CN202851861U - Power device for driving mechanical devices to rotate and power system with power device - Google Patents
Power device for driving mechanical devices to rotate and power system with power device Download PDFInfo
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- CN202851861U CN202851861U CN 201220445288 CN201220445288U CN202851861U CN 202851861 U CN202851861 U CN 202851861U CN 201220445288 CN201220445288 CN 201220445288 CN 201220445288 U CN201220445288 U CN 201220445288U CN 202851861 U CN202851861 U CN 202851861U
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- axle
- tooth bar
- power plant
- ratchet
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Abstract
The utility model discloses a power device for driving mechanical devices to rotate. The power device comprises a mounting support, racks, a first shaft, a second shaft and a drive assembly. The racks extend along the front-back direction and move front and back relative to the mounting support, and the first shaft is arranged on the mounting support in a rotatable mode. A first gear and a second gear are respectively arranged on the first shaft and are connected with the first shaft in a rigid mode, and the first gear is matched with the second gear. The second shaft is arranged on the mounting support in a rotatable mode, and provided with a ratchet driven wheel, a third gear and a ratchet driving wheel. The ratchet driven wheel is connected with the second shaft in a rigid mode, the third gear is sleeved on the second shaft in an empty mode, and the ratchet driving wheel is connected with the third gear. The third gear is meshed with the second gear, and the ratchet driven wheel is matched with the ratchet driving wheel. The drive assembly is connected with the racks to drive the racks to move front and back. The power device is high in transmission efficiency, compact and reasonable in structure, and capable of outputting large torque force. The utility model further discloses a power system.
Description
Technical field
The utility model relates to engineering machinery field, especially a kind of power plant that rotate for driving device equipment and have its power system.
Background technique
In mine operation, the main equipments such as ball milling commonly used need to provide larger torsion by external device during ball milling work, tradition provides the external device complex structure of torsion, transmission efficiency is low, and the torsion that can provide is limited, can not well satisfy the job requirement of ball milling.
The model utility content
The utility model is intended to solve at least one of technical problem that exists in the prior art.
For this reason, a purpose of the present utility model is to propose a kind of power plant for the rotation of driving device equipment, and described power plant compact structure is simple, and can externally export larger torsion.
Another purpose of the present utility model is to propose a kind of power system that driving device equipment rotates that is used for above-mentioned power plant, and described power system is cascaded a plurality of power plant with the larger torsion of external output.
The power plant that driving device equipment rotates that are used for according to the utility model first aspect comprise: mounting bracket; Tooth bar, described tooth bar can move forward and backward along the fore-and-aft direction extension and with respect to described mounting bracket; The first axle, described the first axle is located on the described mounting bracket rotationally, described the first axle is provided with respectively first gear and second gear rigidly connected with described the first axle, and wherein said the first gear cooperates that with described tooth bar seesawing of described tooth bar is converted to rotatablely moving of described the first gear; The second axle, described the second axle is located on the described mounting bracket rotationally, described the second axle is provided with ratchet follower and empty set three gear on described second axle and the ratchet driving wheel that with described three gear link to each other rigidly connected with described the second axle, wherein said the 3rd gear and the engagement of described the second gear, described ratchet follower cooperates with described ratchet driving wheel; And driven unit, described driven unit links to each other to drive described tooth bar with described tooth bar and moves forward and backward.
According to the power plant for the rotation of driving device equipment of the present utility model, can drive main equipment and rotate, for providing it, main equipment rotates required torsion, and power plant transmission efficiency of the present utility model is high, and structure is compact, reasonable, convenient for production, long service life, cost is low.
In addition, according to the power plant for the rotation of driving device equipment of the present utility model, can also have following additional technical feature:
In an embodiment of the present utility model, described the first axle, described the first gear and described the second gear are integrally welded.Thus, the production and processing of convenient the first axle, the first gear and the second gear improves the assembling intensity between the first axle, the first gear and the second gear, when power plant are worked, the first axle, the first gear and the second gear can bear larger torsion, and not fragile.
In an embodiment of the present utility model, described the 3rd gear and described ratchet driving wheel are integrally welded.Thus, the production and processing of convenient the 3rd gear and ratchet driving wheel reduces production costs, and improves simultaneously the assembling intensity between the 3rd gear and the ratchet driving wheel.
In an embodiment of the present utility model, described ratchet follower and described the second axle are integrally welded.Thus, make things convenient for the production and processing of ratchet follower and the second axle, improve the assembling intensity between ratchet follower and the second axle, make it can transmit larger torsion.
In an embodiment of the present utility model, described power plant also comprise: the tooth bar restraining groove, described tooth bar restraining groove is located at and is used on the described mounting bracket limiting the degrees of freedom of described tooth bar on left and right directions, and wherein said tooth bar can be engaged in the described tooth bar restraining groove movably forward and backward.The tooth bar restraining groove is set prevents the tooth bar move left and right, improve the accuracy of mesh of tooth bar and the first gear, improve transmission efficiency.
In an embodiment of the present utility model, the bottom of described tooth bar is provided with a plurality of pressure rolling bearings that are spaced apart from each other at fore-and-aft direction.Thus, the friction when effectively reducing tooth bar and moving forward and backward, the working life of improving tooth bar.
In an embodiment of the present utility model, described driven unit comprises hydraulic driving oil cylinder, and the cylinder rod of described hydraulic driving oil cylinder links to each other to drive described tooth bar with described tooth bar and moves forward and backward.
The power system that driving device equipment rotates that is used for according to the utility model second aspect, comprise: a plurality of power plant that driving device equipment rotates that are used for according to the above-mentioned first aspect of the utility model, described a plurality of power plant axially are arranged side by side described the second axle; And a plurality of transmitting assembliess, each described transmitting assemblies is located between adjacent two power plant and respectively and links to each other with the second axle of adjacent two power plant.
In an embodiment of the present utility model, described transmitting assemblies comprises universal joint.
In an embodiment of the present utility model, described universal joint is cardan universal joint.
Because when a plurality of power plant were arranged side by side, the axis of the second axle of adjacent two power plant may have certain angle, by universal joint is set, can guarantee that a plurality of power plant transmit efficient and the reliability of torsion, reduce transmission loss.
Power system according to the utility model embodiment, by a plurality of power plant are cascaded, the power that a plurality of power plant are exported can concentrate on second axle and as outlet terminal and link to each other with heavy mechanical equipment, greatly improve the size of external outputting torsion, satisfied the requirement of the required acrotorque of different machinery.
Additional aspect of the present utility model and advantage in the following description part provide, and part will become obviously from the following description, or recognize by practice of the present utility model.
Description of drawings
Above-mentioned and/or additional aspect of the present utility model and advantage are from obviously and easily understanding becoming embodiment's the description in conjunction with following accompanying drawing, wherein:
Fig. 1 is the schematic representation according to the utility model embodiment's power plant;
Fig. 2 is the schematic top plan view of tooth bar and tooth bar restraining groove;
Fig. 3 is that the master of tooth bar and tooth bar restraining groove looks schematic representation;
Fig. 4 is the schematic representation of the second axle, the 3rd gear, ratchet driving wheel and ratchet follower according to the utility model embodiment; And
Fig. 5 is the schematic representation according to the utility model embodiment's power system.
Embodiment
The below describes embodiment of the present utility model in detail, and described embodiment's example is shown in the drawings, and wherein identical or similar label represents identical or similar element or the element with identical or similar functions from start to finish.Be exemplary below by the embodiment who is described with reference to the drawings, be intended to for explaining the utility model, and can not be interpreted as restriction of the present utility model.
In description of the present utility model, it will be appreciated that, term " " center "; " vertically "; " laterally "; " length "; " width "; " thickness ", " on ", D score, " front ", " afterwards ", " left side ", " right side ", " vertically ", " level ", " top ", " end " " interior ", " outward ", " clockwise ", orientation or the position relationship of indications such as " counterclockwise " are based on orientation shown in the drawings or position relationship, only be for convenience of description the utility model and simplified characterization, rather than device or the element of indication or hint indication must have specific orientation, with specific orientation structure and operation, therefore can not be interpreted as restriction of the present utility model.
In addition, term " first ", " second " only are used for describing purpose, and can not be interpreted as indication or hint relative importance or the implicit quantity that indicates indicated technical characteristics.Thus, one or more these features can be expressed or impliedly be comprised to the feature that is limited with " first ", " second ".In description of the present utility model, the implication of " a plurality of " is two or more, unless clear and definite concrete restriction is arranged in addition.
In the utility model, unless clear and definite regulation and restriction are arranged in addition, broad understanding should be done in the terms such as term " installation ", " linking to each other ", " connection ", " fixing ", for example, can be to be fixedly connected with, and also can be to removably connect, or connect integratedly; Can be mechanical connection, also can be to be electrically connected; Can be directly to link to each other, also can indirectly link to each other by intermediary, can be the connection of two element internals.For the ordinary skill in the art, can understand as the case may be the concrete meaning of above-mentioned term in the utility model.
In the utility model, unless clear and definite regulation and restriction are arranged in addition, First Characteristic Second Characteristic it " on " or D score can comprise that the first and second features directly contact, can comprise that also the first and second features are not directly contacts but by the other feature contact between them.And, First Characteristic Second Characteristic " on ", " top " and " above " comprise First Characteristic directly over Second Characteristic and oblique upper, or only represent that the First Characteristic level height is higher than Second Characteristic.First Characteristic Second Characteristic " under ", " below " and " below " comprise First Characteristic under the Second Characteristic and tiltedly, or only represent that the First Characteristic level height is less than Second Characteristic.
Below with reference to be used for the power plant 100 that driving device equipment rotate of Fig. 1-Fig. 4 description according to the utility model embodiment, particularly, power plant 100 can be used for driving the heavy mechanical equipment that some need to rotate, and for example drive the ball-grinding machine that is used for the mine.
The power plant 100 that driving device equipment rotates that are used for according to the utility model embodiment comprise mounting bracket 1, tooth bar 2, the first axle 3, the second axle 4 and driven unit.
As depicted in figs. 1 and 2, tooth bar 2 can move forward and backward along the fore-and-aft direction extension and with respect to mounting bracket 1, in other words, the straight tooth bar that extends before and after tooth bar 2 is formed with, tooth bar 2 can move forward or backward with respect to mounting bracket 1.The first axle 3 is located on the mounting bracket 1 rotationally, namely the first axle 3 is rotatably supported on the mounting bracket 1, the first axle 3 is provided with respectively first gear 31 and second gear 32 rigidly connected with the first axle 3, wherein the first gear 31 cooperates that with tooth bar 2 seesawing of tooth bar 2 is converted to rotatablely moving of the first gear 31, specifically, tooth bar 2 cooperates with the first gear 31, tooth bar 2 moves forward and backward meeting driving the first gear 31 clockwise or rotates counterclockwise, the first gear 31 and the second gear 32 are rigidly connected with the first axle 3 respectively, and the first gear 31 clockwise rotates or rotates counterclockwise and then realize the first axle 3 and the second gear 32 clockwise or rotates counterclockwise thus.
As shown in Figure 4, the second axle 4 is located on the mounting bracket 1 rotationally, namely the second axle 4 is rotatably supported on the mounting bracket 1, the second axle 4 is provided with ratchet follower 41 and three gear 42 of empty set on the second axle 4 and the ratchet driving wheel 43 that links to each other with the 3rd gear 42 that links to each other with the second axle 4, wherein the 3rd gear 42 and 32 engagements of the second gear, ratchet follower 41 cooperates with ratchet driving wheel 43.
Particularly, as shown in Figure 4, ratchet follower 41 and the second axle 4 are rigidly connected, the 3rd gear 42 and ratchet driving wheel 43 empty sets are on the second axle 4, namely not direct transferring power between the 3rd gear 42, ratchet driving wheel 43 and the second axle 4 preferably, can be provided with rolling bearing to reduce the friction between the second gear 42 and the second axle 4 between the 3rd gear 42 and the second axle 4, improve transmission efficiency, reduce the transmission energy loss.As shown in Figure 1, ratchet driving wheel 43 can be located at the axial end of the 3rd gear 42.Wherein the 3rd gear 42 and 32 engagements of the second gear are with transferring power, ratchet follower 41 cooperates with ratchet driving wheel 43, particularly, the outer circumferential face of the wheel body of ratchet driving wheel 43 is provided with ratchet, be provided with the ratchet slot that cooperates with ratchet on the inner peripheral surface of ratchet follower 41, ratchet follower 41 is located at the circumferential outside of ratchet driving wheel 43, when ratchet driving wheel 43 for example rotates along the pointer direction along a direction with respect to ratchet follower 41, ratchet driving wheel 43 can cooperate with ratchet follower 41, this moment, ratchet driving wheel 43 rotated with transmission of power to the second axle 4 synchronously with ratchet follower 41, when ratchet driving wheel 43 namely counterclockwise rotates in opposite direction with respect to ratchet follower 41, ratchet driving wheel 43 breaks away from ratchet follower 41 and cooperates, ratchet follower 41 and the second axle 4 do not rotate at this moment, ratchet driving wheel 43 and the 3rd gear 42 are in 4 idle running of the second axle, and this moment, power can not be passed to the second axle 4.
Here, need to prove, in the foregoing description, ratchet driving wheel 43 rotates along the pointer direction, ratchet driving wheel 43 and ratchet follower 41 cooperate, and counterclockwise rotate at ratchet driving wheel 43, ratchet driving wheel 43 and ratchet follower 41 break away from and cooperate only is schematic explanation, can not be interpreted as restriction of the present utility model, be understandable that, when ratchet driving wheel 43 rotated along suitable pointer direction, ratchet driving wheel 43 and ratchet follower 41 also can break away from cooperation, and when ratchet driving wheel 43 counterclockwise turns, ratchet driving wheel 43 and ratchet follower 41 can cooperate with transferring power, be ratchet driving wheel 43 when rotating, its with ratchet follower 41 between mated condition and the setting party of the ratchet on the ratchet driving wheel 43 to relevant, this all is understandable for the those skilled in the art.
In addition, about the concrete structure of ratchet follower 41 and ratchet driving wheel 43 such as comprising that wheel body and ratchet (or ratchet slot) and working principle are such as clockwise rotating the two cooperation, rotating counterclockwise the two and break away to cooperate etc. and be prior art, and known by those skilled in the art, therefore be not described in detail here.In addition, among Fig. 4 only be the assembly relation that the second axle 4, the 3rd gear 42, ratchet driving wheel 43 and ratchet follower 41 schematically are shown.
In brief, tooth bar 2 moves forward and backward and drives 31 rotations of the first gear, the first gear 31 drives the first axle 3 and the second gear 32 rotates, the 3rd gear 42 of the second gear 32 and then driving and its engagement and the ratchet driving wheel that links to each other with the 3rd gear 42 43 rotate, when ratchet driving wheel 43 rotates along pointer, ratchet driving wheel 43 and ratchet follower 41 can cooperate, ratchet follower 41 rotates and then drives the second axle 4 and rotates, being about to power exports the second axle 4 to and drives for example ball milling work of heavy mechanical equipment coupled and that need to rotate by the second axle 4, when ratchet driving wheel 43 contrary pointers rotate, 41 of ratchet driving wheel 43 and ratchet followers break away from and cooperate, and this moment, the second axle 4 did not rotate.
Driven unit (scheming not shown) links to each other with tooth bar 2 and moves forward and backward to drive tooth bar 2.
According to the utility model embodiment's power plant 100, can drive main equipment and rotate, for providing it, main equipment rotates required torsion, and power plant 100 transmission efficiencies of the present utility model are high, and structure is compact, reasonable, convenient for production, long service life, cost is low.
Preferably, the first axle 3, the first gear 31 and the second gear 32 are integrally welded.Thus, the production and processing of convenient the first axle 3, the first gear 31 and the second gear 32, improve the assembling intensity between the first axle 3, the first gear 31 and the second gear 32, when power plant 100 work, the first axle 3, the first gear 31 and the second gear 32 can bear larger torsion, and not fragile.
Preferably, the 3rd gear 42 and ratchet driving wheel 43 are integrally welded, and thus, the production and processing of convenient the 3rd gear 42 and ratchet driving wheel 43 reduces production costs, and improves simultaneously the assembling intensity between the 3rd gear 42 and the ratchet driving wheel 43.
Preferably, ratchet follower 41 and the second axle 4 are integrally welded.Thus, make things convenient for the production and processing of ratchet follower 41 and the second axle 4, improve the assembling intensity between ratchet follower 41 and the second axle 4, make it can transmit larger torsion.
In embodiments more of the present utility model, as shown in Figures 2 and 3, power plant 100 also comprise tooth bar restraining groove 5, and tooth bar restraining groove 5 is located at and is used for the degrees of freedom of restriction tooth bar 2 on left and right directions on the mounting bracket 1, and its middle rack 2 can be engaged in the tooth bar restraining groove 5 movably forward and backward.Particularly, restraining groove 5 can comprise diapire 51, left side wall 52 and right side wall 53, wherein left side wall 52 is from the left example of diapire 51 along extending straight up, right side wall 53 is from the right side of diapire 51 along extending straight up, left side wall 52 and right side wall 53 the distance on the left and right directions can with the width of tooth bar 2 about equally or the width that is slightly larger than tooth bar 2 with the degrees of freedom of restriction tooth bar 2 on left and right directions.
When power plant 100 work, its bottom surface can be subjected to larger frictional force when tooth bar 2 moved forward and backward, move forward and backward the friction of process in order to reduce tooth bar 2, improve the working life of tooth bar 2, guarantee the transmission efficiency of power plant 100, preferably, the bottom of tooth bar 2 is provided with a plurality of pressure rolling bearings 21 that are spaced apart from each other at fore-and-aft direction.
In embodiments more of the present utility model, driven unit comprises hydraulic driving oil cylinder, and the cylinder rod of hydraulic driving oil cylinder links to each other with tooth bar 2 and moves forward and backward to drive tooth bar 2.Certainly, be understandable that driven unit also can be that the actuator of other type for example drives cylinder, moves forward and backward as long as namely can drive tooth bar 2.
Below with reference to be used for the power system 1000 that driving device equipment rotate of Fig. 5 description according to the utility model embodiment.
The power system 1000 that driving device equipment rotates that is used for according to the utility model embodiment, comprise a plurality of power plant 100 and a plurality of transmitting assembliess 200 according to describing in the utility model above-described embodiment, wherein a plurality of power plant 100 being arranged side by side in the axial of the second axle 4, in other words, after a plurality of power plant 100 are arranged side by side, the axis of the second axle 4 of each power plant 100 is on same straight line, each transmitting assemblies 200 is located between adjacent two power plant 100 and links to each other with the second axle 4 of adjacent two power plant 100 respectively, be used for the power of a plurality of power plant 100 outputs is combined to drive heavy mechanical equipment, particularly, be presented axially in for example power plant 100 of the leftmost side of outermost power plant 100, its second axle 4 can be used as the torsion outlet terminal and links to each other with heavy mechanical equipment.
For example, with reference to shown in Figure 5, power system 1000 comprises three power plant 100 and two transmitting assembliess 200, certainly, be understandable that in order to obtain larger outputting torsion, power system 1000 also can comprise for example 5,10 or more on more power plant 100, correspondingly, transmitting assemblies 200 also is combined with the power with a plurality of power plant 100 outputs for a plurality of.
Preferably, transmitting assemblies 200 comprises universal joint, and universal joint is preferably cardan universal joint.
Because when a plurality of power plant 100 were arranged side by side, the axis of the second axle 4 of adjacent two power plant 100 may have certain angle, by universal joint is set, can guarantee that a plurality of power plant 100 transmit efficient and the reliability of torsion, reduce transmission loss.
In the description of this specification, the description of reference term " embodiment ", " some embodiments ", " illustrative examples ", " example ", " concrete example " or " some examples " etc. means to be contained at least one embodiment of the present utility model or the example in conjunction with specific features, structure, material or the characteristics of this embodiment or example description.In this manual, the schematic statement of above-mentioned term not necessarily referred to identical embodiment or example.And the specific features of description, structure, material or characteristics can be with suitable mode combinations in any one or more embodiments or example.
Although illustrated and described embodiment of the present utility model, those having ordinary skill in the art will appreciate that: can carry out multiple variation, modification, replacement and modification to these embodiments in the situation that does not break away from principle of the present utility model and aim, scope of the present utility model is limited by claim and equivalent thereof.
Claims (10)
1. one kind is used for the power plant that driving device equipment rotates, and it is characterized in that, comprising:
Mounting bracket;
Tooth bar, described tooth bar can move forward and backward along the fore-and-aft direction extension and with respect to described mounting bracket;
The first axle, described the first axle is located on the described mounting bracket rotationally, described the first axle is provided with respectively first gear and second gear rigidly connected with described the first axle, and wherein said the first gear cooperates that with described tooth bar seesawing of described tooth bar is converted to rotatablely moving of described the first gear;
The second axle, described the second axle is located on the described mounting bracket rotationally, described the second axle is provided with ratchet follower and empty set three gear on described second axle and the ratchet driving wheel that with described three gear link to each other rigidly connected with described the second axle, wherein said the 3rd gear and the engagement of described the second gear, described ratchet follower cooperates with described ratchet driving wheel; And
Driven unit, described driven unit link to each other to drive described tooth bar with described tooth bar and move forward and backward.
2. the power plant for the rotation of driving device equipment according to claim 1 is characterized in that described the first axle, described the first gear and described the second gear are integrally welded.
3. the power plant for the rotation of driving device equipment according to claim 1 is characterized in that described the 3rd gear and described ratchet driving wheel are integrally welded.
4. the power plant for the rotation of driving device equipment according to claim 1 is characterized in that described ratchet follower and described the second axle are integrally welded.
5. power plant that rotate for driving device equipment according to claim 1, it is characterized in that, also comprise: the tooth bar restraining groove, described tooth bar restraining groove is located at and is used on the described mounting bracket limiting the degrees of freedom of described tooth bar on left and right directions, and wherein said tooth bar can be engaged in the described tooth bar restraining groove movably forward and backward.
6. the power plant for the rotation of driving device equipment according to claim 5 is characterized in that the bottom of described tooth bar is provided with a plurality of pressure rolling bearings that are spaced apart from each other at fore-and-aft direction.
7. the power plant for the rotation of driving device equipment according to claim 1 is characterized in that described driven unit comprises hydraulic driving oil cylinder, and the cylinder rod of described hydraulic driving oil cylinder links to each other to drive described tooth bar with described tooth bar and moves forward and backward.
8. one kind is used for the power system that driving device equipment rotates, and it is characterized in that, comprising:
Each described power plant for the rotation of driving device equipment in according to claim 1 a plurality of-7, described a plurality of power plant axially are arranged side by side described the second axle; And
A plurality of transmitting assembliess, each described transmitting assemblies are located between adjacent two power plant and respectively and link to each other with the second axle of adjacent two power plant.
9. the power system for the rotation of driving device equipment according to claim 8 is characterized in that described transmitting assemblies comprises universal joint.
10. the power system for the rotation of driving device equipment according to claim 9 is characterized in that described universal joint is cardan universal joint.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220445288 CN202851861U (en) | 2012-09-04 | 2012-09-04 | Power device for driving mechanical devices to rotate and power system with power device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220445288 CN202851861U (en) | 2012-09-04 | 2012-09-04 | Power device for driving mechanical devices to rotate and power system with power device |
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| Publication Number | Publication Date |
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| CN202851861U true CN202851861U (en) | 2013-04-03 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220445288 Expired - Fee Related CN202851861U (en) | 2012-09-04 | 2012-09-04 | Power device for driving mechanical devices to rotate and power system with power device |
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| CN (1) | CN202851861U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102817988A (en) * | 2012-09-04 | 2012-12-12 | 李信 | Power device used for driving mechanical equipment to rotate and power system with power device |
-
2012
- 2012-09-04 CN CN 201220445288 patent/CN202851861U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102817988A (en) * | 2012-09-04 | 2012-12-12 | 李信 | Power device used for driving mechanical equipment to rotate and power system with power device |
| CN102817988B (en) * | 2012-09-04 | 2015-07-29 | 李信 | Power plant rotated for driving device equipment and there is its power system |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130403 Termination date: 20130904 |