Sleeper strength detection device

Abstract

The utility model relates to the technical field of sleeper strength detection, and particularly discloses a sleeper strength detection device which comprises a sleeper body, a detection bottom plate and a portal frame, and the sleeper body is placed on the detection bottom plate; the portal frame is aligned with the detection bottom plate up and down, and a lifting mechanism is mounted on the portal frame and used for driving the detection unit to move up and down; the detection unit comprises a transverse vehicle simulation unit and a longitudinal knocking unit. According to the utility model, the vertical knocking unit can be used for impacting the right upper part of the sleeper, and the state of the sleeper can be checked as a group of parameters for strength judgment after the impact is finished; in addition, the transverse vehicle simulation unit can simulate the vehicle moving process, force of multiple angles is applied to the sleeper in the simulated vehicle moving process, the state of the sleeper serves as another set of parameters for strength judgment after simulation is finished, the two sets of parameters are mutually reflected, and the obtained strength detection structure is more accurate.

Description

Technical Field

[0001] The utility model belongs to the technical field of sleeper strength detection, and in particular relates to a sleeper strength detection device. Background Art

[0002] Sleepers, also known as railroad ties, are also a type of railway component. However, they aren't made solely of wood. They not only support and maintain the rails, but also transfer the immense pressure from the rails to the trackbed.

[0003] In a Chinese patent application with publication number CN 215179137 U, a sleeper strength testing device is disclosed, which includes: a connecting frame; two brackets, respectively provided at both ends of the connecting frame; two base plates, respectively provided at the lower ends of the two brackets; two positioning seats, respectively placed on the two base plates, with positioning slots provided at relative positions of the two positioning seats; two positioning plates, respectively provided on a rotating column on the connecting frame, with both ends rotatably connected to the two positioning plates; a pulling rope, one end of which is connected to the rotating column and the other end is connected to the impact block;

[0004] However, the impact force on the sleeper during testing by the above-mentioned device comes from above. Sleepers are laid on the track. When a vehicle passes over the sleeper, the force applied to the sleeper does not come entirely from above. As the vehicle passes over the sleeper, forces from different directions squeeze the sleeper. Judging the strength of the sleeper solely by the impact force from above is rather one-sided, and the test results are also flawed. Therefore, this application proposes a sleeper strength testing device. Utility Model Content

[0005] The purpose of the utility model is to provide a sleeper strength detection device to solve the problems raised by the above background technology.

[0006] To achieve the above object, the present invention provides the following technical solution: a sleeper strength detection device, comprising a sleeper body, a detection base plate, and a gantry, wherein the sleeper body is placed on the detection base plate;

[0007] The gantry is aligned with the detection base plate, and a lifting mechanism is installed on the gantry, which is used to drive the detection unit to move up and down;

[0008] The detection unit includes a lateral vehicle simulation unit and a longitudinal knocking unit, wherein the lateral vehicle simulation unit includes a driving device, a receiving device, a simulated vehicle, and a simulated track, the driving device is used to give the simulated vehicle an initial speed, and the simulated vehicle moves along the simulated track, and the receiving device is used to receive and stop the simulated vehicle;

[0009] The longitudinal knocking unit includes a knocking plate, which is connected to an adjusting motor for driving it to rotate around an adjusting seat. Driven by the adjusting motor, the longitudinal knocking unit has at least two states, including a knocking state and a contracted state. In the knocking state, the height of the lowermost end of the knocking plate is lower than the height of the lowermost end of the simulation track. In the contracted state, the height of the lowermost end of the knocking plate is higher than the height of the lowermost end of the simulation track.

[0010] Preferably, a storage frame for accommodating the sleeper body is provided on the detection base plate, and a notch is provided in the storage frame at a position corresponding to the steel bar in the sleeper body.

[0011] Preferably, lifting sliders are installed at both ends of the detection unit, and the lifting sliders correspond one-to-one to the sliding grooves in the gantry.

[0012] Preferably, two simulation rails are provided, and the two simulation rails are respectively located directly above the two mounting grooves of the sleeper body.

[0013] Preferably, a buffer plate is provided at the receiving device, and the buffer plate is connected to a number of equally spaced guide rods, the guide rods are slidably connected to the inner wall of the guide groove in the receiving device, and a buffer spring is sleeved on the outer side of the guide rod, one end of the buffer spring rests on the buffer plate, and the other end rests on the outer shell of the receiving device.

[0014] Preferably, a support leg is installed at the lower end of the simulated track. When the lateral vehicle simulation unit detects the strength of the sleeper body, the support leg rests on the detection base plate, and at this time the lower end surface of the driving device and the lower end surface of the receiving device are flush with the upper end surface of the detection base plate.

[0015] Preferably, the detection unit includes a top plate, and the outer shell of the driving device and the outer shell of the receiving device are both connected to the top plate. A permanent magnet is provided on the top plate, and the permanent magnet is received in the support. A groove is provided in the knocking plate, and an adsorption block is stuck in the groove. When the longitudinal knocking unit is in a contracted state, the adsorption block and the permanent magnet are connected by magnetic force.

[0016] Compared with the prior art, the beneficial effects of the present invention are:

[0017] 1. The present invention can not only impact the sleeper directly from above through the longitudinal knocking unit, and check the state of the sleeper after the impact as one of the parameters for strength judgment; it can also simulate the process of vehicle movement through the transverse vehicle simulation unit, and apply forces at multiple angles to the sleeper during the simulation. The state of the sleeper after the simulation is used as another set of parameters for strength judgment. The two sets of parameters are reflected from each other, and the resulting strength detection structure is more accurate.

[0018] 2. During the operation of the lateral vehicle simulation unit of the present invention, the driving device gives the simulated vehicle an initial speed, allowing it to move on the simulated track at a certain speed and eventually be received by the receiving device. During the movement, it will squeeze the bottom sleeper body in multiple directions such as lateral and vertical directions. After the movement is completed, by checking the state of the sleeper body, it is determined whether it can withstand the pressure exerted on it by the vehicle during movement. During the movement of the simulated vehicle, forces in multiple directions can be applied to the sleeper body, so that the sleeper body is subjected to forces in all directions, and the conditions after the forces are applied in all directions are checked, so that more accurate strength test results can be obtained. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a structural schematic diagram of the sleeper strength detection device of the utility model.

[0020] Figure 2 For this utility model Figure 1 Right view of .

[0021] Figure 3 This is a structural diagram of the longitudinal striking unit of the present invention when it is in a retracted state.

[0022] Figure 4 This is a structural diagram of the longitudinal striking unit of the present invention when it is in a striking state.

[0023] In the figure: 1, sleeper body; 2, detection base plate; 3, storage frame; 301, notch;

[0024] 4. Detection unit; 401. Transverse vehicle simulation unit; 4011. Driving device; 4012. Receiving device; 4013. Simulated vehicle; 4014. Buffer plate; 4015. Buffer spring; 4016. Simulated track; 402. Longitudinal striking unit; 4021. Striking plate; 4022. Adjusting seat; 4023. Adsorption block; 4024. Permanent magnet; 4025. Support;

[0025] 5. Lifting mechanism; 6. Lifting slider; 7. Gantry; 701. Slide. DETAILED DESCRIPTION

[0026] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0027] Reference Figure 1-Figure 4A sleeper strength detection device includes a sleeper body 1, a detection base plate 2, and a gantry 7. The sleeper body 1 is placed on the detection base plate 2, and the strength of the sleeper body 1 is detected at the detection base plate 2. A storage frame 3 for accommodating the sleeper body 1 is provided on the detection base plate 2. A notch 301 is provided in the storage frame 3 at a position corresponding to the position of the steel bar in the sleeper body 1. The sleeper body 1 is made of reinforced concrete. The steel bar is located inside the sleeper body 1, and a section of the steel bar will leak out. The notch 301 is provided at the position of the steel bar to prevent the steel bar inside the sleeper body 1 from colliding with the storage frame 3 when the sleeper body 1 enters the storage frame 3 from top to bottom.

[0028] Furthermore, the gantry 7 is aligned with the detection base plate 2 up and down, and a lifting mechanism 5 is installed on the gantry 7, which is used to drive the detection unit 4 to move up and down. Lifting sliders 6 are installed at both ends of the detection unit 4, and the lifting sliders 6 correspond one-to-one to the slide grooves 701 in the gantry 7.

[0029] It should be noted that the detection unit 4 includes a lateral vehicle simulation unit 401 and a longitudinal knocking unit 402, wherein the lateral vehicle simulation unit 401 includes a driving device 4011, a receiving device 4012, a simulated vehicle 4013, and a simulated track 4016. The driving device 4011 is used to give the simulated vehicle 4013 an initial velocity, and the simulated vehicle 4013 moves along the simulated track 4016. The receiving device 4012 is used to receive and stop the simulated vehicle 4013, specifically to stop it at the receiving device 4012. Afterwards, the simulated vehicle 4013 can be moved to the driving device 4011 manually or by the simulated vehicle 4013's own power mechanism.

[0030] The driving device 4011 gives the simulated vehicle 4013 an initial speed, allowing it to move at a certain speed on the simulated track 4016, and finally be received by the receiving device 4012. During the movement, it will squeeze the sleeper body 1 at the bottom in multiple directions such as lateral and vertical directions. After the movement is completed, by checking the status of the sleeper body 1, it is determined whether it can withstand the pressure exerted on it during the movement of the vehicle, which is used as one of the bases for judging whether its strength meets the standards.

[0031] Specifically, two simulation tracks 4016 are provided, and the two simulation tracks 4016 are respectively located directly above the two mounting grooves of the sleeper body 1. The upper end surface of the sleeper body 1 is provided with two mounting grooves for mounting rails. When the lateral vehicle simulation unit 401 starts simulating, the simulation tracks 4016 are set in the mounting grooves to simulate real rails. A buffer plate 4014 is provided at the receiving device 4012. The buffer plate 4014 is connected to a number of equally spaced guide rods. The guide rods and the receiving device 4012 are connected. 12 is slidably connected to the inner wall of the guide groove, and a buffer spring 4015 is sleeved on the outer side of the guide rod, one end of the buffer spring 4015 is against the buffer plate 4014, and the other end is against the outer shell of the receiving device 4012. A support leg is installed at the lower end of the simulation track 4016. When the lateral vehicle simulation unit 401 simulates the strength of the sleeper body 1, the support leg is against the detection base plate 2, and at this time, the lower end face of the driving device 4011 and the lower end face of the receiving device 4012 are flush with the upper end face of the detection base plate 2.

[0032] More specifically, the longitudinal knocking unit 402 includes a knocking plate 4021, which is connected to an adjusting motor for driving it to rotate around an adjusting seat 4022. Driven by the adjusting motor, the longitudinal knocking unit 402 has at least two states, including a knocking state and a contracted state. In the knocking state, the height of the lower end of the knocking plate 4021 is lower than the height of the lower end of the simulation track 4016. In the contracted state, the height of the lower end of the knocking plate 4021 is higher than the height of the lower end of the simulation track 4016, and the height of its lower end needs to be higher than the height of the simulation vehicle 4013, so as not to hinder the movement of the simulation vehicle 4013; the lower end surface of the simulation track 4016 is directly in contact with the sleeper body 1. In the knocking state, the end of the knocking plate 4021 is located on the lower side of the simulation track 4016. At this time, the lifting mechanism 5 drives it to move up and down to knock on the sleeper body 1 to check the ability of the sleeper body 1 to resist vertical impact, which serves as another basis for judging whether the strength of the sleeper body 1 meets the requirements.

[0033] It should be noted that the detection unit 4 includes a top plate, and the outer shell of the driving device 4011 and the outer shell of the receiving device 4012 are both connected to the top plate. A permanent magnet 4024 is provided on the top plate, and the permanent magnet 4024 is received in the support 4025. A groove is provided in the knocking plate 4021, and an adsorption block 4023 is stuck in the groove. When the longitudinal knocking unit 402 is in a retracted state, the adsorption block 4023 and the permanent magnet 4024 are connected by magnetic force; specifically, when the longitudinal knocking unit 402 is in a retracted state, the knocking plate 4021 is adsorbed on the permanent magnet 4024 by magnetic force.

[0034] Working principle:

[0035] The sleeper body 1 is placed into the storage frame 3 in the inspection base plate 2 by a robot or other equipment. The inspection unit 4 is driven down by the lifting mechanism 5, so that the simulated track 4016 in the lateral vehicle simulation unit 401 falls to the position above the sleeper body 1. Then, the driving device 4011 is started to make the simulated vehicle 4013 move on the simulated track 4016 at a certain speed. After the simulated vehicle 4013 is received by the receiving device 4012, the simulated vehicle 4013 is moved back to the position of the driving device 4011 by its own power. The inspection unit 4 is lifted up by the lifting mechanism 5 to check the condition of the sleeper body 1.

[0036] Then start the adjustment motor in the longitudinal knocking unit 402, rotate the knocking plate 4021 to a vertical state, and then the lifting mechanism 5 drives it to move up and down to knock the sleeper body 1, and then the lifting mechanism 5 drives it to move up to check the condition of the sleeper body 1. Based on the two checks on the condition of the sleeper body 1, it is judged whether the strength of the sleeper body 1 meets the requirements.

[0037] Although the 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 variations may be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A sleeper strength detection device, comprising a sleeper body (1), a detection base plate (2), and a gantry (7), characterized in that: The sleeper body (1) is placed on a detection base plate (2); The gantry (7) is aligned with the detection base plate (2) in an up-down manner, and a lifting mechanism (5) is installed on the gantry (7), and the lifting mechanism (5) is used to drive the detection unit (4) to move up and down; The detection unit (4) comprises a transverse vehicle simulation unit (401) and a longitudinal knocking unit (402), wherein the transverse vehicle simulation unit (401) comprises a driving device (4011), a receiving device (4012), a simulated vehicle (4013), and a simulated track (4016); the driving device (4011) is used to give the simulated vehicle (4013) an initial speed, so that the simulated vehicle (4013) moves along the simulated track (4016); and the receiving device (4012) is used to receive and stop the simulated vehicle (4013); The longitudinal knocking unit (402) comprises a knocking plate (4021), which is connected to an adjustment motor for driving the knocking plate (4021) to rotate around an adjustment seat (4022). Driven by the adjustment motor, the longitudinal knocking unit (402) has at least two states, including a knocking state and a retracted state. In the knocking state, the height of the lowest end of the knocking plate (4021) is lower than the height of the lowest end of the simulation track (4016); in the retracted state, the height of the lowest end of the knocking plate (4021) is higher than the height of the lowest end of the simulation track (4016).

2. A sleeper strength detection device according to claim 1, characterized in that: A receiving frame (3) for accommodating the sleeper body (1) is provided on the detection base plate (2), and a notch (301) is provided in the receiving frame (3) at a position corresponding to the steel bar in the sleeper body (1).

3. A sleeper strength detection device according to claim 1, characterized in that: Both ends of the detection unit (4) are equipped with lifting sliders (6), and the lifting sliders (6) correspond one to one with the slide grooves (701) in the gantry (7).

4. A sleeper strength detection device according to claim 1, characterized in that: Two simulation rails (4016) are provided, and the two simulation rails (4016) are respectively located directly above the two mounting slots of the sleeper body (1).

5. A sleeper strength detection device according to claim 4, characterized in that: The receiving device (4012) is provided with a buffer plate (4014), the buffer plate (4014) is connected to a plurality of equally spaced guide rods, the guide rods are slidably connected to the inner wall of the guide groove in the receiving device (4012), and a buffer spring (4015) is sleeved on the outer side of the guide rod, one end of the buffer spring (4015) rests on the buffer plate (4014), and the other end rests on the outer shell of the receiving device (4012).

6. A sleeper strength detection device according to claim 5, characterized in that: The lower end of the simulation track (4016) is equipped with a support leg. When the lateral vehicle simulation unit (401) detects the strength of the sleeper body (1), the support leg rests on the detection base plate (2), and at this time, the lower end surface of the driving device (4011) and the lower end surface of the receiving device (4012) are flush with the upper end surface of the detection base plate (2).

7. A sleeper strength detection device according to claim 1, characterized in that: The detection unit (4) comprises a top plate, and the housings of the driving device (4011) and the receiving device (4012) are both connected to the top plate. A permanent magnet (4024) is provided on the top plate, and the permanent magnet (4024) is received in a support (4025). A groove is provided in the knocking plate (4021), and an adsorption block (4023) is inserted into the groove. When the longitudinal knocking unit (402) is in a contracted state, the adsorption block (4023) and the permanent magnet (4024) are connected via magnetic force.

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