Turnover measuring device suitable for passenger car bogie
By designing a tilting measurement device suitable for bus bogies, the problems of time-consuming and labor-intensive guide column installation and large measurement errors were solved, realizing efficient and accurate guide column installation and center distance measurement, and improving the automation level of bogie assembly.
Patent Information
- Application Number
- CN202520378682.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-06
- Publication Date
- 2025-12-30
- Estimated Expiration
- 2035-03-06
AI Technical Summary
The installation of bogie guide columns is time-consuming and labor-intensive, and the center distance measurement error is large, making it difficult to meet high precision requirements.
A flipping measuring device is designed, comprising an axisymmetrically arranged left and right column, a lifting mechanism, a rotating mechanism, and a measuring device. The lifting and rotating mechanisms assist in the installation of the guide column, the measuring device enables high-precision center distance measurement, and the clamping mechanism and auxiliary installation mechanism ensure accurate positioning.
This technology enables efficient installation of bogie guide columns and high-precision center distance measurement, reducing the time and errors of manual operation and improving installation efficiency and accuracy.
Smart Images

Figure CN223741560U_ABST
Abstract
Description
Technical Field
[0001] This utility model belongs to the technical field of vehicle bogie measuring devices, specifically relating to a tilting measuring device suitable for bus bogies. Background Technology
[0002] Currently, people have increasingly higher requirements for the operating speed and stability of rail transit vehicles, leading to higher requirements for the assembly of vehicle bogies. During bogie assembly, the installation of guide columns is crucial. Currently, the installation of bogie guide columns relies on manual inverted installation, which is time-consuming and labor-intensive. After installation, the center distance between guide columns is measured manually, resulting in significant measurement errors. Therefore, how to provide an automated device to assist in the installation and measurement of bogie guide columns has become an urgent problem for those skilled in the art. Utility Model Content
[0003] To address the problems of difficult installation of bogie guide columns and large errors in center distance measurement, this utility model provides a tilting measurement device suitable for bus bogies.
[0004] The specific technical solution of this utility model is: a tilting measurement device suitable for passenger car bogies, comprising: a left column and a right column arranged symmetrically, a lifting mechanism, a rotating mechanism, and a measuring device; the rotating mechanism includes a mounting plate, a main shaft bearing, a gear, and a reducer; the sides of the left column and the right column are provided with racks, slide rails, and sliders, the racks are connected to the lifting mechanism and keep the lifting mechanism at the same horizontal plane; the lifting mechanism is fixedly connected to the mounting plate, the support platform is erected between the rotating mechanisms, and the support platform is symmetrically provided with auxiliary mounting mechanisms and clamping mechanisms above the support platform.
[0005] Furthermore, the lifting mechanism includes a reducer and a gearbox. The reducer is connected to the gearbox by screws. The gearbox is equipped with an output gear and is fixed to the mounting plate by screws. The output gear meshes with a rack.
[0006] Furthermore, the rotating mechanism includes a mounting plate, a main shaft bearing, a gear, and a reducer. The mounting plate is connected to the slider by screws, the inner ring of the main shaft bearing is fixedly connected to the mounting plate, the reducer is connected to the mounting plate by screws, and the gear is fixed on the output shaft of the reducer and meshes with the moving end of the outer ring of the main shaft bearing for transmission.
[0007] Furthermore, the measuring device includes a lower slide, an upper slide, and a probe; the lower slide is fixed on the support platform, the upper slide is fixed to the sliding block of the lower slide by screws, and the probe is fixed to the sliding block of the upper slide by screws. Both the upper and lower slides are driven by servo motors, enabling the probe to slide linearly in the longitudinal direction on the upper slide; the upper slide can slide linearly in the transverse direction relative to the lower slide.
[0008] Furthermore, the auxiliary installation mechanism is located on the support platform. The auxiliary installation mechanism includes two semi-circular ends that can slide freely back and forth. The semi-circular ends are aligned with the guide posts and can record the spatial position of the guide posts before they are removed. The four sets of auxiliary installation mechanisms correspond to the positions of the eight guide posts respectively.
[0009] Furthermore, the clamping mechanism includes a clamping head, a clamping seat, and an electric actuator. The bottom of the clamping head is a cylindrical rod, and the top is a clamping arm connected to the cylindrical rod. A guide pin is provided on the cylindrical rod. The lower end of the clamping head is connected to the electric actuator. A cylindrical sleeve is fixedly provided on the clamping seat. An S-shaped curved guide groove is opened on the outer surface of the cylindrical sleeve. The cylindrical rod slides up and down inside the cylindrical sleeve. Specifically, it slides in the S-shaped curved guide groove through the guide pin, which can realize the rotational movement and up and down sliding of the clamping arm, thereby clamping the bogie.
[0010] The support base is fixed to the ground with anchor bolts. Attached Figure Description
[0011] Figure 1 This is a perspective view of a tilt measuring device for a passenger car bogie, excluding the bogie itself, according to the present invention.
[0012] Figure 2 This is a perspective view of a tilting measuring device for a passenger car bogie according to the present invention;
[0013] Figure 3 This is a structural diagram of the lifting mechanism of a tilting measuring device suitable for passenger car bogies according to the present invention;
[0014] Figure 4 This is a structural diagram of the left column of a tilting measuring device for passenger car bogies according to the present invention;
[0015] Figure 5 This is a structural diagram of the rotating mechanism of a tilting measuring device suitable for passenger car bogies according to the present invention;
[0016] Figure 6 This is a structural diagram of a measuring device for a tilting measuring device suitable for a passenger car bogie, according to the present invention.
[0017] Figure 7 This is a structural diagram of the clamping mechanism of a tilting measuring device suitable for passenger car bogies according to this utility model;
[0018] Figure 8 This is a structural diagram of the support platform for a tilting measuring device suitable for passenger car bogies according to the present invention;
[0019] Figure 9 This is a schematic diagram illustrating the measurement process of a tilting measuring device for passenger car bogies according to the present invention.
[0020] Figure 10 This is a structural diagram of an auxiliary installation mechanism for a tilting measurement device suitable for passenger car bogies according to this utility model;
[0021] Reference numerals: 1. Lifting mechanism; 101. First reducer; 102. Gearbox; 2. Left column; 201. Column; 202. Rack; 203. Slide rail; 204. Slider; 3. Rotating mechanism; 301. Mounting plate; 302. Main shaft bearing; 303. Gear; 304. Second reducer; 4. Bearing platform; 5. Measuring device; 501. Lower slide; 502. Upper slide; 503. Probe; 6. Auxiliary mounting mechanism; 7. Clamping mechanism; 701. Clamping head; 702. Clamping seat; 703. Electric actuator; 8. Support seat; 9. Right column; 10. Bogie; 1001. Guide column. Detailed Implementation
[0022] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. All other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present utility model.
[0023] like Figures 1 to 7 This utility model discloses a tilting measurement device suitable for passenger car bogies, comprising: a left column 2 and a right column 9 arranged symmetrically, a lifting mechanism 1, a rotating mechanism 3, and a measuring device 5; the rotating mechanism 3 includes a mounting plate 301, a main shaft bearing 302, a gear 303, and a second reducer 304; the left column 2 and the right column 9 are each provided with a rack 202, a slide rail 203, and a slider 204 on their sides, the rack 202 is connected to the lifting mechanism 1 and keeps the lifting mechanism 1 at the same horizontal plane; the lifting mechanism 1 is fixedly connected to the mounting plate 301, a support platform 4 is erected between the rotating mechanisms 3, and an auxiliary mounting mechanism 6 and a clamping mechanism 7 are symmetrically arranged above the support platform 4.
[0024] The lifting mechanism 1 includes a first reducer 101 and a gearbox 102. The first reducer 101 is connected to the gearbox 102 by screws. The gearbox 102 is provided with an output gear. The gearbox 102 is fixed to the mounting plate 301 by screws. The output gear meshes with the rack 202.
[0025] The bottom of the column 201 is fixed to the ground with anchor bolts, the rack 202 is fixed to one side of the column 201 with screws, the slide rail 203 is fixed to the side of the opposite side of the left column 2 and the right column 9 with screws, and the slider 204 can slide up and down on the slide rail 203.
[0026] The rotating mechanism 3 includes a mounting plate 301, a main shaft bearing 302, a gear 303, and a second reducer 304. The mounting plate 301 is connected to the slider 204 by screws. The inner ring of the main shaft bearing 302 is fixedly connected to the mounting plate 301. Similarly, the gearbox of the second reducer 304 is also connected to the mounting plate 301 by screws. The gear 303 is fixed on the output shaft of the second reducer 304 and meshes with the moving end of the outer ring of the main shaft bearing 302 for transmission.
[0027] like Figure 8 As shown, the two ends of the bearing platform 4 are fixed to the moving end of the outer ring of the spindle bearing 302 by screws.
[0028] The measuring device 5 includes a lower slide 501, an upper slide 502, and a probe 503. The lower slide 501 is fixed on the support platform 4, the upper slide 502 is fixed to the sliding block of the lower slide 501 by screws, and the probe 503 is fixed to the sliding block of the upper slide 502 by screws. Both the upper slide 502 and the lower slide 501 are driven by servo motors, so that the probe 503 can slide linearly in the longitudinal direction of the upper slide 502; the upper slide 502 can slide linearly in the transverse direction relative to the lower slide 501.
[0029] like Figure 9 As shown, the four sets of measuring devices 5 use contact measurement to measure the distance between two guide posts respectively, thereby measuring the planar coordinates of the eight guide posts and calculating the center distance of the eight guide posts 1001.
[0030] like Figure 10 As shown, the auxiliary installation mechanism 6 is fixed to the support platform 4 by screws. The auxiliary installation mechanism 6 includes two semi-circular ends that can slide freely back and forth. The semi-circular ends are aligned with the guide post 1001 and can record the spatial position of the guide post 1001 before it is removed. The four sets of auxiliary installation mechanisms 6 correspond to the positions of the eight guide posts 1001 respectively.
[0031] The clamping mechanism 7 includes a clamping head 701, a clamping seat 702, and an electric push rod 703. The bottom of the clamping head 701 is a cylindrical rod, and the top is a clamping arm connected to the cylindrical rod. A guide pin is provided on the cylindrical rod. The lower end of the clamping head 701 is connected to the electric push rod 703. A cylindrical sleeve is fixedly provided on the clamping seat 702. An S-shaped curved guide groove is opened on the outer surface of the cylindrical sleeve. The cylindrical rod slides up and down in the cylindrical sleeve. Specifically, it slides in the S-shaped curved guide groove through the guide pin, which can realize rotational movement and up and down sliding. The clamping seat 702 is fixed to the bearing platform 4 by screws. The two clamping mechanisms 7 realize the clamping of the bogie 10.
[0032] Support 8 is fixed to the ground by anchor bolts and provides support when the bogie 10 is seated.
[0033] Working principle: The bearing platform 4 is rotated to the initial horizontal position by the rotating mechanism 3, and then lowered to the lowest position by the lifting mechanism 1. The clamping mechanism 7 controls the clamping head 701 to be in the loose state, and the bogie 10 is fed into the platform by the crane or robot arm and falls onto the support seat 8. The lifting mechanism 1 drives the bearing platform 4 to rise and lift the bogie 10 away from the support seat 8. The clamping arm of the clamping mechanism 7 presses down to clamp the bogie 10 and fix it. Four sets of measuring devices 5 simultaneously measure the cylindrical surface of the guide column 1001. After the measurement is completed, the center distance of the eight guide columns 1001 is calculated by the program. 1. Raise bogie 10, rotate bogie 10 by rotating mechanism 3, lower bogie 10 to a suitable height by lifting mechanism 1, manually inspect and adjust any deviations in guide column 1001, and retest. Once the center distance of guide column 1001 meets the standard, lift bogie 10, rotate bogie 10 by rotating mechanism 3 again, lower bogie 10 to a suitable height by lifting mechanism 1, release the clamping arm of clamping mechanism 7 from bogie 10, and lower bogie 10 onto support seat 8 by lifting mechanism 1, then remove bogie 10.
[0034] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.
Claims
1. A roll measurement device for a passenger car bogie, characterized in that The utility model relates to a kind of verticality measuring device, including: Axisymmetric arrangement left stand (2) and right stand (9), lifting mechanism (1), rotating mechanism (3), measuring device (5); The lifting mechanism (1) includes first speed reducer (101) and gear box (102), first speed reducer (101) is connected with gear box (102), and gear box (102) output gear is engaged with rack (202); The rotating mechanism (3) includes mounting plate (301), main shaft bearing (302), gear (303) and second speed reducer (304), mounting plate (301) is connected with sliding block (204), gear (303) is engaged with the outer ring of main shaft bearing (302); The measuring device (5) includes lower slide table (501), upper slide table (502) and measuring head (503);The lifting mechanism (1) is fixedly connected with mounting plate (301); It further includes that load-bearing platform (4) is erected between rotating mechanism (3), and auxiliary mounting mechanism (6) and clamping mechanism (7) are arranged axially symmetric above load-bearing platform (4).
2. The roll measurement device for a passenger car bogie according to claim 1, wherein The gear box (102) is fixed on the mounting plate (301), and the output gear is engaged with the rack (202) to keep the same horizontal plane.
3. The roll measurement device for a passenger car bogie according to claim 1, wherein The second speed reducer (304) is connected with mounting plate (301), and the gear (303) is fixed on the output shaft of second speed reducer (304) and is engaged with the outer ring of main shaft bearing (302) transmission.
4. The roll measurement device for a passenger car bogie according to claim 1, wherein The lower slide table (501) is fixed on the load-bearing platform (4), and the upper slide table (502) is connected with the lower slide table (501) by sliding block, and the measuring head (503) is fixed on the upper slide table (502), and the upper slide table (502) and the lower slide table (501) are driven to realize bidirectional linear sliding by servo motor.
5. The roll measurement device for a passenger car bogie according to claim 1, wherein The auxiliary mounting mechanism (6) is on the load-bearing platform (4), and the auxiliary mounting mechanism (6) includes two end heads of semicircular arc, the end head is aligned with guide column (1001), and the spatial position before guide column (1001) is removed can be recorded.
6. The roll measurement device for a passenger car bogie according to claim 1, wherein The clamping mechanism (7) includes clamping head (701), clamping seat (702) and electric push rod (703), the bottom of clamping head (701) is cylindrical rod, the top is clamping arm connected on the cylindrical rod, guide pin is arranged on the cylindrical rod, the lower end of clamping head (701) is connected with electric push rod (703), the cylindrical sleeve is fixedly arranged on clamping seat (702), S-shaped curved surface guide groove is opened on the outer surface of cylindrical sleeve, and the cylindrical rod slides up and down in the cylindrical sleeve.