CN217466476U

CN217466476U - Electro-hydraulic servo steel rail longitudinal resistance measurement test mechanism

Info

Publication number: CN217466476U
Application number: CN202220170479.3U
Authority: CN
Inventors: 张云山
Original assignee: Shanghai Yeyuan Measurement And Testing Equipment Co ltd
Current assignee: Shanghai Yeyuan Measurement And Testing Equipment Co ltd
Priority date: 2022-01-21
Filing date: 2022-01-21
Publication date: 2022-09-20
Anticipated expiration: 2032-01-21

Abstract

The utility model provides an electro-hydraulic servo rail longitudinal resistance measurement test mechanism, which comprises a base plate and a fixed plate fixed on the top of the base plate, the top of the fixed plate is provided with a ballast bed, and both sides of the ballast bed are provided with multiple grooves. The top of the fixing plate is provided with a plurality of sliding blocks, the sliding blocks are provided with connecting blocks, and the plurality of grooves are provided with L-shaped fixing blocks. The bottom ends of the L-shaped fixing blocks are connected with the connecting blocks by bolts. One side of each of the L-shaped fixing blocks is fixedly connected with a plurality of springs, one end of the springs is fixedly connected with the second inclined block, the top of the fixing plate is fixedly connected with a plurality of vertical plates, and the vertical plates are connected by screws. A threaded rod, one end of the threaded rod is rotated and connected with the first inclined block; the L-shaped fixed block is placed in the groove on the side of the ballast bed, and the second inclined block is tightly attached to the trapezoidal surface of the ballast bed, and the bolts make the L-shaped fixed block One side of the groove is fitted with the bottom surface of the groove, which can avoid the skew of the track bed caused by external force and affect the measurement accuracy.

Description

Electro-hydraulic servo steel rail longitudinal resistance measurement test mechanism

Technical Field

The utility model relates to a rail resistance detects technical field, in particular to servo rail longitudinal resistance measurement test mechanism of electricity liquid.

Background

The longitudinal resistance measurement test of the steel rail adopts the Chinese railway industry standard, and the principle is as follows: assembling the short steel rail on the rail bearing surface of the fixed sleeper by using a fastener, applying longitudinal tension to the steel rail, recording the load and the longitudinal displacement of the steel rail relative to the sleeper, unloading when the steel rail slides, and obtaining the longitudinal resistance of the steel rail from a load-displacement curve.

For example, publication numbers are: CN110702542A, the apparatus comprising: a base; the ratchet guide rail is fixed on the base; the box body spans the ratchet guide rail; the pawl assembly penetrates through the box body and comprises a driving rotary rod, a left driving pawl and a right driving pawl which are respectively arranged on two sides of the driving rotary rod along the extension direction of the ratchet guide rail, one of the left driving pawl and the right driving pawl can slide in the corresponding direction when lifted, and the other one falls on the ratchet guide rail to form a locking state of sliding towards the corresponding direction; the horizontal plate is arranged at the top of the box body, and the sleeper and the steel rail to be detected are sequentially fixed on the horizontal plate; the displacement sensor is arranged on one side of the box body through a bracket and is connected with one end, opposite to the stretched end, of the steel rail to be detected; however, the device cannot well fix the track bed, and the track bed is easy to be inclined due to external force, so that the measurement precision is influenced; therefore, the electro-hydraulic servo steel rail longitudinal resistance measurement test mechanism is provided.

SUMMERY OF THE UTILITY MODEL

In view of this, the embodiment of the present invention is intended to provide a test mechanism for measuring the longitudinal resistance of an electro-hydraulic servo steel rail, so as to solve or alleviate the technical problem existing in the prior art, and at least provide a beneficial choice.

The embodiment of the utility model provides a technical scheme is so realized: including the base plate with fix the fixed plate on the base plate top, the top of fixed plate is provided with the ballast bed, and a plurality of recesses have all been seted up to the both sides of ballast bed, a plurality of sliders have been seted up on the top of fixed plate, are provided with the connecting block in the slider, all are provided with L type fixed block in a plurality of recesses, and the bottom of L type fixed block is connected with the connecting block through the bolt, and is a plurality of the equal a plurality of springs of fixedly connected with in one side of L type fixed block, the one end fixedly connected with sloping block two of spring.

In some embodiments, a plurality of vertical plates are fixedly connected to the top end of the fixing plate, a plurality of threaded rods are connected to the vertical plates through threads, and one ends of the threaded rods are rotatably connected with a first inclined block.

In some embodiments, the top end of the base plate is fixedly connected with a fixed frame, one side of the fixed frame is fixedly connected with a plurality of slide rails, the outer wall of the slide rails is slidably connected with a slide block, one side of the slide block is fixedly connected with a movable block, the top end of the fixed frame is connected with a lead screw through a threaded hole, and one end of the lead screw is rotatably connected to the top end of the movable block.

In some embodiments, one side of the movable block is fixedly connected with a telescopic rod through a screw, a telescopic shaft of the telescopic rod penetrates through the movable block and then is fixedly connected with a measuring load sensor, and one side of the measuring load sensor is provided with a connecting tool.

In some embodiments, the top end of the track bed is fixedly connected with a steel rail through a fastener, and the top end of the connecting tool is detachably connected to the bottom end of the steel rail through a bolt.

In some embodiments, an adjusting bracket is arranged at the top end of the substrate, a displacement sensor is fixedly connected to the adjusting bracket, and a servo controller is connected to the displacement sensor.

In some embodiments, the displacement sensor and the measurement load sensor are both electrically connected to the servo controller.

In some embodiments, the servo controller comprises a servo control module, a signal generator, a measurement amplifier and a servo driving module, the telescopic rod is connected with a constant-pressure servo pump station for supplying air through an air path, and the air path is provided with a servo valve which is electrically connected with the servo controller.

The embodiment of the utility model provides a owing to adopt above technical scheme, it has following advantage:

1. the utility model provides a servo rail longitudinal resistance measurement test mechanism of electricity liquid, pass the connecting block of bolt and slider inside behind the L type fixed block and be connected through the screw thread, promote a plurality of L type fixed blocks and place the one end of L type fixed block in the recess of railway roadbed side, and make sloping block two tightly laminate in the trapezoidal face of railway roadbed, then turn round the bolt on the L type fixed block through the cooperation of connecting block, make one side of L type fixed block tightly laminate with the bottom surface of the recess of railway roadbed side, push down the railway roadbed downwards, can avoid the railway roadbed to cause crooked because of external force, influence measurement accuracy.

2. The utility model provides a servo rail longitudinal resistance measurement test mechanism of electricity liquid, finishes a plurality of L type fixed blocks fixed back, rotates a plurality of threaded rods through the knob and makes one side of a plurality of sloping blocks one hug closely and close in the both sides of ballast bed, can strengthen the fixed to the ballast bed, guarantees measured data's accuracy.

3. The utility model provides a servo rail longitudinal resistance measurement test mechanism of electricity liquid, will connect the frock through the extension of telescopic link and place in the bottom of rail, rotate the lead screw and make the top of connecting the frock and the bottom of rail laminate mutually and pass through the bolt fastening, the telescopic link is inwards retracted, will detect data and pass to the controller through measuring load sensor and displacement sensor to data processing, data processing's mode is: and displaying the test parameters on a computer screen, and automatically drawing a test curve.

The foregoing summary is provided for the purpose of description only and is not intended to be limiting in any way. In addition to the illustrative aspects, embodiments, and features described above, further aspects, embodiments, and features of the present invention will be readily apparent by reference to the drawings and following detailed description.

Drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings needed to be used in the embodiments or technical descriptions will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present application, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a partial structure diagram of the present invention;

FIG. 3 is a partial block diagram of FIG. 2;

fig. 4 is a basic schematic diagram of the operation of the system of the present invention.

Reference numerals:

the method comprises the following steps of 1-base plate, 2-fixed frame, 3-telescopic rod, 4-sliding rail, 5-lead screw, 6-movable block, 7-steel rail, 8-displacement sensor, 9-fixed plate, 10-connecting tool, 11-measuring load sensor, 12-track bed, 13-vertical plate, 14-threaded rod, 15-inclined block I, 16-sliding chute, 17-L-shaped fixed block, 18-spring and 19-inclined block II.

Detailed Description

In the following, only certain exemplary embodiments are briefly described. As those skilled in the art will recognize, the described embodiments may be modified in various different ways, all without departing from the spirit or scope of the present invention. Accordingly, the drawings and description are to be regarded as illustrative in nature, and not as restrictive.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", and the like, indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; the connection can be mechanical connection, electrical connection or communication; they may be directly connected or indirectly connected through intervening media, or may be connected through the use of two elements or the interaction of two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly above and obliquely above the second feature, or simply meaning that the first feature is at a lesser level than the second feature.

Embodiments of the present invention will be described in detail below with reference to the accompanying drawings.

As shown in fig. 1-4, an electro-hydraulic servo steel rail longitudinal resistance measurement test mechanism comprises a base plate 1 and a fixing plate 9 fixed at the top end of the base plate 1, wherein a track bed 12 is arranged at the top end of the fixing plate 9, a plurality of grooves are formed in both sides of the track bed 12, a plurality of sliders 16 are formed in the top end of the fixing plate 9, connecting blocks are arranged in the sliders 16, L-shaped fixing blocks 17 are arranged in the grooves, the bottom ends of the L-shaped fixing blocks 17 are connected with the connecting blocks through bolts, a plurality of springs 18 are fixedly connected to one sides of the L-shaped fixing blocks 17, and a second inclined block 19 is fixedly connected to one end of each spring 18; the method comprises the steps of placing a track bed 12 at the top end of a fixing plate 9, enabling bolts to penetrate through L-shaped fixing blocks 17 and then to be connected with connecting blocks inside sliders 16 through threads, pushing a plurality of L-shaped fixing blocks 17 to place one ends of the L-shaped fixing blocks 17 in grooves in the side faces of the track bed 12, enabling two sloping blocks 19 to be tightly attached to the trapezoidal face of the track bed 12, then screwing the bolts on the L-shaped fixing blocks 17 through matching of the connecting blocks, enabling one sides of the L-shaped fixing blocks 17 to be tightly attached to the bottom faces of the grooves in the side faces of the track bed 12, pressing the track bed 12 downwards, and being capable of preventing the track bed from being inclined due to external force and affecting measuring accuracy; the top end of the fixed plate 9 is fixedly connected with a plurality of vertical plates 13, the vertical plates 13 are connected with a plurality of threaded rods 14 through threads, and one end of each threaded rod 14 is rotatably connected with a first inclined block 15; after the L-shaped fixing blocks 17 are fixed, one side of each inclined block 15 is tightly attached to the two sides of the track bed 12 by rotating the threaded rods 14 through the knobs, so that the track bed 12 can be fixed in an enhanced mode, and the accuracy of measured data is guaranteed.

The top end of the base plate 1 is fixedly connected with a fixed frame 2, one side of the fixed frame 2 is fixedly connected with a plurality of slide rails 4, the outer walls of the slide rails 4 are connected with slide blocks in a sliding mode, one side of each slide block is fixedly connected with a movable block 6, the top end of the fixed frame 2 is connected with a lead screw 5 through a threaded hole, and one end of the lead screw 5 is rotatably connected to the top end of the movable block 6; one side of the movable block 6 is fixedly connected with a telescopic rod 3 through a screw, a telescopic shaft of the telescopic rod 3 penetrates through the movable block 6 and then is fixedly connected with a measuring load sensor 11, and a connecting tool 10 is arranged on one side of the measuring load sensor 11; the top end of the track bed 12 is fixedly connected with a steel rail 7 through a fastener, and the top end of the connecting tool 10 is detachably connected to the bottom end of the steel rail 7 through a bolt; an adjusting bracket is arranged at the top end of the substrate 1, a displacement sensor 8 is fixedly connected to the adjusting bracket, the displacement sensor 8 is connected with a servo controller, and the displacement sensor 8 and a measurement load sensor 11 are both electrically connected with the servo controller; fix rail 7 on the top of ballast bed 12 through the fastener, it is minimum to fall telescopic link 3 through rotating lead screw 5, will connect frock 10 and place the bottom at rail 7 through the extension of telescopic link 3, it makes the top of connecting frock 10 and the bottom of rail 7 laminate mutually and pass through the bolt fastening to rotate lead screw 5, telescopic link 3 is inside to be retracted, will detect data and pass to the controller through measuring load sensor 11 and displacement sensor 8, and to data processing, data processing's mode is: and displaying the test parameters on a computer screen, and automatically drawing a test curve.

The servo controller comprises a servo control module, a signal generator, a measuring amplifier and a servo driving module, the telescopic rod 3 is connected with a constant-pressure servo pump station for supplying air through an air path, a servo valve is arranged on the air path, and the servo valve is electrically connected with the servo controller; in fig. 4, the servo linear actuator is a telescopic rod 3, the test fixture is a connecting tool 10 and a fastener, the tested piece is a steel rail 7, and the sensors are a measuring load sensor 11 and a displacement sensor 8.

The working principle is as follows: fixing the base plate 1 at a proper position, placing the track bed 12 at the top end of the fixed plate 9, connecting a bolt with a connecting block inside a sliding block 16 through threads after penetrating through an L-shaped fixed block 17, pushing a plurality of L-shaped fixed blocks 17 to place one end of the L-shaped fixed block 17 in a groove on the side surface of the track bed 12, enabling a second inclined block 19 to be tightly attached to the trapezoidal surface of the track bed 12, then screwing the bolt on the L-shaped fixed block 17 through the matching of the connecting blocks, enabling one side of the L-shaped fixed block 17 to be tightly attached to the bottom surface of the groove on the side surface of the track bed 12, pressing the track bed 12 downwards, avoiding the track bed from being inclined due to external force, enabling one side of the first inclined blocks 15 to be tightly attached to two sides of the track bed 12 by rotating a plurality of threaded rods 14 through a knob, strengthening the fixing of the track bed 12, fixing a steel rail 7 at the top end of the track bed 12 through a fastener, and reducing the telescopic rod 3 to the lowest through rotating a lead screw 5, will connect frock 10 and place the bottom at rail 7 through the extension of telescopic link 3, rotate lead screw 5 and make the top of connecting frock 10 and the bottom of rail 7 laminate mutually and pass through the bolt fastening, telescopic link 3 is inwards retracted, will detect data and pass to the controller through measuring load sensor 11 and displacement sensor 8 to data processing, data processing's mode is: and displaying the test parameters on a computer screen, and automatically drawing a test curve.

The above description is only for the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily think of various changes or substitutions within the technical scope of the present invention, and these should be covered by the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims

1. The utility model provides a servo rail longitudinal resistance of electricity liquid measures test mechanism, includes base plate (1) and fixes fixed plate (9) on base plate (1) top, its characterized in that: the top of fixed plate (9) is provided with railway roadbed (12), and a plurality of recesses have all been seted up to the both sides of railway roadbed (12), a plurality of sliders (16) have been seted up on the top of fixed plate (9), are provided with the connecting block in slider (16), all are provided with L type fixed block (17) in a plurality of recesses, and the bottom of L type fixed block (17) is connected with the connecting block through the bolt, and is a plurality of the equal a plurality of springs (18) of fixedly connected with in one side of L type fixed block (17), the one end fixedly connected with sloping block two (19) of spring (18).

2. The electro-hydraulic servo steel rail longitudinal resistance measurement testing mechanism of claim 1, characterized in that: the top fixedly connected with of fixed plate (9) is a plurality of risers (13), has a plurality of threaded rods (14) through threaded connection on riser (13), and the one end of threaded rod (14) is rotated and is connected with sloping block one (15).

3. The electro-hydraulic servo steel rail longitudinal resistance measurement testing mechanism of claim 1, characterized in that: the top fixedly connected with mount (2) of base plate (1), a plurality of slide rails (4) of one side fixedly connected with of mount (2), the outer wall sliding connection of a plurality of slide rails (4) has the slider, one side fixedly connected with movable block (6) of slider, the top of mount (2) is connected with lead screw (5) through the screw hole, and the one end of lead screw (5) is rotated and is connected in the top of movable block (6).

4. The electro-hydraulic servo steel rail longitudinal resistance measurement testing mechanism of claim 3, characterized in that: one side of the movable block (6) is fixedly connected with a telescopic rod (3) through a screw, a telescopic shaft of the telescopic rod (3) penetrates through the movable block (6) and then is fixedly connected with a measuring load sensor (11), and one side of the measuring load sensor (11) is provided with a connecting tool (10).

5. The electro-hydraulic servo steel rail longitudinal resistance measurement testing mechanism of claim 4, characterized in that: the top of the track bed (12) is fixedly connected with a steel rail (7) through a fastener, and the top of the connecting tool (10) is detachably connected to the bottom end of the steel rail (7) through a bolt.

6. The electro-hydraulic servo steel rail longitudinal resistance measurement testing mechanism of claim 4, characterized in that: the top of base plate (1) is provided with adjusts the support, adjusts fixedly connected with displacement sensor (8) on the support, and displacement sensor (8) are connected with servo controller.

7. The electro-hydraulic servo steel rail longitudinal resistance measurement testing mechanism of claim 6, characterized in that: and the displacement sensor (8) and the measuring load sensor (11) are electrically connected with the servo controller.

8. The electro-hydraulic servo steel rail longitudinal resistance measurement testing mechanism of claim 6, characterized in that: the servo controller comprises a servo control module, a signal generator, a measuring amplifier and a servo driving module, the telescopic rod (3) is connected with a constant-pressure servo pump station for air supply through an air path, a servo valve is arranged on the air path, and the servo valve is electrically connected to the servo controller.