Battery module mounting structure and steel rail straightness measuring instrument

Abstract

The utility model relates to a battery module mounting structure and a steel rail straightness measuring instrument, the battery module mounting structure is arranged on a shell of the steel rail straightness measuring instrument and is used for mounting a battery module, the battery module is detachably mounted on the shell, the shell comprises an end cover located at the side end, and the end cover is detachably mounted on the shell. The end cover is provided with a mounting groove for allowing the battery module to pass through and be plugged; the battery module comprises a battery box and a battery cover plate connected to the end part of the battery box, a screw joint sleeve is arranged in the mounting groove, a hand screw bolt is in screw joint in the screw joint sleeve, and the hand screw bolt penetrates through the battery cover plate to press the battery module in the mounting groove. The steel rail straightness measuring instrument is simple in structure and convenient to operate, and stable, reliable and normal use of the steel rail straightness measuring instrument can be guaranteed through a mode of rapidly replacing the battery module.

Description

TECHNICAL FIELD

[0001] The present application relates to the field of railway measurement and control equipment, in particular to a battery module mounting structure and a rail straightness measuring instrument. BACKGROUND

[0002] In the rail transit industry, seamless steel rails are increasingly widely used in high-speed and heavy-load railway lines. Seamless steel rails are welded together through welding processes, which effectively improves the safety, stability and comfort of train operation compared to traditional jointed steel rails.

[0003] In order to evaluate the welding quality of seamless steel rails, the steel rail welding process requires that after welding and subsequent grinding processes are completed, special instruments should be used to check whether the straightness of the steel rail welding position meets the acceptance standard. Through data collection and analysis of the straightness of the steel rail, the welding quality of the steel rail can be evaluated, routine operation and inspection can be guided for subsequent grinding of the steel rail, and the running safety of the train can be ensured.

[0004] The electronic straight ruler currently used adopts a built-in battery structure design, the purpose of which is mainly to improve the protection level of the equipment and reduce the weight of the equipment. However, due to the weight and environmental restrictions, the endurance and low-temperature performance of the device are poor. In addition, steel rails are often in outdoor environments, and the use of the device is often affected by the inconvenience of charging and the endurance problem. Since the electrolyte activity of lithium batteries will be affected in low-temperature environments, the actual capacity of the battery will be reduced compared to the capacity at normal temperature, thereby reducing the endurance of the battery. In order to protect the battery from low-temperature damage, the protection mechanism of the battery may automatically adjust the charging and discharging current to limit the working range of the battery, which may also shorten the battery endurance time. CONTENT OF THE INVENTION

[0005] The purpose of the present application is to provide a battery module mounting structure and a rail straightness measuring instrument. By modularizing the battery part, the battery can be quickly replaced on site, the endurance performance of the equipment can be improved by replacing the battery, and the use time of the rail straightness measuring instrument can be prolonged.

[0006] In order to achieve the above-mentioned purpose, in a first aspect, the utility model provides a battery module mounting structure, which is arranged on the shell of a rail straightness measuring instrument and is used for mounting a battery module. The battery module is detachably mounted on the shell. The shell includes an end cover at a side end. The end cover is provided with a mounting slot for plugging and unplugging the battery module.

[0007] The battery module comprises a battery box and a battery cover plate connected at the end of the battery box, a screw sleeve is arranged inside the mounting groove, a hand screw bolt is screwed in the screw sleeve, and the hand screw bolt is threaded through the battery cover plate to press-fit the battery module in the mounting groove.

[0008] In an optional embodiment, a guide rail is fixedly installed inside the shell, the guide rail comprises a connecting fin and a guide fin, the connecting fin is fixedly connected with the shell, and the battery box comprises a guide groove at the side, and the guide fin is in sliding fit with the guide groove.

[0009] In an optional embodiment, the guide rail further comprises a base at the bottom, the connecting fin, the guide fin and the base are arranged in a T shape, an end surface of the base is connected with a connecting column, and an end of the connecting column is connected to the inner side wall of the end cover.

[0010] In an optional embodiment, the mounting groove comprises a through groove structure arranged on the end cover, and the size of the slot opening of the mounting groove is not greater than the size of the wheel frame of the battery cover plate.

[0011] In an optional embodiment, an internal thread is arranged inside the screw sleeve, the hand screw bolt comprises a threaded stud, an external thread is arranged on the threaded stud, and the screw sleeve is in threaded fit with the threaded stud.

[0012] In an optional embodiment, the hand screw bolts and the screw sleeves are arranged in pairs respectively, the screw sleeves are arranged on both sides in the width direction of the mounting groove, and the end surface of the screw sleeve protrudes from the outer end surface of the end cover.

[0013] In an optional embodiment, the battery cover plate is integrally connected with the side end of the battery box through a screw, a push-pull handle is arranged at the middle of the battery cover plate, and the push-pull handle comprises a ring-shaped handle connected to the outer side wall of the battery cover plate.

[0014] In an optional embodiment, an electric circuit board is arranged inside the shell, spring needle contacts are connected to the electric circuit board, a power connection column is arranged at the tail end of the battery box, the power connection column comprises a hollow butt joint column with an open tail end, and the power connection column can be in plug-in fit with the spring needle contacts in the press-fit state of the battery module.

[0015] In an optional embodiment, the spring needle contacts comprise a spherical surface structure at the head end, the power connection column comprises an arc-shaped groove at the tail end, and the spherical surface structure is in contact fit with the arc-shaped groove.

[0016] Secondly, this utility model provides a rail straightness measuring instrument, including the battery module mounting structure described in any of the foregoing embodiments, wherein the battery module is detachably and replaceably mounted on the rail straightness measuring instrument through the battery module mounting structure.

[0017] By detachably mounting the battery module onto the housing of the rail straightness measuring instrument, it is easy to replace the battery module and to quickly replace it on-site. This improves the battery life of the rail straightness measuring instrument and avoids situations where the charging equipment cannot be used.

[0018] The housing of the rail straightness measuring instrument includes an end cap located on the side, which, combined with a mounting groove on the end cap, facilitates the insertion and removal of the battery module.

[0019] The battery module includes a battery box and a battery cover plate connected to the end of the battery box, which facilitates the connection and installation of the battery module in the mounting slot and makes it easy to replace the integrated battery box and battery cover plate on the housing.

[0020] The battery module is easily press-fitted into the mounting slot by using a threaded sleeve installed inside the mounting slot and a hand-tightened bolt that passes through the battery cover and is screwed onto the threaded sleeve.

[0021] The battery module installation structure of this utility model is simple in structure and easy to operate. It can ensure the normal use of the rail straightness measuring instrument by quickly replacing the battery module.

[0022] Other features and advantages of this application will be described in detail in the following detailed description section. Attached Figure Description

[0023] To more clearly illustrate the technical solutions of the embodiments of this application, the accompanying drawings used in the embodiments will be briefly introduced below. It should be understood that the following drawings only show some embodiments of this application and should not be regarded as a limitation of the scope. For those skilled in the art, other related drawings can be obtained based on these drawings without creative effort.

[0024] Figure 1 This is a schematic diagram of the battery module mounting structure in this application;

[0025] Figure 2 for Figure 1 A top-view structural diagram.

[0026] icon:

[0027] 1-Rail straightness measuring instrument; 11-House; 12-End cap; 13-Mounting groove; 14-Circuit board; 15-Spring pin contact;

[0028] 2-battery module; 21-battery box; 22-battery cover plate; 23-guide slot; 24-pull handle; 25-electric connector post;

[0029] 3-screw sleeve;

[0030] 4-hand screw bolt;

[0031] 5-rail; 51-connection fin; 52-guide fin; 53-base; 54-connection post. DETAILED DESCRIPTION

[0032] In order to make the purpose, technical scheme and advantages of the embodiments of the present application clearer, the technical scheme in the embodiments of the present application will be described clearly and completely below in combination with the drawings in the embodiments of the present application. Obviously, the described embodiments are some embodiments of the present application, not all embodiments of the present application. The components of the embodiments of the present application described and shown in the drawings herein can be arranged and designed in various different configurations.

[0033] In the description of the present application, it should be noted that the positions or location relationships indicated by the terms “inner”, “outer” and the like are based on the positions or location relationships shown in the drawings, or the positions or location relationships of the products of the present application when they are usually placed, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the indicated devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the present application. In addition, the terms “first”, “second” and the like are only used to distinguish the description and cannot be understood as indicating or implying relative importance.

[0034] In the description of the present application, it should be noted that, unless otherwise explicitly specified and limited, the terms “set”, “connected” should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected; it can be directly connected, or indirectly connected through an intermediate medium, or it can be the communication inside two elements. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0035] The battery module mounting structure in the present application is mainly applied in the use of the rail straightness measuring instrument 1, and necessary structures are set to ensure the disassembly, replacement and replacement of the battery module 2 on the shell 11 of the rail straightness measuring instrument 1.

[0036] Referring to Figure 1 , in combination with Figure 2The utility model discloses a battery module installation structure, set up on the shell 11 of rail straightness measuring instrument 1, be used for the installation of battery module 2, battery module 2 is detachably installed on the shell 11, the shell 11 includes the end cover 12 at the side end, the end cover 12 is provided with the installation slot 13 for the battery module 2 through plug -in and plug -out,

[0037] The battery module 2 includes a battery box 21 and a battery cover plate 22 connected to the end of the battery box 21, the installation slot 13 is provided with a threaded sleeve 3 inside, the threaded sleeve 3 is screwed with a hand screw bolt 4, the hand screw bolt 4 is inserted through the battery cover plate 22 to press-fit the battery module 2 in the installation slot 13.

[0038] By setting the installation slot 13 on the end cover 12 of the shell 11, the battery module 2 is conveniently plugged in and out, and the overall disassembly and replacement of the battery module 2 is facilitated.

[0039] The end cover 12 is made of reinforced nylon, which has excellent wear resistance, heat resistance, high mechanical strength, self-extinguishing, good dimensional stability, and added glass fiber material to improve the impact resistance of the material. The end cover 12 is installed on the shell 11 of the rail straightness measuring instrument 1 by screws, and the surface is fitted with a silicone gasket to enhance the protection performance.

[0040] The battery module 2 includes an integrated structure of the battery box 21 and the battery cover plate 22, which constitutes an independent whole of the battery module 2. When replacing, the battery box 21 and the battery cover plate 22 can be disassembled and replaced quickly. The battery box 21 is made of aluminum alloy material, and multiple groups of lithium ion cells are installed inside, and a temperature control element is also provided inside.

[0041] At the installation angle of the battery module 2, the threaded sleeve 3 is fixedly installed inside the installation slot 13, and the hand screw bolt 4 is provided which can pass through the battery cover plate 22 and be screwed in the threaded sleeve. The battery module 2 is press-fitted in the installation slot 13 by fixing the hand screw bolt 4 in the threaded sleeve 3 and clamping the nut of the hand screw bolt 4 on the outer wall of the battery cover plate 22, effectively realizing the fixation of the battery module 2 in the installation slot 13. The battery module 2 can be quickly replaced on the end cover 12 of the shell 11 by hand rotating the hand screw bolt 4.

[0042] In one of the specific embodiments, the shell 11 is internally fixedly mounted with a guide rail 5, which comprises a connecting fin 51 and a guide fin 52, the connecting fin 51 is mainly used for connecting the guide rail 5 as a whole to the shell 11, and the guide fin 52 is specifically used for guiding, through the cooperation of the guide fin 52 and the battery box 21, the battery box 21 can be conveniently plugged and unplugged, which can improve the shock resistance of the battery and facilitate the pulling of the battery.

[0043] Specifically, the connecting fin 51 is fixedly connected with the shell 11, the battery box 21 comprises a guide groove 23 located at the side, the guide fin 52 is in sliding cooperation with the guide groove 23, which can play a role in positioning and guiding during plugging and unplugging, and can enhance the stability of plugging and unplugging.

[0044] The guide rail 5 in the embodiment further comprises a base 53 located at the bottom, the connecting fin 51, the guide fin 52 and the base 53 are arranged in a T shape, the end face of the base 53 is connected with a connecting column 54, and the end of the connecting column 54 is connected to the inner side wall of the end cover 12.

[0045] Through the setting mode, the guide rail 5 as a whole can be conveniently connected with the end cover 12, the reliability of the installation of the guide rail 5 is ensured, and the overall structural strength of the guide rail 5 is enhanced, thereby providing a stable basis for the guidance of the battery box 21.

[0046] The mounting groove 13 comprises a through groove structure arranged on the end cover 12, the through groove structure is straightly and openly arranged in the thickness direction of the end cover 12, and the battery box 21 as a whole can be conveniently and quickly passed through.

[0047] In order to ensure that the battery cover plate 22 is securely installed at the part of the mounting groove 13 and that the battery box 21 can be well installed, the slot profile size of the mounting groove 13 is not greater than the wheel frame size of the battery cover plate 22, and further, the wheel frame of the battery cover plate 22 is slightly smaller than the slot profile of the mounting groove 13, so that the battery cover plate 22 can be gap-fitted with the mounting groove 13, and the butt joint installation is facilitated.

[0048] The battery cover plate 22 in the embodiment is fixedly installed on the mounting groove 13 by the connecting cooperation of the screw sleeve 3 and the hand screw bolt 4.

[0049] The screw sleeve 3 is internally provided with an internal thread, the hand screw bolt 4 comprises a screw column, the screw column is provided with an external thread, and the screw sleeve 3 is in threaded cooperation with the screw column.

[0050] Further, the hand screw bolt 4 further comprises a hand screw nut, which is externally exposed and clamped on the outside of the battery cover plate 22, and can realize quick screwing and dismounting.

[0051] From the perspective of enhancing stability, the hand-tightening bolts 4 and the threaded sleeves 3 are arranged in pairs, respectively, the threaded sleeves 3 are arranged on both sides of the width direction of the mounting groove 13, and the end faces of the threaded sleeves 3 protrude from the outer end face of the end cover 12.

[0052] After the battery cover plate 22 is pushed to the position of the end cover 12, the fixation of the battery cover plate 22 can be completed by the hand-tightening bolts 4 and the threaded sleeves 3 on both sides.

[0053] The battery cover plate 22 is integrally connected with the side end of the battery box 21 through screws, and the battery cover plate 22 can be held to facilitate plugging operation.

[0054] A push-pull handle 24 is arranged at the middle part of the battery cover plate 22, and the push-pull handle 24 includes a ring-shaped handle connected to the outer side wall of the battery cover plate 22, which is convenient for manual holding and improves the plugging operation efficiency.

[0055] The inside of the shell 11 is provided with a circuit board 14, the circuit board 14 is connected with a spring needle contact 15, the tail end of the battery box 21 is provided with an electric contact column 25, the electric contact column 25 includes a hollow butt joint column with an open tail end, the electric contact column 25 can be inserted and matched with the spring needle contact 15 in the pressed state of the battery module 2, and power transmission can be formed, so that a higher service life and stable output of the power supply part can be realized.

[0056] Preferably, the spring needle contact 15 includes a spherical surface structure at the head end, the electric contact column 25 includes an arc-shaped groove at the tail end, and the spherical surface structure is in contact and matched with the arc-shaped groove. Through the arrangement mode, multi-angle curved surface contact of the spring needle contact 15 and the battery contact can be formed, the stability of the power supply is improved, and the paired connection of the two can be quickly realized in the installation process.

[0057] The main function of the spring needle contact 15 is to connect the battery electrode and the circuit board 14, the assembly adopts a spring needle connector structure, the structure does not change in position during compression, and the stability of the electrical performance is ensured, and the structure has a good vibration tolerance, so that good connectivity can be maintained even in the case of long-term movement or vibration.

[0058] The utility model also provides a steel rail straightness measuring instrument 1, including the battery module installation structure described above, the battery module 2 is detachably installed on the steel rail straightness measuring instrument 1 through the battery module installation structure.

[0059] The existing steel rail straightness measuring instrument has the following three problems in the measurement process: (1) the battery adopts an integrated structure design, which cannot be replaced on site. (2) the device has no backup battery and cannot be used when charging. (3) the device has a shortened endurance in a low-temperature environment, and the power display is inaccurate.

[0060] By setting the detachable battery module 2, the power supply condition of the rail straightness measuring instrument 1 can be greatly improved, and the use time is prolonged. The rail straightness measuring instrument 1 is modularly designed with the battery module 2, which can quickly replace the battery on site, improve the endurance performance of the equipment by replacing the battery, and avoid the purpose that the equipment cannot be used during the charging process.

[0061] The battery is fixed and sealed by an external hand screw bolt 4, and is internally designed with a guide fin 52 and a guide groove 23. Through the cooperation of the guide fin 52 and the guide groove 23, a higher protection level and shock resistance can be achieved. By replacing the battery, the battery can be preheated in a low temperature environment to ensure the endurance and quick start of the battery. By using a spring needle contact 15 for power transmission, a longer service life and stability can be achieved.

[0062] The battery module 2 is modularly designed, the battery box 21 is made of aluminum alloy material, and both sides are equipped with a rectangular fixed guide groove 23, which is convenient for installation and has a high protection level and shock resistance, avoids the risk of self-ignition of the battery due to impact, and increases the safety performance of the battery. The battery cover plate 22 is installed and locked by two hand screw bolts 4, which realizes a high protection level, realizes quick disassembly and assembly, and achieves the purpose of use in harsh environments. The battery connection part adopts a spring needle contact 15 for power transmission, which can realize a longer service life and stable output of the power supply part, and the spring needle and the battery contact part are designed with a multi-angle curved surface, which improves the stability of the power supply.

[0063] It should be noted that the features in the embodiments of the present application can be combined with each other without conflict.

[0064] The above only describes the preferred embodiments of the present application and is not intended to limit the present application. Those skilled in the art can make various modifications and changes to the present application. Any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application shall be included in the protection scope of the present application.

Claims

1. A battery module mounting structure provided on a housing of a rail straightness measuring instrument for mounting of a battery module, characterized by, The battery module is detachably mounted on the shell, and the shell includes end covers at side ends, and the end covers are provided with mounting grooves for plugging and unplugging the battery module; The battery module includes a battery box and a battery cover plate connected to an end of the battery box, the mounting groove is internally provided with a threaded sleeve, a hand screw bolt is screwed in the threaded sleeve, and the hand screw bolt is inserted through the battery cover plate to press-fit the battery module in the mounting groove.

2. The battery module mounting structure according to claim 1, characterized by The shell is internally fixedly provided with a guide rail, the guide rail includes connecting fins and guide fins, the connecting fins are fixedly connected to the shell, and the battery box includes guide grooves at side portions, and the guide fins are slidingly matched with the guide grooves.

3. The battery module mounting structure according to claim 2, characterized by The guide rail further includes a base at a bottom portion, the connecting fins, the guide fins and the base are arranged in a T shape, an end surface of the base is connected to a connecting column, and an end portion of the connecting column is connected to an inner side wall of the end cover.

4. The battery module mounting structure according to claim 1, characterized by The mounting groove includes a through groove structure provided on the end cover, and an opening profile size of the mounting groove is not greater than a wheel frame size of the battery cover plate.

5. The battery module mounting structure according to claim 1, characterized by The threaded sleeve is internally provided with an internal thread, the hand screw bolt includes a threaded column, the threaded column is provided with an external thread, and the threaded sleeve is connected to the threaded column in a matching mode.

6. The battery module mounting structure according to claim 5, characterized by The hand screw bolts and the threaded sleeves are arranged in pairs, respectively, the threaded sleeves are arranged at two sides in a width direction of the mounting groove, and end surfaces of the threaded sleeves protrude from an outer end surface of the end cover.

7. The battery module mounting structure according to claim 1, characterized by The battery cover plate is integrally connected to a side end of the battery box through a screw, a push-pull handle is arranged at a middle portion of the battery cover plate, and the push-pull handle includes a ring-shaped handle connected to an outer side wall of the battery cover plate.

8. The battery module mounting structure according to claim 1, characterized by The shell is internally provided with a circuit board, the circuit board is connected to spring needle contacts, a tail end of the battery box is provided with an electrical connecting column, the electrical connecting column includes a hollow butt joint column with an open tail end, and the electrical connecting column can be inserted and matched with the spring needle contacts in a press-fitting state of the battery module.

9. The battery module mounting structure according to claim 8, characterized by The spring needle contacts include a spherical surface structure at a head end, the electrical connecting column includes an arc-shaped groove at a tail end, and the spherical surface structure is in contact and matching with the arc-shaped groove.

10. A rail straightness gauge, characterised in that, The battery module installation structure includes the battery module installation structure according to any one of claims 1-9, and the battery module is detachably and replaceably mounted on the rail straightness measuring instrument through the battery module installation structure.

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