CN210049114U - Capping beam prestress tensioning trolley capable of moving longitudinally and transversely - Google Patents
Capping beam prestress tensioning trolley capable of moving longitudinally and transversely Download PDFInfo
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- CN210049114U CN210049114U CN201920602252.XU CN201920602252U CN210049114U CN 210049114 U CN210049114 U CN 210049114U CN 201920602252 U CN201920602252 U CN 201920602252U CN 210049114 U CN210049114 U CN 210049114U
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- tensioning trolley
- prestress tensioning
- guide grooves
- trolley according
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Abstract
The utility model discloses a capping beam prestress tensioning trolley capable of moving longitudinally and transversely, which comprises a platform vertical frame, a moving beam and a lifting device; the platform vertical frame comprises a frame body formed by connecting two parallel horizontal cross beams and a plurality of longitudinal beams, a plurality of stand columns are arranged at the bottom of the frame body, and guide grooves extending along the length direction of the horizontal cross beams are formed in the horizontal cross beams; two ends of the movable beam are respectively arranged on the guide grooves of the two horizontal cross beams and can move along the extension direction of the guide grooves; the lifting device is connected to the movable beam and can move along the length direction of the movable beam, and the bottom end of the lifting device is used for being connected with the jack. The utility model discloses can lift by crane fast, install jack, improve the quality and the speed of prestressing force construction.
Description
Technical Field
The utility model relates to a bent cap prestressing force construction technical field, concretely relates to but longitudinal and transverse movement's bent cap prestressing force stretch-draw platform truck.
Background
At present, in the process of bridge construction, the application of prestress is the key of prestressed structure construction, and the quality of tensioning construction is directly related to the safety and durability of a full bridge. At present, the temporary support is generally adopted for building an operation platform in the prestressed capping beam, so that the support occupation time is long and the operation is inconvenient under the condition of short construction period. The jack is troublesome to install, parts are easy to damage and manpower and time are wasted due to the fact that manual work and gantry crane hoisting and installation are utilized in the previous construction, construction efficiency is not high, and construction quality is difficult to guarantee.
SUMMERY OF THE UTILITY MODEL
To the defect that exists among the prior art, the utility model aims to provide a but longitudinal and transverse movement's bent cap prestressing force stretch-draw platform truck can lift by crane fast, install the jack, has improved the quality and the speed of prestressing force construction.
In order to achieve the above purpose, the utility model adopts the technical proposal that: a vertically and horizontally movable capping beam prestress tensioning trolley comprises:
the platform vertical frame comprises a frame body formed by connecting two parallel horizontal cross beams and a plurality of longitudinal beams, wherein a plurality of stand columns are arranged at the bottom of the frame body, and guide grooves extending along the length direction of the horizontal cross beams are formed in the horizontal cross beams;
two ends of the movable beam are respectively arranged on the guide grooves of the two horizontal cross beams and can move along the extension direction of the guide grooves;
and the lifting device is connected to the movable beam and can move along the length direction of the movable beam, and the bottom end of the lifting device is connected with a jack.
Furthermore, first walking wheels are arranged at two ends of the movable beam, and the two first walking wheels are respectively connected in the guide grooves of the two horizontal cross beams in a rolling mode.
Further, the notch of the guide groove faces upward.
Furthermore, the notches of the two guide grooves are arranged opposite to each other, and the distance between the side walls, away from each other, of the two first walking wheels is greater than the distance between the notch of one guide groove and the bottom of the other guide groove and is smaller than the distance between the bottoms of the two guide grooves.
Furthermore, a driving motor is arranged on the movable beam, a power output end of the driving motor is connected with the first walking wheels through a gear set, and the driving motor is used for driving the movable beam to move along the extending direction of the guide groove.
Furthermore, the movable beam is I-shaped and comprises an upper flange, a web plate and a lower flange which are sequentially connected from top to bottom;
the tensioning trolley also comprises a hanging piece in a U-shaped structure and two second traveling wheels, and the two second traveling wheels are respectively connected to the inner walls of the two opposite side walls of the hanging piece; the distance between the two second walking wheels is larger than the thickness of the flange and smaller than the width of the lower flange; an accommodating space is formed between the second travelling wheel and the bottom of the hanging piece, the depth of the accommodating space is greater than the thickness of the lower flange, and the lower flange is accommodated in the accommodating space;
the lifting device is connected to the hanging piece.
Furthermore, horizontal extension sections extend from the two horizontal cross beams towards the same direction, and the two horizontal extension sections are connected through a plurality of anchoring rods for anchoring with the cover beam.
Further, the platform stand also comprises a baffle plate, the baffle plate is arranged between two adjacent vertical columns, and the horizontal cross beam is approximately vertical to the plane of the baffle plate.
Further, the platform stand still includes the scaffold board, the scaffold board is located the stand bottom and links to each other with each stand.
Further, the platform grudging post still includes the cat ladder, the cat ladder links to each other with the stand, and its top extends to and links to each other with horizontal cross beam.
Compared with the prior art, the utility model has the advantages of:
the utility model discloses simple structure, convenient operation, the walking beam can move on horizontal beam, elevating gear can follow the walking beam and remove, recycle elevating gear and lift by crane the jack, guaranteed that the jack can remove wantonly in X, Y, Z directions, and then remove the assigned position with the jack fast and install, simple to operate has saved engineering cost greatly, has greatly improved the quality and the speed of prestressing force construction, makes the work progress control more easily, the security and the durability of guarantee bridge.
Drawings
Fig. 1 is a schematic structural view of a prestressed tensioning trolley for a bent cap capable of moving longitudinally and transversely according to an embodiment of the present invention;
FIG. 2 is a view taken along line A-A of FIG. 1;
fig. 3 is a schematic view of the opposite directions of the notches of the guide grooves provided by the embodiment of the present invention;
FIG. 4 is an enlarged view of a portion B of FIG. 1;
FIG. 5 is a schematic view of the connection between the walking beam and the second running wheels in FIG. 4;
FIG. 6 is a schematic view of the connection between the walking beam and the first running wheels in FIG. 4.
In the figure: 1. a platform stand; 10. a horizontal cross beam; 100. a horizontally extending section; 101. an anchoring rod; 102. a vertically extending section; 11. a stringer; 12. a column; 13. a guide groove; 14. a baffle plate; 15. a scaffold board; 16. climbing a ladder; 2. a moving beam; 20. an upper flange; 21. a web; 22. a lower flange; 3. a lifting device; 4. a jack; 5. a first running wheel; 6. hanging and connecting pieces; 7. a second running wheel; 8. an accommodating space; 9. a capping beam; 90. a cable; 91. connecting ribs; 92. and (5) a stone-setting reinforcing steel bar.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and examples.
Referring to fig. 1 and 2, an embodiment of the present invention provides a capping beam prestress tensioning trolley capable of moving longitudinally and transversely, which includes a platform stand 1, a moving beam 2 and a lifting device 3; the platform vertical frame 1 comprises a frame body formed by connecting two parallel horizontal cross beams 10 and a plurality of longitudinal beams 11, in the embodiment, the number of the longitudinal beams is two, the horizontal cross beams 10 and the longitudinal beams 11 are connected end to form the frame body, a plurality of upright posts 12 are arranged at the bottom of the frame body, and a guide groove 13 extending along the length direction of the horizontal cross beam 10 is formed in the horizontal cross beam 10; the two ends of the movable beam 2 are respectively arranged on the guide grooves 13 of the two horizontal cross beams 10 and can move along the extending direction of the guide grooves 13, and the guide grooves 13 can limit the moving direction of the movable beam 2, so that the moving direction of the movable beam 2 is always parallel to the extending direction of the horizontal cross beams 10, and the movable beam 2 is prevented from deviating; the lifting device 3 is connected to the movable beam 2 and can move along the length direction of the movable beam 2, the bottom end of the lifting device 3 is used for being connected with the jack 4, and in the embodiment, the lifting device 3 adopts a hoist.
The utility model discloses simple structure, convenient operation, walking beam 2 can remove on horizontal beam 10, elevating gear 3 can follow walking beam 2 and remove, recycle elevating gear 3 and lift by crane jack 4, guaranteed jack 4 and can be moving wantonly in X, Y, Z directions, and then install jack 4 removal assigned position fast, simple to operate has saved engineering cost greatly, the quality and the speed of prestressing force construction have greatly been improved, make the work progress control more easily, the security and the durability of guarantee bridge.
Referring to fig. 2, the two ends of the movable beam 2 are respectively provided with the first traveling wheels 5, the first traveling wheels 5 at the two ends are respectively connected in the guide grooves 13 of the two horizontal beams 10 in a rolling manner, and the first traveling wheels 5 are arranged to change the friction between the movable beam 2 and the horizontal beams 10 into rolling friction, so that the friction between the movable beam 2 and the horizontal beams 10 is reduced, and the moving efficiency of the movable beam 2 is improved.
Of course, besides the way of using the first running wheels 5, guide plates made of low-friction material can be arranged in the guide grooves 13, guide protrusions are arranged at two ends of the movable beam 2, the guide protrusions are also made of low-friction material, and the guide protrusions are arranged in the guide grooves 13 in a sliding mode.
Referring to fig. 2, in an embodiment, the notch of the guide groove 13 faces upward, and at this time, a channel steel can be adopted, on one hand, the groove of the channel steel can be directly utilized, which is simple and convenient, and does not need to be re-grooved, and on the other hand, the channel steel is common in a bridge and can be obtained from local materials.
In a further embodiment, as shown in fig. 3, the notches of the two guide grooves 13 are arranged opposite to each other, and the distance L between the mutually distant side walls of the first running wheels 5 is greater than the distance L1 between the notch of one of the guide grooves 13 and the groove bottom L1 of the other guide groove 13 and less than the distance L2 between the groove bottoms of the two guide grooves 13.
The moving beam 2 is provided with a driving motor, a power output end of the driving motor is connected with the first walking wheel 5 through a gear set, the driving connection mode is common, and the driving motor is used for driving the moving beam 2 to move along the extending direction of the guide groove 13. By driving the motor, the movement of the movable beam 2 is more conveniently controlled.
Referring to fig. 4 to 6, the movable beam 2 is i-shaped, and includes an upper flange 20, a web 21, and a lower flange 22, which are connected in sequence from top to bottom; the tensioning trolley also comprises a hanging piece 6 in a U-shaped structure and two second travelling wheels 7, wherein the two second travelling wheels 7 are respectively connected to the inner walls of the two opposite side walls of the hanging piece 6; the distance between the two second running wheels 7 is larger than the thickness of the web plate 21 and smaller than the width of the lower flange 22, and the diameter of the second running wheels 7 is smaller than the width of the web plate 21; an accommodating space 8 is formed between the second walking wheels 7 and the bottom of the hanging piece 6, the depth H of the accommodating space 8 is larger than the thickness of the lower flange 22, when the hanging piece 6 is hung on the movable beam 2 through the two second walking wheels 7, the lower flange 22 is accommodated in the accommodating space 8, the second walking wheels 7 are borne on the lower flange 22, the web 21 is located between the two second walking wheels 7, at the moment, the two second walking wheels 7 can roll on the lower flange 22 along the length direction of the movable beam 2, and the lifting device 3 is connected to the hanging piece 6, so that the lifting device 3 is driven to move. Since the i-beams are common in the bridge, in the embodiment, the movable beam 2 is made of i-beams, which can be obtained from local materials.
In order to control the movement of the mobile beam 2, a drive motor may be provided, which is also connected to the second running wheels 7 via a gear train, so that the rolling of the second running wheels 7 is more easily controlled.
Referring to fig. 1, the two horizontal beams 10 are extended with horizontal extension sections 100 in the same direction, and the two horizontal extension sections 100 are connected with each other through a plurality of anchoring rods 101 for anchoring with the capping beam 9. When the tensioning trolley is used, one end of the cable 90 is connected with the bent cap 9, and the other end of the cable bypasses the anchoring rod 101 and then is connected with the bent cap 9, so that the tensioning trolley is anchored with the bent cap 9;
referring to fig. 1, a vertically extending section 102 extends downward from the horizontally extending section 100, and the vertically extending section 102 is welded to the reinforcing bars 92 of the bolster on the cover beam 9 by using the connecting ribs 91.
Referring to fig. 2, the platform stand 1 further comprises a baffle 14, the baffle 14 is arranged between two adjacent vertical columns 12, and the horizontal cross beam 10 is approximately vertical to the plane of the baffle 14.
Referring to fig. 2, the platform stand 1 further comprises a scaffold board 15, the scaffold board 15 being located at the bottom of the columns 12 and connected to each column 12. Both the apron 14 and the scaffold board 15 may serve a protective function.
Referring to figure 1, the platform riser 1 further comprises a ladder 16, the ladder 16 being connected to the uprights 12 and extending at the top to be connected to the horizontal cross-member 10.
The present invention is not limited to the above embodiments, and for those skilled in the art, a plurality of improvements and decorations can be made without departing from the principle of the present invention, and these improvements and decorations are also considered to be within the protection scope of the present invention. Those not described in detail in this specification are within the skill of the art.
Claims (10)
1. A capping beam prestress tensioning trolley capable of moving longitudinally and transversely is characterized by comprising:
the platform vertical frame (1) comprises a frame body formed by connecting two parallel horizontal cross beams (10) and a plurality of longitudinal beams (11), wherein a plurality of upright posts (12) are arranged at the bottom of the frame body, and a guide groove (13) extending along the length direction of the horizontal cross beam (10) is formed in the horizontal cross beam (10);
the two ends of the movable beam (2) are respectively arranged on the guide grooves (13) of the two horizontal cross beams (10) and can move along the extension direction of the guide grooves (13);
and the lifting device (3) is connected to the movable beam (2) and can move along the length direction of the movable beam (2), and the bottom end of the lifting device (3) is connected with a jack (4).
2. The vertically and horizontally movable capping beam prestress tensioning trolley according to claim 1, wherein: and first walking wheels (5) are arranged at two ends of the movable beam (2), and the two first walking wheels (5) are respectively connected in the guide grooves (13) of the two horizontal cross beams (10) in a rolling manner.
3. The vertically and horizontally movable capping beam prestress tensioning trolley according to claim 2, wherein: the notch of the guide groove (13) faces upwards.
4. The vertically and horizontally movable capping beam prestress tensioning trolley according to claim 2, wherein: the notches of the two guide grooves (13) are arranged opposite to each other, and the distance between the side walls of the two first walking wheels (5) which are far away from each other is greater than the distance between the notch of one guide groove (13) and the bottom of the other guide groove (13) and smaller than the distance between the bottoms of the two guide grooves (13).
5. The vertically and horizontally movable capping beam prestress tensioning trolley according to claim 2, wherein: the movable beam (2) is provided with a driving motor, the power output end of the driving motor is connected with the first walking wheels (5) through a gear set, and the driving motor is used for driving the movable beam (2) to move along the extending direction of the guide groove (13).
6. The vertically and horizontally movable capping beam prestress tensioning trolley according to claim 1, wherein:
the movable beam (2) is I-shaped and comprises an upper flange (20), a web plate (21) and a lower flange (22) which are sequentially connected from top to bottom;
the tensioning trolley also comprises a hanging piece (6) in a U-shaped structure and two second travelling wheels (7), wherein the two second travelling wheels (7) are respectively connected to the inner walls of the two opposite side walls of the hanging piece (6); the distance between the two second running wheels (7) is larger than the thickness of the web (21) and smaller than the width of the lower flange (22); an accommodating space (8) is formed between the second walking wheel (7) and the bottom of the hanging piece (6), the depth of the accommodating space (8) is greater than the thickness of the lower flange (22), and the lower flange (22) is accommodated in the accommodating space (8);
the lifting device (3) is connected to the hanging piece (6).
7. The vertically and horizontally movable capping beam prestress tensioning trolley according to claim 1, wherein: horizontal extension sections (100) extend towards the same direction from the two horizontal cross beams (10), and the two horizontal extension sections (100) are connected through a plurality of anchoring rods (101) for anchoring with the cover beam (9).
8. The vertically and horizontally movable capping beam prestress tensioning trolley according to claim 1, wherein: the platform stand (1) further comprises a baffle (14), the baffle (14) is arranged between the two adjacent upright posts (12), and the horizontal cross beam (10) is approximately vertical to the plane of the baffle (14).
9. The vertically and horizontally movable capping beam prestress tensioning trolley according to claim 1, wherein: the platform stand (1) further comprises scaffold boards (15), and the scaffold boards (15) are located at the bottoms of the stand columns (12) and connected with the stand columns (12).
10. The vertically and horizontally movable capping beam prestress tensioning trolley according to claim 1, wherein: the platform stand (1) further comprises a ladder stand (16), wherein the ladder stand (16) is connected with the upright post (12), and the top of the ladder stand (16) extends to be connected with the horizontal cross beam (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920602252.XU CN210049114U (en) | 2019-04-28 | 2019-04-28 | Capping beam prestress tensioning trolley capable of moving longitudinally and transversely |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920602252.XU CN210049114U (en) | 2019-04-28 | 2019-04-28 | Capping beam prestress tensioning trolley capable of moving longitudinally and transversely |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210049114U true CN210049114U (en) | 2020-02-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920602252.XU Active CN210049114U (en) | 2019-04-28 | 2019-04-28 | Capping beam prestress tensioning trolley capable of moving longitudinally and transversely |
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| Country | Link |
|---|---|
| CN (1) | CN210049114U (en) |
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- 2019-04-28 CN CN201920602252.XU patent/CN210049114U/en active Active
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