Tensioning device for T-beam bridge deck slab
By designing a T -beam bridge panel tension device including running mechanism, supporting rack, heavy weight box, oil cylinder, lift driver, and operating leverage, the traditional tensor method is time -consuming and labor -intensive, and the bridge is achieved. The safety, efficient, effort and effort of tension operations.
Patent Information
- Application Number
- CN202420790800.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-04-16
- Publication Date
- 2025-01-28
- Estimated Expiration
- 2034-04-16
AI Technical Summary
The traditional bridge deck tensioning method is time-consuming and labor-intensive, slow progress, high insecurity risks, and has limitations.
Design a T -beam bridge panel tensor device, including a running mechanism set on the bridge gear gear wall. The running mechanism moves along the length of the wall to block the wall. Leverage, provides motivation through the lifting drive agency, use operating leverage to increase the pound to achieve tensoring operations of the bridge deck.
This device realizes the safety and reliability of the bridge deck operation, simple production, convenient operation, time -saving and efficient, safe and efficient, suitable for railway T -beam bridge surface horizontal tension operations.
Smart Images
Figure CN222412643U_ABST
Abstract
Description
Technical Field
[0001] The utility model belongs to the technical field of bridge transverse tensioning construction, and more specifically relates to a T-beam bridge deck tensioning device. Background Art
[0002] At present, the construction industry is shifting towards standardization, quality and efficiency.
[0003] The transverse tensioning of bridge decks is an edge-side operation. In addition, the weight of the jacks is large and the tensioning channels need to be frequently changed, which results in greater risks in the tensioning operation of bridge decks. The traditional tensioning methods are time-consuming, labor-intensive, slow, unsafe, and have limitations. Utility Model Content
[0004] The utility model aims to provide a T-beam bridge deck tensioning device, aiming to solve the problems of the traditional tensioning method, which is time-consuming and labor-intensive, slow in progress, high in safety risks, and has limitations.
[0005] To achieve the above-mentioned purpose, the technical solution adopted by the utility model is: to provide a T-beam bridge deck tensioning device, including a running mechanism arranged on the bridge deck ballast retaining wall, the running mechanism moves along the length direction of the ballast retaining wall, a support frame is arranged at the upper end of the running mechanism, a counterweight box is arranged on one side of the running mechanism, an oil cylinder is arranged in the counterweight box, a lifting drive mechanism is arranged on the top of the counterweight box, an operating lever is arranged on the top of the support frame, the middle part of the operating lever is hinged to the top of the support frame, one end of the operating lever is connected to the power end of the lifting drive mechanism, and the other end of the operating lever is connected to a jack, and the jack is connected to the oil cylinder through an oil pipe.
[0006] In a possible implementation, the running mechanism includes a plurality of running legs, and the plurality of running legs are symmetrically arranged in pairs on both sides of the ballast retaining wall, main rollers are arranged at the lower ends of the running legs, and the support frame is installed on the top of the plurality of running legs.
[0007] In one possible implementation, the support frame includes a support platform and a support column, the support platform is horizontally fixed to the top of the plurality of running legs, the support column is vertically installed in the middle of the upper end surface of the support platform, a pin is provided at the top of the support column, and the middle part of the operating lever is hinged to the top of the support column through the pin.
[0008] In a possible implementation, the counterweight box is fixed to one side of the running leg on the same side of the running mechanism, and an auxiliary roller is provided on a side of the lower end surface of the counterweight box away from the running mechanism.
[0009] In a possible implementation, the counterweight box is a frame structure, a cover plate is provided on the top of the counterweight box, the lifting drive mechanism is provided on the upper end surface of the cover plate, and a through hole for the oil supply pipe to pass through is opened on the cover plate.
[0010] In a possible implementation, tension ropes are respectively provided at both ends of the operating lever, and the operating lever is connected to the power end of the lifting drive mechanism and the jack through the tension ropes.
[0011] In a possible implementation, mounting rings are respectively provided at both ends of the operating lever, and a connecting ring is provided at the upper end of the tension rope, and the connecting ring is sleeved in the corresponding mounting ring.
[0012] In a possible implementation, the distance between the hinged position in the middle of the operating lever and the end connected to the lifting drive mechanism is a, and the distance between the hinged position in the middle of the operating lever and the end connected to the jack is b, wherein a<b.
[0013] In a possible implementation, the lifting drive mechanism is a winch.
[0014] The beneficial effect of the T-beam bridge deck tensioning device provided by the utility model is that: compared with the prior art, the running mechanism moves along the length direction of the ballast retaining wall, a support frame is arranged at the upper end of the running mechanism, an operating lever is hinged at the upper end of the support frame, a cylinder is arranged in the counterweight box on one side of the running mechanism, a lifting drive mechanism is installed on the upper end surface of the counterweight box, one end of the operating lever is connected to the lifting drive mechanism, and the other end of the operating lever is connected to the jack. When the T-beam bridge deck tensioning device provided by the utility model is used, the lifting drive mechanism provides power, the operating lever is used to lift the jack, and the bridge deck tensioning operation is carried out safely and reliably. It is simple to make, easy to operate, time-saving and labor-saving, safe and efficient, and is very suitable for the transverse tensioning operation of the railway T-beam bridge deck. BRIEF DESCRIPTION OF THE DRAWINGS
[0015] In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.
[0016] Figure 1 This is a front view of a T-beam bridge deck tensioning device provided by the utility model;
[0017] Figure 2 A top view of a T-beam bridge deck tensioning device provided by the utility model;
[0018] Figure 3 A diagram showing the use status of a T-beam bridge deck tensioning device provided by the utility model.
[0019] Description of reference numerals:
[0020] 1. Walking legs; 2. Main rollers; 3. Support platform; 4. Support columns; 5. Pin shafts; 6. Counterweight box; 7. Auxiliary rollers; 8. Cover plate; 9. Through hole; 10. Winch; 11. Operating lever; 12. Pull rope; 13. Mounting ring; 14. Connecting ring; 15. Jack; 16. Oil cylinder; 17. Oil pipe. DETAILED DESCRIPTION
[0021] In order to make the technical problems, technical solutions and beneficial effects to be solved by the present invention more clearly understood, the present invention is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention and are not used to limit the present invention.
[0022] See also Figures 1 to 3 Now, a T-beam bridge deck tensioning device provided by the utility model is described. A T-beam bridge deck tensioning device includes a running mechanism arranged on the bridge deck ballast retaining wall, the running mechanism moves along the length direction of the ballast retaining wall, a support frame is arranged at the upper end of the running mechanism, a counterweight box 6 is arranged on one side of the running mechanism, an oil cylinder 16 is arranged in the counterweight box 6, a lifting drive mechanism is arranged on the top of the counterweight box 6, an operating lever 11 is arranged on the top of the support frame, the middle part of the operating lever 11 is hinged with the top of the support frame, one end of the operating lever 11 is connected to the power end of the lifting drive mechanism, and the other end of the operating lever 11 is connected to the jack 15, and the jack 15 is connected to the oil cylinder 16 through the oil pipe 17.
[0023] The utility model provides a T-beam bridge deck tensioning device. Compared with the prior art, the running mechanism moves along the length direction of the ballast retaining wall, a support frame is arranged at the upper end of the running mechanism, the upper end of the support frame is hinged to the operating lever 11, a cylinder 16 is arranged in the counterweight box 6 on one side of the running mechanism, a lifting drive mechanism is installed on the upper end surface of the counterweight box 6, one end of the operating lever 11 is connected to the lifting drive mechanism, and the other end of the operating lever 11 is connected to the jack 15. When the T-beam bridge deck tensioning device provided by the utility model is used, the lifting drive mechanism provides power, and the operating lever 11 is used to lift the jack 15, so that the bridge deck tensioning operation is carried out safely and reliably. It is simple to make, easy to operate, time-saving and labor-saving, safe and efficient, and very suitable for the transverse tensioning operation of the railway T-beam bridge deck.
[0024] The running mechanism comprises a plurality of running legs 1 , which are symmetrically arranged in pairs on both sides of the ballast retaining wall, main rollers 2 are arranged at the lower ends of the running legs 1 , and a support frame is installed on the tops of the plurality of running legs 1 .
[0025] Specifically, the running mechanism includes four running legs 1, which are made of 10mm*10mm square steel. The four running legs 1 are symmetrically arranged on both sides of the ballast retaining wall in pairs. The main rollers 2 at the lower ends of the running legs 1 are universal wheels, and at least two of the four universal wheels are equipped with brakes.
[0026] The support frame includes a support platform 3 and a support column 4. The support platform 3 is horizontally fixed on the top of multiple running legs 1, and the support column 4 is vertically installed in the middle of the upper end surface of the support platform 3. A pin shaft 5 is provided on the top of the support column 4, and the middle part of the operating lever 11 is hinged to the top of the support column 4 through the pin shaft 5.
[0027] Specifically, the support platform 3 is welded by four 5mm*10mm square steels to form a 500mm*600mm frame structure, and the four running legs 1 are vertically welded to the four corners of the lower end surface of the above frame structure. A support plate is welded in the middle of the frame structure, and a support column 4 is vertically welded to the middle of the upper end surface of the support plate. The middle of the operating lever 11 is hinged to the top of the support column 4 through a pin 5, so that the two ends of the operating lever 11 can swing up and down.
[0028] The counterweight box 6 is fixed to one side of the running leg 1 on the same side of the running mechanism, and the counterweight box 6 is welded to the side surfaces of the two running legs 1 on the same side. An auxiliary roller 7 is arranged on the side of the lower end surface of the counterweight box 6 away from the running mechanism, and the auxiliary roller 7 is a universal wheel, and at least one of the two auxiliary rollers 7 has a brake.
[0029] The counterweight box 6 is welded into a frame structure using 4mm*6mm square steel. A cover plate 8 is welded on the top of the counterweight box 6. The lifting drive mechanism is fixed on the upper end surface of the cover plate 8. A through hole 9 is provided on the cover plate 8. The oil tank is fixed inside the counterweight box 6. The oil pipe 17 connected to the oil tank is connected to the jack 15 through the through hole 9. The counterweight box 6 and the oil tank are installed on the side of the running mechanism away from the jack 15, and serve as a counterweight to balance the stability of the entire tensioning device.
[0030] Tension ropes 12 are respectively provided at both ends of the operating lever 11, and the operating lever 11 is connected to the power end of the lifting drive mechanism and the jack 15 through the tension ropes 12. One of the tension ropes 12 is in a stretched state under the tension of the lifting drive mechanism, and the other tension rope 12 is also in a stretched state under the deadweight of the jack 15.
[0031] Mounting rings 13 are respectively provided at both ends of the operating lever 11, and a connecting ring 14 is provided at the upper end of the tension rope 12. The connecting ring 14 is sleeved in the corresponding mounting ring 13. When the tension rope 12 is not subjected to force, the connecting ring 14 can move circumferentially relative to the mounting ring 13. When the tension rope 12 is subjected to force, the connecting ring 14 is in a downwardly tightened state.
[0032] Specifically, the distance between the hinged position in the middle of the operating lever 11 and the end connected to the lifting drive mechanism is a, and the distance between the hinged position in the middle of the operating lever 11 and the end connected to the jack 15 is b, where a<b. In other words, the lifting drive mechanism is the force-applying end, the jack 15 is the force-receiving end, and the force arm of the side of the operating lever 11 connected to the jack 15 is greater than the force arm of the side of the operating lever 11 connected to the lifting drive mechanism. When the lifting distance of the power end of the lifting drive mechanism is short, the jack 15 can obtain a larger displacement in the height direction.
[0033] Preferably, the lifting drive mechanism is a winch 10.
[0034] See also Figure 3 When the T-beam bridge deck tensioning device provided by the utility model is used for construction, the initial state of the winch 10 is a fully wound state, the connection end of the operating lever 11 and the winch 10 is in a low position, and the device is pushed as a whole to the side of the tensioning channel to be tensioned, and the winch 10 is rotated to lower the connection end of the operating lever 11 and the jack 15, and the tensioning operation is started after the jack 15 is lowered to be flush with the steel strand. After the tensioning of the channel is completed, the winch 10 is rotated to move the jack 15 upward, leaving the tensioning channel, and hanging on the operating lever 11. Then the whole device is pushed to the side of another tensioning channel, and the tensioning of the next bundle of steel strands is started, and this cycle is repeated until all steel strands are tensioned.
[0035] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should be included in the protection scope of the present invention.
Claims
1. A T-beam bridge deck tensioning device, characterized in that: The invention comprises a running mechanism arranged on a ballast retaining wall of a bridge deck, wherein the running mechanism moves along the length direction of the ballast retaining wall, a support frame is arranged at the upper end of the running mechanism, a counterweight box (6) is arranged on one side of the running mechanism, an oil cylinder (16) is arranged in the counterweight box (6), a lifting drive mechanism is arranged at the top of the counterweight box (6), an operating lever (11) is arranged at the top of the support frame, the middle part of the operating lever (11) is hinged to the top end of the support frame, one end of the operating lever (11) is connected to the power end of the lifting drive mechanism, and the other end of the operating lever (11) is connected to a jack (15), and the jack (15) is connected to the oil cylinder (16) through an oil pipe (17).
2. A T-beam bridge deck tensioning device as claimed in claim 1, characterized in that: The running mechanism comprises a plurality of running legs (1), wherein the plurality of running legs (1) are symmetrically arranged in pairs on both sides of the ballast retaining wall, main rollers (2) are arranged at the lower ends of the running legs (1), and the support frame is installed on the tops of the plurality of running legs (1).
3. A T-beam bridge deck tensioning device as claimed in claim 2, characterized in that: The support frame comprises a support platform (3) and a support column (4), wherein the support platform (3) is horizontally fixed on the top of the plurality of running legs (1), and the support column (4) is vertically installed on the middle part of the upper end surface of the support platform (3). A pin shaft (5) is arranged on the top of the support column (4), and the middle part of the operating lever (11) is hinged to the top of the support column (4) through the pin shaft (5).
4. A T-beam bridge deck tensioning device as claimed in claim 2, characterized in that: The counterweight box (6) is fixed to one side of the running leg (1) on the same side of the running mechanism, and an auxiliary roller (7) is provided on the side of the lower end surface of the counterweight box (6) away from the running mechanism.
5. A T-beam bridge deck tensioning device as claimed in claim 4, characterized in that: The counterweight box (6) is a frame structure. A cover plate (8) is arranged on the top of the counterweight box (6). The lifting drive mechanism is arranged on the upper end surface of the cover plate (8). A through hole (9) is provided on the cover plate (8) for the oil supply pipe (17) to pass through.
6. A T-beam bridge deck tensioning device as claimed in claim 1, characterized in that: Pull ropes (12) are respectively provided at both ends of the operating lever (11), and the operating lever (11) is connected to the power end of the lifting drive mechanism and the jack (15) via the pull ropes (12).
7. A T-beam bridge deck tensioning device as claimed in claim 6, characterized in that: The two ends of the operating lever (11) are respectively provided with mounting rings (13), and the upper end of the tension rope (12) is provided with a connecting ring (14), and the connecting ring (14) is sleeved in the corresponding mounting ring (13).
8. The T-beam bridge deck tensioning device according to claim 1, characterized in that: The distance between the hinged position in the middle of the operating lever (11) and one end connected to the lifting drive mechanism is a, and the distance between the hinged position in the middle of the operating lever (11) and one end connected to the jack (15) is b, wherein a<b.
9. A T-beam bridge deck tensioning device as claimed in claim 1, characterized in that: The lifting drive mechanism is a winch (10).