Mechanical energy storage device

Abstract

According to the mechanical energy storage device provided by the utility model, the driving assembly drives the gear to rotate by utilizing scattered generating capacity, the gear pushes the nut pair and the counterweight disc to move upwards to reach the top end along with the spiral gear ring under the meshing action, and when electricity is needed, the driving of the scattered generating capacity is stopped; under the action of gravitational potential energy of the balance weight disc, the whole is driven to fall, the gear and the driving assembly rotate reversely, meanwhile, the nut pair rotates while falling, the driving assembly and the electric brush rotate along with the nut pair during rotation, the electric brush rotates to make contact with the switchboard to provide power output, and therefore the switchboard is connected into electric equipment to supply power; in this way, daily scattered residual electricity is ingeniously stored, unified output is achieved during peak electricity consumption, scattered electricity is converted into concentrated electricity, the purposes of energy conservation and emission reduction are achieved through potential energy conversion, the production cost is reduced, and gravity energy storage is environmentally friendly, high in safety degree and flexible in structural arrangement and has good application prospects.

Description

TECHNICAL FIELD

[0001] The utility model relates to energy storage power generation technical field especially a mechanical energy storage device. BACKGROUND

[0002] In the metallurgical enterprise, when meeting the peak power consumption section, excessive power consumption often causes tripping power failure and other influences, thereby causing not small influence to production line, processing efficiency.

[0003] In the prior art, there are often wind energy, photovoltaic various scattered power generation mechanisms to convert various unused energy into electricity for use, but various scattered power generation often varies in size, which is inconvenient for direct discharge use during peak power consumption, therefore, it is necessary to store various scattered power generation to discharge the stored power at one time when needed, to alleviate the peak power consumption situation.

[0004] Therefore, it is necessary to provide a mechanical energy storage device to solve or at least alleviate the above-mentioned defects. UTILITY MODEL CONTENTS

[0005] The main purpose of the utility model is to provide a mechanical energy storage device to solve the problem that various scattered power generation cannot be stored in the prior art and is inconvenient to use during peak period.

[0006] To achieve the above-mentioned purpose, the utility model provides a mechanical energy storage device, which comprises a mounting mechanism and a plurality of interval arranged energy storage units, the energy storage unit is connected to the mounting mechanism, wherein,

[0007] Each energy storage unit comprises a lead screw, a nut pair, a bearing, a counterweight disc, a power distribution panel and a plurality of driving power generation units arranged along the circumference of the nut pair, each driving power generation unit comprises a driving assembly, a gear, a connecting rod and a brush, wherein,

[0008] The vertical two ends of the lead screw are connected to the mounting mechanism, the nut pair is movably connected to the lead screw along the vertical direction and is rotatably arranged, the counterweight disc is connected to the outside of the nut pair, the bearing is connected between the counterweight disc and the nut pair, and the power distribution panel is annular and connected to the counterweight disc.

[0009] The screw rod has an outer gear ring in helical distribution, the inner recess of the nut pair is formed with an annular groove, the top of the annular groove is provided with a plurality of connecting holes arranged in a circumferential direction, the driving end of the driving assembly penetrates the connecting holes to extend into the annular groove, the gear is connected to the driving end of the driving assembly, and the gear is arranged in meshing with the outer gear ring of the screw rod, the first end of the connecting rod is connected to the driving assembly, and the electric brush is connected to the second end of the connecting rod and in contact with the switchboard.

[0010] Preferably, the nut pair is in a stepped shape.

[0011] Preferably, each of the energy storage units further comprises an inner pressure cover, which is arranged on the top of the inner ring of the bearing and is connected to the nut pair by bolts.

[0012] Preferably, each of the energy storage units further comprises an outer pressure cover, which is arranged on the top of the outer ring of the bearing and is connected to the counterweight disc by bolts.

[0013] Preferably, the number of the driving and generating units is fifteen, and the fifteen driving and generating units are arranged in a circumferential direction of the nut pair.

[0014] Preferably, the mounting mechanism comprises a base, a top plate and a plurality of vertically arranged guide rods, the guide rods are connected between the base and the top plate, the bottom end of the screw rod is embeddedly connected to the base, one side of the counterweight disc is recessed to form a clamping groove, the vertically arranged guide rods penetrate the clamping groove, and the top end of the screw rod is connected to the top plate and extends out of the top plate.

[0015] Preferably, the plurality of energy storage units are arranged in a matrix shape.

[0016] Preferably, the number of the energy storage units is twelve.

[0017] Preferably, the driving assembly is a planetary gear reduction motor.

[0018] Preferably, the length of each of the screw rods is 5m-10m.

[0019] Compared with the prior art, the utility model has the beneficial effects that:

[0020] The utility model provides a kind of mechanical energy storage device, including mounting mechanism and multiple interval arrangement energy storage unit, energy storage unit is connected on mounting mechanism, each energy storage unit includes screw rod, nut pair, bearing, counterweight disc, switchboard and multiple along the circumferential interval of nut pair arrangement drive power generation unit, each drive power generation unit includes drive assembly, gear, connecting rod and brush, the vertical both ends of screw rod are connected on mounting mechanism, nut pair is movably connected on screw rod along vertical and itself rotatably arranged, counterweight disc is connected on the outside of nut pair, bearing is connected between counterweight disc and nut pair, switchboard is annular and is connected on counterweight disc, screw rod has the external gear ring of helical distribution, the inside recess of nut pair is formed with annular groove, the top of annular groove is provided with multiple connecting holes along the circumferential interval, the drive end of drive assembly penetrates connecting hole to extend into annular groove, gear is connected on the drive end of drive assembly, and gear is engaged with the external gear ring of screw rod and is arranged, the first end of connecting rod is connected on drive assembly, brush is connected on the second end of connecting rod and is contacted with switchboard.Such as using scattered power supply drive assembly to drive gear rotation, gear is pushed up with nut pair and counterweight disc to reach top under the meshing effect of helical gear ring, when needing to use electricity, stop scattered power drive, under the action of counterweight disc gravitational potential energy, gear and drive assembly reverse, while nut pair self-rotates while descending, drive assembly and brush follow rotation when self-rotating, brush rotates and contacts switchboard to provide power output, so as to connect switchboard into electrical equipment and supply power;Such as ingeniously store daily scattered residual power, to unify output at peak power, convert scattered power into concentrated power, realize the purpose of energy saving and emission reduction through potential energy conversion, reduce production cost, and gravitational energy storage is more environmentally friendly, safe, flexible in structure arrangement, with good application prospect. BRIEF DESCRIPTION OF DRAWINGS

[0021] In order to more clearly illustrate the technical scheme in the embodiments of the utility model or prior art, the following will briefly introduce the drawings needed to be used in embodiment or prior art description, obviously, the drawings in the following description are only some embodiments of the utility model, and for those skilled in the art, other drawings can be obtained from the structure shown in these drawings without creating labor.

[0022] Figure 1 It is the three-dimensional schematic view of the energy storage unit in one embodiment of the utility model;

[0023] Figure 2 It is the side schematic view of the energy storage unit in one embodiment of the utility model;

[0024] Figure 3 It is the plane schematic view of the energy storage unit in one embodiment of the utility model;

[0025] Figure 4 It is the three-dimensional schematic view of the integral device in one embodiment of the utility model;

[0026] Figure 5 It is the cross section schematic view of the energy storage unit in one embodiment of the utility model;

[0027] Figure 6 It is the three-dimensional schematic view of the driving and power generation unit in one embodiment of the utility model.

[0028] The utility model realizes, function characteristics and advantages will combine embodiment, with reference to the further description of attached drawing.

[0029] Explanation of attached drawing:

[0030] 10, energy storage unit;110, screw rod;120, nut pair;121, annular groove;130, bearing;140, counterweight disc;141, clamping groove;150, switchboard;160, driving and power generation unit;161, driving assembly;162, gear;163, connecting rod;164, brush;170, inner pressure cover;180, outer pressure cover;20, mounting mechanism;210, base;220, top plate;230, vertical guide rod. Specific implementation

[0031] It should be understood that the specific embodiments described here are only used to explain the utility model, and are not used to limit the utility model.

[0032] The technical scheme in the embodiments of the utility model will be described clearly and completely in combination with the attached drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor belong to the protection scope of the utility model.

[0033] It should be noted that all directionality indications (such as up, down, left, right, front, back...) in the embodiments of the utility model are only used to explain the relative position relationship, movement condition and the like between components in a certain specific posture (as shown in the attached drawings), if the specific posture changes, then the directionality indications also change accordingly.

[0034] In addition, the description of "first", "second" and the like in the present application is only for the purpose of description and cannot be understood as indicating or implying the relative importance of the technical features or implying the number of the technical features indicated. Therefore, the features limited by "first" and "second" can explicitly or implicitly include at least one of the features. In addition, the technical solutions of various embodiments can be combined with each other, but it must be based on the realization of ordinary skilled in the art, when the combination of technical solutions appears contradictory or unachievable, it should be considered that the combination of technical solutions does not exist, and is not within the protection scope required by the present application.

[0035] Please refer to the accompanying Figures 1-6 The present application provides a mechanical energy storage device in one embodiment, comprising a mounting mechanism 20 and a plurality of spaced energy storage units 10, the energy storage unit 10 is connected to the mounting mechanism 20. First of all, it needs to be pointed out that, unlike the existing technology often has wind energy, photovoltaic various scattered power generation mechanism, in order to convert various unused energy into electricity for use, but the various scattered power generation often varies in size, not convenient for direct discharge use in peak power consumption. The present application provides a mechanical energy storage device to solve the above problems in the prior art, as follows:

[0036] Each of the energy storage unit 10 comprises a screw rod 110, a nut pair 120, a bearing 130, a counterweight disc 140, a power distribution disc 150 and a plurality of driving power generation units 160 arranged along the circumference of the nut pair 120, each of the driving power generation unit 160 comprises a driving assembly 161, a gear 162, a connecting rod 163 and an electric brush 164; wherein the vertical two ends of the screw rod 110 are connected to the mounting mechanism 20, the nut pair 120 is movably connected to the screw rod 110 along the vertical direction and is rotatably arranged, the counterweight disc 140 is connected to the outside of the nut pair 120, the bearing 130 is connected between the counterweight disc 140 and the nut pair 120, and the power distribution disc 150 is annular and connected to the counterweight disc 140; the screw rod 110 has a helical outer gear ring, the inner part of the nut pair 120 is recessed to form an annular groove 121, a plurality of connecting holes are arranged along the circumference at the top of the annular groove 121, the driving end of the driving assembly 161 penetrates the connecting hole to extend into the annular groove 121, the gear 162 is connected to the driving end of the driving assembly 161, and the gear 162 is arranged in mesh with the outer gear ring of the screw rod 110, the first end of the connecting rod 163 is connected to the driving assembly 161, and the electric brush 164 is connected to the second end of the connecting rod 163 and contacts with the power distribution disc 150.

[0037] Specifically, the mechanical energy storage device in the present application comprises a mounting mechanism 20 for mounting a plurality of energy storage units 10, and a plurality of energy storage units 10 are arranged to store energy at the same time to store more electricity; each of the energy storage units 10 comprises a lead screw 110, a nut pair 120, a bearing 130, a counterweight disc 140, a power distribution disc 150, and a plurality of driving power generation units 160 arranged along the circumference of the nut pair 120, the lead screw 110 is used for mounting and connecting each accessory, so that the nut pair 120 is connected to the lead screw 110, since the lead screw 110 is stationary, so the nut pair 120 is movably arranged vertically, cooperates with the bearing 130, to form a structure similar to the ball screw 110, stores gravitational potential energy after driving to the top, and generates electricity when needed by the weight of the counterweight to drive the whole downward and cooperate with the driving power generation unit 160 to generate electricity.

[0038] Each of the driving power generation units 160 comprises a driving assembly 161, a gear 162, a connecting rod 163 and a brush 164, the gear 162 is arranged in meshing with the external gear ring of the lead screw 110, is installed in the annular groove 121 on the inner side of the nut pair 120, the driving assembly 161 is used to drive the gear 162 to rotate, the sum of the output torques of a plurality of gears 162 can drive the nut pair 120 to rotate, the power source of the driving assembly 161 is scattered, such as wind energy, photovoltaic power generation and the like, when the scattered power value reaches the requirement, the gear 162 can be driven to rotate, the sum of the torques drives the nut pair 120 to rotate upwards and move, so as to store the gravitational potential energy; after reaching the top of the lead screw 110, the driving force of the electric energy and the gravity reach the balance state to keep still, the excess electric quantity can be used as other small equipment; during the peak power consumption, the scattered electric energy output is closed, at this time, under the weight of the counterweight disc 140, since the external gear ring of the lead screw 110 is different from the ordinary external thread and does not have self-locking ability, the whole falls downwards, the gear 162 reverses and the nut pair 120 also reverses, each driving assembly 161 on the nut pair 120 also rotates, and the connecting rod 163 and the brush 164 on the driving assembly 161 rotate, while the counterweight disc 140 is relatively static, so that the power distribution box 150 on the counterweight disc 140 is also static, the brush 164 transmits current by rotating under the contact with the static power distribution box 150, and the power distribution box 150 is used to be connected with the equipment to be used, at this time, the electric quantity drives the brush 164 to rotate through the gravitational potential energy, the electric quantity is transmitted to the equipment to be used through the power distribution box 150 after being generated, and the purpose of power utilization is achieved; a plurality of power distribution boxes 150 can be connected through wires to realize current collection, so that the purpose of unified output of a large amount of electric quantity is achieved; preferably, the driving assembly 161 can adopt a planetary gear 162 reduction motor, which has the advantages of high transmission efficiency, high precision, compact structure and the like.

[0039] As a preferred embodiment of the utility model, the nut pair 120 is in a ladder shape.

[0040] It should be noted that the ladder shape facilitates the installation of the counterweight disc 140, so that the installation is more stable, and the ladder-shaped distribution can facilitate the arrangement of the bearing 130 in the upper ladder segment, so as to be arranged between the counterweight disc 140 and the nut pair 120.

[0041] As a more preferred embodiment of the utility model, each of the energy storage units 10 further comprises an inner pressure cover 170, the inner pressure cover 170 is pressed on the top of the inner ring of the bearing 130 and is connected to the nut pair 120 through bolts.

[0042] It should be noted that the inner pressure cover 170 is used to reinforce the connection of the bearing 130, which is pressed against the inner ring of the bearing 130, and is bolted to the nut pair 120.

[0043] As a preferred embodiment of the utility model, each energy storage unit 10 further comprises an outer pressure cover 180, which is arranged on the top of the outer ring of the bearing 130 and is bolted to the counterweight disc 140.

[0044] It should be noted that, similar to the inner pressure cover 170, the outer pressure cover 180 is also used to reinforce the connection of the bearing 130, which is pressed against the outer ring of the bearing 130, and is bolted to the counterweight disc 140. The connection of the inner pressure cover 170 and the outer pressure cover 180 can be referred to the drawings shown in the specification. Figure 5

[0045] As a preferred embodiment of the utility model, the number of the drive power generation units 160 is fifteen, and the fifteen drive power generation units 160 are arranged along the circumference of the nut pair 120.

[0046] It should be noted that the more the number of the drive power generation units 160, the greater the sum of the torque, and the easier the drive nut pair 120 moves upward. The specific number needs to be selected according to the size of the nut pair 120. Preferably, the number of the drive power generation units 160 is fifteen, and the number can be set according to the actual situation by those skilled in the art.

[0047] Further, the mounting mechanism 20 comprises a base 210, a top plate 220, and a plurality of vertically arranged guide rods 230. The guide rods are connected between the base 210 and the top plate 220. The bottom end of the lead screw 110 is embeddedly connected to the base 210. One side of the counterweight disc 140 is recessed to form a clamping groove 141. The vertically arranged guide rods 230 penetrate the clamping groove 141. The top end of the lead screw 110 is connected to the top plate 220 and extends out of the top plate 220.

[0048] It should be noted that the base and the top plate 220 are used for mounting and fixing the lead screw 110. The vertically arranged guide rods 230 are used to further strengthen the connection rigidity and integrity between the base 210 and the top plate 220. At the same time, by cooperating with the clamping groove 141 of the counterweight disc 140, the rotation of the counterweight disc 140 is limited, so as to achieve the condition that the counterweight disc 140 is stationary when the brush 164 rotates. In addition, the vertically arranged guide rods 230 can also be used to install the electrical drag chain on the switchboard 150.

[0049] Further, a plurality of energy storage units 10 are arranged in a matrix.​

[0050] It should be understood that a matrix-like distribution facilitates structural allocation, installation, and occupies less space. Other shapes, such as a circular distribution, can also be used. Those skilled in the art can choose according to the actual situation.

[0051] Furthermore, the number of energy storage units 10 is twelve.

[0052] It should be noted that the more energy storage units 10 there are, the greater the amount of electricity stored in a single device. This application adopts a matrix-like distributed structure, which can be arranged in a three-row, four-column configuration to form twelve energy storage units 10. The specific number can be set by those skilled in the art according to specific needs. Please refer to the appendix for details. Figure 4 It is worth mentioning that, to ensure the clarity of the diagram, an appendix is ​​attached. Figure 4 The external gear ring of the lead screw 110 is omitted from the overall view of the device.

[0053] Furthermore, the length of each lead screw 110 is 5m to 10m.

[0054] It is understood that the length of the lead screw 110 determines the amount of gravitational potential energy stored. However, if the length is too large, considering the large space occupied in height, in this preferred embodiment, the length of each lead screw 110 can be set to 5m to 10m. Those skilled in the art can select according to their needs.

[0055] The above are merely preferred embodiments of this utility model and do not limit the patent scope of this utility model. Any equivalent structural or procedural transformations made based on the description and drawings of this utility model, or direct or indirect applications in other related technical fields, are similarly included within the patent protection scope of this utility model.

Claims

1. A mechanical energy storage device, characterized in that, It includes an installation mechanism and multiple spaced energy storage units, the energy storage units being connected to the installation mechanism; wherein, Each of the energy storage units includes a lead screw, a nut assembly, a bearing, a counterweight plate, a distribution plate, and multiple drive power generation units arranged circumferentially along the nut assembly. Each drive power generation unit includes a drive assembly, a gear, a connecting rod, and a brush. The vertical ends of the lead screw are connected to the mounting mechanism. The nut pair is vertically movably connected to the lead screw and is rotatably mounted. The counterweight plate is connected to the outside of the nut pair. The bearing is connected between the counterweight plate and the nut pair. The distribution plate is ring-shaped and connected to the counterweight plate. The lead screw has an external gear ring distributed in a spiral shape. The nut assembly has an annular groove formed by an internal recess. The top of the annular groove has a plurality of connecting holes arranged circumferentially. The driving end of the drive assembly passes through the connecting holes and extends into the annular groove. The gear is connected to the driving end of the drive assembly and meshes with the external gear ring of the lead screw. The first end of the connecting rod is connected to the drive assembly. The brush is connected to the second end of the connecting rod and contacts the distribution panel.

2. The mechanical energy storage device according to claim 1, characterized in that, The nut assembly is stepped.

3. The mechanical energy storage device according to claim 2, characterized in that, Each of the energy storage units also includes an inner pressure cover, which is pressed onto the top of the inner ring of the bearing and connected to the nut assembly by bolts.

4. The mechanical energy storage device according to claim 3, characterized in that, Each of the energy storage units also includes an outer pressure cover, which is pressed onto the top of the outer ring of the bearing and connected to the counterweight plate by bolts.

5. The mechanical energy storage device according to claim 1, characterized in that, The number of drive power generation units is fifteen, and the fifteen drive power generation units are arranged at intervals along the circumference of the nut pair.

6. The mechanical energy storage device according to claim 1, characterized in that, The installation mechanism includes a base, a top plate, and a plurality of spaced vertical guide rods. The guide rods are connected between the base and the top plate. The bottom end of the lead screw is embedded in the base. A groove is recessed on one side of the counterweight plate. The vertical guide rod passes through the groove. The top end of the lead screw is connected to the top plate and extends out of the top plate.

7. The mechanical energy storage device according to claim 6, characterized in that, The energy storage units are arranged in a matrix.

8. The mechanical energy storage device according to claim 7, characterized in that, The number of energy storage units is twelve.

9. The mechanical energy storage device according to claim 1, characterized in that, The drive component is a planetary gear reducer motor.

10. The mechanical energy storage device according to claim 1, characterized in that, Each of the aforementioned lead screws has a length of 5m to 10m.

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