CN216474518U - Innovative prestressed T-beam hogging moment stretching operation frame - Google Patents
Innovative prestressed T-beam hogging moment stretching operation frame Download PDFInfo
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- CN216474518U CN216474518U CN202122349459.0U CN202122349459U CN216474518U CN 216474518 U CN216474518 U CN 216474518U CN 202122349459 U CN202122349459 U CN 202122349459U CN 216474518 U CN216474518 U CN 216474518U
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Abstract
The utility model discloses an innovative prestressed T-beam hogging moment tensioning operating frame, which comprises a supporting frame, a limiting sleeve, an L-shaped lifting rod and a chain block, wherein the L-shaped lifting rod is connected with the supporting frame through a chain block; the limiting sleeve is fixedly connected with the supporting frame, and the vertical edge of the L-shaped lifting rod is inserted into the limiting sleeve and can slide up and down along the limiting sleeve; the lifting hook of the chain block is connected with the supporting frame, and the lifting chain of the chain block extends to the position above the horizontal rod of the L-shaped lifting rod. The beneficial effects of the utility model are as follows: the inventive prestressed T-beam hogging moment tensioning operation frame facilitates the position change of the jack up and down, left and right, and front and back, reduces the working strength of constructors, improves the working efficiency of the constructors, and obviously improves the working safety and economy.
Description
Technical Field
The utility model belongs to the technical field of building construction, and particularly relates to an innovative prestressed T-beam hogging moment tensioning operating frame.
Background
The prestressed T-beam hogging moment tensioning is an important process in the bridge deck system construction process, and has great influence on the overall engineering quality. Because the hogging moment toothed plate is located the pterygoid lamina below, operating space is limited, and the jack installation degree of difficulty is big and high altitude construction danger is very big. Such as: the Kyoqin expressway Zun Qin section B9 standard flat mountain bridge project has large quantity of prestressed T beams, large work load of hogging moment tension and high danger.
In conclusion, in order to solve the problem of high difficulty in the T-beam hogging moment tensioning operation, the T-beam hogging moment tensioning operation frame is manufactured and improved by combining site construction conditions.
SUMMERY OF THE UTILITY MODEL
The main aim at of this application provides one kind in T roof beam hogging moment prestressing force stretch-draw working process, can reduce project constructor's working strength, improves work efficiency and improves work security's innovative prestressing force T roof beam hogging moment stretch-draw handling frame.
In order to achieve the above purpose, the utility model provides the following technical scheme:
an innovative prestressed T-beam hogging moment tensioning operation frame comprises a support frame, a limiting sleeve, an L-shaped lifting rod and a chain block;
the limiting sleeve is fixedly connected with the supporting frame, and the vertical edge of the L-shaped lifting rod is inserted into the limiting sleeve and can slide up and down along the limiting sleeve;
the lifting hook of the chain block is connected with the supporting frame, and the lifting chain of the chain block extends to the position above the horizontal rod of the L-shaped lifting rod.
When the operation frame is used, the position of the operation frame is adjusted to enable the limiting sleeve to be opposite to the center position of the wet joint, the chain block is controlled to enable the chain block to vertically descend to a tensioning position (a jack is fixed on the chain block, a hoisting chain of the chain block extends to the position above a horizontal rod of the L-shaped lifting rod, the jack connected to the chain block can be placed on the horizontal rod of the L-shaped lifting rod, when the jack is used, the jack can be manually operated to enable the jack to slide along the length direction of the horizontal rod), the L-shaped lifting rod rotates to drive the jack to rotate, the jack is aligned with an anchorage device, then the jack is installed for tensioning, after the jack is installed for tensioning, the jack is removed, and the operation frame is moved to the next tensioning position.
The L-shaped lifting rod of the operating frame can adjust the vertical and horizontal positions of the jack, so that the working efficiency of workers is improved, the safety of the workers is ensured, and the working process is simplified.
In order to ensure that the operation frame has certain bearing capacity, the operation frame is made of steel bars, and the L-shaped lifting rod is also made of steel bars.
Above-mentioned innovative prestressing force T roof beam hogging moment stretch-draw handling frame, as an optimal embodiment, the support frame includes support column and connecting rod, the support column is vertical to be placed, the quantity of support column is 4, connects gradually 4 the line on support column top constitutes a quadrangle, and two adjacent support columns pass through the connecting rod and connect.
The support column can be designed into 4 or 3, has guaranteed the stability of support frame. For the fastness of further reinforcing support frame, two adjacent support columns pass through the connecting rod to be connected, and the connecting rod is equivalent to the holding capacity of strengthening rib increase support frame.
In order to facilitate the movement of the support frame, universal wheels can be arranged at the bottom ends of the support columns.
Above-mentioned innovative prestressing force T roof beam hogging moment stretch-draw handling frame, as an optimal embodiment, the connecting rod includes first layer connecting rod, second floor connecting rod, third layer connecting rod, first layer connecting rod, second floor connecting rod, third layer connecting rod set gradually in top, middle part, the bottom of support frame from top to bottom.
One end of the connecting rod is fixedly connected with one of the adjacent supporting columns, and the other end of the connecting rod is fixedly connected with the other one of the adjacent supporting columns.
As an optimal implementation scheme, the support frame further comprises a fixed rod, and two ends of the fixed rod are fixedly connected with two connecting rods which are located in the same layer in parallel respectively.
As an optimal implementation scheme, the number of the fixed rods is two, and the two fixed rods are fixedly connected with the first layer connecting rod and the second layer connecting rod respectively.
One of the two fixed rods is connected with the two parallel connecting rods in the first layer of connecting rods, and the other of the two fixed rods is connected with the two parallel connecting rods in the second layer of connecting rods.
Above-mentioned innovative prestressing force T roof beam hogging moment stretch-draw handling frame, as an optimal implementation scheme, limit sleeve's the central axis with the central axis of support frame coincides mutually, limit sleeve passes two upper and lower dead levers in proper order to in dead lever fixed connection, limit sleeve's lower extreme and the lower surface of second floor connecting rod are located the coplanar, limit sleeve's upper end and the upper surface of first floor connecting rod are located the coplanar.
As a preferred embodiment, the lifting hook of the chain block is detachably connected with the fixed rod positioned at the connecting rod of the second layer.
A fixing ring can be arranged on the fixing rod, and a lifting hook of the inverted chain is hung on the fixing ring. In order to prevent the L-shaped lifting rod from falling off from the limiting sleeve, a handle can be arranged at the top end of the vertical rod of the L-shaped lifting rod, and the length of the handle is greater than the diameter of the limiting sleeve so as to prevent the L-shaped lifting rod from falling off from the limiting sleeve.
Preferably, the horizontal bar of the L-shaped lifting bar is located below the third layer of connecting bars.
Therefore, the horizontal rod of the L-shaped lifting rod can be longer without the limitation of the connecting rod, and the moving range of the jack positioned on the L-shaped lifting rod is enlarged.
The utility model has the beneficial effects that: the inventive prestressed T-beam hogging moment tensioning operation frame facilitates the position change of the jack up and down, left and right, and front and back, reduces the working strength of constructors, improves the working efficiency of the constructors, and obviously improves the working safety and economy.
Drawings
FIG. 1 is a side view of an inventive prestressed T-beam hogging moment tensioning frame of the present invention;
in the figure: 1. an L-shaped lifting rod; 2. a support pillar; 3. chain rewinding; 4. a jack; 5. a first layer of tie bars; 6. and a second layer of connecting rods.
Detailed Description
In order to make the technical solutions in the embodiments of the present application better understood, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to examples, and it is obvious that the described embodiments are only some embodiments of the present application, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
In this application, the terms "upper", "lower", "left", "right", "front", "rear", "top", "bottom", "inner", "outer", "middle", "vertical", "horizontal", "lateral", "longitudinal", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings. These terms are used primarily to better describe the present application and its embodiments, and are not used to limit the indicated devices, elements or components to a particular orientation or to be constructed and operated in a particular orientation.
Moreover, some of the above terms may be used to indicate other meanings besides the orientation or positional relationship, for example, the term "on" may also be used to indicate some kind of attachment or connection relationship in some cases. The specific meaning of these terms in this application will be understood by those of ordinary skill in the art as appropriate.
An innovative prestressed T-beam hogging moment tensioning operation frame comprises a support frame, a limiting sleeve, an L-shaped lifting rod 1 and a chain block 3; the limiting sleeve is fixedly connected with the supporting frame, and the vertical edge of the L-shaped lifting rod 1 is inserted into the limiting sleeve and can slide up and down along the limiting sleeve; the lifting hook of the chain block 3 is connected with the supporting frame, and the lifting chain of the chain block 3 extends to the upper part of the horizontal rod of the L-shaped lifting rod 1.
When the operation frame is used, the position of the operation frame is adjusted to ensure that the limiting sleeve is opposite to the center position of the wet joint, the chain block 3 is controlled to vertically descend to a tensioning position (the jack 4 is fixed on the chain block 3, and because a hoisting chain of the chain block 3 extends to the position above a horizontal rod of the L-shaped lifting rod 1, the jack 4 connected to the chain block 3 can be placed on the horizontal rod of the L-shaped lifting rod 1, and when the jack 4 is used, the jack 4 can be manually operated to slide along the length direction of the horizontal rod), the L-shaped lifting rod 1 is rotated, the rotation of the L-shaped lifting rod 1 drives the jack 4 to rotate, so that the jack 4 is aligned with an anchorage device, then the jack 4 is installed for tensioning, and after tensioning is finished, the jack 4 is removed, and then the operation frame is moved to the next tensioning position.
The support frame that this embodiment described includes support column 2 and connecting rod, 2 vertical placements of support column, the quantity of support column 2 is 4, connects gradually 4 the line on 2 tops of support column constitutes a quadrangle, and two adjacent support columns 2 pass through the connecting rod to be connected, and support column 2 sets up to 4 stability that can guarantee the support frame, connects the fastness that the dead lever can further guarantee the support frame between support column 2. As a preferred embodiment, the connecting rod includes first layer connecting rod 5, second floor connecting rod 6, third layer connecting rod, first layer connecting rod 5, second floor connecting rod 6, third layer connecting rod set gradually in top, middle part, the bottom of support frame from top to bottom.
In order to facilitate the fixing of the limiting sleeve, a fixed rod is further arranged on the supporting frame, and two ends of the fixed rod are respectively and fixedly connected with two connecting rods which are positioned in parallel on the same layer; and the number of the fixed rods is two, and the two fixed rods are respectively and fixedly connected with the first layer of connecting rods 5 and the second layer of connecting rods 6. When the chain block 3 is fixed, the hook of the chain block 3 is detachably connected with the fixed rod at the second layer connecting rod 6.
In order to facilitate the position of the limiting sleeve to be just opposite to the center position of the wet joint, the central axis of the limiting sleeve coincides with the central axis of the support frame, the limiting sleeve sequentially penetrates through the upper fixing rod and the lower fixing rod and is fixedly connected with the fixing rods, the lower end of the limiting sleeve and the lower surface of the second layer of connecting rod 6 are located on the same plane, and the upper end of the limiting sleeve and the upper surface of the first layer of connecting rod 5 are located on the same plane.
In order to enlarge the moving range of the jack 4, the horizontal rod of the L-shaped lifting rod 1 is positioned below the third layer of connecting rods, so that the horizontal rod of the L-shaped lifting rod 1 can be longer without being limited by the connecting rods.
The above description is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, several modifications and additions can be made without departing from the method of the present invention, and these modifications and additions should also be regarded as the protection scope of the present invention.
Claims (8)
1. An innovative prestressed T-beam hogging moment tensioning operation frame is characterized by comprising a support frame, a limiting sleeve, an L-shaped lifting rod and a chain block;
the limiting sleeve is fixedly connected with the supporting frame, and the vertical edge of the L-shaped lifting rod is inserted into the limiting sleeve and can slide up and down along the limiting sleeve;
the lifting hook of the chain block is connected with the supporting frame, and the lifting chain of the chain block extends to the position above the horizontal rod of the L-shaped lifting rod.
2. The innovative prestressed T-beam hogging moment tensioning handling frame of claim 1, characterized in that said supporting frame comprises supporting columns and connecting rods, said supporting columns are placed vertically, the number of said supporting columns is 4, the connecting lines connecting the top ends of said 4 supporting columns in sequence form a quadrilateral, and two adjacent supporting columns are connected by means of connecting rods.
3. The innovative prestressed T-beam hogging moment tensioning handling frame of claim 2, characterized in that said connecting rods comprise a first layer of connecting rods, a second layer of connecting rods, and a third layer of connecting rods, which are sequentially arranged at the top, middle, and bottom of the supporting frame from top to bottom.
4. The innovative prestressed T-beam hogging moment tensioning handling frame of claim 3, wherein said support frame further comprises a fixed bar, both ends of said fixed bar being fixedly connected with two parallel connecting bars located on the same layer, respectively.
5. The innovative prestressed T-beam hogging moment tensioning handling frame of claim 4, wherein the number of said fixing rods is two, and said two fixing rods are fixedly connected to the first layer connecting rod and the second layer connecting rod, respectively.
6. The innovative prestressed T-beam hogging moment tensioning handling frame of claim 5, characterized in that the central axis of the limiting sleeve coincides with the central axis of the support frame, the limiting sleeve sequentially passes through the upper and lower two fixing rods and is fixedly connected with the fixing rods, the lower end of the limiting sleeve and the lower surface of the second layer of connecting rods are located on the same plane, and the upper end of the limiting sleeve and the upper surface of the first layer of connecting rods are located on the same plane.
7. The innovative prestressed T-beam hogging moment tensioning handling frame of claim 6, characterized in that the lifting hooks of the chain blocks are detachably connected with fixing rods located at the level of the second layer connecting rods.
8. The innovative prestressed T-beam hogging moment tensioning handling frame of claim 3, characterized in that the horizontal bar of said L-shaped lifter is located below said third layer of connecting bars.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122349459.0U CN216474518U (en) | 2021-09-27 | 2021-09-27 | Innovative prestressed T-beam hogging moment stretching operation frame |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122349459.0U CN216474518U (en) | 2021-09-27 | 2021-09-27 | Innovative prestressed T-beam hogging moment stretching operation frame |
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| CN216474518U true CN216474518U (en) | 2022-05-10 |
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| CN202122349459.0U Active CN216474518U (en) | 2021-09-27 | 2021-09-27 | Innovative prestressed T-beam hogging moment stretching operation frame |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115262425A (en) * | 2022-09-15 | 2022-11-01 | 江苏省交通工程集团有限公司 | Hogging moment tension grouting construction process |
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2021
- 2021-09-27 CN CN202122349459.0U patent/CN216474518U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115262425A (en) * | 2022-09-15 | 2022-11-01 | 江苏省交通工程集团有限公司 | Hogging moment tension grouting construction process |
| CN115262425B (en) * | 2022-09-15 | 2023-09-26 | 江苏省交通工程集团有限公司 | Hogging moment stretching grouting construction process |
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