CN210286533U - Hydraulic dragging lifting type single-beam steel wire rope crane - Google Patents
Hydraulic dragging lifting type single-beam steel wire rope crane Download PDFInfo
- Publication number
- CN210286533U CN210286533U CN201921332963.6U CN201921332963U CN210286533U CN 210286533 U CN210286533 U CN 210286533U CN 201921332963 U CN201921332963 U CN 201921332963U CN 210286533 U CN210286533 U CN 210286533U
- Authority
- CN
- China
- Prior art keywords
- trolley
- lifting
- wire rope
- pulley block
- steel wire
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Abstract
The utility model discloses a hydraulic pressure drags lift-type monospar wire rope loop wheel machine relates to hoist technical field. The utility model comprises a hydraulic oil cylinder, a movable pulley block, a fixed pulley block, a corner wheel, a running trolley, a lifting trolley and a fixed bracket which are arranged in a straight line and are sequentially arranged on a track beam in the middle of the shield machine; the lifting trolley is provided with a plurality of trolley pulleys, and the hydraulic oil cylinder, the movable pulley block, the fixed pulley block, the corner wheel, the running trolley, the lifting trolley and the fixed support are connected into a whole through a steel wire rope. The utility model has the advantages that the clearance size of the crane is obviously increased through the arrangement of the trolley pulley, the hoisting requirement of more materials is met, and the clearance height is saved; the shield machine body with the same model can meet the lifting requirements of more materials, has a compact structure, requires a small installation space, vacates a space for installing other equipment, has a simple electrical principle, has few fault points and is easy to maintain; the installation and maintenance are convenient, the number of easily damaged parts is small, and the later maintenance cost is low.
Description
Technical Field
The utility model belongs to the technical field of the hoist, especially, relate to a hydraulic pressure drags lift-type monospar wire rope loop wheel machine.
Background
The shield constructs the machine and waits at the during operation, needs to pass through the continuous transportation precast cement section of jurisdiction loop wheel machine, and at present, the loop wheel machine that accomplishes such function of lifting by crane in the market mainly accomplishes with the chain block hoist machine, as shown in fig. 16, 18:
1. the lifting mechanism is mainly characterized in that a chain block c is directly fixed below a lifting trolley in a lifting part a, and the sizes of the chain block c and a chain box occupy most of space, so that the size loss of lifting clearance is caused;
2. due to the limitation of the size of the chain hoist c, the maximum tonnage of the standard double-vertical-chain electric hoist can only reach 5 tons;
3. the electric control part not only needs to provide power supply and control for driving of the operation part b, but also needs to provide power supply and control for the chain hoist c, the number of cable cores is increased, wiring is complex, and fault points are correspondingly increased;
in summary, the existing chain hoist crane has the following disadvantages: the high-precision electric lifting appliance has the advantages of large clearance height, small lifting space, limited load, narrow application range, complex electric control, complex wiring and more moving parts.
Therefore, the utility model provides a hydraulic pressure drags lift-type monospar wire rope loop wheel machine mainly is applied to the prefabricated section of jurisdiction of shield structure built-in inside handling cement, serves in shield structure machine middle section, is responsible for hoisting the prefabricated section of jurisdiction of cement from section of jurisdiction travelling bogie, places on section of jurisdiction transfer platform after horizontal migration.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a hydraulic dragging lifting type single-beam steel wire rope crane, which causes the length change of a steel wire rope through the extension and retraction of a hydraulic oil cylinder, thereby completing the lifting and descending actions of a lifting appliance; the pulley trolley can run left and right in the full stroke, a steel wire rope enters from one side of the pulley and is output from the other side during running, the total length of the steel wire rope is not changed, and a lifting appliance can be kept in the original position; the lifting mechanism and the operating mechanism are relatively independent and do not interfere with each other.
In order to solve the technical problem, the utility model discloses a realize through following technical scheme:
the utility model relates to a hydraulic dragging lifting type single-beam steel wire rope crane, which comprises a hydraulic cylinder, a movable pulley block, a fixed pulley block, a corner wheel, a running trolley, a lifting trolley and a fixed bracket which are arranged in a straight line and are sequentially arranged on a track beam in the middle of a shield machine; the space of the two sides is not occupied, other equipment such as pipelines, footpaths and the like can be conveniently arranged on the two sides of the shield machine body, and the walking of the segment transport trolley is not influenced below the shield machine body; the hydraulic oil cylinder, the movable pulley block and the fixed pulley block are arranged on one bridge, the running tracks of the running trolley and the lifting trolley are arranged on the other bridge, the two bridges are hinged, and the running trolley and the lifting trolley are hinged; a plurality of trolley pulleys are arranged on the lifting trolley, and a lifting sling is wound below the lifting trolley through a steel wire rope; a plurality of sling pulleys are arranged on the lifting sling; the movable pulley block is arranged on a running platform in a sliding manner and comprises a plurality of pulleys; the fixed pulley group comprises a plurality of pulleys; the corner wheel is arranged at the end part of a main beam of the crane; the hydraulic oil cylinder, the movable pulley block, the fixed pulley block, the corner wheel, the running trolley, the lifting trolley and the fixed bracket are connected into a whole through a steel wire rope. The cement prefabricated segment hoisting device is mainly applied to hoisting cement prefabricated segments inside a shield tunneling machine, serves the middle section of the shield tunneling machine, is responsible for hoisting the cement prefabricated segments from a segment transport trolley, and is placed on a segment transfer platform after horizontal movement.
Furthermore, three trolley pulleys are mounted on the lifting trolley, wherein two trolley pulleys are positioned on one side of the lifting trolley, and the other trolley pulley is positioned on the other side of the lifting trolley; the fixed pulley block comprises two pulleys; the movable pulley block comprises three pulleys; two lifting appliance pulleys are arranged on the lifting appliance; one end of the steel wire rope is fixed on the fixed support, and the other end of the steel wire rope is fixed on the fixed pulley block after the steel wire rope passes through the trolley pulley and the hanger pulley and is wound between the movable pulley block and the fixed pulley block.
Further, the threading and winding mode of the steel wire rope is as follows: the steel wire rope is led out from the fixed support to enter the double pulley side of the lifting trolley, penetrates through the lower part of the trolley pulley from the inner side of the upper guide wheel of the front trolley pulley, penetrates through the outer side of the lifting pulley from the center of the inner side positioning hole of the lifting pulley, penetrates through the outer side of the lifting pulley from the front part of the trolley pulley on the single pulley side of the lifting trolley, penetrates through the inner side of the lifting pulley from the outer side of the rear trolley pulley of the double pulley side of the lifting trolley, penetrates through the upper part from the lower part of the innermost pulley of the movable pulley block through a corner wheel and a rope supporting roller, penetrates through the lower part from the upper part of the inner pulley of the fixed pulley block, penetrates through the upper part from the lower part of the outer pulley of the fixed pulley block, penetrates through the upper part from the lower part of the outermost pulley of the movable.
Furthermore, the running platform is a rectangular plate and is slidably arranged between two side plates of the movable pulley block; the operation platform is installed on the bridge through a T-shaped supporting piece.
Furthermore, a group of rollers are arranged on the inner walls of the two side plates of the movable pulley block side by side, and the running platform is arranged between the rollers; the movable pulley block is inversely hung on the running platform through the roller or is arranged above the running platform.
Furthermore, the corner wheel is arranged on a wheel bracket, and a rope supporting roller is arranged on the wheel bracket; the wheel bracket comprises side plates and a vertical plate which are arranged at two ends of the corner wheel; the wheel support is fixed at the end part of the crane main beam through a vertical plate.
Further, still include the control system of loop wheel machine, control system includes: the electric cabinet drives and controls the running trolley, provides a power supply and a control signal for driving the running trolley, and generally adopts a festoon cable or a cable drum; the electric control box is in control connection with a control valve of the hydraulic oil cylinder; the hand operation or the remote controller provides control signals to the electric control box, and the electric control box transmits the obtained signals to a component to be controlled. The movable power supply part only needs to provide power and control for driving the running trolley, the hydraulic oil cylinder responsible for lifting is fixed on the bridge frame, and the hydraulic oil cylinder is directly connected with the control of the oil supply valve through a cable, so that fault points are reduced.
Furthermore, the electric cabinet is arranged on one side of the running trolley and is connected with a power supply.
Furthermore, the hydraulic oil cylinder is fixedly arranged on the bridge frame through a bolt; the length of the steel wire rope is changed by the extension of the hydraulic oil cylinder, so that the lifting and descending actions of the lifting sling are completed, the pulley trolley can run left and right in the full stroke, the steel wire rope enters from one side of the pulley and is output from the other side during running, the total length of the steel wire rope is not changed, and the sling can be kept still at the original position; the lifting mechanism and the operating mechanism are relatively independent and do not interfere with each other.
The utility model discloses following beneficial effect has:
1. the utility model has the advantages that the clearance size of the crane is obviously increased through the arrangement of the trolley pulley on the lifting trolley, the lifting requirement of more materials is met, and the clearance height is saved; the shield of same model constructs the organism, the utility model discloses can satisfy the handling requirement of more materials.
2. The utility model adopts the mode that the hydraulic cylinder drags the steel wire rope and the steel wire rope winding to realize the hoisting function of the crane; the self gravity of the movable pulley block is shared by the movable pulley running platform, so that the hydraulic oil cylinder only bears the tension along the telescopic direction of the oil cylinder; the selection of the load of the lifting appliance and the selection of the hydraulic oil cylinder are realized through the threading times of the steel wire rope between the pulley groups, the selectable range of the load capacity of the equipment is large, and the requirement of lifting the segments with larger weight can be met.
3. The utility model has compact structure, small required installation space, space for installing other devices, simple electrical principle, few fault points and easy maintenance; the installation and maintenance are convenient, the number of the easily damaged parts is small, the later maintenance cost is low, and the device can be applied to the shield machine and can also be used in other similar working conditions.
4. The utility model discloses a setting up of corner wheel and support rope roller makes the loop wheel can satisfy the turning requirement of shield structure machine itself, and support rope roller has effectively avoided wire rope flagging, also can prevent wire rope and corner wheel to take off, wire rope can not correctly reset when reverse turning simultaneously when the shield structure organism turns.
Of course, it is not necessary for any particular product to achieve all of the above-described advantages at the same time.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic structural view of the hydraulic dragging lifting type single-beam steel wire rope crane of the present invention;
fig. 2 is a schematic structural view of the hydraulic dragging lifting type single-beam steel wire rope crane of the present invention;
FIG. 3 is a schematic view of a wire rope threading manner in the present invention;
FIG. 4 is a schematic structural view of the movable pulley block of the present invention;
FIG. 5 is a schematic structural view of the movable pulley block of the present invention;
FIG. 6 is a schematic view of the fitting structure of the corner wheel and the wire rope of the present invention;
FIG. 7 is a schematic structural view of a corner wheel according to the present invention;
FIG. 8 is a schematic structural view of a corner wheel according to the present invention;
fig. 9 is a schematic structural view of the corner wheel of the present invention;
fig. 10 is a schematic view of the present invention lifting cement prefabricated segments inside the shield tunneling machine;
fig. 11 is a schematic view of the installation of the present invention in a shield tunneling machine;
fig. 12 is a schematic diagram of the hydraulic towing lifting type single-beam wire rope crane of the present invention;
fig. 13 is a schematic structural view of a control system of the hydraulic dragging lifting type single-beam wire rope crane of the present invention;
fig. 14 is a schematic view of a specific installation structure of the hydraulic dragging lifting type single-beam wire rope crane of the present invention;
fig. 15 is a schematic view of a specific installation structure of the hydraulic dragging lifting type single-beam wire rope crane of the present invention;
FIG. 16 is a schematic structural diagram of a control system of the chain hoist crane;
fig. 17 is a schematic diagram of the saved clearance dimension compared with the chain hoist of the present invention;
FIG. 18 is a schematic structural diagram of an endless chain hoist;
fig. 19 is a schematic structural view of a lifting part of the present invention;
FIG. 20 is a schematic view of a threading and unwinding manner of the steel wire rope according to the present invention;
in the drawings, the components represented by the respective reference numerals are listed below:
1-lifting trolley, 2-running trolley, 3-fixed pulley block, 4-running platform, 5-movable pulley block, 6-corner wheel, 7-lifting sling, 8-fixed support, 9-steel wire rope, 10-bridge frame, 11-crane beam, 12-hydraulic oil cylinder, 13-prefabricated pipe piece, 101-trolley pulley, 401-supporting piece, 601-rope supporting roller, 602-wheel support, 701-sling pulley, a-lifting part, b-running part and c-chain hoist.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.
In the description of the present invention, it is to be understood that the terms "open hole", "upper", "lower", "front", "rear", "top", "middle", "length", "inner", "outer", "side", "end", "side by side", "bottom", and the like, indicate positional or positional relationships, are merely for convenience in describing the present invention and to simplify the description, but do not indicate or imply that the referenced component or element must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.
Please refer to fig. 1-15:
the utility model relates to a hydraulic dragging lifting type single-beam steel wire rope crane, which comprises a hydraulic oil cylinder 12, a movable pulley block 5, a fixed pulley block 3, a corner wheel 6, a running trolley 2, a lifting trolley 1 and a fixed support 8 which are arranged in a straight line and are sequentially arranged on a track beam in the middle of a shield machine, wherein the fixed support 8 is arranged at the foremost end of a crane beam 11; the running trolley 2 and the lifting trolley 1 are hinged, the running trolley 2 is driven by a chain wheel, the space on two sides is not occupied, other equipment, pipelines, footpaths and the like can be conveniently installed on two sides of the shield machine body, the walking of the segment transporting trolley is not influenced below the shield machine body, and the hydraulic oil cylinder 12 is fixedly installed on the bridge frame 10 through bolts; the length of the steel wire rope 9 is changed by the extension of the hydraulic oil cylinder 12, so that the lifting and descending actions of the lifting sling 7 are completed, the pulley trolley can run left and right in the full stroke, the steel wire rope 9 enters from one side of the pulley and is output from the other side during running, the total length of the steel wire rope 9 is not changed, and the sling can be kept still at the original position; as shown in fig. 19, the hoisting mechanism and the running mechanism are relatively independent and do not interfere with each other.
As shown in fig. 1, 2, 6, 14 and 15, the hydraulic cylinder 12, the movable pulley block 5 and the fixed pulley block 3 are arranged on one section of bridge frame 10, the running tracks of the running trolley 2 and the lifting trolley 1 are arranged on the other section of bridge frame 10, and the two sections of bridge frames 10 are hinged with each other; the hydraulic oil cylinder 12, the movable pulley block 5, the fixed pulley block 3, the corner wheel 6, the running trolley 2, the lifting trolley 1 and the fixed bracket 8 are communicated into a whole through a steel wire rope 9. The cement prefabricated segment hoisting device is mainly applied to hoisting cement prefabricated segments 13 inside a shield machine, serves the middle section of the shield machine, is responsible for hoisting the cement prefabricated segments 13 from a segment transport trolley, and is placed on a segment transfer platform after horizontal movement.
As shown in fig. 1 and 2, a lifting sling 7 is threaded and wound under a lifting trolley 1 through a steel wire rope 9, three trolley pulleys 101 are mounted on the lifting trolley 1, wherein two trolley pulleys 101 are positioned at one side of the lifting trolley 1, and the other trolley pulley 101 is positioned at the other side of the lifting trolley 1; the fixed pulley group 3 comprises two pulleys; the movable pulley block 5 comprises three pulleys; two lifting appliance pulleys 701 are arranged on the lifting appliance 7; one end of a steel wire rope 9 is fixed on the fixed support 8, after the steel wire rope 9 passes through the trolley pulley 101 and the hanger pulley 701 and is wound between the movable pulley block 5 and the fixed pulley block 3, the other end of the steel wire rope 9 is fixed on the fixed pulley block 3; the pulley block is directly arranged on the lifting trolley 1, the steel wire rope 9 directly penetrates through the lifting sling 7 below the lifting trolley 1, the lifting clearance size is effectively saved, and the saved clearance size can be clearly seen from a comparison graph in fig. 17.
As shown in fig. 1 to 3, the threading and winding manner of the steel wire rope 9 is as follows: the steel wire rope 9 is led out from the fixed support 8 to enter the double pulley side of the lifting trolley 1, penetrates through the lower part of the trolley pulley 101 from the inner side of the upper guide wheel of the front trolley pulley 101, penetrates through the outer side of the lifting trolley 701 from the center of the positioning hole on the inner side of the lifting trolley 701, penetrates through the front part of the trolley pulley 101 on the single pulley side of the lifting trolley 1, penetrates through the inner side of the lifting trolley 701, penetrates through the upper part from the inner side of the rear trolley pulley 101 on the double pulley side of the lifting trolley 1, penetrates through the upper part from the lower part of the innermost pulley of the movable pulley block 5 through the corner wheel 6 and the rope supporting roller 601, penetrates through the upper part from the upper part of the inner pulley of the fixed pulley block 3, penetrates through the upper part from the lower part of the middle pulley of the movable pulley block 5, penetrates through the upper part from the upper part of the outer pulley of the outer, the selection of the load of the lifting appliance and the selection of the hydraulic oil cylinder 12 are realized through the penetration times of the steel wire rope 9 between the pulley groups, the selectable range of the load capacity of the equipment is large, and the lifting requirement of the duct piece with larger weight can be met; the purpose of increasing winding between the movable pulley block 5 and the fixed pulley block 3 is to reduce the stroke of the hydraulic oil cylinder 12 and improve the lifting speed; as shown in fig. 20, the rope outlet needs to ensure that the steel wire rope 9 and the fixing hole of the fixing support 8 are on the same straight line, a minimum safety margin of 30cm is reserved at the rope end of the other end, and the rope clamp is fixed on a single steel wire rope at the tail part, wherein the distance between the two rope clamps is about 8 cm.
As shown in fig. 1-2 and 4-5, the movable pulley block 5 is slidably disposed on a running platform 4, the running platform 4 is a rectangular plate, and the running platform 4 is slidably mounted between two side plates of the movable pulley block 5; the running platform 4 is installed on the bridge frame 10 through a T-shaped supporting piece 401, a group of rollers are installed on the inner walls of two side plates of the movable pulley block 5 side by side, and the running platform 4 is arranged between the rollers; the movable pulley block 5 is inversely hung on the running platform 4 through a roller or is arranged above the running platform 4, the running platform 4 is arranged above the movable pulley block 5, the arrangement mode that the movable pulley block 5 is hung below the running platform 4 through a small roller is adopted, and the running platform 4 can also be arranged below the movable pulley block 5 or at other positions according to actual needs to realize the same function; the movable pulley block 5 is hung upside down below the operation platform 4 and moves within the range of the operation platform 4, the hydraulic oil cylinder 12 only needs to bear the tension in the horizontal direction, and the gravity of the movable pulley block 5 is borne by the operation platform 4.
As shown in fig. 1-2 and 7-9, the corner wheel 6 is mounted at the end of the main beam of the crane, the corner wheel 6 is mounted on a wheel bracket 602, and a rope supporting roller 601 is mounted on the wheel bracket 602; the wheel bracket 602 comprises side plates and a vertical plate which are arranged at two ends of the corner wheel 6; the wheel support 602 is fixed at the tail part of the crane beam 11 through a vertical plate, the turning wheel 6 and the rope supporting roller 601 are arranged, so that the crane can meet the turning requirement of the shield machine, the rope supporting roller 601 effectively avoids the sagging of the steel wire rope 9, and meanwhile, the steel wire rope 9 can be prevented from being separated from the turning wheel 6 when the shield machine body turns, and the steel wire rope 9 can not be correctly reset when the reverse turning is prevented.
As shown in fig. 1-2 and 6, the design of the corner wheel 6 is mainly to prevent the interference between the steel wire rope 9 and the inner wall of the track when the shield tunneling machine turns; the shield machine needs to turn according to the route design requirement when tunneling, a hydraulic oil cylinder 12, a fixed pulley block 3 and a movable pulley block 5 of a single-beam steel wire rope crane are arranged on one bridge frame 10, a trolley running track is arranged on the other bridge frame 10, the bridge frames 10 are hinged, a certain angle can be formed between the bridge frame 10 and the bridge frame 10, a steel wire rope 9 is straightened into a straight line under the stress condition, and in order to prevent the steel wire rope 9 from interfering with a crane girder section bar web plate, the utility model discloses a special design of the end part of a crane girder is additionally provided with a corner wheel 6 and is provided with a rope supporting roller 601; wire rope 9 passes through from holding in the palm rope roller 601 top, because wire rope 9 one end is fixed on the fixed end of fixed bolster 8, the other end is fixed on the fixed pulley group 3, the centre is unsettled, under the action of gravity of wire rope 9 self, wire rope 9 can flagging, hold in the palm rope roller 601 and effectively avoided wire rope 9 flagging, also can prevent wire rope 9 and corner wheel 6 to break away when the shield constructs the organism and leave simultaneously, wire rope can not correctly reset when reverse turn, as shown in fig. 6:
in the simplified overhead view of the bridge, the bridge 10 is divided into two parts, the middle part is hinged, when the bridge 10 advances in the direction shown by the arrow in the figure and turns left, an angle is formed between the front and rear bridge 10, the overhead view of ① is the relative position of the crane beam 11 at this time, the front and rear crane beams 11 are also formed with a certain angle (the crane beam 11 is fixed at the middle position of the upper part of the bridge 10), and the fixing points at the two sides of the wire rope 9 are relatively fixed, so that the transition through the corner wheel 6 is required to realize the angular arrangement of the wire rope 9 attached to the crane beam 11 without interference with the crane beam 11, otherwise, when the bridge 10 turns right, as shown in the overhead view of ②, the wire rope 9 starts to be far away from the crane beam 11, the rope supporting roller 601 is required to support the wire rope 9 to prevent the sagging, the horizontal position of the wire rope 9 is kept unchanged, and the wire rope 9 can be restored to be correctly attached to the corner wheel 6 to restore the state shown in the diagram of ① when the overhead view of the bridge 10 turns left again, and the overhead view of the wire rope ③ shows the sagging state.
As shown in fig. 13, the system further includes a control system of the crane, and the control system includes: the electric cabinet is arranged on one side of the running trolley 2, a main power supply is connected into the electric cabinet, the electric cabinet drives and controls the running trolley 2, and the electric cabinet provides a power supply and a control signal for the running driving of the trolley, and generally adopts a festoon cable or a cable reel; wherein, the electric cabinet is in control connection with a control valve of the hydraulic oil cylinder 12; the hand operation or the remote controller provides control signals to the electric control box, and the electric control box transmits the obtained signals to components needing to be controlled. The movable power supply part only needs to provide power and control for driving the running trolley 2, the hydraulic oil cylinder 12 responsible for lifting is fixed on the bridge frame 10, and the cable is directly connected with the control of the oil supply valve in the past, so that the fault points are reduced.
Wherein as shown in fig. 13, the broken line part is portable cable, the utility model discloses a single beam wire rope loop wheel machine only need two travelling cable can, and the chain block loop wheel machine needs 4 travelling cable (as shown in fig. 16), and the structure is complicated relatively, and the fault point is corresponding to be increased.
The specific implementation mode is as follows:
the technical parameter-the single-beam steel wire rope crane parameter with 10 tons of load/3 meters of lift is used as an example: selecting a single steel wire rope stressed by 2.5 tons, wherein the horizontal tension at the fixed end of the fixed support is 2.5 tons, and the total number of the steel wire ropes on the lifting sling is 4, so that the load strength can reach 2.5 x 4 to 10 tons, after the lifting sling and the steel wire rope of the lifting small workshop are threaded and wound, the single steel wire rope is output from the upper part of the other pulley on the double pulley side of the lifting trolley, the tension required to be borne by the steel wire rope is still 2.5 tons, then the steel wire rope firstly enters the movable pulley block, the threading and winding of the steel wire ropes between the movable pulley block and the fixed pulley block are sequentially completed according to the drawing shown in figure 3, finally the steel wire rope is fixed on the fixed pulley block, the total number of the steel wire ropes on the movable pulley block is 6, and the total; the lifting appliance needs to lift 3 meters, because the lifting appliance is provided with 4 ropes, the distance that a single steel wire rope needs to move is 4 x 3-12 meters, the movable pulley block and the fixed pulley block move relatively, and the total number of the ropes is 6, so that the distance that the movable pulley block needs to move is 12/6-2 meters;
and finally selecting a hydraulic oil cylinder with 15 tons of pulling force and 2 meters of moving stroke.
When the lifting appliance works, the hydraulic oil cylinder 12 extends out to drive the movable pulley block 5 to be close to the fixed pulley block 3, the distance between the two groups of pulleys is shortened, the steel wire rope 9 between the pulleys is shortened, the steel wire rope 9 is output rightwards, the lifting appliance descends, otherwise, the lifting appliance ascends, and the lifting operation is completed.
Because the restriction of the size of the chain hoist itself, the biggest tonnage of standard two chain hoist can only reach 5 tons, and the utility model discloses a single beam wire rope loop wheel machine then does not receive this restriction, only needs increase wire rope 9 diameters, and the increase pulley diameter is changed high-power hydraulic cylinder 12 can.
Preferably, in the embodiment, two hanger pulleys 701 are used for the lifting hanger 7, and different lifting speeds and load capacities can be selected by increasing or decreasing the number of the hanger pulleys 701 according to actual needs; in the embodiment, 3 pulleys are used for the movable pulley block, 2 pulleys are used for the fixed pulley block, and according to actual needs, the design requirements of different loads can be met by increasing or decreasing the number of the pulleys, so that the hydraulic oil cylinder with corresponding pressure is selected; the running platform is arranged above the movable pulley block, the movable pulley block is hung below the running platform by rollers, and the movable pulley platform can be arranged below the movable pulley block or at other positions according to actual needs, so that the realized functions are the same; the position of the corner wheel adopts the arrangement form of a vertical corner wheel and a horizontal rope supporting roller, and the function of limiting the position of the steel wire rope in the scheme can be realized by the arrangement form of a circular ring or a plurality of pulleys.
In the description herein, references to the description of "one embodiment," "an example," "a specific example," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The preferred embodiments of the present invention disclosed above are intended only to help illustrate the present invention. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and its practical applications, to thereby enable others skilled in the art to best understand the invention for and utilize the invention. The present invention is limited only by the claims and their full scope and equivalents.
Claims (9)
1. The utility model provides a hydraulic pressure drags formula monospar wire rope loop wheel machine that rises which characterized in that includes:
the hydraulic oil cylinder (12), the movable pulley block (5), the fixed pulley block (3), the corner wheel (6), the running trolley (2), the lifting trolley (1) and the fixed support (8) are arranged in a straight line and are sequentially arranged on a track beam in the middle of the shield tunneling machine;
the hydraulic oil cylinder (12), the movable pulley block (5) and the fixed pulley block (3) are arranged on one bridge frame (10), the running tracks of the running trolley (2) and the lifting trolley (1) are arranged on the other bridge frame (10), the two bridge frames (10) are hinged, and the running trolley (2) and the lifting trolley (1) are hinged;
a plurality of trolley pulleys (101) are arranged on the lifting trolley (1), and a lifting sling (7) is wound under the lifting trolley (1) through a steel wire rope (9);
a plurality of sling pulleys (701) are arranged on the lifting sling (7);
the movable pulley block (5) is arranged on a running platform (4) in a sliding manner, and the movable pulley block (5) comprises a plurality of pulleys;
the fixed pulley block (3) comprises a plurality of pulleys;
the corner wheel (6) is arranged at the end part of a main beam of the crane;
the hydraulic oil cylinder (12), the movable pulley block (5), the fixed pulley block (3), the corner wheel (6), the running trolley (2), the lifting trolley (1) and the fixed support (8) are communicated into a whole through a steel wire rope (9).
2. The hydraulic towing-lifting type single-beam wire rope crane according to claim 1, characterized in that:
three trolley pulleys (101) are arranged on the lifting trolley (1), wherein two trolley pulleys (101) are positioned on one side of the lifting trolley (1), and the other trolley pulley (101) is positioned on the other side of the lifting trolley (1);
the fixed pulley block (3) comprises two pulleys;
the movable pulley block (5) comprises three pulleys;
two lifting appliance pulleys (701) are arranged on the lifting appliance (7);
one end of the steel wire rope (9) is fixed on the fixed support (8), and the other end of the steel wire rope (9) is fixed on the fixed pulley block (3) after the steel wire rope (9) penetrates through the trolley pulley (101) and the lifting appliance pulley (701) and is wound between the movable pulley block (5) and the fixed pulley block (3).
3. The hydraulic dragging and lifting type single-beam steel wire rope crane according to claim 2, wherein the steel wire rope (9) is threaded and wound in a mode that:
the steel wire rope (9) is led out from the fixed support (8) to enter the double pulley side of the lifting trolley (1), penetrates through the lower part of the trolley pulley (101) from the inner side of the upper guide wheel of the front trolley pulley (101), penetrates through the lower part of the trolley pulley (101) from the inner side of the positioning hole of the inner side of the lifting pulley (701), penetrates through the outer side of the lifting pulley (701), penetrates through the upper part from the inner side of the rear trolley pulley (101) from the double pulley side of the lifting trolley (1), penetrates through the upper part from the lower part of the innermost pulley of the movable pulley block (5) through the corner wheel (6) and the rope supporting roller (601), penetrates through the upper part from the upper part of the inner pulley of the fixed pulley block (3), penetrates through the lower part from the lower part of the middle pulley of the movable pulley block (5), penetrates through the upper part from the upper part of the outer pulley of the fixed pulley block (3) and penetrates through the, The lower part of the outermost pulley of the movable pulley block (5) penetrates through the upper part and penetrates out of the lower part of the outermost pulley, and the end part of the steel wire rope (9) is fixed on a wedge sleeve of a side plate of the fixed pulley block (3).
4. The hydraulic dragging and lifting type single-beam steel wire rope crane according to claim 1, wherein the operation platform (4) is a rectangular plate, and the operation platform (4) is slidably installed between two side plates of the movable pulley block (5); the running platform (4) is installed on the bridge (10) through a T-shaped support (401).
5. The hydraulic tow-lift single beam wire rope hoist of claim 4, wherein:
a group of rollers are arranged on the inner walls of the two side plates of the movable pulley block (5) side by side, and the running platform (4) is arranged between the rollers;
the movable pulley block (5) is inversely hung on the running platform (4) through a roller or is arranged above the running platform (4).
6. The hydraulic towing-lifting type single-beam wire rope crane according to claim 1, characterized in that:
the corner wheel (6) is arranged on a wheel bracket (602), and a rope supporting roller (601) is arranged on the wheel bracket (602);
the wheel bracket (602) comprises side plates and a vertical plate which are arranged at two ends of the corner wheel (6);
the wheel support (602) is fixed at the end part of the crane main beam through a vertical plate.
7. The hydraulic tow hoist mono-beam wire rope hoist as claimed in claim 1, further comprising a control system for the hoist, the control system comprising:
the electric cabinet drives and controls the running trolley (2);
the electric control box is in control connection with a control valve of the hydraulic oil cylinder (12);
and the manual operation and the remote controller are electrically connected with the electric cabinet.
8. The hydraulic dragging and lifting type single-beam steel wire rope crane according to claim 7, wherein the electric control box is installed on one side of the running trolley (2), and the electric control box is connected with a power supply.
9. The hydraulic drag lift mono-beam wire rope hoist according to claim 1, characterized in that the hydraulic cylinder (12) is fixedly mounted on the bridge (10) by bolts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921332963.6U CN210286533U (en) | 2019-08-16 | 2019-08-16 | Hydraulic dragging lifting type single-beam steel wire rope crane |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921332963.6U CN210286533U (en) | 2019-08-16 | 2019-08-16 | Hydraulic dragging lifting type single-beam steel wire rope crane |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210286533U true CN210286533U (en) | 2020-04-10 |
Family
ID=70062629
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921332963.6U Active CN210286533U (en) | 2019-08-16 | 2019-08-16 | Hydraulic dragging lifting type single-beam steel wire rope crane |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210286533U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110371860A (en) * | 2019-08-16 | 2019-10-25 | 苏州必艾姆起重设备有限公司 | A kind of hydraulic towing lifting single-beam wirerope loop wheel machine |
-
2019
- 2019-08-16 CN CN201921332963.6U patent/CN210286533U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110371860A (en) * | 2019-08-16 | 2019-10-25 | 苏州必艾姆起重设备有限公司 | A kind of hydraulic towing lifting single-beam wirerope loop wheel machine |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN110104522B (en) | Traction type construction lifter for folding roof beam and construction method thereof | |
| CN102285583A (en) | Residual soil tipping device | |
| CN210286533U (en) | Hydraulic dragging lifting type single-beam steel wire rope crane | |
| CN106320772A (en) | Vehicle clamping mechanism for intelligent stereoscopic parking garage | |
| CN201713229U (en) | Steel box girder cable-loaded crane for suspension bridge construction | |
| CN204727421U (en) | A kind of metal pipe material hanging device | |
| CN101863423B (en) | Steel box beam cable carrying lifter for construction of suspension bridge | |
| CN210286532U (en) | Hydraulic dragging lifting type double-beam steel wire rope crane | |
| CN110723645A (en) | Integrated box-type track beam closed chain driving steel wire rope single-beam crane | |
| CN205045732U (en) | Portable lifting device | |
| CN203626220U (en) | Lifting type material platform | |
| CN104627885A (en) | Guiding device for optimizing steel wire rope elevation angle | |
| CN211056538U (en) | Integrated box-type track beam closed chain driving steel wire rope single-beam crane | |
| CN110040583A (en) | A kind of planer-type great diameter and long rope pulls take-up and pay-off device | |
| CN209242547U (en) | Single drum rubbish hangs structure | |
| CN205636494U (en) | HZQY900 type fortune frame all -in -one | |
| CN106437243B (en) | A kind of intelligent stereo garage vehicle clamping device | |
| CN201433064Y (en) | Lifting mechanism for a multiple-lifting-lug hoisting machine | |
| CN210340178U (en) | Low-clearance three-in-one internal translation electric hoist | |
| CN204569122U (en) | Building tower crane cargo hook gear | |
| CN109132906B (en) | Lifting balance energy storage device of crane lifting mechanism | |
| CN201660377U (en) | Special gantry crane for overlength and large-tonnage parts | |
| CN201648524U (en) | Steel strand wire rod pickling line bridge self-propelled trolley device | |
| CN202969275U (en) | Bridge erection machine | |
| WO2020224047A1 (en) | Moving wire rope reeving system and moving mechanism for external lower trolley of conventional quay crane |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |