CN2466125Y - Self-lifting internal creeping lifting-up system - Google Patents
Self-lifting internal creeping lifting-up system Download PDFInfo
- Publication number
- CN2466125Y CN2466125Y CN 01213540 CN01213540U CN2466125Y CN 2466125 Y CN2466125 Y CN 2466125Y CN 01213540 CN01213540 CN 01213540 CN 01213540 U CN01213540 U CN 01213540U CN 2466125 Y CN2466125 Y CN 2466125Y
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- tower
- fixed pulley
- travelling frame
- jack
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Abstract
The utility model relates to a self creeping type internal creeping lifting system which comprises a tower body. The utility model is characterized in that an upper and a lower moving frames which can lift and descend along the tower body are arranged on the tower body; the upper moving frame is composed of two long cross rails and two short cross rails; telescopic rails are arranged on the two long cross rails; a rope pulley system is arranged in the tower body; a draw rod connection device is connected with a hydraulic pressure lifting system; one end of a wire cable installed on the rope pulley system is connected with a counterweight connection device; six different winding modes can be obtained by the different combination of the other end of the wire cable and a fixed and a movable pulley sets. The utility model makes use of the rope pulley system and the hydraulic pressure lifting system to realize the automatic creeping of a complete machine and an internal creeping device, and use is convenient.
Description
The utility model relates to the constructional engineering machinery field, is specifically related to climb jack-up system in the jack up that tower crane and tower concrete material distributing machine or cancelled structure need to climb in self.
Present tower crane and tower concrete material distributing machine commonly used in high-building construction, generally be divided into two kinds of adhesion type and inner climbing types, attached tower crane and adhesion type concrete material distributing machine are installed in the side of building, make the effective boundary of works area and the lift heavy ability of tower crane all be subjected to restriction, effective boundary of works area of particularly tower concrete material distributing machine is restricted, so material distributing machine seldom has adhesion type.Internal-climbing tower crane or internal climbing tower concrete material distributing machine are installed in elevator or other standard width of a room in an old-style house place, thereby enlarged effective boundary of works area of tower machine and material distributing machine, have given full play to the ability of tower machine, material distributing machine.Be divided into two kinds of side jacking and central jackings yet climb the jacking pattern in existing, adopt side jacking pattern in climb jack-up system, whenever climb and remove Hydraulic Station on once needing successively, hydraulic ram, in climb framework and bearing beam; Adopt mid-jacking pattern in climb jack-up system still need dismounting, on climb framework, bearing beam and cat ladder in removing, installing; No matter be mid-jacking or side jacking, labor strength is big in the process of climbing, and dismounting trouble, time-consuming taking a lot of work, in order to climb framework and bearing beam in installing, often to do specific (special) requirements, both waste material to the design and construction of elevator, increase cost again, thus influence internal-climbing tower crane and in climb promoting the use of of material distributing machine.
The purpose of this utility model is the defective that overcomes present prior art, provide a kind of utilize a noose wheel system and hydraulic jacking system realize complete machine and in climb in the jack up of automatic climbing of device and climb jack-up system.
The purpose of this utility model is achieved through the following technical solutions.It comprises body of the tower, and it is characterized in that described body of the tower is provided with can be along the last travelling frame of its lifting and following travelling frame, and last travelling frame is made up of two long and short crossbeams, on two long beams telescopic girder is housed; Establish the rope sheave system in the body of the tower, steel rope one end and counterweight connecting device set on it join, and the counterweight connecting device other end links to each other with following travelling frame, and pull rod connection device links to each other with hydraulic jacking system.Hydraulic jacking system comprises jacking cylinder, the jacking crossbeam, and jacking crossbeam two ends and pull rod connection device are joined, hinged its central authorities of jacking cylinder piston rod.The rope sheave system comprises fixed pulley and steel rope, fixed pulley is fixed on the body of the tower, set steel rope one end passes travelling frame and the counterweight connecting device joins on it, and the other end joins with pull rod connection device or joins with pull rod connection device around the back respectively with movable pulley and fixed pulley after walking around fixed pulley; The steel rope other end also can walk around behind the fixed pulley with movable pulley around, through joining with the counterweight connecting device behind the fixed pulley or joining with the counterweight connecting device behind the pile warp fixed pulley mutually with fixed pulley group and running block respectively; Can also walk around behind the fixed pulley and movable pulley, or respectively with fixed pulley group and running block around after be fixed on the body of the tower, the counterweight connecting device other end links to each other with following travelling frame.
The utility model with traditional in climb jack-up system and compare and have following technology and compare and have a row technique effect:
1. ingenious rope sheave system and the hydraulic jacking system of being provided with in body of the tower gets over journey and all realized the hydraulic pressure automation in making, and saves trouble, the saving of labor, avoided onerous toil, accelerated the efficient of climbing again, also improved safe reliability.
2. the rope sheave system carries out different combination with fixed pulley (group) with movable pulley (group) by steel rope, can obtain 6 kinds of different canoes, thereby obtain 6 kinds of different mode of motion and rate of climb, makes construction more convenient.
3. telescopic girder can with the preformed hole of elevator, the holding-down bolt captive joint, enlarged internally climbing tower crane and in climb the range of use of material distributing machine.
4. going up travelling frame and following travelling frame can regulate arbitrarily according to the building story height, very easy to use, is highly suitable for high-building construction and different construction objects, has broad application prospects.
Description of drawings:
Fig. 1 is the utility model working state schematic representation;
Fig. 2 is a travelling frame climb mode scheme drawing on the utility model;
Fig. 3 is a travelling frame climb mode scheme drawing under the utility model;
Fig. 4 is the utility model complete machine climb mode scheme drawing;
Fig. 5 is embodiment one structure diagram of rope sheave system canoe;
Fig. 6 is single multiplying power rope sheave system schematic of Fig. 5;
Fig. 7 is a multiplying power rope sheave system schematic more than Fig. 5;
Fig. 8 is embodiment two structure diagrams of rope sheave system canoe;
Fig. 9 is single multiplying power rope sheave system schematic of Fig. 8;
Figure 10 is a multiplying power rope sheave system schematic more than Fig. 8;
Figure 11 is the canoe embodiment of rope sheave system three structure diagrams;
Figure 12 is single multiplying power rope sheave system schematic of Figure 11;
Figure 13 is a multiplying power rope sheave system schematic more than Figure 11;
The utility model is described in further detail below in conjunction with accompanying drawing.
The utility model be in existing, climb adopt on the basis of jack-up system a kind of later-model climb mode and utilize the rope sheave system dexterously and hydraulic jacking system with realize complete machine and in climb the automatic climbing of device.
As Fig. 1, Fig. 2, Fig. 3, shown in Figure 4, the utility model comprises body of the tower 1, all can do upper and lower lifting on body of the tower 1 establishing travelling frame 5 and following travelling frame 12, two travelling frames on the body of the tower 1.Last travelling frame 5 is connect by two long and short crossbeams and forms; In two long beams, telescopic girder 6 is housed, the central authorities of two main beam transverses are provided with and mount the cat ladder 18 of complete machine when climbing, the guide wheel device that also is provided with the jacking block device that can hold out against the body of the tower main chord on the last travelling frame 5 and can moves up and down along the body of the tower main chord, last travelling frame 6 can climb along body of the tower 1 main chord by rope sheave system 21 under the effect of hydraulic lifting oil cylinder.Following travelling frame 12 is formed by four crossbeam weldings.On it, not only be provided with the holding device that can hold out against the body of the tower main chord, also be provided with the guide wheel device that can move up and down along body of the tower 1 main chord; Hydraulic lifting oil cylinder 11 can drive down travelling frame 12 by rope sheave system 21 and counterweight connecting device 7 and upwards climb along body of the tower 1 main chord.
As shown in Figure 1, body of the tower 1 places in the elevator, the telescopic girder 6 of last travelling frame 5 with in climb base section 15 telescopic girder 17 all insert the preformed hole of elevator inwall and fixing or link to each other with the pre-embedded anchoring bolts of elevator, the holding device of last travelling frame 5 holds out against the body of the tower main chord tightly, and has squeezed into the hardwood voussoir between last travelling frame 5 and elevator metope.Also squeezed into the hardwood voussoir between base section 15 fixed frames and the elevator metope interior climbing equally.When that is to say tower machine (material distributing machine) work, body of the tower 1 is connected as a single entity by the interior base section 15 and last travelling frame 5 and building of climbing.
The utility model is equipped with rope sheave system 21 in body of the tower 1 inside, and it comprises fixed pulley 2 and the steel rope 3 that is fixed on the body of the tower 1, the not canoe of being done by steel rope 3 and fixed pulley 2 and movable pulley 4, thus form different rate of climb.The utility model has provided three kinds of embodiment of rope sheave system architecture, can obtain 6 kinds of different canoes.
Embodiment one: as shown in Figure 5, fixed pulley 2 is fixed on the body of the tower 1 in the present embodiment, be wound with steel rope 3 on it, steel rope 3 one ends pass the counterweight connecting device 7 that travelling frame 5 and an end be fixed on down on the travelling frame 12 and join, the other end can be as shown in Figure 6, walk around fixed pulley 2 backs and join, form single multiplying power rope sheave system architecture with pull rod connection device 22; Also can be as shown in Figure 7, steel rope 3 one ends pass travelling frame 5 and join with counterweight connecting device 7, the other end walk around earlier behind the movable pulley 4 again with fixed pulley 2 around, be fixed on the pull rod connection device 22 after walking around movable pulley 4 and fixed pulley 2 again, form many multiplying powers rope sheave system architecture.
Embodiment two: as shown in Figure 8, fixed pulley 2 is fixed on the body of the tower 1 in the present embodiment, steel rope 3 one ends pass travelling frame 5 and join with the counterweight connecting device 7 that the other end is fixed on down on the travelling frame 12, the other end as shown in Figure 9, walk around fixed pulley 2, with movable pulley 4 around after fixed pulley 2 joins with counterweight connecting device 7, form present embodiment list multiplying power rope sheave system architecture; Also can be as shown in figure 10, steel rope 3 one ends and counterweight connecting device 7 join, the other end is walked around fixed pulley 2 back and is linked to each other with movable pulley 4, again with fixed pulley 2 around after join with movable pulley 4 phase pile warp fixed pulleys, 2 backs and counterweight connecting device 7 again, form many multiplying powers rope sheave system architecture.
Embodiment three: as Figure 11, Figure 12, shown in Figure 13, the present embodiment canoe is consistent with embodiment two, steel rope 3 one ends with pass travelling frame 5 and counterweight connecting device 7 and join, different the is other end respectively with movable pulley 4 and fixed pulley 2 around after be fixed on the body of the tower 1.
The utility model working process:
Before travelling frame climbs, need on the elevator wall, to reserve one group of (four) preformed hole or to reserve one group of lower margin double-screw bolt, this group preformed hole or lower margin double-screw bolt compare about 6 meters of preformed hole height that telescopic girder is housed now or lower margin double-screw bolts.When climbing, travelling frame need follow these steps to climb.
(1) goes up climbing of travelling frame
1. tower machine (material distributing machine) is carried out trim, make its center of gravity as far as possible near or drop on body of the tower 1 center.
2. heading into the hardwood voussoir between travelling frame 12 and the elevator metope down, the body of the tower jacking block of following travelling frame 12 holds out against body of the tower 1.
3. take out to go up the voussoir of travelling frame 5 and elevator metope, unclamp the body of the tower jacking block of travelling frame 5, and make these jacking blocks and the original face of holding out against that certain clearance be arranged.
4. take down down the bearing pin that is connected of travelling frame 12 and counterweight connecting device 7.
5. will the change step pawl 9 of changing step to climb of crossbeam 8, the jacking of jacking crossbeam 13 are climbed pawl 14 and are rotated and erect, and make it and cat ladder 18 keeps certain clearance.
6. start hydraulic jacking system 20, make it the connecting device of jacking crossbeam 13 with rope sheave system 21 to be connected and fixed with bearing pin.
7. the telescopic girder 6 that will go up travelling frame 5 is recovered in the fixed frame.
8. start hydraulic jacking system 20, the running block 4 and the distance of fixed pulley group 2 are widened, by rope sheave system 21, travelling frame 5 is climbed along the main chord of body of the tower 1, until the telescopic girder 6 of last travelling frame 5 can insert elevator go up the group preformed hole or can link to each other with the pre-embedded bolt of elevator the time, stop to climb, install and fix travelling frame 5 telescopic girdeies 6, and between last travelling frame 5 and elevator metope, squeezed into the hardwood voussoir.So just finished climbing of last travelling frame 5.
In 5 of last travelling frame climbed process, the inner base section 15 of climbing was fixed on body of the tower 1 in the elevator with following travelling frame 12.
(2) travelling frame climbs under
1. regain hydraulic lifting oil cylinder 11, counterweight connecting device 7 not only makes under the effect of its gravity and itself moves down, and also makes running block 4 move up, and running block 4 diminishes with the distance of fixed pulley group 2.
2. will descend travelling frame and counterweight connecting device 7 to connect together with bearing pin, start hydraulic jacking system 20, running block 4 and fixed pulley group 2 distances are widened, and, travelling frame 12 be climbed along the body of the tower main chord by rope sheave system 20.
3. travelling frame 12 is climbed to suitable position instantly, stops to climb, and is fixed on the body of the tower 1 with the body of the tower holding device.So just finished climbing of time travelling frame 12.
In the process of climbing of following travelling frame 12, in climb base section 15 and last travelling frame 5 is fixed on body of the tower 1 in the elevator.
(3) climbing of complete machine:
1. complete machine is carried out trim, make center of gravity drop on the jacking cylinder 3.
2. the body of the tower jacking block that will go up travelling frame 5 unclamps, and makes body of the tower jacking block and body of the tower main chord that certain clearance be arranged.
3. between elevator metope and following travelling frame 12, use the wedging of hardwood voussoir, unclamp the body of the tower jacking block of travelling frame 12 down.
4. take out the elevator metope and in climb voussoir between the base pitch fixed frame 16, take down the bearing pin that is connected of jacking crossbeam 13 and pull rod connection device 10.Pawl 14 is climbed in the change step jacking of changing step to climb pawl 9 and jacking crossbeam 13 of crossbeam 8 of rotation, makes it and cat ladder 18 mutual actions.
5. start hydraulic jacking system 20, make the jacking of jacking crossbeam 13 climb pawl 14 and act on a certain upper surface of marking time of two cat ladders, slightly behind the jacking complete machine, in interior telescopic girder 17 income fixed frames 16 of climbing base section fixed frame 16, start hydraulic jacking system 20, complete machine is climbed.The step of climbing of climbing jack-up system in following step and the tradition is the same, here detailed description no longer.
The telescopic girder 17 of 6. climbing base section 15 in complete machine rises to it can insert last one group of preformed hole or when linking to each other with holding-down bolt, climb the telescopic girder 17 of base section 15 in pulling out, connect, after adjusting body of the tower 1, fix telescopic girder 17, climb base section fixed frame 16 and elevator between the walls in heading into voussoir.
7. the body of the tower jacking block that will go up travelling frame 5 holds out against the body of the tower main chord, takes out the voussoir (must not unclamp the voussoir between elevator wall and the following travelling frame 12) of elevator wall and following travelling frame 12, and the tower machine just can enter mode of operation like this.
Mounting list of the present utility model:
The utility model is when initial the installation and the mounting means basically identical of existing tower machine (material distributing machine), different is to install between the undersetting, should will descend travelling frame 12 to be fixed on before the interior position of climbing about base section fixed frame 16 about 3m earlier, last travelling frame 6 be fixed on the position of climbing in the distance about base section fixed frame 6m.During construction of lift well, whenever, apart from about 6m, establish one group of (4) preformed hole or pre-buried one group of holding-down bolt, be used for climbing of travelling frame 5 and complete machine, when architecture construction arrives certain height, during the bad construction of tower machine or material distributing machine, must go up earlier travelling frame 5 and climb, carry out climbing of complete machine again.
The utility model only need repeat climbing of travelling frame 5 and climbing of complete machine, just can raise with the rising of building, finishes until architecture construction.
Maximum characteristics of the present utility model are to utilize a cover hydraulic jacking system, climb climbing of device and complete machine in having realized by the rope sheave system then.
Claims (5)
1, climbs jack-up system in a kind of self-crawling type, it comprises body of the tower (1), it is characterized in that described body of the tower (1) is provided with can be along the last travelling frame (5) and the following travelling frame (12) of its lifting, and last travelling frame (5) is made up of two long and short crossbeams, and telescopic girder (6) is housed on two long beams; Establish rope sheave system (21) in the body of the tower, pull rod connection device (22) links to each other with hydraulic jacking system (20).
2, climb jack-up system in the jack up according to claim 1, it is characterized in that hydraulic jacking system (20) comprises jacking cylinder (11), jacking crossbeam (13), jacking crossbeam (13) two ends are connected with pull bar (22), and jacking cylinder (11) piston rod is in the central hinged.
3, climb jack-up system in the jack up according to claim 1 and 2, it is characterized in that rope sheave system (21) comprises fixed pulley (2) and steel rope (3), described fixed pulley (2) is fixed on the body of the tower (1), set steel rope (3) one ends pass travelling frame (5) and counterweight connecting device (7) and join on it, the other end joins with pull rod connection device (22) or joins with pull rod connection device (22) around the back respectively with movable pulley (4) and fixed pulley (2) after walking around fixed pulley (2), and counterweight connecting device (7) other end links to each other with following travelling frame (12).
4, climb jack-up system in the jack up according to claim 1 and 2, it is characterized in that rope sheave system (21) comprises fixed pulley (2) and steel rope (3), described fixed pulley (2) is fixed on the body of the tower (1), set steel rope (3) one ends pass travelling frame (5) and counterweight connecting device (7) and join on it, the other end is walked around fixed pulley (2) back and is joined with counterweight connecting device (7) or join with counterweight connecting device (7) with fixed pulley group (2) and running block (4) phase pile warp fixed pulley (2) back respectively in pile warp fixed pulley (2) back mutually with movable pulley (4), and counterweight connecting device (7) other end links to each other with following travelling frame (12).
5, climb jack-up system in the jack up according to claim 1 and 2, it is characterized in that rope sheave system (21) comprises fixed pulley (2) and steel rope (3), described fixed pulley (2) is fixed on the body of the tower (1), set steel rope (3) one ends pass travelling frame (5) and counterweight connecting device (7) and join on it, the other end walk around fixed pulley (2) back and movable pulley (4) around, be fixed on the body of the tower (1), or respectively with fixed pulley group (2) and running block (4) around after be fixed on the body of the tower (1), counterweight connecting device (7) other end links to each other with following travelling frame (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 01213540 CN2466125Y (en) | 2001-02-28 | 2001-02-28 | Self-lifting internal creeping lifting-up system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 01213540 CN2466125Y (en) | 2001-02-28 | 2001-02-28 | Self-lifting internal creeping lifting-up system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2466125Y true CN2466125Y (en) | 2001-12-19 |
Family
ID=33632490
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 01213540 Expired - Fee Related CN2466125Y (en) | 2001-02-28 | 2001-02-28 | Self-lifting internal creeping lifting-up system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2466125Y (en) |
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2012116537A1 (en) * | 2011-03-02 | 2012-09-07 | 长沙中联重工科技发展股份有限公司 | Lifting structure of tower crane, hydraulic system of lifting structure, and lifting method |
| CN102745564A (en) * | 2012-06-27 | 2012-10-24 | 日立电梯（中国）有限公司 | Lift strength tester |
| WO2013104242A1 (en) * | 2012-01-10 | 2013-07-18 | 中联重科股份有限公司 | Distributing device design and model selection system and method |
| CN103640995A (en) * | 2013-12-17 | 2014-03-19 | 中联重科股份有限公司 | Jacking step-changing device of internal-climbing tower crane and internal-climbing tower crane |
| CN103950842A (en) * | 2014-06-06 | 2014-07-30 | 徐州徐工液压件有限公司 | Electric-hydraulic hybrid tower crane jacking system |
| CN103979432A (en) * | 2014-05-06 | 2014-08-13 | 中建三局集团有限公司 | Climbing belt self-hoisting system of large-sized movable-arm tower crane |
| CN105263849A (en) * | 2013-03-12 | 2016-01-20 | 科尼起重机有限公司 | Self erecting jacking tower |
| CN106948593A (en) * | 2017-02-28 | 2017-07-14 | 深圳市特辰科技股份有限公司 | A kind of wheeled robot climbing frame |
| CN107598562A (en) * | 2017-08-02 | 2018-01-19 | 威海新特重工股份有限公司 | A kind of interior climb support and its installation method with fixed cage |
| CN108915232A (en) * | 2018-05-28 | 2018-11-30 | 中国化学工程第六建设有限公司 | Self-elevating external climbing frame |
| CN116873784A (en) * | 2023-09-07 | 2023-10-13 | 上海建工一建集团有限公司 | Integral formwork system and inner climbing tower crane collaborative lifting equipment and method |
-
2001
- 2001-02-28 CN CN 01213540 patent/CN2466125Y/en not_active Expired - Fee Related
Cited By (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2012116537A1 (en) * | 2011-03-02 | 2012-09-07 | 长沙中联重工科技发展股份有限公司 | Lifting structure of tower crane, hydraulic system of lifting structure, and lifting method |
| WO2013104242A1 (en) * | 2012-01-10 | 2013-07-18 | 中联重科股份有限公司 | Distributing device design and model selection system and method |
| CN102745564A (en) * | 2012-06-27 | 2012-10-24 | 日立电梯（中国）有限公司 | Lift strength tester |
| CN102745564B (en) * | 2012-06-27 | 2015-06-17 | 日立电梯（中国）有限公司 | Lift strength tester |
| CN105263849A (en) * | 2013-03-12 | 2016-01-20 | 科尼起重机有限公司 | Self erecting jacking tower |
| CN105263849B (en) * | 2013-03-12 | 2018-06-15 | 科尼全球公司 | Tower is jacked from setting up |
| CN103640995A (en) * | 2013-12-17 | 2014-03-19 | 中联重科股份有限公司 | Jacking step-changing device of internal-climbing tower crane and internal-climbing tower crane |
| CN103979432B (en) * | 2014-05-06 | 2016-01-27 | 中建三局集团有限公司 | A kind of large-scale swing arm tower crane climbing band is from elevator system |
| CN103979432A (en) * | 2014-05-06 | 2014-08-13 | 中建三局集团有限公司 | Climbing belt self-hoisting system of large-sized movable-arm tower crane |
| CN103950842B (en) * | 2014-06-06 | 2016-04-27 | 徐州徐工液压件有限公司 | A kind of tower machine jack-up system of electrohydraulic mixed power |
| CN103950842A (en) * | 2014-06-06 | 2014-07-30 | 徐州徐工液压件有限公司 | Electric-hydraulic hybrid tower crane jacking system |
| CN106948593A (en) * | 2017-02-28 | 2017-07-14 | 深圳市特辰科技股份有限公司 | A kind of wheeled robot climbing frame |
| CN107598562A (en) * | 2017-08-02 | 2018-01-19 | 威海新特重工股份有限公司 | A kind of interior climb support and its installation method with fixed cage |
| CN107598562B (en) * | 2017-08-02 | 2019-12-03 | 威海新特重工股份有限公司 | It is a kind of with bracket and its installation method of climbing in fixed cage |
| CN108915232A (en) * | 2018-05-28 | 2018-11-30 | 中国化学工程第六建设有限公司 | Self-elevating external climbing frame |
| CN108915232B (en) * | 2018-05-28 | 2020-11-13 | 中国化学工程第六建设有限公司 | Self-lifting type external climbing frame |
| CN116873784A (en) * | 2023-09-07 | 2023-10-13 | 上海建工一建集团有限公司 | Integral formwork system and inner climbing tower crane collaborative lifting equipment and method |
| CN116873784B (en) * | 2023-09-07 | 2023-11-07 | 上海建工一建集团有限公司 | Integral formwork system and inner climbing tower crane collaborative lifting equipment and method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |