43 is rotated with the screw hole 52 of same side by thread;The top of slide rail 3 is installed with movable table 32, support seat 31 is fixedly installed on the top of movable table 32, and support tooth 38 is fixedly installed at the corner of the top of support seat 31.

[0024] In this technical scheme, a plurality of gear clamping blocks 41, limit blocks 51 and bolts 43 and other components are used in cooperation, during the use of the fatigue testing device, when the gear clamping sleeve is clamped on the gear shaft 4, according to the shaft hole clamping groove array and number of different gears, a proper number of support teeth 38 are selected, the support teeth 38 are arranged according to the clamping groove array position of the gear shaft hole, the limit block 51 is inserted into the limit groove 5 and penetrates the bolt 43, and the bolt 43 is rotated with the screw hole 52. This structure design is suitable for gear sleeve clamping of various array clamping grooves and has strong universality.

[0025] In some technical solutions, a sliding groove 36 is opened in the slide rail 3, a sliding block 35 is movably clamped in the sliding groove 36, a screw rod 34 is movably penetrated in one side wall of the slide rail 3, the screw rod 34 is rotated with the screw hole in the sliding block 35 by thread, a rotating block 33 is fixedly installed at the outer end of the screw rod 34, and the inner end of the screw rod 34 is rotationally connected with the slide rail 3 by the bearing 37.

[0026] In the technical scheme, the screw rod 34 and the sliding block 35 are used in cooperation, the screw rod 34 is reversed, the screw rod 34 drives the sliding block 35 to move in the sliding groove 36, the position of the supporting tooth 38 of the supporting seat 31 is adjusted, the gear is adjusted according to the diameter, the gear teeth are aligned with the supporting tooth 38, and the universality of the device is improved.

[0027] Working principle: it should be pointed out that the utility model is a gear bending fatigue testing device, components are general standard parts or components known by those skilled in the art, and the structure and principle thereof can be known by technical personnel through technical manuals or through conventional test methods.

[0028] When the gear bending fatigue testing device is used, the fatigue testing device is carried to the gear bending test area, the gear is sleeved on the gear shaft 4, the clamping groove at the shaft hole of the gear shaft 4 is aligned with the gear clamping block 41, the gear is clamped, then the gear is driven to rotate by the torque motor 22, the gear teeth are pressed at the supporting tooth 38 of the supporting seat 31, and fatigue testing is performed;

[0029] When the gear clamping sleeve is sleeved on the gear shaft 4, a proper number of supporting teeth 38 are selected according to the array and number of the shaft hole clamping grooves of different gears, the array position of the shaft hole clamping grooves of the gears is according to, the supporting teeth 38 are arranged, the limiting block 51 is inserted into the limiting groove 5 and penetrates the bolt 43, the bolt 43 is screwed with the screw hole 52, the structure design is suitable for gear sleeve clamping of various array clamping grooves, has high universality, the screw rod 34 and the sliding block 35 are provided, the screw rod 34 is reversed, the screw rod 34 drives the sliding block 35 to move in the sliding groove 36, the position of the supporting tooth 38 of the supporting seat 31 is adjusted, the gear is adjusted according to the diameter, the gear teeth are aligned with the supporting tooth 38, and the universality of the device is further improved.

Claims

1. A gear bending fatigue testing apparatus characterized by: Including base (1), the upper surface rear side of base (1) is fixedly installed with support table (2), the upper surface one side of base (1) is fixedly installed with slide rail (3), the front side of support table (2) is placed with gear shaft (4); The rear side of support table (2) is fixedly installed with torque motor (22), the transmission shaft of torque motor (22) is fixedly connected with gear shaft (4), the outer side of gear shaft (4) is installed with several groups of evenly arrayed gear clamping blocks (41); The rear side of gear shaft (4) is fixedly installed with baffle, and the side of gear shaft (4) close to gear clamping block (41) is provided with limiting groove (5), the limiting groove (5) is clamped with limiting block (51), and the outer end gear clamping block (41) is fixedly connected with limiting block (51), the inner middle part of limiting block (51) is provided with screw hole (52); The front side of the front wall of gear shaft (4) close to limiting groove (5) is provided with recess (42), the recess (42) of gear shaft (4) is movably penetrated with bolt (43), and the bolt (43) is screwed with the screw hole (52) on the same side by thread; The top of slide rail (3) is installed with movable table (32), the top of movable table (32) is fixedly installed with support seat (31), the corner of the top of support seat (31) is fixedly installed with support tooth (38).

2. A gear bending fatigue testing apparatus according to claim 1, characterized by: The inner side of slide rail (3) is provided with sliding groove (36), the sliding groove (36) is movably clamped with sliding block (35), one side wall of slide rail (3) is movably penetrated with screw rod (34), and the screw rod (34) is screwed with the screw hole in sliding block (35) by thread, the outer end of screw rod (34) is fixedly installed with rotating block (33), and the inner end of screw rod (34) is rotatably connected with slide rail (3) through bearing (37).

3. A gear bending fatigue testing apparatus according to claim 1, wherein: The both sides of support table (2) are fixedly installed with reinforcing ribs (21), and the reinforcing ribs (21) are triangular structures.

4. The gear bending fatigue testing apparatus of claim 1, wherein: The both sides of base (1) are fixedly installed with ear plates (11), and the inner middle part of ear plate (11) is provided with positioning hole.

5. The gear bending fatigue testing apparatus of claim 1, wherein: The top of support table (2) is fixedly installed with signboard (23), and the signboard (23) is fixed by welding.

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