CN217998994U - Floor type storage tank U-shaped vertical prestressed steel strand pulling device - Google Patents
Floor type storage tank U-shaped vertical prestressed steel strand pulling device Download PDFInfo
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- CN217998994U CN217998994U CN202222479673.2U CN202222479673U CN217998994U CN 217998994 U CN217998994 U CN 217998994U CN 202222479673 U CN202222479673 U CN 202222479673U CN 217998994 U CN217998994 U CN 217998994U
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- steel wire
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Abstract
The utility model provides a device is worn to restraint by vertical prestress wire of console mode storage tank U type, include: a first hanger and a second hanger; a fixed pulley is arranged at the top end of the first hanging bracket, a guide wheel is arranged on the side surface of the first hanging bracket, a first winch is arranged at a position which is a certain distance away from the first hanging bracket, a first steel wire rope is arranged on the first winch, and the first steel wire rope sequentially bypasses the guide wheel and the fixed pulley and then vertically falls down; a second winch is installed at the top end of the second hanger frame, a second steel wire rope vertically falls down from the second winch, the second steel wire rope penetrates through the first vertical corrugated pipe, the U-shaped pipe and the second vertical corrugated pipe and then is connected with the first steel wire rope, and the steel strand bundle penetrating construction is achieved by drawing the first steel wire rope; the problems that the current vertical prestressed steel strand is large in strand pulling difficulty, large in operation risk, large in labor intensity of constructors and the like are solved, and the purposes of optimizing the overall construction period and maximizing the economic benefit are achieved.
Description
Technical Field
The utility model belongs to the technical field of draw gear, concretely relates to vertical prestress wire of console mode storage tank U type wears to restraint device.
Background
The outer tank wall of the large-scale full-capacity low-temperature storage tank which is built at present adopts a post-tensioning prestressed reinforced concrete structure, vertical and annular corrugated pipes need to be pre-embedded in the concrete tank wall in advance, and after the construction of the tank wall is completed completely and the concrete strength meets the design requirements, the construction of penetrating, tensioning, grouting and the like of vertical and annular prestressed steel strands can be carried out according to the process sequence. The construction of the vertical prestress of the outer tank of the floor-type low-temperature storage tank is different from that of an overhead storage tank, U-shaped pipes are installed in an outer tank bottom plate of the floor-type storage tank, and each U-shaped pipe is connected with two vertical corrugated pipes to form a group. Taking a full-capacity LNG storage tank with a capacity of 20 x 104m & lt 3 & gt as an example, 56U-shaped pipes are arranged on a bottom plate of a single storage tank and are connected with 112 vertical corrugated pipes, and 19 steel strands are arranged in each pipe. If only a strand pulling machine is adopted for pulling the steel strands, only one steel strand can be pulled at a time, and due to the bending of the U-shaped pipe at the bottom, the position of each steel strand in the corrugated pipe is disordered and the friction accumulation between the steel strands and the corrugated pipe, the pulling of all the steel strands in a single corrugated pipe is difficult to smoothly complete; the problems that the difficulty of penetrating the vertical prestressed steel strands is high, the operation risk is high, the labor intensity of constructors is high and the like exist at present.
Therefore, how to ensure that all steel strands in each corrugated pipe are smoothly threaded is a difficult problem to be solved, and the problem is that the structure is firm and the movement is flexible so as to ensure safe construction.
SUMMERY OF THE UTILITY MODEL
In order to solve the problem, the utility model adopts the following technical scheme: the utility model provides a floor type storage tank U type vertical prestress wire pulling device, includes: a first hanger and a second hanger;
a fixed pulley is arranged at the top end of the first hanging bracket, a guide wheel is arranged on the side surface of the first hanging bracket, a first winch is arranged at a position which is a certain distance away from the first hanging bracket, a first steel wire rope is arranged on the first winch, and the first steel wire rope sequentially bypasses the guide wheel and the fixed pulley and then vertically falls down;
a second winch is installed at the top end of the second hanging bracket, a second steel wire rope vertically falls down on the second winch, and the second steel wire rope penetrates through the first vertical corrugated pipe, the U-shaped pipe and the second vertical corrugated pipe and then is connected with the first steel wire rope; the first steel wire rope is also provided with a conical traction head, the conical traction head is used for forming the medium wires of the single steel stranded wires into a group of steel stranded wire bundles, and the steel stranded wire bundles are pulled to realize bundle penetrating construction.
Further, the first hanger is higher than the second hanger.
Further, the fixed pulley is installed at the top of the first hanging bracket through a hanging ring.
Further, the guide wheel is installed at one side below the first hanging bracket.
Further, the first hoist is installed in a region parallel to the first hanger.
Furthermore, first gallows is frame rack construction, is equipped with four montants that are the quadrangle, connects a plurality of crossbeams between two adjacent montants.
Furthermore, a plurality of inclined struts are arranged between the top cross beam and the cross beam closest to the top.
Furthermore, the second hanging bracket is of a frame structure and is provided with four quadrangular vertical rods, and a plurality of cross beams are connected between the two connected vertical rods.
Furthermore, a plurality of cross beams are connected between two connected vertical rods, and an inclined strut is arranged between every two cross beams.
Furthermore, the first winch is a large-scale winch and adopts a model jm5T-jm 30T.
Compared with the prior art, the beneficial effects of the utility model are that:
1. the utility model provides a console mode storage tank U type vertical prestress steel strand pulling device, utilize the toper pull head to make up a set of steel strand bundle with the well silk of the steel strand of regulation quantity in the single channel vertical bellows, drive the recovery of second wire rope through the second hoist engine, make second wire rope drive behind first wire rope pass second vertical bellows, U type pipe and first vertical bellows to the first vertical bellows top, after installing the steel strand bundle through the toper pull head, drive the recovery of first wire rope through the first hoist engine, the first wire rope drives behind the steel strand bundle passing first vertical bellows, U type pipe and second vertical bellows to the second vertical bellows top, so as to realize the construction of pulling through of steel strand; the problems that the current vertical prestressed steel strand is large in strand pulling difficulty, large in operation risk, large in labor intensity of constructors and the like are solved, and the optimization of the overall construction period and the maximization of economic benefits are achieved.
2. The utility model discloses a set up the gallows of two different specifications of a height, one big two hoists of a little and partial wire rope, wherein high gallows is as main gallows, upper portion crossbeam installation fixed pulley, lower part installation leading wheel, be used as big hoist engine wire rope's direction, big hoist engine wire rope is used for pulling the steel strand bundle, the cooperation is assisted to short gallows, the little hoist engine of upper portion crossbeam installation, be used for pulling big hoist engine wire rope, whole structure sets up simple rationally, lay and the transportation is convenient, be particularly suitable for the job site construction, it is reliable and convenient, can guarantee that all steel strands in every ripple pipe wear to restraint smoothly, it is firm still to want the structure, it is nimble in order to guarantee safe construction to remove, be favorable to popularization and application.
Advantages of additional aspects of the invention will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention.
In order to make the aforementioned and other objects, features and advantages of the present invention comprehensible, preferred embodiments accompanied with figures are described in detail below.
Drawings
The accompanying drawings, which form a part of the specification, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention without unduly limiting the scope of the invention.
Fig. 1 is a schematic structural view of a first hanger of the steel strand pulling device of the present invention;
fig. 2 is a schematic structural view of a second hanger of the steel strand pulling device of the present invention;
fig. 3 is a schematic perspective view of a second hanger of the steel strand pulling device of the present invention;
fig. 4 is a schematic perspective view of a first hanger of the steel strand pulling device of the present invention;
in the figure: 1 large-scale windlass; 2, a guide wheel; 3, fixing a pulley; 4, steel wire ropes; 5, hanging rings; 6, steel wire ropes; 7 small-sized windlass.
Detailed Description
The present invention will be further explained with reference to the accompanying drawings and examples.
It should be noted that the following detailed description is exemplary and is intended to provide further explanation of the invention. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs.
It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments in accordance with the invention. As used herein, the singular forms "a", "an", and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.
The first embodiment is as follows:
as shown in fig. 1 to 4, this embodiment provides a floor type storage tank U-shaped vertical prestressed steel strand pulling device, including: a first hanger and a second hanger;
a fixed pulley is arranged at the top end of the first hanging bracket, a guide wheel is arranged on the side surface of the first hanging bracket, a first winch is arranged at a position which is a certain distance away from the first hanging bracket, a first steel wire rope is arranged on the first winch, and the first steel wire rope sequentially bypasses the guide wheel and the fixed pulley and then vertically falls down;
a second winch is installed at the top end of the second hanging bracket, a second steel wire rope vertically falls down on the second winch, and the second steel wire rope penetrates through the first vertical corrugated pipe, the U-shaped pipe and the second vertical corrugated pipe and then is connected with the first steel wire rope; the first steel wire rope is further provided with a conical traction head, the conical traction head is used for forming a set of steel strand bundles by using the medium wires of the steel strands with specified quantity in the single vertical corrugated pipe, the second winch drives the second steel wire rope to recover, the second steel wire rope drives the first steel wire rope to penetrate through the second vertical corrugated pipe, the U-shaped pipe and the first vertical corrugated pipe are arranged above the first vertical corrugated pipe, after the steel strand bundles are installed through the conical traction head, the first winch drives the first steel wire rope to recover, the first steel wire rope drives the steel strand bundles to penetrate through the first vertical corrugated pipe, the U-shaped pipe and the second vertical corrugated pipe are arranged above the second vertical corrugated pipe, and bundle penetrating construction of the steel strands is achieved.
As an embodiment, the conical traction head is conical, and a plurality of steel strand installation holes are formed in the conical traction head, so that a steel strand bundle is formed after a single steel strand is installed; the center of the conical traction head is also provided with a through hole, the through hole is used for connecting a first steel wire rope, and the first steel wire rope can be fixed on the first steel wire rope by using a fastener.
As an embodiment, the first hanger is higher than the second hanger, the first hanger can be 3-5M, and the second hanger can be 1-2M.
In one embodiment, the first winch is a large winch, the large winch can be a jm5T-jm30T type, the second winch is a small winch, and the small winch can be a jm0.5T type winch.
In one embodiment, the fixed pulley is mounted on the top of the first hanger through a hanging ring.
In one embodiment, the guide wheel is installed at one side below the first hanger, and the first winch is installed in a region parallel to the first hanger, which may be the ground.
As an implementation mode, first gallows is frame rack construction, and it is equipped with four montants that are tetragonal, connects a plurality of crossbeams between two adjacent montants, sets up a plurality of bracing between top crossbeam and the crossbeam nearest apart from the top to consolidate.
As an implementation mode, the second hanging bracket is also of a frame structure, and is provided with four quadrangular vertical rods, a plurality of cross beams are connected between two connected vertical rods, and an inclined strut is arranged between every two cross beams for reinforcement.
The working process of the floor type storage tank U-shaped vertical prestressed steel strand pulling device of the embodiment is as follows:
the method comprises the following steps: leading out a first steel wire rope 4 of the first winch 1, passing through the lower part of the guide wheel 2, and then passing through a fixed pulley 3 hung on a beam hanging ring 5 at the upper part of the first hanging bracket;
step two: connecting a second steel wire rope 6 of a second winch 7 with an iron wire reserved in the first vertical corrugated pipe, drawing the iron wire to introduce the second steel wire rope 6 into the first vertical corrugated pipe, and leading out from the second vertical corrugated pipe at the other end of the U shape (the inner part is reserved with the iron wire and connected);
step three: a second steel wire rope 6 led out from the second vertical corrugated pipe is connected with a first steel wire rope 4 passing through a fixed pulley 3;
step four: starting a second winch 7 to recover a second steel wire rope 6, introducing the first steel wire rope 4 into a second vertical corrugated pipe, penetrating through a bottom plate U-shaped pipe and then leading out from the first vertical corrugated pipe at the other end;
step five: forming a group of steel strand bundles by medium wires of a specified number of steel strands in a single vertical corrugated pipe through a conical traction head;
step six: connecting a conical traction head to the first steel wire rope 4;
step seven: and starting the large-scale winch 1, recovering the first steel wire rope 4, introducing a group of steel strand bundles connected with the first steel wire rope into the first vertical corrugated pipe, penetrating through the bottom plate U-shaped pipe, and then leading out the steel strand bundles from the second vertical corrugated pipe at the other end.
Although the present invention has been described with reference to the accompanying drawings, it is not intended to limit the scope of the present invention, and those skilled in the art should understand that various modifications or variations that can be made by those skilled in the art without inventive work are still within the scope of the present invention.
Claims (10)
1. The utility model provides a floor type storage tank U type vertical prestress wire wears to restraint device which characterized in that includes: a first hanger and a second hanger;
a fixed pulley is arranged at the top end of the first hanging bracket, a guide wheel is arranged on the side surface of the first hanging bracket, a first winch is arranged at a position which is a certain distance away from the first hanging bracket, a first steel wire rope is arranged on the first winch, and the first steel wire rope sequentially bypasses the guide wheel and the fixed pulley and then vertically falls down;
a second winch is installed at the top end of the second hanging bracket, a second steel wire rope vertically falls down from the second winch, and the second steel wire rope penetrates through the first vertical corrugated pipe, the U-shaped pipe and the second vertical corrugated pipe and then is connected with the first steel wire rope; the first steel wire rope is also provided with a conical traction head, the conical traction head is used for forming the medium wires of the single steel stranded wires into a group of steel stranded wire bundles, and the steel stranded wire bundles are pulled to realize bundle penetrating construction.
2. The console mode storage tank U-shaped vertical prestressed steel strand pulling device as claimed in claim 1, wherein said first hanger is higher than said second hanger.
3. The floor standing storage tank U-shaped vertical prestressed steel strand pulling device as claimed in claim 1, wherein said fixed pulley is mounted on top of the first hanger by means of a hanging ring.
4. The console mode storage tank U-shaped vertical prestressed steel strand pulling device as claimed in claim 1, wherein said guide wheel is installed at one side below the first hanging bracket.
5. The console mode storage tank U-shaped vertical prestressed steel strand pulling device as claimed in claim 1, wherein said first winch is installed in an area parallel to the first hanger.
6. The floor type storage tank U-shaped vertical prestressed steel strand pulling device as claimed in claim 1, wherein said first hanging bracket is of a frame structure and is provided with four vertical rods having a quadrilateral shape, and a plurality of cross beams are connected between two adjacent vertical rods.
7. The floor standing storage tank U-shaped vertical prestressed steel strand pulling device as claimed in claim 6, wherein a plurality of braces are provided between the top beam and the beam closest to the top.
8. The U-shaped vertical prestressed steel strand pulling device for floor-type storage tanks as claimed in claim 1, wherein the second hanging bracket is of a frame-type structure, and is provided with four quadrangular vertical rods, and a plurality of cross beams are connected between two connected vertical rods.
9. The U-shaped vertical prestressed steel strand pulling device for floor-type storage tanks as claimed in claim 8, wherein a plurality of cross beams are connected between two connected vertical rods, and an inclined strut is provided between each two cross beams.
10. The floor type storage tank U-shaped vertical prestressed steel strand pulling device as claimed in claim 1, wherein the first winch is a large-sized winch adopting a model jm5T-jm 30T.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222479673.2U CN217998994U (en) | 2022-09-19 | 2022-09-19 | Floor type storage tank U-shaped vertical prestressed steel strand pulling device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222479673.2U CN217998994U (en) | 2022-09-19 | 2022-09-19 | Floor type storage tank U-shaped vertical prestressed steel strand pulling device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217998994U true CN217998994U (en) | 2022-12-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222479673.2U Active CN217998994U (en) | 2022-09-19 | 2022-09-19 | Floor type storage tank U-shaped vertical prestressed steel strand pulling device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217998994U (en) |
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- 2022-09-19 CN CN202222479673.2U patent/CN217998994U/en active Active
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