Pressing assembly for track detection

Abstract

The utility model discloses a pressing assembly for track detection. The pressing assembly comprises an external mounting frame, a pressing part and a pressure self-adaptive part, connecting seats are fixedly connected to the upper surface of the external mounting frame in a bilateral symmetry manner; the pressing part comprises an internal sliding frame, a rack plate, a rotating shaft, a gear, a worm gear and a worm, the internal sliding frame is slidably connected to the interior of the external mounting frame, the rack plate is fixedly connected to the upper surface of the internal sliding frame, the rotating shaft is rotatably connected to the middle between the front inner wall and the rear inner wall of the external mounting frame, and the gear fixedly sleeves the middle of the outer cambered surface of the rotating shaft; the gear is in meshed connection with the rack plate, the front side of the outer arc face of the rotating shaft is fixedly sleeved with a worm wheel, a worm is rotationally connected between the upper inner wall and the lower inner wall of the external mounting frame, and the worm wheel is in meshed connection with the worm, and the pressing assembly for track detection is good in transmission effect of pressing the side wall of the track and high in stability when pressing the side wall of the track.

Description

TECHNICAL FIELD

[0001] The utility model relates to track detection technical field, concretely is a track detection is with compression assembly. BACKGROUND

[0002] To guarantee the operation safety of track, need to check the size form etc. of track regularly, and handle each type track defect in time,

[0003] In prior art: the patent of authorized publication number CN202320382901.6 discloses a track detection compression assembly, including installation support, movablely installed wheel body support on installation support, rotatably connected compression wheel on wheel body support, and elastic member connected between above-mentioned two supports, can be installed on the car body of track detection equipment, and utilizes the force of elastic member and compresses the side of compression wheel to steel rail,

[0004] The compression assembly still has some problems in actual operation, for example, the compression drive mode adopts connecting rod structure, then manually pulls handle part to drive elastic member to compress track side wall, the compression mode is poor in stability, and the precision is poor when clamping by manually driving connecting rod, therefore, we provide a track detection compression assembly. UTILITY MODEL CONTENT

[0005] The utility model solves the technical problem of overcoming the defects of prior art, provides a track detection compression assembly, which has good transmission effect, high stability and can effectively solve the problems in the background art.

[0006] To achieve the above object, the utility model provides the following technical scheme: a track detection compression assembly, comprising an external mounting rack, a compression component and a pressure adaptive component.

[0007] The external mounting rack is fixedly connected with a connecting seat on its upper surface.

[0008] The compression component comprises an internal sliding rack, a rack plate, a rotating shaft, a gear, a worm gear and a worm. The internal sliding rack is slidingly connected to the inside of the external mounting rack, and the upper surface of the internal sliding rack is fixedly connected with the rack plate.

[0009] Pressure self-adapting component: it includes fixed arm, mounting arm, mounting groove and compression wheel, the fixed arm is fixedly connected to the middle part of the lower surface of the internal sliding frame, the internal sliding connection of the fixed arm has the mounting arm, the right side surface of the mounting arm is provided with the mounting groove, the internal rotation connection of the mounting groove has the compression wheel, the transmission effect of the compression rail side wall is good, and the stability of the compression rail side wall is strong.

[0010] Further, the outside of the assembly is provided with a single-chip microcomputer, the input end of the single-chip microcomputer is electrically connected with an external power supply, and the normal operation of each electric appliance is controlled.

[0011] Further, the compression component further comprises a servo motor, the servo motor is arranged on the upper surface of the external mounting frame, the output shaft of the servo motor is fixedly connected with the upper end of the worm, and the input end of the servo motor is electrically connected with the output end of the single-chip microcomputer, so as to provide power for compression.

[0012] Further, the compression component further comprises a limiting rod, the limiting rod is fixedly connected between the left and right inner walls of the external mounting frame, the outer arc surface of the limiting rod is slidably connected with the middle part of the internal sliding frame, so that the internal sliding frame can stably travel.

[0013] Further, the pressure self-adapting component further comprises a pressure sensor and a butt joint, the pressure sensor is fixedly connected to the middle part of the right side wall of the mounting arm, the butt joint is fixedly connected to the middle part of the left side wall of the fixed arm, the pressure sensor and the butt joint are correspondingly arranged on the left and right positions, the pressure sensor is bidirectionally electrically connected with the single-chip microcomputer, and the pressure when compression is measured.

[0014] Further, the pressure self-adapting component further comprises a telescopic rod and a spring, the telescopic rod is fixedly connected to the middle part of the right side wall of the mounting arm in a symmetrical manner, the telescopic ends of the two telescopic rods are fixedly connected with the left side wall of the fixed arm, the left side wall of the mounting arm is fixedly connected with the spring in a symmetrical manner, the left ends of the two springs are fixedly connected with the left side wall of the fixed arm, the two springs are respectively movably sleeved with the outer arc surfaces of the telescopic rods located on the same side, and the outer surface of the mounting arm is fixedly connected with a protective shell, so that the stability of the fixed arm and the mounting arm is improved.

[0015] Further, an electronic level is further arranged on the middle part of the front side of the external mounting frame, the electronic level is bidirectionally electrically connected with the single-chip microcomputer, and the horizontal information of the assembly is measured.

[0016] Compared with the prior art, the track detection compression assembly has the following advantages:

[0017] The structure adopts worm and gear locking structure and gear and rack plate transmission structure, drives the compression wheel to adjust the left and right positions to realize clamping the side wall of the track, in the process of clamping the side wall of the track, the transmission effect of the gear and rack plate is received, the effect of adjusting the position of the compression wheel is very accurate, when the side wall of the compression track is clamped, the self-locking effect of the worm and gear is received, the state of clamping the side wall of the compression track is continuously maintained, the accuracy of clamping the side wall of the compression track is high, and the stability of clamping the side wall of the compression track is high. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 It is a structural schematic diagram of the utility model;

[0019] Figure 2 It is a structural schematic diagram of the utility model external mounting frame internal structure;

[0020] Figure 3 It is a structural schematic diagram of the utility model pressure self-adaptive part after separation;

[0021] Figure 4 It is a structural schematic diagram of the utility model A place amplification;

[0022] Figure 5 It is a structural schematic diagram of the utility model B place amplification.

[0023] In the drawing: 1 external mounting frame, 2 compression part, 21 internal sliding frame, 22 rack plate, 23 rotating shaft, 24 gear, 25 worm, 26 worm, 27 servo motor, 28 limit rod, 3 connecting seat, 4 pressure self-adaptive part, 41 fixed arm, 42 mounting arm, 43 telescopic rod, 44 spring, 45 pressure sensor, 46 butt joint, 47 mounting groove, 48 compression wheel, 5 protective shell, 6 single-chip microcomputer, 7 electronic level. DETAILED DESCRIPTION

[0024] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0025] Please refer to Figures 1-5 The embodiment provides a kind of technical solutions: a compression assembly for track detection, including external mounting frame 1, compression part 2 and pressure self-adaptive part 4;

[0026] The outer mounting frame 1: its upper surface is fixedly connected with the connecting seat 3, the assembly is externally provided with a single-chip microcomputer 6, the input end of the single-chip microcomputer 6 is electrically connected with an external power supply, and the electronic level 7 is arranged on the front side of the outer mounting frame 1, the electronic level 7 is bidirectionally electrically connected with the single-chip microcomputer 6, when the compression assembly is needed, the assembly can be installed on the total station trolley connector for measurement through the outer bolt and the bolt hole of the connecting seat 3, and it is worth noting that a plurality of assemblies can be installed according to actual work requirements;

[0027] The compression component 2: it comprises an inner sliding frame 21, a rack plate 22, a rotating shaft 23, a gear 24, a worm wheel 25 and a worm 26, the inner sliding frame 21 is slidably connected to the inner part of the outer mounting frame 1, the upper surface of the inner sliding frame 21 is fixedly connected with the rack plate 22, the rotating shaft 23 is rotatably connected between the inner walls of the front and rear of the outer mounting frame 1, the outer arc surface of the rotating shaft 23 is fixedly sleeved with the gear 24, the gear 24 is meshingly connected with the rack plate 22, the outer arc surface of the front side of the rotating shaft 23 is fixedly sleeved with the worm wheel 25, the worm 26 is rotatably connected between the upper and lower inner walls of the outer mounting frame 1, the worm wheel 25 is meshingly connected with the worm 26, the compression component 2 further comprises a servo motor 27, the servo motor 27 is arranged on the middle part of the upper surface of the outer mounting frame 1, the output shaft of the servo motor 27 is fixedly connected with the upper end of the worm 26, the input end of the servo motor 27 is electrically connected with the output end of the single-chip microcomputer 6, the compression component 2 further comprises a limiting rod 28, the limiting rod 28 is fixedly connected between the left and right inner walls of the outer mounting frame 1, the outer arc surface of the limiting rod 28 is slidably connected with the middle part of the inner sliding frame 21, at this time, the single-chip microcomputer 6 can be controlled, the electronic level 7 operates, the electronic level 7 measures the horizontal information of the assembly in real time, and returns the horizontal information to the single-chip microcomputer 6 in the form of an electrical signal in real time, when the electronic level 7 measures that the assembly is in a horizontal state, the single-chip microcomputer 6 controls the pressure sensor 45 to operate, at the same time, the single-chip microcomputer 6 controls the servo motor 27 to operate, the output shaft of the servo motor 27 rotates forward and reversely, thereby driving the worm 26 to rotate forward and reversely, and then driving the rotating shaft 23 to rotate forward and reversely through the worm wheel 25, and then driving the inner sliding frame 21 to adjust the left and right positions in the inner part of the outer mounting frame 1 through the rack plate 22 and the gear 24;

[0028] The pressure self-adapting component 4 comprises a fixed arm 41, a mounting arm 42, a mounting groove 47 and a pressing wheel 48, the fixed arm 41 is fixedly connected to the middle part of the lower surface of the inner sliding frame 21, the inner side of the fixed arm 41 is slidingly connected with the mounting arm 42, the right side of the mounting arm 42 is provided with the mounting groove 47, and the inner side of the mounting groove 47 is rotatably connected with the pressing wheel 48, the pressure self-adapting component 4 further comprises a pressure sensor 45 and a butt joint 46, the pressure sensor 45 is fixedly connected to the middle part of the right side wall of the mounting arm 42, the left side wall of the fixed arm 41 is fixedly connected with the butt joint 46, the pressure sensor 45 corresponds to the left and right positions of the butt joint 46, the pressure sensor 45 is bidirectionally electrically connected with the single-chip microcomputer 6, the pressure self-adapting component 4 further comprises a telescopic rod 43 and a spring 44, the telescopic rod 43 is fixedly connected to the middle part of the right side wall of the mounting arm 42 in a symmetrical manner, the telescopic ends of the two telescopic rods 43 are fixedly connected with the left side wall of one fixed arm 41, the left side wall of the mounting arm 42 is fixedly connected with the spring 44 in a symmetrical manner, the left ends of the two springs 44 are fixedly connected with the left side wall of one fixed arm 41, the two springs 44 are respectively movably sleeved with the outer arc surfaces of the telescopic rods 43 located on the same side, the outer surface of the mounting arm 42 is fixedly connected with the protective shell 5, thereby driving the pressing wheel 48 to adjust the left and right positions, when the wheel surface of the pressing wheel 48 contacts the inclined side surface of the track, at this time, the pressing assembly on the other side of the track can also contact the inclined side surface of the track, and the pressing of the track is completed, in the process of pressing, when the pressing assembly gradually presses the inclined side surface of the track, first, the fixed arm 41 will relatively approach the mounting arm 42, at this time, the elastic force of the spring 44 will be overcome, until the measuring head of the pressure sensor 45 is attached to the butt joint 46, when the subsequent pressing assembly presses the side wall of the track from both sides, the pressure sensor 45 returns the pressure information at this time to the single-chip microcomputer 6, this pressure is the pressure when the track is pressed, when the pressure information returned by the pressure sensor 45 is inconsistent with the previously preset pressure information during the subsequent track pressing operation, it can be concluded that the track in this section is unqualified, and the track in this section needs to be detected from multiple directions.

[0029] The working principle of the compression assembly for track detection is as follows: when the compression assembly needs to be used, the assembly can be installed on the total station trolley connector for measurement through the bolt hole of the connecting seat 3 by the outer bolt, it is worth noting that a plurality of assemblies can be installed according to actual work requirements, at this time, the single-chip microcomputer 6 can be controlled, the electronic level 7 is operated, the electronic level 7 measures the horizontal information of the assembly in real time, and the horizontal information is returned to the single-chip microcomputer 6 in the form of an electrical signal, when the electronic level 7 measures that the assembly is in a horizontal state, the single-chip microcomputer 6 can be controlled, the pressure sensor 45 is operated, at the same time, the single-chip microcomputer 6 controls the servo motor 27 to operate, the output shaft of the servo motor 27 rotates forward and reversely, further drives the worm 26 to rotate forward and reversely, further drives the rotating shaft 23 to rotate forward and reversely through the worm wheel 25, further drives the internal sliding frame 21 to adjust the left and right positions in the inside of the external mounting frame 1 through the rack plate 22 and the gear 24, and further drives the compression wheel 48 to adjust the left and right positions, when the wheel surface of the compression wheel 48 contacts the inclined side surface of the track, at this time, the compression assembly on the other side of the track can also contact the inclined side surface of the track by the same control, and the compression of the track is completed, in the process of compression, when the compression assembly gradually compresses the inclined side surface of the track, first, the fixed arm 41 will relatively approach the mounting arm 42, at this time, the elastic force of the spring 44 is overcome first, until the measuring head of the pressure sensor 45 is attached to the butt joint 46, when the subsequent compression assembly compresses the side wall of the track from both sides, the pressure sensor 45 returns the pressure information at this time to the single-chip microcomputer 6, and the pressure is the pressure when the track is compressed, when the pressure information returned by the pressure sensor 45 is inconsistent with the previously preset pressure information during subsequent track compression operation, it can be concluded that the track is unqualified, and the track needs to be detected in multiple directions.

[0030] It is worth noting that the single-chip microcomputer 6 disclosed in the above embodiment is S7-200, the servo motor 27, the pressure sensor 45 and the electronic level 7 can be freely configured according to actual application scenarios, the servo motor 27 is recommended to be selected as a 110HCY180AL3S type servo motor, the pressure sensor 45 is recommended to be selected as a high-precision pressure sensor of a CPT9000 type, and the electronic level 7 is recommended to be selected as an electronic level of an EL50 type, and the single-chip microcomputer 6 controls the servo motor 27, the pressure sensor 45 and the electronic level 7 to work, which all adopt the method commonly used in the prior art.

[0031] The above is only an embodiment of the utility model, and does not limit the patent range of the utility model, and any equivalent structure or equivalent process conversion obtained by using the contents of the utility model specification and drawings, or direct or indirect application in other related technical fields, is also included in the patent protection range of the utility model.

Claims

1. A hold-down assembly for track detection, characterized by: It includes an external mounting bracket (1), a clamping component (2), and a pressure adaptive component (4); External mounting bracket (1): Its upper surface is symmetrically fixed with connecting seats (3); The clamping component (2) includes an internal sliding frame (21), a rack plate (22), a rotating shaft (23), a gear (24), a worm wheel (25), and a worm (26). The internal sliding frame (21) is slidably connected to the interior of the external mounting frame (1). The rack plate (22) is fixedly connected to the upper surface of the internal sliding frame (21). The rotating shaft (23) is rotatably connected between the front and rear inner walls of the external mounting frame (1). The gear (24) is fixedly sleeved in the middle of the outer arc surface of the rotating shaft (23). The gear (24) meshes with the rack plate (22). The worm wheel (25) is fixedly sleeved on the front side of the outer arc surface of the rotating shaft (23). The worm (26) is rotatably connected between the upper and lower inner walls of the external mounting frame (1). The worm wheel (25) meshes with the worm (26). Pressure adaptive component (4): It includes a fixed arm (41), a mounting arm (42), a mounting groove (47) and a pressure wheel (48). The fixed arm (41) is fixedly connected to the middle of the lower surface of the internal sliding frame (21). The mounting arm (42) is slidably connected inside the fixed arm (41). The mounting groove (47) is opened on the right side of the mounting arm (42). The pressure wheel (48) is rotatably connected inside the mounting groove (47).

2. The press assembly for track inspection according to claim 1, wherein: The component is equipped with a microcontroller (6) on its exterior, and the input terminal of the microcontroller (6) is electrically connected to an external power supply.

3. The press assembly for track inspection according to claim 2, wherein: The clamping component (2) also includes a servo motor (27), which is located in the middle of the upper surface of the external mounting bracket (1). The output shaft of the servo motor (27) is fixedly connected to the upper end of the worm gear (26), and the input end of the servo motor (27) is electrically connected to the output end of the microcontroller (6).

4. The press assembly of claim 1, wherein: The clamping component (2) also includes a limiting rod (28), which is fixedly connected between the left and right inner walls of the external mounting frame (1), and the outer arc surface of the limiting rod (28) is slidably connected to the middle part of the internal sliding frame (21).

5. The press assembly of claim 2, wherein: The pressure adaptive component (4) also includes a pressure sensor (45) and a connector (46). The pressure sensor (45) is fixedly connected to the middle of the right side wall of the mounting arm (42), and the connector (46) is fixedly connected to the middle of the left side wall of the fixed arm (41). The pressure sensor (45) and the connector (46) are in corresponding left and right positions, and the pressure sensor (45) is bidirectionally electrically connected to the microcontroller (6).

6. The press assembly of claim 1, wherein: The pressure self-adapting spare part (4) further comprises telescopic rods (43) and springs (44), the telescopic rods (43) are symmetrically fixedly connected to the middle part of the right side wall of the mounting arm (42), the telescopic ends of the two telescopic rods (43) are fixedly connected with the left side wall of a fixed arm (41), the middle part of the left side wall of the mounting arm (42) is symmetrically fixedly connected with the springs (44), the left ends of the two springs (44) are fixedly connected with the left side wall of a fixed arm (41), the two springs (44) are respectively movably sleeved with the outer arc surfaces of the telescopic rods (43) located at the same side, and the outer surface of the mounting arm (42) is fixedly connected with a protective shell (5).

7. The press assembly of claim 2, wherein: Further comprising an electronic level (7), which is arranged at the middle part of the front side of the external mounting rack (1), and the electronic level (7) is bidirectionally electrically connected with the single-chip microcomputer (6).

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