CN218058154U - Simple post-tensioning method jack mounting and positioning device for prestress construction - Google Patents
Simple post-tensioning method jack mounting and positioning device for prestress construction Download PDFInfo
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- CN218058154U CN218058154U CN202221992802.1U CN202221992802U CN218058154U CN 218058154 U CN218058154 U CN 218058154U CN 202221992802 U CN202221992802 U CN 202221992802U CN 218058154 U CN218058154 U CN 218058154U
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- jack
- supporting
- post
- tensioning
- chain block
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- 230000008520 organization Effects 0.000 description 2
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Abstract
The utility model discloses a simple and easy post-tensioning prestressing force is jack installation device of taking one's place for the supplementary hoist and mount of post-tensioning prestressing force construction jack, include: the supporting device is used for supporting and installing the jack hoisting guide device; the jack hoisting guide device is arranged on the supporting device in a back-and-forth sliding manner; the fixed end of the connecting member is respectively connected to two sides of the jack hoisting guide device, and the working end of the connecting member is sleeved on the chain block in a penetrating manner; the chain block is used for hanging the jack. The utility model discloses the structure is simple and easy, novel in design is reasonable, has solved the artifical installation jack degree of difficulty in the post-tensioned prestressing force work progress big, dangerous high, ann tears the in-process and needs lifting device to last the complex problem open, and can effectively improve work efficiency and reduce construction cost under the prerequisite of guaranteeing safety.
Description
Technical Field
The utility model relates to a device, specificly relate to a jack installation device of taking one's place for simple and easy post-tensioning prestressing force construction, be applicable to the installation that large-tonnage jack weight is big in precast beam field and the construction of cast-in-place roof beam post-tensioning prestressing force is taken one's place mainly, belong to construction articles for use technical field.
Background
Generally, at present, the engineering construction in China is rapidly developed, post-tensioning prestressing technology is generally adopted in high pier large span prestressed bridge engineering, and post-tensioning prestressing components are often positioned at the high altitude of dozens of meters or even hundreds of meters; the prestressed component generally adopts a plurality of bundles of steel strands and a plurality of steel strands in a single bundle, each bundle (hole) needs to be synchronously prestressed by adopting a large-tonnage jack, the weight of the large-tonnage jack generally reaches more than 200Kg, the difficulty is high when the jack is manually installed at a high place, the danger is high, the hoisting equipment is generally adopted to assist manual installation in the past, a crane needs to be continuously matched in the installation and disassembly process, and the use cost of the machinery is not favorable for saving. According to the field construction practice for many years, the simple device can be used for smoothly and accurately installing the jack in place by only two workers, and a crane is not required to be continuously matched in the installation process, so that the simple device has important practical significance for construction safety and cost saving.
Therefore, the key point for solving the technical problems is to develop a simple post-tensioning prestress construction jack installation and positioning device with strong practicability and high working reliability.
Disclosure of Invention
To a great deal of defect and not enough that exist among the above-mentioned background art, the utility model discloses improve and innovate this, aim at provides a structure simple and easy, novel in design is reasonable, has solved that the artifical installation jack degree of difficulty is big in the post-tensioned prestressing force work progress, dangerous high, ann tears the in-process and needs lifting device to last the complex problem, and can effectively improve work efficiency and reduce construction cost under the prerequisite of guaranteeing safety.
In order to solve the above problems and achieve the above objects, the present invention provides a jack mounting and positioning device for pre-stressed construction by simple post-tensioning method, which is realized by adopting the following design structure and the following technical solutions:
the utility model provides a simple and easy post-tensioning prestressing force is jack installation device of taking one's place for the supplementary hoist and mount of post-tensioning prestressing force construction jack, include:
the supporting device (1) is used for supporting and installing the jack hoisting guide device (2);
the jack hoisting guide device (2), the jack hoisting guide device (2) is arranged on the support device (1) in a reciprocating sliding manner;
the fixed end of the connecting component (3) is respectively connected to two sides of the jack hoisting guide device (2), and the working end of the connecting component (3) is sleeved on the chain block (4) in a penetrating manner;
the chain block (4), the chain block (4) is used for hanging the jack (6).
Preferably, the support device (1) comprises:
the supporting platform (11), the supporting platform (11) is square steel which is arranged oppositely;
the guide rail (12), the guide rail (12) is connected between two square steels, the jack hoists the guider (2) and slides back and forth in the guide rail (12);
the supporting legs (13), two liang of symmetry of supporting leg (13) connect in the bottom both sides of supporting platform (11).
Preferably, the guide rail (12) is integrally a U-shaped channel or a C-shaped channel with a downward opening.
Preferably, one side of the U-shaped channel steel or the C-shaped channel steel is connected with the inner side wall of one of the square steels, and the other side of the U-shaped channel steel or the C-shaped channel steel is connected with the inner side wall of the other square steel.
Preferably, the support legs (13) are telescopic support legs.
Preferably, the telescopic support leg comprises:
the telescopic pipe is used for installing the supporting upright post;
the supporting upright post is installed in the telescopic sleeve in a plugging mode, goes back and forth in the telescopic sleeve and is fastened into a whole through the locking assembly.
Preferably, the method further comprises the following steps:
and the moving devices (5) are symmetrically arranged on two sides of the supporting device (1) in pairs.
Preferably, the four moving devices (5) are respectively and detachably mounted at the bottoms of the four supporting legs (13);
the moving device (5) is a universal wheel or a directional wheel, and a brake device matched with the universal wheel or the directional wheel to complete work is arranged on the universal wheel or the directional wheel.
Preferably, the jack lifting guide device (2) comprises:
the connecting shaft (21), the connecting shaft (21) is used for installing the walking member (22);
the walking component (22), the walking component (22) is sleeved in the middle of the connecting shaft (21).
Preferably, an injection molding layer, an anti-rust layer, a waterproof layer and a warning layer are sequentially arranged on the outer surfaces of the supporting device (1), the jack hoisting guide device (2) and the connecting member (3) from inside to outside, and fluorescent powder is coated on the warning layer.
The working principle is as follows: the jack installation device of taking one's place for simple and easy post-tensioning prestressing force construction of above-mentioned project organization only needs constructor to carry it to appointed construction position through corresponding haulage equipment or directly through the manual work and installs and wait for the use before using.
The moving device (5) is convenient to move to the position of the prestressed duct bundle to be tensioned. The supporting legs of the supporting device (1) of the bench structure are formed by nesting two round steel tubes with the inner diameter difference of 4-6 mm, and the height of the supporting legs can be adjusted according to needs through split pin holes and pin bolts or bolts reserved on the supporting legs.
After being lifted by a chain block of the hand hoist (4), a jack to be installed can be lifted and then can be in place after moving forwards and backwards in the guide rail (12) through a walking member (22) of the jack hoisting guide device (2).
Taking the prestressed tensioning construction of erecting a bracket and a cast-in-place post-tensioning method prestressed concrete box girder as an example at present, the concrete steps are as follows:
step 1, pouring cast-in-place box girder concrete, maintaining in time, cleaning table-board sundries near a pore canal to be subjected to prestress tensioning operation after the age, the strength and the elastic modulus of the cast-in-place box girder reach tensioning conditions required by design and specification, and making up an operation space. Installing a working anchor and a working clamping piece of a prestressed tendon to be subjected to tensioning operation;
and 7, after all the pore channel steel bundles are tensioned, detaching the jack (6) from the chain block (4). Use lifting device to hang jack (6) and this device from the job site, at last with its jack (6) with each part the utility model discloses an each part is cleared up after restoreing and is saved it through haulage equipment or directly carry it to appointed instrument storage warehouse through the manual work to stretch-draw operation circulation turnover use next time.
Compared with the prior art, the utility model produced beneficial effect is:
1. the utility model has simple structure and novel and reasonable design, solves the problems of high difficulty and high danger of manual jack installation and continuous matching of hoisting equipment in the installation and dismantling process in the post-tensioning prestressing construction process, and can effectively improve the working efficiency and reduce the construction cost on the premise of ensuring safety;
2. the utility model realizes the high efficiency and accuracy of hoisting the jack, saves the physical strength of workers and provides the working efficiency;
3. the utility model realizes the high efficiency and accuracy hoisting jack while realizing the recycling, and solves the traditional hoisting problem of the jack with larger required weight; the hoisting of the jack can be realized, the labor is saved, the construction efficiency is improved, and the resources can be saved;
4. the utility model discloses an antirust coat on the outside, consequently can prevent to rust the while also prolonged the life of whole device, the resource has also been saved when realizing the environmental protection, and simultaneously, scribble the fluorescent material that can the self-luminous in the outside of device, can clearly mark the device's position in night or darkroom and underground construction environment, can play the effect of safe suggestion effectively, improve the striking degree, easily people differentiate, increase the security in construction and the life.
Drawings
The following detailed description of embodiments of the invention is provided with reference to the accompanying drawings, in which:
FIG. 1 is a schematic view of the overall assembly structure of the present invention;
FIG. 2 is a schematic view of the overall exploded structure of the present invention;
fig. 3 is one of the schematic views of the usage state of the present invention;
fig. 4 is a second schematic view of the usage state of the present invention;
wherein, the reference numbers in the figures: 1-a supporting device, 11-a supporting platform, 12-a guide rail and 13-a supporting leg;
2, hoisting and guiding device of jack, 21, connecting shaft, 22 and walking member;
3-a connecting member;
4-chain block;
5-a moving device;
6, a jack.
Detailed Description
In order to make the technical means, the inventive features, the objectives and the functions of the present invention easy to understand, the technical solution of the present invention will be further described in detail with reference to the accompanying drawings and the following detailed description, and it should be noted that the embodiments and the features of the embodiments in the present application can be combined with each other without conflict. The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.
The simple post-tensioning prestress construction jack installation and positioning device shown in the attached drawings of the specification is used for auxiliary hoisting of the post-tensioning prestress construction jack and comprises:
the supporting device 1 is used for supporting and installing the jack hoisting guide device 2;
the jack hoisting guide device 2 is arranged on the supporting device 1 in a reciprocating sliding mode;
the fixed end of the connecting component 3 is respectively connected to two sides of the jack hoisting guide device 2, and the working end of the connecting component 3 is sleeved on the chain block 4;
the chain block 4 is used for hanging the jack 6, and the chain block 4 is used for hanging the jack.
In the present invention, the connecting member 3 may be a wire rope or a plain round steel bar.
Further, the supporting device 1 includes:
the supporting platform 11, the supporting platform 11 is square steel arranged oppositely;
the guide rail 12 is connected between the two pieces of square steel, and the jack hoisting guide device 2 slides back and forth in the guide rail 12;
and the supporting legs 13 are connected to two sides of the bottom of the supporting platform 11 in a pairwise symmetrical mode, and the supporting legs 13 are connected to two sides of the bottom of the supporting platform 11 in a pairwise symmetrical mode.
Specifically, the entire guide rail 12 is a U-shaped channel or a C-shaped channel with an opening facing downward.
Specifically, one side of the U-shaped channel steel or the C-shaped channel steel is connected with the inner side wall of one of the square steels, and the other side of the U-shaped channel steel or the C-shaped channel steel is connected with the inner side wall of the other square steel.
Further, the support legs 13 are telescopic support legs.
Specifically, telescopic support leg includes:
the telescopic pipe is used for installing the supporting upright post;
the supporting upright post is installed in the telescopic sleeve in a plugging mode, goes back and forth in the telescopic sleeve and is fastened into a whole through the locking assembly.
The utility model discloses in, locking Assembly includes bolt or round pin bolt and nut, and the nut is screwed and is installed and play the fastening effect in the tip of bolt.
Corresponding opposite-pulling locking holes are formed in the telescopic sleeve and the supporting upright post.
Further, the method also comprises the following steps:
and the moving devices 5 are symmetrically arranged on two sides of the supporting device 1 in pairs.
More specifically, the four moving devices 5 are respectively and detachably mounted at the bottoms of the four supporting legs 13;
the moving device 5 is a universal wheel or a directional wheel, and a brake device matched with the universal wheel or the directional wheel to complete work is arranged on the universal wheel or the directional wheel.
Further, jack hoist and mount guider 2 includes:
the connecting shaft 21 is used for installing a walking member 22;
the running component 22, the running component 22 is sleeved in the middle of the connecting shaft 21.
In the present invention, the traveling member 22 is a movable roller or a ball bearing.
Further, an injection molding layer, an anti-rust layer, a waterproof layer and a warning layer are sequentially arranged on the outer surfaces of the supporting device 1, the jack hoisting guide device 2 and the connecting component 3 from inside to outside, and fluorescent powder is coated on the warning layer.
In the utility model, the injection layer is injected with the high molecular wear-resistant material; the anti-rust layer comprises epoxy zinc-rich primer, chlorinated rubber finish paint and epoxy mica iron intermediate paint positioned between the epoxy zinc-rich primer and the chlorinated rubber finish paint; the waterproof layer is polyurethane waterproof paint; the warning layer is a reflective warning tape or a reflective color film or reflective paint with single color or multiple colors mixed with each other.
Meanwhile, in the utility model, the connection is fixed connection or movable connection or detachable connection, wherein the fixed connection is welded connection or directly processed into an integrated structure; the movable connection or the detachable connection or the split structure is hinged connection, internal and external thread connection, bayonet connection, plug socket connection or bolt component connection or screw connection.
To sum up, the utility model discloses more specific embodiment is:
the jack installation device of taking one's place for simple and easy post-tensioning prestressing force construction of above-mentioned project organization only needs constructor to carry it to appointed construction position through corresponding haulage equipment or directly through the manual work and installs and wait for the use before using.
The moving device 5 facilitates the movement to the position of the prestressed duct bundle to be tensioned. The supporting leg of the supporting device 1 with the stool structure is formed by nesting two round steel pipes with the inner diameter difference of 4-6 mm, and the height can be adjusted through a split pin hole and a pin bolt or a bolt reserved on the supporting leg according to needs.
After being lifted by a chain block of the manual hoist 4, a jack to be installed can be used for hoisting the running member 22 of the guide device 2 by the jack to move back and forth in the guide rail 12 and then to be in place.
Taking the prestressed tensioning construction of erecting a bracket and a cast-in-place post-tensioning prestressed concrete box girder as an example, the concrete steps are as follows:
step 1, pouring cast-in-place box girder concrete, maintaining in time, and cleaning table-board sundries near a pore canal to be subjected to prestress tensioning operation after the age, the strength and the elastic modulus of the cast-in-place box girder reach tensioning conditions required by design and specification, so as to vacate an operation space. Installing a working anchor and a working clamping piece of a prestressed tendon to be subjected to tensioning operation;
and 7, after all the pore channel steel bundles are tensioned, detaching the jack 6 from the chain block 4. Use lifting device to hang jack 6 and this device from the job site, at last with its jack 6 with each part the utility model discloses an each part is cleared up after repairing with it through haulage equipment or directly carry it to appointed instrument storage warehouse through the manual work and save to stretch-draw operation circulation turnover use next time.
Finally, it should be noted that the above-mentioned embodiments are only preferred embodiments of the present invention, and are not intended to limit the present invention in any way, and those skilled in the art may change or modify the technical content disclosed above into equivalent embodiments with equivalent changes. However, any simple modification, equivalent change and modification made to the above embodiments according to the technical essence of the present invention still belong to the protection scope of the technical solution of the present invention.
Claims (9)
1. The utility model provides a simple and easy post-tensioning method is jack installation device of taking one's place for post-tensioning method prestressing force construction jack assists hoist and mount, its characterized in that includes:
the supporting device (1) is used for supporting and installing the jack hoisting guide device (2);
the jack hoisting guide device (2), the jack hoisting guide device (2) is arranged on the support device (1) in a reciprocating sliding manner;
the fixed end of the connecting component (3) is respectively connected to two sides of the jack hoisting guide device (2), and the working end of the connecting component (3) is sleeved on the chain block (4) in a penetrating manner;
the chain block (4), the chain block (4) is used for hanging the jack (6); wherein,
the support device (1) comprises:
the supporting platform (11), the supporting platform (11) is square steel which is arranged oppositely;
the guide rail (12), the guide rail (12) is connected between two square steels, the jack hoists the guider (2) and slides back and forth in the guide rail (12);
the supporting legs (13), two liang of symmetry of supporting leg (13) connect in the bottom both sides of supporting platform (11).
2. The jack mounting and positioning device for the simple post-tensioning prestressed construction as claimed in claim 1, wherein the guide rail (12) is integrally a U-shaped channel or a C-shaped channel with a downward opening.
3. The jack mounting and positioning device for the simple post-tensioning prestressed construction as claimed in claim 2, wherein one side of the U-shaped channel or the C-shaped channel is connected with the inner side wall of one square steel, and the other side of the U-shaped channel or the C-shaped channel is connected with the inner side wall of the other square steel.
4. The jack mounting-in-place device for simple post-tensioning prestressing construction according to claim 1, wherein the support legs (13) are telescopic support legs.
5. The jack installing and positioning device for simple post-tensioning prestressed construction as claimed in claim 4, wherein said telescopic supporting legs comprise:
the telescopic pipe is used for installing the supporting upright post;
the supporting upright post is installed in the telescopic sleeve in a plugging mode, goes back and forth in the telescopic sleeve and is fastened into a whole through the locking assembly.
6. The jack installation and positioning device for simple post-tensioning prestressed construction according to claim 1, further comprising:
the moving devices (5) are symmetrically arranged on two sides of the supporting device (1) in pairs.
7. The jack installation-in-place device for simple post-tensioning prestressed construction according to claim 6, characterized in that the four moving devices (5) are respectively detachably mounted at the bottoms of the four supporting legs (13);
the moving device (5) is a universal wheel or a directional wheel, and a brake device matched with the universal wheel or the directional wheel to complete work is arranged on the universal wheel or the directional wheel.
8. The jack installation and positioning device for simple post-tensioning prestressed construction according to claim 1, wherein the jack hoisting guide device (2) comprises:
the connecting shaft (21), the connecting shaft (21) is used for installing the walking member (22);
the walking component (22), the walking component (22) is sleeved in the middle of the connecting shaft (21).
9. The simple post-tensioning prestressed construction jack installation and positioning device as claimed in claim 1, wherein an injection molding layer, an anti-rust layer, a waterproof layer and a warning layer are sequentially arranged on the outer surfaces of the supporting device (1), the jack hoisting guide device (2) and the connecting member (3) from inside to outside, and fluorescent powder is coated on the warning layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221992802.1U CN218058154U (en) | 2022-07-29 | 2022-07-29 | Simple post-tensioning method jack mounting and positioning device for prestress construction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221992802.1U CN218058154U (en) | 2022-07-29 | 2022-07-29 | Simple post-tensioning method jack mounting and positioning device for prestress construction |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218058154U true CN218058154U (en) | 2022-12-16 |
Family
ID=84401071
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221992802.1U Expired - Fee Related CN218058154U (en) | 2022-07-29 | 2022-07-29 | Simple post-tensioning method jack mounting and positioning device for prestress construction |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218058154U (en) |
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2022
- 2022-07-29 CN CN202221992802.1U patent/CN218058154U/en not_active Expired - Fee Related
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20221216 |
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| CF01 | Termination of patent right due to non-payment of annual fee |