Nondestructive testing bracket for railway vehicle accessories
By designing a non-destructive testing bracket, utilizing a linear laser emitter and supporting rubber wheels, and combining testing equipment, non-destructive testing of safety wheel axles was performed, solving the deformation problem caused by clamping and achieving efficient and reliable testing results.
Patent Information
- Application Number
- CN202520256148.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-02-18
- Publication Date
- 2025-12-30
- Estimated Expiration
- 2035-02-18
AI Technical Summary
In existing technologies, the use of triangular chucks to clamp safety wheel axles during inspection can cause edge indentations and hidden torsional deformation, affecting their lifespan.
A non-destructive testing bracket was designed, including a testing base, a support, a support bracket, and a transmission component. It uses first and second linear laser emitters to project light beams and supports the safety wheel axle through a support rubber wheel. Non-destructive testing is performed in conjunction with a roughness tester and a flaw detector.
This technology enables non-destructive testing of safety wheel axles, ensuring their surface quality and dynamic balance, avoiding deformation caused by clamping, and improving the reliability and safety of the testing.
Smart Images

Figure CN223741628U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model belongs to the rail vehicle safety wheel detection auxiliary equipment technical field, concretely relates to a kind of nondestructive testing bracket for rail vehicle accessories. BACKGROUND
[0002] Two auxiliary safety wheels are arranged on monorail rail vehicle, and the two auxiliary safety wheels are important components on monorail rail vehicle, and the two auxiliary safety wheels are coaxially connected, and the shaft rod connecting the two auxiliary safety wheels is called safety wheel shaft rod, and during the processing of the safety wheel shaft rod, safety detection needs to be carried out on the safety wheel shaft rod, surface quality, nondestructive testing, dynamic balance detection and bending inspection, and through the above detection, the quality and performance of the safety wheel shaft rod can be evaluated to ensure that the safety wheel shaft rod can reliably operate in the vehicle;However, during the detection of the safety wheel shaft rod, a triangular chuck is used to clamp one end of the safety wheel shaft rod, and the safety wheel shaft rod is rotated to detect the safety wheel shaft rod, and the safety wheel shaft rod is clamped by the triangular chuck, which can cause indentation on the edge of the safety wheel shaft rod, and when the centrifugal force of rotation is too large, the safety wheel shaft rod can also be deformed by invisible torsion, which affects its service life. SUMMARY
[0003] The utility model aims at solving above-mentioned problem, and provides a kind of nondestructive testing bracket for rail vehicle accessories.
[0004] A nondestructive testing bracket for rail vehicle accessories, comprising: a detection base, a support, a support bracket, and a transmission component; the support is fixed on the detection base; the support bracket is connected to the support through the transmission component; two support wheels on the support shaft support the safety wheel shaft rod together, and the safety wheel shaft rod can roll on the support bracket; the detection base is provided with a first linear laser emitter and a second linear laser emitter; the midpoint of the first linear laser emitter and the second linear laser emitter intersects with the axis of the support bracket; both the first linear laser emitter and the second linear laser emitter can project a linear light beam to the safety wheel shaft rod; the linear light beams projected by the first linear laser emitter and the second linear laser emitter are on the same straight line.
[0005] The detection base comprises: a left base frame, a right base frame, a frame connecting plate, a support leg, a left detector bracket plate, a right detector bracket plate, and a base gear; the left base frame and the right base frame are connected and fixed through the frame connecting plate; the support leg is arranged at the corner of the left base frame and the right base frame; the base gear is connected to the frame connecting plate through a shaft; the left detector bracket plate and the right detector bracket plate move horizontally relative to each other through the base gear; the first linear laser emitter is arranged on one side of the left detector bracket plate; and the second linear laser emitter is arranged on one side of the right detector bracket plate.
[0006] The middle part of the support base is provided with an axle hole; a bearing seat is arranged below the axle hole; the center of the upper part of the support base is a circular sunken part, which is communicated with the axle hole; eight positioning notches are arranged on the edge of the inner wall of the circular sunken part in an annular equidistant array, and an inner tooth ring is arranged below the positioning notches.
[0007] The support bracket further comprises a support plate, a bracket screw, an upper connecting seat, a bearing rod, a positioning top bead and a top bead spring.
[0008] The transmission part comprises a planetary gear and a bearing; four gear shafts are arranged beside the bearing rod, and a planetary gear is arranged on each gear shaft; the planetary gears are engaged with the inner tooth ring; the lower end of the bearing rod is connected to the bearing seat through the bearing shaft.
[0009] The technical scheme provides a nondestructive testing bracket for rail vehicle accessories, which belongs to detection auxiliary equipment and comprises a detection base, a support base, a support bracket and a transmission part. BRIEF DESCRIPTION OF DRAWINGS
[0010] Figure 1 Fig. 1 is a schematic diagram of the whole nondestructive testing bracket for rail vehicle accessories;
[0011] Figure 2 Fig. 2 is a schematic diagram of the structure of the nondestructive testing bracket for rail vehicle accessories;
[0012] Figure 3 Fig. 3 is a schematic diagram of the support bracket structure of the nondestructive testing bracket for rail vehicle accessories;
[0013] Figure 4 Fig. 4 is a schematic diagram of the local sectional view of the support bracket of the nondestructive testing bracket for rail vehicle accessories;
[0014] Figure 5It is partial section axial side view of the supporting bracket of the nondestructive testing bracket for rail vehicle accessories,
[0015] Figure 6 It is detection base structure schematic view of the nondestructive testing bracket for rail vehicle accessories,
[0016] Figure 7 It is use state schematic view of the nondestructive testing bracket for rail vehicle accessories,
[0017] In the figure: 1, detection base, 11, left base edge frame, 111, left edge frame sliding groove, 112, left support seat locking screw hole, 12, right base edge frame, 121, right edge frame sliding groove, 122, right support seat locking screw hole, 13, edge frame connecting plate, 14, support leg, 15, left detector bracket plate, 151, left rack, 152, first linear laser emitter, 16, right detector bracket plate, 161, right rack, 162, second linear laser emitter, 17, base gear, 2, support seat, 21, screw hole, 22, shaft hole, 23, bearing seat, 24, circular sunken part, 25, positioning notch, 26, inner tooth ring, 3, supporting bracket, 31, supporting shaft, 32, supporting rubber wheel, 33, support plate, 34, bracket screw, 35, upper connecting seat, 351, gear shaft, 36, bearing rod, 37, positioning top bead, 41, planetary gear, 42, bearing, 6, safety wheel shaft rod. DETAILED DESCRIPTION
[0018] The technical scheme will be further clearly and completely described below in combination with the drawings of the technical scheme, and the described embodiments are only a part of the technical scheme, but not all the embodiments, and all other embodiments obtained by those skilled in the art without creative labor based on the technical scheme belong to the protection scope of the utility model.
[0019] Embodiment 1
[0020] Referring to Figures 1 to 7 A nondestructive testing bracket for rail vehicle accessories, which comprises: a detection base 1, a support seat 2, a supporting bracket 3 and a transmission component.
[0021] The detection base 1 and the support seat 2 are connected through bolt thread locking; the supporting bracket 3 is connected to the support seat 2 through the transmission component.
[0022] The detection base 1 comprises: a left base edge frame 11, a right base edge frame 12, an edge frame connecting plate 13, a support leg 14, a left detector bracket plate 15, a right detector bracket plate 16 and a base gear 17.
[0023] The left base frame 11 and the right base frame 12 are connected and fixed by the frame connecting plate 13; the corners of the left base frame 11 and the right base frame 12 are each provided with a supporting leg 14;
[0024] The left base frame 11 is provided with a left frame sliding groove 111, and the right base frame 12 is provided with a right frame sliding groove 121; the left frame sliding groove 111 is opposite to the right frame sliding groove 121;
[0025] The left base frame 11 is provided with a left supporting seat locking screw hole 112 above, and the right base frame 12 is provided with a right supporting seat locking screw hole 122 above;
[0026] The left detector bracket plate 15 is sleeved on the left frame sliding groove 111 and the right frame sliding groove 121 on both sides, and the right detector bracket plate 16 is sleeved on the left frame sliding groove 111 and the right frame sliding groove 121 on both sides;
[0027] The left detector bracket plate 15 is provided with a left rack 151, and the right detector bracket plate 16 is provided with a right rack 161; the left rack 151 and the right rack 161 are oppositely arranged; the left rack 151 and the right rack 161 are respectively engaged with both sides of the chassis gear 17; the left detector bracket plate 15 and the right detector bracket plate 16 move relatively through the chassis gear 17;
[0028] The left detector bracket plate 15 is provided with a first linear laser emitter 152, and the right detector bracket plate 16 is provided with a second linear laser emitter 162; the midpoints of the first linear laser emitter 152 and the second linear laser emitter 162 intersect the axis of the chassis gear 17.
[0029] The lower end of the supporting seat 2 is a rectangular member; the two side edges of the supporting seat 2 are provided with a plurality of screw rod recesses 21, a connecting screw rod can be sleeved in the screw rod recess 21, the thread at the lower end of the connecting screw rod can be sleeved in the locking screw hole, and the plurality of screw rod recesses 21 provided on the two side edges of the supporting seat 2 are respectively fixed in the left supporting seat locking screw hole 112 and the right supporting seat locking screw hole 122 through the screw rods;
[0030] The middle part of the supporting seat 2 is provided with a shaft hole 22; the lower part of the shaft hole 22 is provided with a bearing seat 23; the center of the upper part of the supporting seat 2 is a circular sunken part 24, and the circular sunken part 24 is communicated with the shaft hole 22;
[0031] The inner wall edge of the circular sunken part 24 is provided with eight positioning notches 25, and the eight positioning notches 25 are arranged in an annular equidistant array; the lower part of the positioning notch 25 is provided with an inner tooth ring 26.
[0032] The supporting bracket 3 comprises a supporting shaft 31, a supporting rubber wheel 32, a supporting plate 33, a bracket screw rod 34, an upper connecting seat 35, a bearing rod 36, a positioning top bead 37, and a top bead spring.
[0033] The supporting shaft 31 is provided with two, two supporting shafts 31 are parallel to each other; both ends of each supporting shaft 31 are shaft-connected with supporting rubber wheels 32;
[0034] The upper end of the supporting plate 33 is rectangular, and the lower end of the supporting plate 33 is an optical axis shaft; the rectangular part of the upper end of the supporting plate 33 and the optical axis shaft form a T-shaped component; two supporting shafts 31 are fixed on the supporting plate 33 through a support screw 34; the lower end of the supporting plate 33 is fixed on the upper connecting seat 35;
[0035] The upper connecting seat 35 is a T-shaped rotary body; a bearing rod 36 is arranged at the lower end of the upper connecting seat 35; four gear shafts 351 are arranged beside the bearing rod 36, and the four gear shafts 351 are arranged in a ring shape along the bearing rod 36; a positioning counterbore is arranged on the edge vertical surface of the upper connecting seat 35, and a positioning top bead 37 and a top bead spring are sleeved in the positioning counterbore; the top of the positioning top bead 37 protrudes from the edge of the upper connecting seat 35;
[0036] The midpoint between the two supporting shafts 31 intersects with the vertical axis of the bearing rod 36;
[0037] The bottom frame gear 17 and the axis of the bearing rod 36 coincide.
[0038] The transmission component includes a planetary gear 41 and a bearing 42;
[0039] The planetary gear 41 is provided with four, and the four planetary gears 41 are respectively sleeved on the four gear shafts 351; the planetary gear 41 is engaged with the inner tooth gear ring 26;
[0040] The rod body of the bearing rod 36 is sleeved in the shaft rod through hole 22, and the rod body of the bearing rod 36 is gap-fitted with the shaft rod through hole 22;
[0041] The outer diameter of the bearing 42 is interference-fitted with the bearing seat 23; the inner diameter of the bearing 42 is interference-fitted with the lower end of the bearing rod 36; that is, the lower end of the rod body of the bearing rod 36 is shaft-connected in the bearing seat 23 through the bearing 42; when the upper connecting seat 35 rotates, the positioning top bead 37 can be positioned in any one of the positioning notches 25; so that the two supporting shafts 31 can be adjusted at multiple angles; that is, the supporting bracket 3 is shaft-connected on the support base 2 through the transmission component, and the supporting bracket 3 is suspended at multiple angles.
[0042] Method for use
[0043] The technical scheme provides a nondestructive testing bracket for a rail vehicle accessory, which is used for detecting a safety axle rod 6; four supporting rubber wheels 32 are arranged on the top of a supporting bracket 3, and the midpoints of the four supporting rubber wheels 32 coincide with the vertical axis of the supporting bracket 3; the safety axle rod 6 is supported by the four supporting rubber wheels 32 arranged on the top of the supporting bracket; two devices for emitting straight laser beams are arranged, and the straight laser beams are irradiated on the safety axle rod 6; the safety axle rod 6 is manually or driven by a motorized roller to roll on the supporting bracket 3, and the bending of the safety axle rod 6 is checked.
[0044] A Japanese Sanfeng SJ210 roughness detector TR200 or other surface detector can be arranged beside the nondestructive testing bracket for the rail vehicle accessory, and the surface of the safety axle rod 6 is detected.
[0045] A Ribe digital three-protection flaw detector LEEB510 weld crack ultrasonic flaw detector can be arranged beside the nondestructive testing bracket for the rail vehicle accessory, and the invisible crack of the safety axle rod 6 is detected.
[0046] The nondestructive testing bracket for the rail vehicle accessory belongs to a detection auxiliary device, the safety axle rod 6 can rotate 360 degrees on the supporting bracket 3 and hover at multiple angles; the nondestructive testing bracket for the rail vehicle accessory detects the surface quality, nondestructive testing, bending, safety and dynamic balance of the safety axle rod 6 through other auxiliary detection devices.
Claims
1. A non-destructive testing carriage for use with a rail vehicle component, comprising: The utility model discloses a detection base (1), support (2), support bracket (3), transmission part, its characterized in that: support (2) is fixed on detection base (1), and support bracket (3) is connected on support (2) through transmission part axle, and the support rubber wheel (32) on 2 support shafts (31) jointly supports safety wheel axle rod (6), and safety wheel axle rod (6) can roll in support bracket (3), and first linear laser emitter (152) and second linear laser emitter (162) are equipped on detection base (1), and the midpoint of first linear laser emitter (152) and second linear laser emitter (162) intersects with the axis of support bracket (3), and first linear laser emitter (152) and second linear laser emitter (162) can all project linear light beam to safety wheel axle rod (6), and the linear light beam projected by first linear laser emitter (152) and second linear laser emitter (162) is on the same straight line.
2. The non-destructive testing carriage for rail vehicle components according to claim 1, characterized in that: The detection base (1) includes a left base frame (11), a right base frame (12), a frame connecting plate (13), a support leg (14), a left detector bracket plate (15), a right detector bracket plate (16), and a bottom bracket gear (17), the left base frame (11) and the right base frame (12) are connected and fixed through the frame connecting plate (13), the support leg (14) is arranged at the corner of the left base frame (11) and the right base frame (12), the bottom bracket gear (17) is axially connected to the frame connecting plate (13), the left detector bracket plate (15) and the right detector bracket plate (16) move horizontally relative to each other through the bottom bracket gear (17), the first linear laser emitter (152) is arranged on one side of the left detector bracket plate (15), and the second linear laser emitter (162) is arranged on one side of the right detector bracket plate (16).
3. The non-destructive testing carriage for rail vehicle components according to claim 2, characterized in that: The support (2) is provided with an axle hole (22) in the middle, a bearing seat (23) is arranged below the axle hole (22), a circular sunken part (24) is arranged at the center of the upper part of the support (2), the circular sunken part (24) is communicated with the axle hole (22), and eight positioning notches (25) are arranged in an equidistant annular array on the inner wall edge of the circular sunken part (24), and an internal tooth ring (26) is arranged below the positioning notches (25).
4. The non-destructive testing carriage for rail vehicle components according to claim 3, characterized in that: The support bracket (3) further includes a support plate (33), a bracket screw (34), an upper connecting seat (35), a bearing rod (36), a positioning top bead (37), and a top bead spring, the support plate (33) is a T-shaped component, two support shafts (31) are fixed on the support plate (33), the support plate (33) is fixed on the upper connecting seat (35) below, the bearing rod (36) is arranged at the lower end of the upper connecting seat (35), a positioning counterbore is arranged on the edge vertical surface of the upper connecting seat (35), the positioning top bead (37) and the top bead spring are sleeved in the positioning counterbore, and the top of the positioning top bead (37) protrudes from the edge of the upper connecting seat (35).
5. The non-destructive inspection carriage for rail vehicle components of claim 3, wherein: The transmission component comprises planetary gears (41), bearings (42), bearing rods (36) with four gear shafts (351) on each of which planetary gears (41) are arranged, the planetary gears (41) are engaged with the inner tooth ring (26), and the lower end of the rod body of the bearing rod (36) is connected to the bearing seat (23) through the bearing (42).