Device for detecting drawing tension of pole group

Abstract

The utility model discloses a device for detecting drawing tension of a pole group. The device comprises a bracket and a lifting hook mechanism, during working, the hook is used for hooking a busbar of a pole group, and the lifting hook is connected with a tension meter to detect the pulling force of the pole group pulled out of a battery jar. The device for detecting the drawing pulling force of the pole group can detect the assembly pressure after the pole group enters a groove, and can judge and make corresponding adjustments according to specific numerical values aiming at over-loose and over-tight assembly pressure, so that the phenomena of poor battery performance and poor vibration resistance caused by over-loose assembly pressure or high rejection rate, excessive production waste and the like caused by over-tight assembly pressure are avoided, and the production efficiency is improved. The device has great significance in improving the quality of the storage battery, reduces the labor intensity of workers, and improves the production process.

Description

Technical Field

[0001] The utility model belongs to the technical field of lead-acid batteries, and in particular relates to a device for detecting the pulling force of a pole group. Background Art

[0002] At present, the road conditions of lead-acid batteries are becoming clearer, and the performance requirements of batteries are becoming more stringent. The size of the pole group assembly pressure is also one of the important factors for performance. If the pole group assembly pressure is small, the battery has poor vibration resistance, the CCA value (Cold Cranking Ampere) is low, the battery discharge is poor, the internal resistance is high, and the customer experience is not good; if the pole group assembly pressure is large, the scrap rate of the battery is high. Therefore, the appropriate pole group pressure is extremely important for the battery.

[0003] At present, the electrode group assembly pressure test is generally to press the electrode group to a set thickness before assembly into the groove, and detect the pressure required at this time, which is used as the size of the electrode group assembly pressure in turn.

[0004] For example, the utility model with authorization announcement number CN211042544U discloses a battery pole group pressure detection device, including a pole group placement plate, a pressure sensor arranged above the pole group placement plate, a mounting plate for mounting the pressure sensor, and a cylinder for driving the mounting plate to rise and fall, the pressure sensor including multiple ones for detecting different positions of the pole group.

[0005] However, the above simulation method cannot fully reflect the assembly pressure situation after the pole group is assembled into the groove.

[0006] As for the actual pressure of the pole group after it is assembled into the slot, the current battery manufacturers mainly rely on manual testing for the pole group pressure, that is, after the pole group is put into the slot, it is manually pulled out or quickly tilted and inverted, and the tightness is judged by experience and feeling, which cannot effectively quantify the data. When producing different models of batteries, or different batches of separators and plates, whether the pole group pressure changes, how much the change is, and how much impact it has on battery performance, the pole group pressure data cannot be collected or documented. Utility Model Content

[0007] The utility model aims at the above-mentioned deficiencies in the prior art and provides a device for detecting the pulling force of a pole group.

[0008] A device for detecting the pulling force of a pole group, comprising:

[0009] The bracket comprises two slide seats located on opposite sides, each of the two slide seats is provided with a linear slide rail, and the linear slide rails on the two slide seats are arranged parallel to each other; the bracket also comprises a horizontally placed cross plate, the cross plate is arranged across the two slide seats, and both ends of the cross plate are provided with a slider matched with the slide seat;

[0010] The hook mechanism comprises a hanging plate, a hanging hook arranged on the hanging plate, and a hanging rope arranged under the hanging plate, wherein the end of the hanging rope has a hook, a through hole is arranged on the horizontal plate, the size of the hanging plate is larger than the through hole, and the hanging rope passes through the through hole;

[0011] During operation, a hook is used to hook the busbar of the pole group, and the hook is connected to a tensile force meter to detect the tensile force of the pole group pulled out of the battery slot.

[0012] Preferably, each slide seat has a supporting foot at both ends of its bottom surface.

[0013] More preferably, the supporting foot includes a base and an upper mounting seat arranged on the lower surface of the sliding seat, the top surface of the base is provided with a lower threaded hole, the bottom surface of the upper mounting seat is provided with an upper threaded hole, and the supporting foot also includes a lead screw with two ends respectively extending into the upper threaded hole and the lower threaded hole, and the external threads at both ends of the lead screw respectively cooperate with the internal threads of the upper threaded hole and the lower threaded hole.

[0014] Preferably, the through hole on the horizontal plate is a countersunk hole, the upper part of the countersunk hole is a receiving groove for receiving the hanging plate, and the bottom surface of the receiving groove is provided with the through hole.

[0015] Preferably, both ends of the slide seat are provided with limit blocks for preventing the slider from falling off the slide seat.

[0016] Preferably, there are four suspension ropes in total, and each two ropes form a group, the hooks on the two suspension ropes in the same group face one side, and the hooks on the suspension ropes in different groups face away from each other.

[0017] More preferably, two suspension ropes close to the same sliding seat are grouped together.

[0018] The utility model discloses a device for detecting the pulling force of the pole group drawing, which can detect the assembly pressure after the pole group is put into the slot. For the assembly pressure that is too loose or too tight, the utility model can judge and make corresponding adjustments through specific values, so as to avoid the phenomenon that the battery performance is poor and the vibration resistance is poor or the scrap rate is high and the production is excessively wasted due to the too loose assembly, which has a great significance for improving the quality of the battery, reducing the labor intensity of the workers and improving the production process. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a three-dimensional structural schematic diagram of the device of the utility model.

[0020] Figure 2 It is a side structural schematic diagram of the device of the utility model.

[0021] Figure 3 It is a structural diagram of the hook mechanism.

[0022] Reference numerals: bracket 1, slide seat 11, linear slide rail 12, cross plate 13, slider 14, base 15, upper mounting seat 16, lead screw 17, limit block 18,

[0023] Hook mechanism 2, hanging plate 21, hook 22, hanging rope 23, hook 24. DETAILED DESCRIPTION

[0024] like Figures 1 to 3 As shown, a device for detecting the pulling force of a pole group includes a bracket 1 and a hook mechanism 2 arranged on the bracket 1.

[0025] The bracket 1 includes two slides 11 located on opposite sides, each of which is provided with a linear slide rail 12, and the linear slide rails 12 on the two slides 11 are arranged parallel to each other. The bracket 1 also includes a horizontally placed cross plate 13, which is arranged across the two slides 11, and a slider 14 matching the slide 11 is provided at each end of the cross plate 13.

[0026] The arrangement of the slider 14 and the linear slide rail 12 on the slide seat 11 enables adjustment for different housings and different pole group positions during use. Both ends of the cross plate 13 are arranged on the sliders 14 on the two slide seats 11 to ensure the stability of the pole group when it is pulled out.

[0027] Each of the two ends of the bottom surface of each slide 11 is provided with a support foot. The support foot includes a base 15 and an upper mounting seat 16 provided on the lower surface of the slide 15, the top surface of the base 15 is provided with a lower threaded hole, the bottom surface of the upper mounting seat 16 is provided with an upper threaded hole, and the support foot also includes a lead screw 17 with two ends extending into the upper threaded hole and the lower threaded hole respectively, and the external threads at the two ends of the lead screw 17 are respectively matched with the internal threads of the upper threaded hole and the lower threaded hole.

[0028] The base 15 can provide stable support. Through the screw 17 and the matching design with the base 15 and the upper mounting seat 16, the height of the support foot can be adjusted by rotating the screw 17, and each support foot can be adjusted separately.

[0029] Limiting blocks 18 are provided at both ends of the slide 11 to prevent the slide 14 from falling off the slide 11. Figure 1 As shown in , each slide seat 11 is provided with a stop block 18 at both ends of the linear slide rail 12 to prevent the slider 14 from falling out of the linear slide rail 12. The stop block 18 is preferably detachably mounted and fixed to the linear slide rail 12, for example, by bolts, so as to facilitate the installation of the slider 14 on the linear slide rail 12.

[0030] The hook mechanism 2 includes a hanging plate 21 , a hanging hook 22 disposed on the hanging plate 21 , and a hanging rope 23 disposed under the hanging plate 21 . The end of the hanging rope 23 has a hook 24 .

[0031] The horizontal plate 13 is provided with a through hole, which is located at the center of the horizontal plate 13. The size of the hanging plate 21 is larger than the through hole on the horizontal plate 13, and the hanging rope 23 passes through the through hole. In a preferred embodiment, the through hole on the horizontal plate 13 is a countersunk hole, and the upper part of the countersunk hole is a receiving groove for receiving the hanging plate 21, and the bottom surface of the receiving groove is provided with the through hole.

[0032] There are four hanging ropes 23, and each two of them form a group. The hooks 24 on the two hanging ropes 23 in the same group face one side, and the hooks 24 on the hanging ropes 23 in different groups face the side away from each other. The two hanging ropes 23 close to the same slide 11 are grouped together. When in use, the hooks 24 are connected to the bus inside the battery slot of the lead-acid battery to be tested. The two hooks 24 on the two hanging ropes 23 in the same group correspond to the same bus, and it is best to hook them in symmetrical positions when in use, and the hooks 24 on the hanging ropes 23 in different groups correspond to different buses in the same pole group, so that four hooks 24 can hook the positive and negative buses in one pole group, and each bus corresponds to two hooks 24, which disperses the force, and can make the force more symmetrical, so that the resultant force received by the pole group is in the vertical direction as much as possible.

[0033] When in use, place the lead-acid battery to be tested under the horizontal plate 13, use the hook 24 to hook the bus of the pole group, and the hook 22 is connected to the tensile meter. When the tensile meter moves upward, the hanging plate 21 moves with it, and the hanging rope 23 is tightened to pull the pole group out of the battery slot. The tension of pulling the pole group out of the battery slot is detected by the tensile meter.

Claims

1. A device for detecting the pulling force of a pole group, characterized in that: include: The bracket comprises two slide seats located on opposite sides, each of the two slide seats is provided with a linear slide rail, and the linear slide rails on the two slide seats are arranged parallel to each other; the bracket also comprises a horizontally placed cross plate, the cross plate is arranged across the two slide seats, and both ends of the cross plate are provided with a slider matched with the slide seat; The hook mechanism comprises a hanging plate, a hanging hook arranged on the hanging plate, and a hanging rope arranged under the hanging plate, wherein the end of the hanging rope has a hook, a through hole is arranged on the horizontal plate, the size of the hanging plate is larger than the through hole, and the hanging rope passes through the through hole; During operation, a hook is used to hook the busbar of the pole group, and the hook is connected to a tensile force meter to detect the tensile force of the pole group pulled out of the battery slot.

2. The device for detecting the pulling force of the pole group according to claim 1, characterized in that: A supporting foot is respectively provided at both ends of the bottom surface of each slide seat.

3. The device for detecting the pole group pull-out force according to claim 2, characterized in that: The supporting foot includes a base and an upper mounting seat arranged on the lower surface of the sliding seat, the top surface of the base is provided with a lower threaded hole, the bottom surface of the upper mounting seat is provided with an upper threaded hole, and the supporting foot also includes a lead screw with two ends extending into the upper threaded hole and the lower threaded hole respectively, and the external threads at both ends of the lead screw are respectively matched with the internal threads of the upper threaded hole and the lower threaded hole.

4. The device for detecting the pulling force of the pole group according to claim 1, characterized in that: The through hole on the horizontal plate is a countersunk hole, the upper part of the countersunk hole is a receiving groove for receiving the hanging plate, and the bottom surface of the receiving groove is provided with the through hole.

5. The device for detecting the pole group pull-out force according to claim 1, characterized in that: Limiting blocks for preventing the sliding block from falling off the sliding seat are arranged at both ends of the sliding seat.

6. The device for detecting the pole group pull-out force according to claim 1, characterized in that: There are four hanging ropes in total, and every two of them form a group. The hooks on the two hanging ropes in the same group face one side, and the hooks on the hanging ropes in different groups face away from each other.

7. The device for detecting the pulling force of the pole group according to claim 6, characterized in that: Two lifting ropes close to the same slide are grouped together.

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