CN219469486U - Movable precast beam tensioning jack bracket - Google Patents
Movable precast beam tensioning jack bracket Download PDFInfo
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- CN219469486U CN219469486U CN202320460530.9U CN202320460530U CN219469486U CN 219469486 U CN219469486 U CN 219469486U CN 202320460530 U CN202320460530 U CN 202320460530U CN 219469486 U CN219469486 U CN 219469486U
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- angle steel
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- track
- jack
- steel
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Abstract
The utility model provides a portable precast beam stretch-draw jack support, include the rectangle steel frame that comprises four vertical angle steel, be equipped with the stiffening beam between the adjacent vertical angle steel middle part, be equipped with the angle steel track between the upper portion, be located the angle steel track of opposite side and erect jack running gear between, jack running gear is including the walking dolly around and erect the walking dolly about on the walking dolly, the walking dolly includes both sides walking track and the walking gyro wheel of fixing on walking track both ends, be equipped with anti-drop reinforcing bar between the walking track of both sides, the walking dolly includes the reinforcing bar support body and locates the gyro wheel of reinforcing bar support body both sides, the walking gyro wheel is strutted on the angle steel track of both sides, hoisting device fixes on the reinforcing bar support body, tensioning device hangs and establishes on hoisting device's guide chain couple. The jack can be moved up and down, left and right and up and down through the support, a large amount of manpower and material resources are saved, and accuracy of prestress when passing through the jack is improved.
Description
Technical Field
The application relates to the field of building construction, in particular to a movable precast beam tensioning jack bracket.
Background
With the great development of infrastructure engineering, wherein bridges take important roles, post-tensioning prestressed concrete continuous beams are widely applied to the current bridge engineering
The technology disclosed requires 2-3 workers to be matched with a gantry crane for prestress tensioning after installation, or a simple bracket is matched with a chain block for prestress tensioning after installation of a jack. The manual construction is difficult, the construction efficiency is low, the gantry crane is required to occupy one gantry crane for the cooperation construction, the construction investment is large, and the jack is not flexible enough to install.
Disclosure of Invention
The utility model aims to provide a movable precast beam tensioning jack bracket, which solves the problem that a precast beam tensioning jack moves up and down, back and forth and left and right, greatly saves manpower and material resources and improves positive production efficiency.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a movable precast beam tensioning jack bracket is characterized in that: including the rectangle steel frame that comprises four vertical angle steel, be equipped with the entablature between the vertical angle steel middle part, be equipped with the angle steel track between the upper portion, be located the jack running gear has been set up between the angle steel track of opposite side, the jack running gear is including the front and back walking dolly and erect the left and right sides walking dolly on the front and back walking dolly, the front and back walking dolly includes both sides walking track and fixes the walking gyro wheel at walking track both ends, both sides be equipped with anti-drop reinforcing bar between the walking track, the left and right sides walking dolly includes the reinforcing bar support body and locates the gyro wheel of reinforcing bar support body both sides, the walking gyro wheel is propped up on the walking track, and hoisting device fixes on the reinforcing bar support body, and tensioning device hangs and establishes on hoisting device's guide chain couple.
Further preferably, a protective steel plate is further arranged between the side surface of the rectangular steel frame far away from the precast beam and the two vertical angle steels.
Still preferably, a beam bottom support is arranged between the lower parts of the vertical angle steel, and bottom wheels are arranged at the bottom of the beam bottom support and the bottom of the vertical angle steel.
In addition, steel bar diagonal braces are arranged between the angle steel rail and the vertical angle steel and between the vertical angle steel and the beam bottom brace.
More preferably, anti-falling devices are arranged on the two sides of the angle steel rail and the upper part of the vertical angle steel, the anti-falling devices are hooks formed by bending steel bars, and hoisting steel wire ropes are arranged between the adjacent hooks.
Compared with the prior art, the utility model has the following characteristics and beneficial effects:
the jack can be moved up and down, left and right and up and down through the support, a large amount of manpower and material resources are saved, accuracy of prestress when passing through the jack is improved, the jack has the characteristics of safety, applicability and the like, good popularization and practical value are achieved, and good economic benefits can be produced after wide popularization and application.
Drawings
FIG. 1 is a schematic structural view of a movable precast beam tensioning jack stand of the present application;
fig. 2 is a schematic structural view of the jack walking device according to the present application.
Detailed Description
The present utility model will be further described below in order to make the technical means, innovative features, achieved objects and effects achieved by the present utility model easy to understand.
The examples described herein are specific embodiments of the present utility model, which are intended to illustrate the inventive concept, are intended to be illustrative and exemplary, and should not be construed as limiting the utility model to the embodiments and scope of the utility model. In addition to the embodiments described herein, those skilled in the art can adopt other obvious solutions based on the disclosure of the claims and specification of the present application, including those adopting any obvious substitutions and modifications to the embodiments described herein.
The utility model provides a portable precast beam stretch-draw jack support, as shown in fig. 1 and 2, include the rectangle steel frame that comprises four vertical angle steel 1, be equipped with stiffening beam 2 between the middle part of adjacent vertical angle steel 1, be equipped with angle steel track 3 between the upper portion, erect jack running gear 4 between the angle steel track 3 that is located opposite side, jack running gear 4 is including walking dolly 41 around and erect on walking dolly 41 around, walking dolly 41 around includes both sides walking track 411 and the walking gyro wheel 412 of fixing on walking track 411 both ends, be equipped with anti-drop reinforcing bar 413 between the walking track 411 of both sides, anti-drop reinforcing bar 413 locates between the both ends of both sides walking track 411, walking dolly 42 around includes the reinforcing bar support body 421 and locates the gyro wheel 422 of reinforcing bar support body 421 both sides, walking gyro wheel 412 is strutted on both sides angle steel track 3, hoisting device 5 is fixed on reinforcing bar support body 421, stretch-draw gear 6 hangs and establishes on hoisting device 5's guide chain.
As a preferred embodiment of the application, a protection steel plate 7 is further arranged between the side surface of the rectangular steel frame far away from the precast beam and the two vertical angle steel 1.
As the preferred embodiment of the application, a beam bottom support 8 is arranged between the lower parts of the vertical angle steel 1, and bottom wheels 9 are arranged at the bottom parts of the beam bottom support 8 and the vertical angle steel 1.
As a preferred embodiment of the present application, the steel bar diagonal braces 11 are respectively arranged between the angle steel rail 3 and the vertical angle steel 1 and between the vertical angle steel 1 and the beam bottom brace 8.
As the preferred embodiment of this application, the both sides of angle steel track 3, the upper portion of standing angle steel 1 are equipped with anti-drop device 10, and anti-drop device 10 is for buckling by the reinforcing bar and form the lifting hook (keep off in track opening part, prevent that the travelling car from coming off), adjacent be equipped with hoist and mount wire rope (not shown in the figure) between the lifting hook.
The specific implementation method comprises the following steps: the support frame is formed by welding steel pipes, wherein reinforcing beams are arranged in the middle, inclined struts are arranged at four corners, and the support frame comprises a travelling device, a lifting device, a jack travelling device, an anti-falling device, a tensioning protection device and a tensioning jack.
And (3) a walking device: the beam at the bottom of the bracket is provided with a plurality of moving wheels for the whole bracket to walk.
Lifting device: the lifting device consists of a chain block and a hook, wherein the upper part of the lifting device is wound on the left-right moving trolley, and the lower part of the lifting device adopts the hook to hang the tensioning jack and is used for up-and-down movement of the tensioning jack.
Jack running gear: the jack traveling device is composed of two simple trolleys (a front traveling trolley, a rear traveling trolley and a left traveling trolley and a right traveling trolley), the front traveling trolley and the rear traveling trolley are welded with traveling rollers by two angle steels through reinforcing steel bars, and anti-falling reinforcing steel bars are arranged at two ends of the front traveling trolley and the rear traveling trolley to realize the front-rear movement of the tensioning jack. The left and right travelling trolleys are formed by welding reinforcing steel bars and travelling rollers, so that left and right movement of the jack is realized.
Anti-drop device: in order to prevent the front and back travelling trolley from running out of the rail, steel bars/angle steel/steel pipes are welded on two sides of the rail to prevent the trolley from falling off.
Stretch-draw protector: when the jack stretches the steel strand, the steel strand breaks and is ejected out from the rear of the jack, so that casualties are caused, and a steel plate is welded at the rear of the bracket for protection.
Tensioning jack: for prestressing the steel strand.
The utility model is not related in part to the same as or can be practiced with the prior art.
While the fundamental and principal features of the utility model and advantages of the utility model have been shown and described, it will be apparent to those skilled in the art that the utility model is not limited to the details of the foregoing exemplary embodiments, but may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the disclosure is not limited to the embodiments described in detail below, and that the embodiments described in the examples may be combined as appropriate to form other embodiments that will be apparent to those skilled in the art.
Claims (5)
1. A movable precast beam tensioning jack bracket is characterized in that: including the rectangle steel frame that constitutes by four vertical angle steel (1), is adjacent be equipped with entablature (2) between vertical angle steel (1) middle part, be equipped with angle steel track (3) between the upper portion, be located between angle steel track (3) of opposite side and erect jack running gear (4), jack running gear (4) are including walking dolly (41) around and erect on walking dolly (41) about walking dolly (42), around walking dolly (41) include both sides walking track (411) and fix walking gyro wheel (412) at walking track (411) both ends, both sides be equipped with anti-drop reinforcing bar (413) between walking track (411), around walking dolly (42) include reinforcing bar support (421) and locate gyro wheel (422) of reinforcing bar support (421) both sides, walking gyro wheel (412) prop up on walking track (411), hoisting device (5) are fixed on tensioning frame (421) and are established on hoisting device (6) couple (5).
2. A movable precast beam tensioning jack stand according to claim 1, wherein: and a protective steel plate (7) is further arranged between the side surface of the rectangular steel frame, which is far away from the precast beam, and the two vertical angle steels (1).
3. A movable precast beam tensioning jack stand according to claim 1, wherein: a beam bottom support (8) is arranged between the lower parts of the vertical angle steel (1), and bottom wheels (9) are arranged at the bottoms of the beam bottom support (8) and the vertical angle steel (1).
4. A movable precast beam tensioning jack stand according to claim 3, wherein: and reinforcing steel diagonal braces (11) are arranged between the angle steel rail (3) and the vertical angle steel (1) and between the vertical angle steel (1) and the cross beam bottom brace (8).
5. A movable precast beam tensioning jack support according to any one of claims 1 to 4, wherein: the anti-drop device (10) is arranged on the upper portion of the vertical angle steel (1) on the two sides of the angle steel track (3), the anti-drop device (10) is a lifting hook formed by bending steel bars, and a hoisting steel wire rope is arranged between the adjacent lifting hooks.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320460530.9U CN219469486U (en) | 2023-03-13 | 2023-03-13 | Movable precast beam tensioning jack bracket |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320460530.9U CN219469486U (en) | 2023-03-13 | 2023-03-13 | Movable precast beam tensioning jack bracket |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219469486U true CN219469486U (en) | 2023-08-04 |
Family
ID=87459526
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320460530.9U Active CN219469486U (en) | 2023-03-13 | 2023-03-13 | Movable precast beam tensioning jack bracket |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219469486U (en) |
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2023
- 2023-03-13 CN CN202320460530.9U patent/CN219469486U/en active Active
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