Lead-acid battery shell expansion testing device

Abstract

The utility model belongs to the technical field of lead-acid battery shell expansion testing devices, in particular to a lead-acid battery shell expansion testing device, which is characterized in that an auxiliary detection device is arranged on a detection box body; a moving frame is mounted in the sliding hole; a sliding rod is mounted in the limiting hole in a sliding manner; one end of the sliding rod extends out and is fixedly connected with a limiting plate; a spring is mounted outside the section of the sliding rod in a sleeving manner; a graduated scale is mounted in the through hole in a sliding manner; a telescopic mechanism is mounted on an external frame body of the movable frame; the acting end of the telescopic rod penetrates through the movable frame, extends out of the outside and is connected to the detection box body. A lifting mechanism is mounted at the bottom of the detection box body; the top end of the lifting rod is fixedly connected with a pushing plate; through the action of the auxiliary detection device, the structure is simple, the operation is convenient, the detection effect on battery shells of different sizes is achieved, and the application range of the detection equipment is expanded.

Description

Technical Field

[0001] The utility model relates to the technical field of lead-acid battery shell expansion testing devices, in particular to a lead-acid battery shell expansion testing device. Background Art

[0002] After the lead-acid battery shell is produced, in order to detect the quality of the shell, an expansion test device is needed to detect whether the production quality of the shell meets the production requirements;

[0003] A Chinese patent with publication number CN210051871U discloses a battery expansion detection device, including a lower shell, an upper shell and a hinge, the buckle is fixed on the outer wall of the lower shell, the top of the lower shell is provided with the battery placement groove A, the elastic element and the pressure sensor are both embedded in the bottom of the battery placement groove A, and the pressure sensor is fixed to the bottom of the elastic element, the fixing lock is fixed on the outer wall of the upper shell, the battery placement groove B is provided at the bottom of the upper shell, the heat conductive sheet is embedded in the bottom of the battery placement groove B, the temperature sensor is fixed to the bottom of the heat conductive sheet, and the lower shell is rotatably connected to the upper shell through the hinge; the battery usage data is viewed on the data display screen, and the continuous service life of the battery is evaluated based on the data, the evaluation test result is highly accurate, and the specific battery expansion situation is timely known;

[0004] The above-mentioned battery expansion detection device is inconvenient to operate, inefficient, and has a small application range when in use. It can only detect batteries of fixed sizes and models. Therefore, a lead-acid battery shell expansion test device is proposed to address the above problems. Utility Model Content

[0005] In order to make up for the deficiencies of the prior art and solve some existing problems of lead-acid battery shell expansion testing devices, the utility model provides a lead-acid battery shell expansion testing device.

[0006] The technical solution adopted by the utility model to solve its technical problems is: a lead-acid battery shell expansion test device described in the utility model comprises a detection box; a detection cavity is provided inside the detection box; support blocks are fixedly connected to the four corners of the bottom of the detection box; an auxiliary detection device is installed on the detection box; the auxiliary detection device comprises a sliding hole; sliding holes are penetrated through the four side plates of the detection box; a moving frame is installed inside the sliding hole; the frame body of the moving frame at one end is located inside the detection cavity; limiting holes are symmetrically provided on the frame body of the moving frame located inside the detection cavity; a sliding rod is slidably installed inside the limiting hole; one end of the sliding rod extends out and is fixedly connected to the limiting plate; a spring is sleeved and installed on the outside of the cross section of the sliding rod; one end of the spring is connected to the limiting plate; the other end of the spring is connected to the frame body of the moving frame;

[0007] A through hole is provided at the top of the position limit hole on the frame of the mobile frame; a scale is slidably installed inside the through hole; a connecting piece is fixedly connected to the end of the sliding rod away from the limit plate; one end of the scale extends out through the through hole and is connected to the connecting piece; the detection of the shell is convenient.

[0008] Preferably, structural holes are provided through the four side panels of the detection box body at positions close to the openings of the sliding holes, thereby achieving an auxiliary effect.

[0009] Preferably, the spring does not deform when not in action; when the spring is compressed to the shortest distance, the connecting piece passes through the structural hole and extends out to the outside, thereby ensuring the smooth operation of the connecting piece.

[0010] Preferably, a telescopic mechanism is installed on the frame of the mobile frame located outside; a telescopic rod is installed on the active end surface of the telescopic mechanism; the active end of the telescopic rod passes through the mobile frame and extends to the outside and is connected to the detection box; thus, the detection of battery shells of different sizes is achieved.

[0011] Preferably, a lifting mechanism is installed at the bottom of the detection box; a lifting rod is installed at the top of the lifting mechanism; the top end of the lifting rod passes through the bottom plate of the detection box and is inserted into the interior of the detection cavity; a pushing plate is fixed to the top end of the lifting rod; the placement of the battery casing is facilitated.

[0012] Preferably, the lifting trajectory of the push plate does not intersect with the operating trajectory of the limit plate; when the top end of the lifting rod is raised to the highest position, the horizontal plane where the top end surface of the push plate is located coincides with the horizontal plane where the top end surface of the detection box is located; so that the push plate can operate smoothly.

[0013] The utility model is beneficial in that:

[0014] The utility model places the battery shell to be tested on the top of the push plate through the structural design of the auxiliary detection device, and starts the lifting mechanism, so that the lifting rod drives the push plate to move downward to the lowest position, and then starts the telescopic mechanism, and the telescopic rod drives the moving frame to move along the sliding hole to a suitable position, so that the plate body of the limit plate contacts the battery shell, and then, in the process of expansion of the battery shell, the protruding position of the shell pushes the corresponding limit plate, and the limit plate is forced to push the sliding rod to move along the limit hole to a suitable position, so that the spring is compressed and generates a reaction force, and with the cooperation of the connecting piece, the scale moves along the through hole accordingly, and the scale line value on the scale is observed, so that the expansion degree of the battery shell can be accurately detected, the structure is simple, and the operation is convenient, so that the detection function of battery shells of different sizes is achieved, and the application range of the detection equipment is expanded. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative labor.

[0016] Figure 1 It is an isometric structural diagram;

[0017] Figure 2 It is a structural diagram of the detection box;

[0018] Figure 3 It is a structural schematic diagram of a mobile rack;

[0019] Figure 4 for Figure 3 Schematic diagram of the enlarged structure at point A in the middle.

[0020] In the figure: 1. detection box; 2. detection cavity; 3. support block; 401. sliding hole; 402. moving frame; 403. limit hole; 404. sliding rod; 405. limit plate; 406. spring; 407. through hole; 408. scale; 409. connecting piece; 410. telescopic mechanism; 411. telescopic rod; 412. lifting mechanism; 413. lifting rod; 414. push plate; 415. structural hole. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0022] See also Figure 1-4 As shown, a lead-acid battery shell expansion test device comprises a detection box 1; a detection cavity 2 is provided inside the detection box 1; support blocks 3 are fixedly connected to the four corners of the bottom of the detection box 1; an auxiliary detection device is installed on the detection box 1; the auxiliary detection device comprises a sliding hole 401; sliding holes 401 are provided through the four side plates of the detection box 1; a moving frame 402 is installed inside the sliding hole 401; the frame body of the moving frame 402 at one end is located inside the detection cavity 2; limiting holes 403 are symmetrically provided on the frame body of the moving frame 402 located inside the detection cavity 2; a sliding rod 404 is slidably installed inside the limiting hole 403; one end of the sliding rod 404 extends out and is fixedly connected to a limiting plate 405; a spring 406 is sleeved and installed on the outside of the cross section of the sliding rod 404; one end of the spring 406 is connected to the limiting plate 405; the other end of the spring 406 is connected to the frame body of the moving frame 402;

[0023] A through hole 407 is provided at the top of the position limit hole 403 on the frame of the mobile frame 402; a scale 408 is slidably installed inside the through hole 407; a connecting piece 409 is fixedly connected to the end of the sliding rod 404 away from the limit plate 405; one end of the scale 408 extends out through the through hole 407 and is connected to the connecting piece 409; structural holes 415 are penetrated and opened at the positions near the opening of the sliding hole 401 on the four side plates of the detection box 1; the spring 406 does not deform when it is not in action; when the spring 406 is compressed to the shortest distance, the connecting piece 409 passes through the structural hole 415 and extends out to the outside; a telescopic mechanism 410 is installed on the frame of the mobile frame 402 located in the outside; a telescopic rod 411 is installed on the active end surface of the telescopic mechanism 410; the active end of the telescopic rod 411 passes through the mobile frame 402, extends out to the outside and is connected to the detection box 1;

[0024] During operation, after the production of the lead-acid battery shell is completed, in order to detect the quality of the shell, an expansion test device is required to cooperate so as to detect whether the production quality of the shell meets the production requirements; the above-mentioned battery expansion detection device is inconvenient to operate, inefficient, and has a small scope of use, and can only detect batteries of fixed sizes and models. The present application uses an auxiliary detection device to start the telescopic mechanism 410, and the telescopic rod 411 drives the mobile frame 402 to move along the sliding hole 401 to a suitable position, so that the plate body of the limit plate 405 and the The battery shell contacts, and then, during the expansion of the battery shell, the protruding position of the shell pushes the corresponding limit plate 405, and the limit plate 405 is forced to push the sliding rod 404 to move along the limit hole 403 to a suitable position, so that the spring 406 is compressed and generates a reaction force. With the cooperation of the connecting piece 409, the scale 408 moves along the through hole 407. The scale line values ​​on the scale 408 are observed, and the expansion degree of the battery shell can be accurately detected. The structure is simple and the operation is convenient, and the detection function of battery shells of different sizes is achieved.

[0025] A lifting mechanism 412 is installed at the bottom of the detection box 1; a lifting rod 413 is installed at the top of the lifting mechanism 412; the top of the lifting rod 413 passes through the bottom plate of the detection box 1 and is inserted into the interior of the detection chamber 2; a push plate 414 is fixedly connected to the top of the lifting rod 413; the lifting trajectory of the push plate 414 does not intersect with the operating trajectory of the limit plate 405; when the top of the lifting rod 413 is raised to the highest position, the horizontal plane where the top end surface of the push plate 414 is located coincides with the horizontal plane where the top end surface of the detection box 1 is located;

[0026] During operation, before the test operation is carried out, the battery housing to be tested is placed on the top of the push plate 414, and the lifting mechanism 412 is started, so that the lifting rod 413 drives the push plate 414 to move downward to the lowest position, which facilitates the smooth progress of subsequent test operations.

[0027] Working principle: After the production of the lead-acid battery shell is completed, in order to detect the quality of the shell, it is necessary to use an expansion testing device to cooperate so as to detect whether the production quality of the shell meets the production requirements; the above-mentioned battery expansion detection device is inconvenient to operate and inefficient when in use, and has a small scope of use, and can only detect batteries of fixed sizes and models. The present application uses an auxiliary detection device to place the battery shell to be tested on top of the push plate 414, and starts the lifting mechanism 412, so that the lifting rod 413 drives the push plate 414 to move downward to the lowest position, and then starts the telescopic mechanism 410, and the telescopic rod 411 drives the moving frame 402 to slide along The hole 401 moves to a suitable position so that the plate body of the limit plate 405 contacts the battery shell. Subsequently, during the expansion of the battery shell, the protruding position of the shell pushes the corresponding limit plate 405. The limit plate 405 is forced to push the sliding rod 404 to move along the limit hole 403 to a suitable position, so that the spring 406 is compressed and generates a reaction force. With the cooperation of the connecting piece 409, the scale 408 moves along the through hole 407. By observing the scale line values ​​on the scale 408, the expansion degree of the battery shell can be accurately detected. The structure is simple and the operation is convenient, and the detection function of battery shells of different sizes is achieved, thereby expanding the application range of the detection equipment.

[0028] In the description of this specification, the description with reference to the terms "one embodiment", "example", "specific example", etc. means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the utility model. In this specification, the schematic representation of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0029] The above shows and describes the basic principle, main features and advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments, and the above embodiments and descriptions are only for explaining the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, and these changes and improvements fall within the scope of the utility model to be protected.

Claims

1. A lead-acid battery shell expansion test device, comprising a detection box (1); a detection cavity (2) is provided inside the detection box (1); support blocks (3) are fixedly connected to the four corners of the bottom of the detection box (1); an auxiliary detection device is installed on the detection box (1); the characteristics are: The auxiliary detection device comprises a sliding hole (401); sliding holes (401) are provided on the four side plates of the detection box (1); a movable frame (402) is installed inside the sliding hole (401); the frame body of the movable frame (402) at one end is located inside the detection chamber (2); the frame body of the movable frame (402) located inside the detection chamber (2) is symmetrically provided with limiting holes (403); a sliding rod (404) is slidably installed inside the limiting hole (403); one end of the sliding rod (404) extends out and is fixedly connected to the limiting plate (405); a spring (406) is sleeved and installed on the outside of the cross section of the sliding rod (404); one end of the spring (406) is connected to the limiting plate (405); the other end of the spring (406) is connected to the frame body of the movable frame (402); A through hole (407) is provided on the frame of the movable frame (402) at the top of the limiting hole (403); a scale (408) is slidably installed inside the through hole (407); a connecting piece (409) is fixedly connected to one end of the sliding rod (404) away from the limiting plate (405); one end of the scale (408) extends out through the through hole (407) and is connected to the connecting piece (409).

2. A lead-acid battery shell expansion test device according to claim 1, characterized in that: Structural holes (415) are provided through the four side panels of the detection box (1) at positions close to the openings of the sliding holes (401).

3. A lead-acid battery shell expansion test device according to claim 2, characterized in that: The spring (406) does not deform when not in action; when the spring (406) is compressed to the shortest distance, the connecting piece (409) passes through the structural hole (415) and extends out to the outside.

4. A lead-acid battery shell expansion test device according to claim 3, characterized in that: The movable frame (402) is provided with a telescopic mechanism (410) on its frame body located outside; a telescopic rod (411) is provided on the active end surface of the telescopic mechanism (410); the active end of the telescopic rod (411) passes through the movable frame (402), extends out to the outside and is connected to the detection box (1).

5. A lead-acid battery shell expansion test device according to claim 4, characterized in that: A lifting mechanism (412) is installed at the bottom of the detection box (1); a lifting rod (413) is installed at the top of the lifting mechanism (412); the top end of the lifting rod (413) passes through the bottom plate of the detection box (1) and is inserted into the interior of the detection cavity (2); and a pushing plate (414) is fixedly connected to the top end of the lifting rod (413).

6. A lead-acid battery shell expansion test device according to claim 5, characterized in that: The lifting trajectory of the push plate (414) does not intersect with the operating trajectory of the limit plate (405); when the top end of the lifting rod (413) is raised to the highest position, the horizontal plane where the top end surface of the push plate (414) is located coincides with the horizontal plane where the top end surface of the detection box (1) is located.

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