CN218492303U - Operation frame is deposited to highway engineering precast box girder stretch-draw equipment - Google Patents
Operation frame is deposited to highway engineering precast box girder stretch-draw equipment Download PDFInfo
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- CN218492303U CN218492303U CN202222610002.5U CN202222610002U CN218492303U CN 218492303 U CN218492303 U CN 218492303U CN 202222610002 U CN202222610002 U CN 202222610002U CN 218492303 U CN218492303 U CN 218492303U
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Abstract
The utility model provides a prefabricated case roof beam stretch-draw equipment of highway engineering deposits operation frame, when having solved and having adopted rope handling stretch-draw hydro-cylinder, the stretch-draw hydro-cylinder takes place the swing easily aloft, bumps constructor's on every side problem. The utility model comprises a bottom plate which is horizontally arranged, and at least two track upright rods which are arranged at intervals left and right are fixedly arranged on the bottom plate; a second cross beam is arranged between two adjacent rail upright rods; a tensioning oil cylinder is arranged between every two adjacent rail upright rods, an anchor ear is sleeved on each tensioning oil cylinder, the top of each anchor ear is detachably and fixedly connected with one end of a rope, and the other end of the rope penetrates through a rope hole in the second cross beam and then is connected with a winch; a sliding sleeve capable of moving up and down along the extension direction of the rail upright rod is arranged on the rail upright rod, a guide sleeve which is through from left to right is fixedly arranged on the front side of the sliding sleeve, and an inserted rod capable of moving left and right is arranged in the guide sleeve in a penetrating manner; one side of the hoop, which faces the inserted link component, is fixedly provided with a positioning sleeve, and one end of the inserted link is movably inserted in the positioning sleeve.
Description
Technical Field
The utility model relates to a bridge prestressing force construction technical field especially indicates a prefabricated case roof beam stretch-draw equipment of highway engineering deposits operation frame.
Background
In the construction of the precast box girder, the prestress tension is an important process for the construction of the precast box girder, and the importance of the process is self-evident. When the steel strands installed in the prefabricated box girder are tensioned, a tensioning oil cylinder (hydraulic hollow oil cylinder) is required to be sleeved on a wire harness formed by a plurality of steel strands, then an anchorage device is installed on the wire harness, and the tensioning oil cylinder is controlled to extend out through prestress tensioning equipment to prop against the anchorage device to drive the steel strands to be tensioned.
During the steel strand tensioning construction, a hoisting hoist is mostly adopted to hoist the tensioning oil cylinder to a position of a wire harness to be tensioned, and then a manual carrying mode is adopted to sleeve the tensioning oil cylinder on the wire harness, and the installation mode is found to have the following risks during construction: (1) When the tensioning oil cylinder is hoisted by adopting a rope, the tensioning oil cylinder is easy to swing in the air and damages surrounding constructors; (2) When the tensioning oil cylinder is hoisted in place, a certain time needs to be waited for so that the swing amplitude of the tensioning oil cylinder meets the construction requirement, and the construction speed is relatively slow.
SUMMERY OF THE UTILITY MODEL
When adopting rope handling stretch-draw hydro-cylinder in order to solve existence among the background art, the swing takes place in the sky easily for the stretch-draw hydro-cylinder, bumps constructor's on every side problem, the utility model provides a prefabricated case roof beam stretch-draw equipment of highway engineering deposits operation frame.
The technical scheme of the utility model is that: a storage operation frame for highway engineering precast box girder tensioning equipment comprises a bottom plate which is horizontally arranged, wherein at least two rail upright posts which are arranged at intervals from left to right are fixedly arranged on the bottom plate, and the rail upright posts extend along the vertical direction;
a second cross beam which is horizontally arranged is fixedly arranged at the upper part between two adjacent track upright posts, and a through rope hole is formed in the second cross beam;
a tensioning oil cylinder is arranged between every two adjacent track upright rods, an anchor ear is sleeved on each tensioning oil cylinder, the top of each anchor ear is detachably and fixedly connected with one end of each rope, the other end of each rope penetrates through the rope hole and then is connected with a winch, and the winch is arranged on the bottom plate;
the rail upright stanchion is provided with a sliding sleeve which can move up and down along the extension direction of the rail upright stanchion, the front side of the sliding sleeve is fixedly provided with a guide sleeve which is through from left to right, an inserted bar which can move left and right is arranged in the guide sleeve in a penetrating way, and the inserted bar extends along the left and right direction;
one side of the hoop, which faces the inserted link component, is fixedly provided with a positioning sleeve, one end of the inserted link is movably inserted into the positioning sleeve, and the end part of the inserted link can be pulled out of the positioning sleeve;
the bottom plate is provided with a prestressed tensioning device for controlling the stretching of the tensioning oil cylinder.
Preferably, the inserted bar is a screw rod, the guide sleeve is a nut matched with the screw thread of the screw rod, and a hand wheel is fixedly arranged at one end, far away from the positioning sleeve, of the inserted bar.
Preferably, the fixed pole that is equipped with vertical setting on the bottom plate, the cover is equipped with damping spring on the fixed pole, and damping spring's upper end is higher than the upper end of fixed pole, and damping spring's upper end supports and leans on the bottom at the sliding sleeve.
Preferably, a horizontally arranged first cross beam is fixedly arranged at the lower part between two adjacent track vertical rods, a placing seat is detachably and fixedly arranged on the first cross beam, a placing groove is formed in the placing seat, and the placing groove is an arc-shaped groove structure which is through from front to back and is provided with an upper opening; the tensioning oil cylinder and the anchor ear are movably arranged in the mounting groove.
Preferably, the front side and the rear side of the placing seat are fixedly provided with two fixing rings which are arranged at intervals left and right, the fixing rings are through left and right, and the placing groove is positioned between the two fixing rings at the same side;
the two fixing rings on the same side are internally provided with limiting strips extending along the left-right direction in a penetrating manner, the limiting strips correspond to the tensioning oil cylinder in the front and at the back, and the limiting strips are used for preventing the tensioning oil cylinder from being separated from the front opening and the back opening of the mounting groove.
Preferably, the upper end of the rope is fixedly connected with a stop lever, the length of the stop lever is larger than the inner diameter of the rope hole, the stop lever is movably erected on the second cross beam, and the top of the stop lever is fixedly provided with a second hook ring;
the winch is provided with a pull rope used for pulling an object, one end of the pull rope, far away from the winch, is fixedly provided with a hanging buckle, and the hanging buckle can be hooked on the second hook ring.
Preferably, the bottom of the bottom plate is provided with a travelling wheel.
The utility model has the advantages that: when the device lifts and transports the tensioning oil cylinder, the inserted rod inserted in the positioning sleeve drives the sliding sleeve to move up and down along the rail upright rod through the matching of the inserted rod and the positioning sleeve, and the structure can prevent the tensioning oil cylinder from swinging in the air and avoid colliding surrounding constructors during the transporting of the tensioning oil cylinder. Meanwhile, when the tensioning oil cylinder is hoisted in place, a constructor can pull out the end part of the inserted rod from the positioning sleeve so that the tensioning oil cylinder can translate backwards and is sleeved on a wire harness of a steel strand to be tensioned, and the installation speed of the tensioning oil cylinder is accelerated.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a schematic view of the main structure of example 1;
FIG. 2 is an enlarged view of the structure at A in FIG. 1;
FIG. 3 is a schematic view of a connection structure of the hoop and the tensioning cylinder in FIG. 2;
FIG. 4 is a schematic top view of the sliding sleeve of FIG. 2;
FIG. 5 is an enlarged view of the structure at B in FIG. 1;
in the figure, 1, a bottom plate, 2, a traveling wheel, 3, a rail upright rod, 4, a first cross beam, 5, a placing seat, 6, a fixing ring, 7, a limiting strip, 8, a tensioning oil cylinder, 9, a hoop, 901, a flange plate, 10, a fastening bolt, 11, a first hook ring, 12, a positioning sleeve, 13, a sliding sleeve, 1301, a hook head plate, 1302, a limiting plate, 14, a guide sleeve, 15, an inserting rod, 16, a hand wheel, 17, a fixing rod, 18, a damping spring, 19, a rope, 20, a U-shaped rope clamp, 21, a stop lever, 22, a second hook ring, 23, a second cross beam, 24, a winch, 25, a hanging buckle, 26 and prestress tensioning equipment.
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 in the present invention, all other embodiments obtained by a person skilled in the art without any creative effort belong to the protection scope of the present invention.
Example 1: a highway engineering precast box girder tensioning equipment storage operation frame is shown in figure 1 and comprises a bottom plate 1 which is horizontally arranged, and walking wheels 2 are arranged at the bottom of the bottom plate 1.
The bottom plate 1 is fixedly provided with a left rail upright rod 3 and a right rail upright rod 3 which are arranged at intervals, the rail upright rods 3 extend along the vertical direction, and the rail upright rods 3 in the embodiment are made of I-shaped steel.
A second crossbeam 23 which is horizontally arranged is fixedly arranged at the upper part between the two track upright stanchions 3, the second crossbeam 23 in the embodiment is also an I-steel, and the wing plate of the second crossbeam 23 is provided with a through rope hole.
As shown in fig. 1 and 2, a tensioning cylinder 8 is arranged between the two rail uprights 3, and a prestressed tensioning device 26 for controlling the stretching of the tensioning cylinder 8 is arranged on the base plate 1.
The tensioning oil cylinder 8 is sleeved with an anchor ear 9, the anchor ear 9 is of a common annular hoop plate structure, two flange plates 901 of the anchor ear 9 are provided with fastening bolts 10 in a penetrating manner, and the anchor ear 9 is hooped on the tensioning oil cylinder 8 through the fastening effect of the fastening bolts 10.
The top of the hoop 9 is fixedly provided with a first shackle 11, and the lower end of the rope 19 passes through the first shackle 11, extends upwards and is fixed by a U-shaped rope clamp 20.
The other end of the rope 19 passes through the rope hole and then is connected with the stop lever 21, the length of the stop lever 21 is larger than the inner diameter of the rope hole, the stop lever 21 is movably overlapped on the second cross beam 23, and the top of the stop lever 21 is fixedly provided with a second shackle 22.
The bottom plate 1 is provided with a winch 24, the winch 24 is provided with a pull rope for pulling an object, one end of the pull rope, which is far away from the winch 24, is fixedly provided with a hanging buckle 25, and the hanging buckle 25 can be hooked on the second shackle 22.
In this embodiment, the rope for hoisting the tensioning cylinder 8 by the winch 24 is split into two parts: the winch 24 is provided with the pull rope and the independent rope 19, so that the winch 24 can lift and hoist the plurality of tensioning oil cylinders 8 respectively, and the manufacturing cost is saved.
In order to prevent the tensioning cylinder 8 from swinging in the air when lifting, as shown in fig. 1 and fig. 2, in this embodiment, a sliding sleeve 13 capable of moving up and down along the extending direction of the rail upright rod 3 is provided, as shown in fig. 4, L-shaped hook plates 1301 are fixedly provided at the rear ends of the left and right side plates of the sliding sleeve 13, two left and right spacing limit plates 1302 are fixedly provided at the rear side of the front panel of the sliding sleeve 13, and the limit plates 1302 correspond to the hook plates 1301 in the front-back direction. When in use, the hook plate 1301, the limit plate 1302, and the left and right side plates of the sliding sleeve 13 are matched with each other and slidably clamped on the left and right side plates of the sliding rail upright stanchion 3 (i-steel structure).
A left and right through guide sleeve 14 is fixedly arranged on the front side of the sliding sleeve 13, an inserted bar 15 capable of moving left and right penetrates through the guide sleeve 14, and the inserted bar 15 extends along the left and right direction.
One side of the hoop 9 facing the insert rod member is fixedly provided with a positioning sleeve 12, one end of the insert rod 15 is movably inserted into the positioning sleeve 12, and the end part of the insert rod 15 can be pulled out from the positioning sleeve 12.
Through the cooperation of the inserted link 15 and the locating sleeve 12, the tensioning oil cylinder 8 can be prevented from swinging in the air when the tensioning oil cylinder 8 is lifted, and the tensioning oil cylinder 8 is prevented from colliding surrounding constructors during lifting. Meanwhile, when the tensioning oil cylinder 8 is hoisted in place, a constructor can pull out the end part of the inserted rod 15 from the positioning sleeve 12 so as to translate the tensioning oil cylinder 8 to the rear part and sleeve the tensioning oil cylinder on a wire harness of a steel strand to be tensioned.
In order to avoid the accidental separation of the inserted rod 15 from the positioning sleeve 12 in the process of vertical translation of the tensioning oil cylinder 8, the inserted rod 15 in the embodiment is a screw rod, and the corresponding guide sleeve 14 is a nut matched with the screw rod in a threaded manner. In order to facilitate the rotation of the insertion rod 15, a hand wheel 16 is fixedly arranged at one end of the insertion rod 15 far away from the positioning sleeve 12.
In order to avoid in place the handling of stretch-draw hydro-cylinder 8, the back is broken away from with position sleeve 12 at inserted bar 15, and inserted bar 15 and sliding sleeve 13 freely fall along slide rail pole setting 3, directly pound on bottom plate 1, as shown in fig. 2, in this embodiment, fixedly on bottom plate 1 is equipped with the dead lever 17 of vertical setting, is equipped with damping spring 18 on the dead lever 17 cover, and damping spring 18's upper end is higher than the upper end of dead lever 17. When the sliding sleeve 13 is in the initial position (the sliding sleeve 13 in fig. 1 and 2 is in the position, the upper end of the damping spring 18 abuts against the bottom of the sliding sleeve 13, and the falling sliding sleeve 13 is damped and buffered by the damping spring 18.
In order to place the tensioning oil cylinder 8 when the tensioning oil cylinder 8 is not in use, so as to prevent the rope 19 from being always in a stressed state and prevent the tensioning oil cylinder 8 from rolling on the bottom plate 1 when the device is transported, as shown in fig. 1 and 2, a first horizontal beam 4 is fixedly arranged at the lower part between the two track vertical rods 3 in the embodiment, the first horizontal beam 4 is made of i-steel, the first horizontal beam 4 is fixedly connected with a placing seat 5 through a bolt, the placing seat 5 is provided with a placing groove, and the placing groove is of an arc groove structure which is through in the front and back and is provided with an upper opening; the tensioning oil cylinder 8 and the anchor ear 9 are movably arranged in the mounting groove.
In order to avoid when transporting this device, stretch-draw hydro-cylinder 8 is deviate from two openings part around the mounting groove, as shown in fig. 2, this embodiment is all fixed being equipped with two solid fixed ring 6 that control the interval and set up in front side and the rear side of placing seat 5, and solid fixed ring 6 is left and right penetrating, and the mounting groove lies in between two solid fixed ring 6 with one side.
Two fixed rings 6 with one side are worn to be equipped with along the spacing 7 that the left and right direction extends in, and spacing 7 corresponds with stretch-draw hydro-cylinder 8 front and back, and spacing 7 is used for preventing stretch-draw hydro-cylinder 8 from deviating from two openings part around the mounting groove.
When the tensioning oil cylinder 8 needs to be replaced, a constructor can take down the limiting strip 7 from the fixing ring 6, so that the new tensioning oil cylinder 8 can be placed into the placing groove from the front opening and the rear opening of the placing groove of the placing seat 5, the tensioning oil cylinder 8 is pushed to move back and forth in the placing groove, and the replacement and installation of the new tensioning oil cylinder 8 are facilitated.
Example 2: according to the operation frame for storing the stretching equipment of the precast box girder in the highway engineering, in the embodiment, a hand wheel 16 is not arranged at one end, far away from a positioning sleeve 12, of an insertion rod 15. The inserted rod 15 adopts a round rod structure, and the guide sleeve 14 is of a sleeve structure with a smooth inner wall. The other structure is the same as embodiment 1.
Example 3: the utility model provides a prefabricated case roof beam stretch-draw equipment of highway engineering deposits operation handling frame, in this embodiment, is equipped with four track pole settings 3 that control the interval and set up on the bottom plate 1 side by side, and the fixed second crossbeam 23 that is equipped with the level setting in upper portion between two adjacent track pole settings 3 all is equipped with stretch-draw hydro-cylinder 8 between two adjacent track pole settings 3, and the lower part between two adjacent track pole settings 3 all is fixed the first crossbeam 4 that is equipped with the level setting. The other structure is the same as embodiment 1.
It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention 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.
Claims (7)
1. The utility model provides a prefabricated case roof beam stretch-draw equipment of highway engineering deposits operation handling frame which characterized in that: the device comprises a bottom plate (1) which is horizontally arranged, at least two rail upright posts (3) which are arranged at intervals left and right are fixedly arranged on the bottom plate (1), and the rail upright posts (3) extend along the vertical direction;
a second cross beam (23) which is horizontally arranged is fixedly arranged at the upper part between two adjacent track upright stanchions (3), and the second cross beam (23) is provided with a through rope hole;
a tensioning oil cylinder (8) is arranged between every two adjacent track upright posts (3), an anchor ear (9) is sleeved on each tensioning oil cylinder (8), the top of each anchor ear (9) is detachably and fixedly connected with one end of a rope (19), the other end of each rope (19) penetrates through a rope hole and then is connected with a winch (24), and the winch (24) is arranged on the bottom plate (1);
a sliding sleeve (13) capable of moving up and down along the extending direction of the rail upright stanchion (3) is arranged on the rail upright stanchion, a guide sleeve (14) which is through from left to right is fixedly arranged on the front side of the sliding sleeve (13), an inserted bar (15) capable of moving left and right is arranged in the guide sleeve (14) in a penetrating way, and the inserted bar (15) extends along the left and right direction;
one side of the hoop (9) facing the insert rod component is fixedly provided with a positioning sleeve (12), one end of the insert rod (15) is movably inserted into the positioning sleeve (12), and the end part of the insert rod (15) can be pulled out from the positioning sleeve (12);
the bottom plate (1) is provided with a prestress tensioning device (26) for controlling the stretching of the tensioning oil cylinder (8).
2. The highway engineering precast box girder tensioning equipment storage operation frame as claimed in claim 1, wherein: the inserted bar (15) is a screw rod, the guide sleeve (14) is a nut matched with the screw thread of the screw rod, and a hand wheel (16) is fixedly arranged at one end of the inserted bar (15) far away from the positioning sleeve (12).
3. A highway engineering precast box girder tensioning equipment storage operation frame as claimed in claim 1 or 2, wherein: the fixing rod (17) which is vertically arranged is fixedly arranged on the bottom plate (1), the fixing rod (17) is sleeved with a damping spring (18), the upper end of the damping spring (18) is higher than the upper end of the fixing rod (17), and the upper end of the damping spring (18) is abutted against the bottom of the sliding sleeve (13).
4. A highway engineering precast box girder tensioning equipment storage operation frame as claimed in claim 1 or 2, wherein: a horizontally arranged first cross beam (4) is fixedly arranged at the lower part between two adjacent track vertical rods (3), a placing seat (5) is detachably and fixedly arranged on the first cross beam (4), a placing groove is formed in the placing seat (5), and the placing groove is an arc-shaped groove structure which is through in the front and back and is provided with an opening in the upper part; the tensioning oil cylinder (8) and the anchor ear (9) are movably arranged in the placing groove.
5. A highway engineering precast box girder tensioning equipment storage operation frame as claimed in claim 4, characterized in that: two fixing rings (6) which are arranged at intervals left and right are fixedly arranged on the front side and the rear side of the placing seat (5), the fixing rings (6) are through left and right, and the placing groove is positioned between the two fixing rings (6) on the same side;
two fixed rings (6) with one side are worn to be equipped with along the spacing strip (7) that the left and right directions extended in, and spacing strip (7) correspond with stretch-draw hydro-cylinder (8) front and back, and spacing strip (7) are used for preventing stretch-draw hydro-cylinder (8) from following two front and back openings part of mounting groove and deviating from.
6. A highway engineering precast box girder tensioning equipment storage operation frame as claimed in claim 1, 2 or 5, wherein: the upper end of the rope (19) is fixedly connected with a stop lever (21), the length of the stop lever (21) is larger than the inner diameter of the rope hole, the stop lever (21) is movably erected on a second cross beam (23), and the top of the stop lever (21) is fixedly provided with a second shackle (22);
the winch (24) is provided with a pull rope used for pulling an object, one end of the pull rope far away from the winch (24) is fixedly provided with a hanging buckle (25), and the hanging buckle (25) can be hooked on the second hook ring (22).
7. A highway engineering precast box girder tensioning equipment storage operation frame as claimed in claim 1, 2 or 5, characterized in that: the bottom of the bottom plate (1) is provided with a travelling wheel (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222610002.5U CN218492303U (en) | 2022-09-30 | 2022-09-30 | Operation frame is deposited to highway engineering precast box girder stretch-draw equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222610002.5U CN218492303U (en) | 2022-09-30 | 2022-09-30 | Operation frame is deposited to highway engineering precast box girder stretch-draw equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218492303U true CN218492303U (en) | 2023-02-17 |
Family
ID=85193100
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222610002.5U Active CN218492303U (en) | 2022-09-30 | 2022-09-30 | Operation frame is deposited to highway engineering precast box girder stretch-draw equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218492303U (en) |
-
2022
- 2022-09-30 CN CN202222610002.5U patent/CN218492303U/en active Active
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