CN209737966U - spacing adjusting device of prestressed concrete track slab tensioning system - Google Patents
spacing adjusting device of prestressed concrete track slab tensioning system Download PDFInfo
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- CN209737966U CN209737966U CN201920265518.6U CN201920265518U CN209737966U CN 209737966 U CN209737966 U CN 209737966U CN 201920265518 U CN201920265518 U CN 201920265518U CN 209737966 U CN209737966 U CN 209737966U
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Abstract
the utility model provides an interval adjusting device of a prestressed concrete track slab tensioning system, which comprises a supporting structure and a conversion structure, wherein the conversion structure is arranged between two adjacent tensioning locking mechanisms through the supporting structure; the conversion structure comprises a coupler, a transmission part and a conversion block which are connected in sequence, an output shaft of the driving device is fixedly connected with the coupler, the driving device drives the conversion block through the transmission part, and the conversion block is used for adjusting the distance between two adjacent tensioning locking mechanisms. Prestressed concrete track board stretch-draw system's interval adjusting device can change the distance between two adjacent stretch-draw locking mechanism in a flexible way through the transform structure, can change in a flexible way between the stretch-draw system of difference, make the prestressed track board of multiple model.
Description
Technical Field
The utility model belongs to the technical field of prestressed track board makes, especially, relate to an interval adjusting device of prestressed concrete track board stretch-draw system.
Background
In the prestressed track slab manufacturing process, the reinforcing steel bars in the steel mould (track slab mould) need to be tensioned through the tensioning system, and the track slab comprises multiple specifications, so the corresponding steel mould also needs multiple specifications, and the steel mould is different in specification, the quantity of the transversely arranged reinforcing steel bars in the steel mould and the interval between the reinforcing steel bars are different, so that the tensioning system also needs to correspond to the reinforcing steel bars in the steel mould.
However, each steel die corresponds to one tensioning system, different steel dies correspond to different tensioning systems, and if track slabs with various specifications are manufactured, tensioning systems with various specifications need to be manufactured, so that the cost investment is increased.
disclosure of Invention
In view of this, the utility model aims at providing a prestressed concrete track slab stretch-draw system's interval adjusting device to solve the problem that every stretch-draw system that has now can only carry out the stretch-draw to a steel mould.
In order to achieve the above purpose, the technical scheme of the utility model is realized like this:
A spacing adjusting device of a prestressed concrete track slab tensioning system comprises a supporting structure and a conversion structure, wherein the conversion structure is arranged between two adjacent tensioning locking mechanisms through the supporting structure;
The conversion structure comprises a coupler, a transmission part and a conversion block which are connected in sequence, an output shaft of the driving device is fixedly connected with the coupler, the driving device drives the conversion block through the transmission part, and the conversion block is used for adjusting the distance between two adjacent tensioning locking mechanisms.
furthermore, the driving device comprises a motor and a speed reducer connected with the motor, and an output shaft of the speed reducer is fixedly connected with the coupler.
Furthermore, the transmission part comprises a bearing seat, a conversion block, a driving gear and a driven gear, wherein the driving gear and the driven gear are arranged above the bearing seat;
The bearing seat is also provided with a bearing groove corresponding to the driven gear and a bearing correspondingly, the driven gear is fixedly connected with the bearing through a long shaft, the bottom of the long shaft penetrates through the bearing seat and extends out to the lower part of the bearing seat, and the bottom of the long shaft is fixedly connected with the conversion block;
The conversion block is an axisymmetric polyhedral steel block, and the surface of the conversion block, which is attached to the tensioning locking mechanisms, is changed through rotation, so that the distance between the two tensioning locking mechanisms is changed.
Furthermore, two driven gears are arranged on the bearing seat and are in meshed connection with the driving gear.
Furthermore, a hole corresponding to the long shaft is formed in the conversion block, the bottom of the long shaft extends to the lower portion of the conversion block through the hole, external threads are formed in the bottom of the long shaft, and the bottom of the conversion block is fixed with the long shaft through a nut.
furthermore, the side surface of the long shaft is vertically provided with a limiting groove, corresponding grooves are formed above the driven gear and the conversion block, a limiting block is correspondingly arranged in the limiting groove, and the long shaft, the driven gear and the conversion block are prevented from rotating radially through the limiting block.
Further, the conversion block comprises a hexagonal prism steel block, the hexagon of the cross section of the hexagonal prism steel block is in an axisymmetric structure, the hexagonal prism steel block comprises three groups of opposite side faces, and the distances between the opposite side faces of each group are different.
furthermore, the conversion block comprises two hexagonal prism steel blocks, the two hexagonal prism steel blocks are connected through a connecting column, and the installation directions of the two hexagonal prism steel blocks are the same.
Further, bearing structure includes two supporting steel plate, be equipped with on the bearing frame with the corresponding recess of supporting steel plate, supporting steel plate passes through the bolt fastening in the recess, supporting steel plate sets up on two adjacent stretch-draw locking mechanism to with stretch-draw locking mechanism sliding connection.
compared with the prior art, prestressed concrete track board stretch-draw system's interval adjusting device have following advantage:
Prestressed concrete track board stretch-draw system's interval adjusting device can change the distance between two adjacent stretch-draw locking mechanism in a flexible way through the transform structure, can change in a flexible way between the stretch-draw system of difference, make the prestressed track board of multiple model.
Drawings
The accompanying drawings, which form a part hereof, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention without undue limitation. In the drawings:
Fig. 1 is an overall structure diagram of an interval adjusting device of a prestressed concrete track slab tensioning system according to an embodiment of the present invention;
FIG. 2 is a view of a bearing seat structure according to an embodiment of the present invention;
Fig. 3 is a diagram of a conversion block according to an embodiment of the present invention;
Fig. 4 is a long axis structure diagram according to an embodiment of the present invention.
Description of reference numerals:
1. A bearing seat; 11. a bearing groove; 2. a driving gear; 3. a coupling; 4. a long axis; 41. a limiting groove; 5. a conversion block; 51. a hexagonal prism steel block; 52. connecting columns; 6. a driven gear; 7. and supporting the steel plate.
Detailed Description
It should be noted that, in the present invention, the embodiments and features of the embodiments may be combined with each other without conflict.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are used merely for convenience of description and for simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.
in the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.
The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.
The tensioning system is used for tensioning the prestressed steel bars in the steel die and comprises a plurality of tensioning locking mechanisms, the steel bars to be tensioned are locked through the tensioning locking mechanisms, and then tensioning is carried out. Because the interval between the reinforcing bar of the track board of different specification models is different, generally need different stretch-draw systems to carry out the stretch-draw to the reinforcing bar of different steel moulds, this scheme can change the interval between the stretch-draw locking mechanism in a flexible way, and then deals with the reinforcing bar of different intervals.
As shown in fig. 1, a distance adjusting device of a prestressed concrete track slab tensioning system comprises a supporting structure and a conversion structure, wherein the conversion structure is installed between two adjacent tensioning locking mechanisms through the supporting structure;
The conversion structure comprises a coupler 3, a transmission part and a conversion block 5 which are connected in sequence, an output shaft of the driving device is fixedly connected with the coupler 3, the driving device drives the conversion block 5 through the transmission part, and the conversion block 5 is used for adjusting the distance between two adjacent tensioning locking mechanisms.
The driving device comprises a motor and a speed reducer connected with the motor, and an output shaft of the speed reducer is fixedly connected with the coupler 3.
as shown in fig. 1 and 2, the transmission part includes a bearing seat 1, a conversion block 5, and a driving gear 2 and a driven gear 6 which are installed above the bearing seat 1, a rotating shaft is arranged at the axis position of the driving gear 2, a bearing groove 11 corresponding to the driving gear 2 is arranged on the bearing seat 1, a bearing is installed in the bearing groove 11, the lower part of the rotating shaft is fixedly connected with the bearing, a bearing gland is correspondingly arranged on the bearing, and the top of the rotating shaft is fixedly connected with the coupling 3;
The bearing seat 1 is also provided with a bearing groove 11 corresponding to the driven gear 6 and a bearing correspondingly, the driven gear 6 and the bearing are fixedly connected through a long shaft 4, the bottom of the long shaft 4 penetrates through the bearing seat 1 and extends out to the lower part of the bearing seat 1, and the bottom of the long shaft 4 is fixedly connected with the conversion block 5;
The conversion block 5 is an axisymmetric polyhedral steel block, and the surface of the conversion block 5, which is attached to the tensioning locking mechanisms, is changed through rotation, so that the distance between the two tensioning locking mechanisms is changed.
two driven gears 6 are arranged on the bearing seat 1, and the two driven gears 6 are meshed with the driving gear 2.
The control system controls the motor to operate, the motor drives the driving gear 2 to rotate through the speed reducer, and the driving gear 2 drives the two driven gears 6 to rotate so as to drive the conversion block 5 to rotate.
As shown in fig. 3 and 4, a hole corresponding to the long shaft 4 is formed in the conversion block 5, the bottom of the long shaft 4 extends to the lower side of the conversion block 5 through the hole, an external thread is formed at the bottom of the long shaft 4, and the bottom of the conversion block 5 is fixed to the long shaft 4 through a nut.
The side surface of the long shaft 4 is vertically provided with a limiting groove 41, corresponding grooves are formed above the driven gear 6 and the conversion block 5, a limiting block is correspondingly arranged in the limiting groove 41, and the long shaft 4 is prevented from rotating radially with the driven gear 6 and the conversion block 5 through the limiting block.
The conversion block 5 comprises a hexagonal prism steel block 51, the hexagon of the cross section of the hexagonal prism steel block 51 is in an axisymmetric structure, the hexagonal prism steel block 51 comprises three groups of opposite side faces, and the distances between the opposite side faces of each group are different.
The conversion block 5 comprises two hexagonal prism steel blocks 51, the two hexagonal prism steel blocks 51 are connected through a connecting column 52, and the installation directions of the two hexagonal prism steel blocks 51 are the same. At present, the track slab comprises three types, so different groups of opposite side surfaces are attached to the tensioning locking mechanisms by rotating the hexagonal prism steel block 51, and because the distances between the side surfaces of each group are different, two adjacent tensioning locking mechanisms can be selected among three distances, and each surface is converted to change the distance between one sides.
As shown in fig. 1, the supporting structure includes two supporting steel plates, be equipped with on the bearing frame with the corresponding recess of supporting steel plate, the supporting steel plate passes through the bolt fastening in the recess, the supporting steel plate sets up on two adjacent stretch-draw locking mechanism to with stretch-draw locking mechanism sliding connection. When the distance is changed, the distance between two adjacent tensioning locking mechanisms needs to be enlarged firstly, then the conversion block is rotated, and the surface attached between the conversion block and the tensioning locking mechanisms is switched, so that the supporting steel plate is only in sliding connection with the tensioning locking mechanisms, the influence on the distance adjustment between the two tensioning locking mechanisms is avoided, and the length of the supporting steel plate is certainly larger than the adjustable maximum distance between the two tensioning locking mechanisms.
The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (9)
1. the utility model provides a prestressed concrete track board stretch-draw system's interval adjusting device which characterized in that: the tensioning and locking device comprises a supporting structure and a conversion structure, wherein the conversion structure is arranged between two adjacent tensioning and locking mechanisms through the supporting structure;
The conversion structure comprises a coupler (3), a transmission part and a conversion block (5) which are connected in sequence, an output shaft of the driving device is fixedly connected with the coupler (3), the driving device drives the conversion block (5) through the transmission part, and the conversion block (5) is used for adjusting the distance between two adjacent tensioning locking mechanisms.
2. The interval adjusting apparatus of a prestressed concrete track slab tensioning system according to claim 1, wherein: the driving device comprises a motor and a speed reducer connected with the motor, and an output shaft of the speed reducer is fixedly connected with the coupler (3).
3. The interval adjusting apparatus of a prestressed concrete track slab tensioning system according to claim 1, wherein: the transmission part comprises a bearing seat (1), a conversion block (5), a driving gear (2) and a driven gear (6), wherein the driving gear (2) and the driven gear (6) are arranged above the bearing seat (1), a rotating shaft is arranged at the axis position of the driving gear (2), a bearing groove (11) corresponding to the driving gear (2) is formed in the bearing seat (1), a bearing is arranged in the bearing groove (11), the lower part of the rotating shaft is fixedly connected with the bearing, a bearing gland is correspondingly arranged on the bearing, and the top of the rotating shaft is fixedly connected with the coupler (3);
The bearing seat (1) is further provided with a bearing groove (11) corresponding to the driven gear (6) and a bearing correspondingly, the driven gear (6) and the bearing are fixedly connected through a long shaft (4), the bottom of the long shaft (4) penetrates through the bearing seat (1) and extends out to the lower side of the bearing seat (1), and the bottom of the long shaft (4) is fixedly connected with the conversion block (5);
The conversion block (5) is an axisymmetric polyhedral steel block, and the joint surface of the conversion block (5) and the tensioning locking mechanisms is changed through rotation, so that the distance between the two tensioning locking mechanisms is changed.
4. The interval adjusting apparatus of a prestressed concrete track slab tensioning system according to claim 3, wherein: two driven gears (6) are arranged on the bearing seat (1), and the two driven gears (6) are meshed with the driving gear (2).
5. The interval adjusting apparatus of a prestressed concrete track slab tensioning system according to claim 3, wherein: the conversion block (5) is provided with a hole corresponding to the long shaft (4), the bottom of the long shaft (4) extends to the lower part of the conversion block (5) through the hole, the bottom of the long shaft (4) is provided with an external thread, and the bottom of the conversion block (5) is fixed with the long shaft (4) through a nut.
6. A distance adjusting apparatus of a prestressed concrete track slab tensioning system according to any one of claims 3 to 5, wherein: the vertical spacing groove (41) of opening in major axis (4) side, corresponding recess has all been opened to the top of driven gear (6) and conversion piece (5), the correspondence is equipped with the stopper in spacing groove (41), prevents through the stopper that major axis (4) and driven gear (6), conversion piece (5) between radial rotation.
7. the interval adjusting apparatus of a prestressed concrete track slab tensioning system according to claim 3, wherein: the conversion block (5) comprises a hexagonal prism steel block (51), the hexagon of the cross section of the hexagonal prism steel block (51) is of an axisymmetric structure, the hexagonal prism steel block (51) comprises three sets of opposite side faces, and the distances between the opposite side faces of each set are different.
8. the spacing adjustment device of a prestressed concrete track slab tensioning system according to claim 6, wherein: the conversion block (5) comprises two hexagonal prism steel blocks (51), the two hexagonal prism steel blocks (51) are connected through a connecting column (52), and the installation directions of the two hexagonal prism steel blocks (51) are the same.
9. The interval adjusting apparatus of a prestressed concrete track slab tensioning system according to claim 3, wherein: the supporting structure comprises two supporting steel plates (7), grooves corresponding to the supporting steel plates (7) are formed in the bearing seat (1), the supporting steel plates (7) are fixed in the grooves through bolts, and the supporting steel plates (7) are erected on two adjacent tensioning locking mechanisms and are in sliding connection with the tensioning locking mechanisms.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920265518.6U CN209737966U (en) | 2019-03-01 | 2019-03-01 | spacing adjusting device of prestressed concrete track slab tensioning system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920265518.6U CN209737966U (en) | 2019-03-01 | 2019-03-01 | spacing adjusting device of prestressed concrete track slab tensioning system |
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| CN209737966U true CN209737966U (en) | 2019-12-06 |
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| CN201920265518.6U Active CN209737966U (en) | 2019-03-01 | 2019-03-01 | spacing adjusting device of prestressed concrete track slab tensioning system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109795030A (en) * | 2019-03-01 | 2019-05-24 | 河间市银龙轨道有限公司 | A kind of spacing adjusting device of prestressed concrete railway board tensioning system |
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2019
- 2019-03-01 CN CN201920265518.6U patent/CN209737966U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109795030A (en) * | 2019-03-01 | 2019-05-24 | 河间市银龙轨道有限公司 | A kind of spacing adjusting device of prestressed concrete railway board tensioning system |
| CN109795030B (en) * | 2019-03-01 | 2023-12-19 | 河间市银龙轨道有限公司 | Spacing adjusting device of prestressed concrete track slab tensioning system |
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