CN209887854U - Novel prestressed track slab tensioning device - Google Patents
Novel prestressed track slab tensioning device Download PDFInfo
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- CN209887854U CN209887854U CN201920268232.3U CN201920268232U CN209887854U CN 209887854 U CN209887854 U CN 209887854U CN 201920268232 U CN201920268232 U CN 201920268232U CN 209887854 U CN209887854 U CN 209887854U
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Abstract
The utility model provides a novel prestressed track slab tensioning device, which comprises a transverse tensioning unit and a longitudinal tensioning unit, wherein the longitudinal tensioning unit is used for tensioning longitudinal prestressed reinforcements in a track slab die, and the transverse tensioning unit is used for tensioning transverse prestressed reinforcements in the track slab die; the longitudinal tensioning unit and the transverse tensioning unit comprise a plurality of steel bar tensioning locking mechanisms, a distance adjusting mechanism is arranged between the steel bar tensioning locking mechanisms of the transverse tensioning unit, and the distance between two adjacent steel bar tensioning locking mechanisms is changed through the distance adjusting mechanism. Novel prestressing force track board tensioning equipment in order to change the interval between the reinforcing bar stretch-draw locking mechanism in a flexible way through interval adjustment mechanism to the track board of different specifications is made in the adaptation, the track board of multiple specification model can be made through a tensioning equipment, the effectual cost that has reduced drops into.
Description
Technical Field
The utility model belongs to the technical field of prestressed track board makes, especially, relate to a novel prestressed track board stretch-draw device.
Background
The tensioning system is applied to the track slab manufacturing industry and used for tensioning prestressed reinforcements in a track slab mould, and generally comprises a transverse tensioning device and a longitudinal tensioning device, wherein the conventional track slab comprises a plurality of specifications and models, the longitudinal widths of the track slabs with different specifications and models are the same, the number and the intervals of longitudinally distributed reinforcements are also the same, the transverse lengths are different and are roughly divided into three lengths, the number and the intervals of transversely distributed reinforcements of each track slab are different, but the intervals between the reinforcement tensioning locking mechanisms of the conventional tensioning device are fixed, so that each tensioning device can only manufacture track slabs with one specification and model, and thus, when the track slabs with various specifications and models are manufactured, a plurality of tensioning devices are needed, and the manufacturing cost is high.
Disclosure of Invention
In view of this, the present invention is directed to a novel prestressed track slab tensioning apparatus to solve the problem that the existing tensioning apparatus can only manufacture track slabs of one specification and model.
In order to achieve the above purpose, the technical scheme of the utility model is realized like this:
a novel prestressed track slab tensioning device comprises a transverse tensioning unit and a longitudinal tensioning unit, wherein the longitudinal tensioning unit is used for tensioning longitudinal prestressed reinforcements in a track slab mold, and the transverse tensioning unit is used for tensioning transverse prestressed reinforcements in the track slab mold;
the longitudinal tensioning unit and the transverse tensioning unit comprise a plurality of steel bar tensioning locking mechanisms, the steel bar tensioning locking mechanisms of the longitudinal tensioning unit are fixedly connected, an interval adjusting mechanism is arranged between the steel bar tensioning locking mechanisms of the transverse tensioning unit, and the interval between two adjacent steel bar tensioning locking mechanisms is changed through the interval adjusting mechanism.
Further, horizontal stretch-draw unit includes the workstation, be equipped with linear guide on the workstation, reinforcing bar stretch-draw locking mechanism's below be equipped with the corresponding sharp slider of linear guide, reinforcing bar stretch-draw locking mechanism all passes through sharp slider and linear guide sliding connection.
Furthermore, adjacent steel bar tensioning locking mechanisms of the transverse tensioning unit are connected through a connecting plate;
the connecting plate is provided with two distance adjusting holes, the distance adjusting holes are long-strip-shaped, the distance adjusting holes are correspondingly provided with fixing bolts, the fixing bolts are fixedly installed on the steel bar tensioning and locking mechanism, and the width of the distance adjusting holes is larger than the diameter of the fixing bolts.
Furthermore, the transverse tensioning unit is also correspondingly provided with a push-pull mechanism, the push-pull mechanism is arranged at the end part of the transverse tensioning unit and is fixedly connected with the reinforcing steel bar tensioning locking mechanism at the end part, and the reinforcing steel bar tensioning locking mechanism at the end part is pulled outwards or pushed inwards through the push-pull mechanism;
and the reinforcing steel bar tensioning and locking mechanism far away from the other end of the push-pull mechanism is fixedly installed on the workbench.
Further, still be equipped with elevating system in the below of workstation, elevating system includes lift cylinder, lift cylinder connects tensioning equipment's control system, lift cylinder sets up the bottom at the workstation, the bottom of workstation still is equipped with guide post and guide sleeve.
Further, the distance adjusting mechanism comprises a supporting structure and a conversion structure, and the conversion structure is arranged between two adjacent steel bar tensioning and 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 steel bar tensioning locking mechanisms.
Further, 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 coupling;
the transmission part comprises a bearing seat, a conversion block, a driving gear and two driven gears, wherein the driving gear and the driven gears are arranged above the bearing seat, the two driven gears are symmetrically distributed around the driving gear and are meshed with the driving gear, a rotating shaft is arranged at the axis position of the driving gear, a bearing groove corresponding to the driving gear is formed in the bearing seat, a bearing is arranged in the bearing groove, 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 a coupler;
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 steel bar tensioning locking mechanism, is changed through rotation, so that the distance between the two steel bar tensioning locking mechanisms is changed.
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;
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 the supporting steel plate of installing on the bearing frame through the bolt, be equipped with the recess that corresponds with the supporting steel plate on the bearing frame, the both ends of supporting steel plate are taken on reinforcing bar stretch-draw locking mechanism's hydro-cylinder to with the top sliding connection of hydro-cylinder.
Compared with the prior art, novel prestressing force track board stretch-draw device have following advantage:
novel prestressing force track board tensioning equipment's horizontal stretch-draw unit can change the interval between the reinforcing bar stretch-draw locking mechanism through interval adjustment mechanism is nimble to the track board of different specifications is made in the adaptation, can make the track board of multiple specification model through a tensioning equipment, the effectual cost that has reduced drops into.
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 a top view of a transverse tension unit according to an embodiment of the present invention;
fig. 2 is a side view of a transverse tension unit according to an embodiment of the present invention;
fig. 3 is a top connection view of a reinforcing bar tensioning and locking mechanism according to an embodiment of the present invention;
fig. 4 is an overall structural view of a spacing adjustment mechanism according to an embodiment of the present invention;
fig. 5 is a structural diagram of a bearing seat according to an embodiment of the present invention;
fig. 6 is a diagram of a conversion block according to an embodiment of the present invention;
fig. 7 is a long axis structure diagram according to an embodiment of the present invention.
Description of reference numerals:
1. a work table; 2. a lifting mechanism; 21. a lift cylinder; 22. a guide post; 3. a linear guide rail; 4. a steel bar tensioning and locking mechanism; 5. a linear slider; 6. a spacing adjustment mechanism; 61. a bearing seat; 611. a bearing groove; 62. a driving gear; 63. a coupling; 64. a long axis; 641. a limiting groove; 65. a conversion block; 651. a hexagonal prism steel block; 652. connecting columns; 66. a driven gear; 67. a support steel plate; 7. a connecting plate; 71. and a space adjusting hole.
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.
As shown in fig. 1 and 2, a novel prestressed track slab tensioning device includes a transverse tensioning unit and a longitudinal tensioning unit, where the longitudinal tensioning unit is used to tension longitudinal prestressed reinforcements in a track slab mold, and the transverse tensioning unit is used to tension transverse prestressed reinforcements in the track slab mold;
vertical stretch-draw unit and horizontal stretch-draw unit all include a plurality of reinforcing bar stretch-draw locking mechanism 4, adopt fixed connection between the reinforcing bar stretch-draw locking mechanism 4 of vertical stretch-draw unit, be equipped with interval adjustment mechanism 6 between the reinforcing bar stretch-draw locking mechanism 4 of horizontal stretch-draw unit, change the interval between two adjacent reinforcing bar stretch-draw locking mechanism 4 through interval adjustment mechanism 6. Only one distance adjusting mechanism 6 is marked in fig. 1, and one distance adjusting mechanism 6 is installed between every two adjacent steel bar tensioning adjusting mechanisms.
The longitudinal tensioning units are not provided with a spacing adjusting mechanism because the number and the spacing of the longitudinal steel bars of the track slab are the same.
The working process of the longitudinal tensioning unit is as follows:
the whole longitudinal tensioning unit is descended to a working position from a lifting state, the worktable 1 transverse moving mechanism pushes the worktable 1 forwards to move to a tensioning rod to be contacted with a pulling claw, and then tensioning operation is started. And after the tensioning and static stopping are finished, the locking mechanism starts to work. The upper and lower cross beams are close to fixed positions, the constant-torque motor starts to rotate to drive the straight bevel gear to rotate, and the air cylinder pushes the whole constant-torque motor and the straight bevel gear to move forwards to lock the tension rod locking cap. And after the locking torque is reached, the constant-torque motor is passively stopped to rotate, the air cylinder retreats, and the constant-torque motor is stopped. At the moment, after the longitudinal tensioning oil cylinder starts to push the piston rod to the maximum position, the oil cylinder of the transverse moving mechanism of the workbench 1 works to pull the workbench 1 to retreat to the preset position. Then the lifting oil cylinder 21 works to push the whole lifting platform, the workbench 1, the oil cylinder and other system mechanisms to rise, and the work cycle is completed.
The working process of the transverse tensioning unit is as follows:
the whole transverse tensioning unit is descended to a working position from a lifting state, the hook of the reinforcing steel bar tensioning locking mechanism 4 is synchronously connected to the position of the tensioning rod, and then tensioning operation is started. After the stretching and static stopping are finished, the steel bar stretching and locking mechanism 4 starts to work, the constant-torque motor starts to rotate to drive the straight bevel gear to rotate, and the air cylinder pushes the whole constant-torque motor and the straight bevel gear to move forwards to lock the stretching rod locking cap. And after the locking torque is reached, the constant-torque motor is passively stopped to rotate, the air cylinder retreats, and the constant-torque motor is stopped. At the moment, after the tensioning oil cylinder starts to push the piston rod to the maximum position, the tensioning oil cylinder reset spring pulls the oil cylinder to automatically retreat to the preset position, the lifting oil cylinder 21 works to push the whole lifting platform, the workbench 1, the oil cylinder and other system mechanisms to lift, and the work cycle is completed.
The working process is the working process of the steel bar tensioning and locking mechanism 4, and the process of adjusting the distance is not involved.
The transverse tensioning unit, the longitudinal tensioning unit and the distance adjusting device are controlled by a control system of the tensioning device, and the control system controls the tensioning device to work.
Horizontal stretch-draw unit includes workstation 1, be equipped with linear guide 3 on the workstation 1, reinforcing bar stretch-draw locking mechanism 4's below be equipped with linear guide 3 corresponding sharp slider 5, reinforcing bar stretch-draw locking mechanism 4 all through sharp slider 5 and linear guide 3 sliding connection. The bottom of the steel bar tensioning and locking mechanism 4 is provided with a groove, the linear sliding block 5 is arranged in the groove, and the linear sliding block 5 and the linear guide rail 3 slide in the process, so that the limiting effect is achieved, and the steel bar tensioning and locking mechanism 4 can slide linearly along the linear guide rail 3.
As shown in fig. 3, adjacent reinforcing steel bar tensioning and locking mechanisms 4 of the transverse tensioning unit are connected through a connecting plate 7; including two interval regulation holes 71 on the connecting plate 7, interval regulation hole 71 is rectangular shape, interval regulation hole 71 corresponds and is equipped with fixing bolt, fixing bolt fixed mounting is on reinforcing bar stretch-draw locking mechanism 4, interval regulation hole 71's width is greater than fixing bolt's diameter.
The transverse tensioning unit is also correspondingly provided with a push-pull mechanism, the push-pull mechanism is arranged at the end part of the transverse tensioning unit and is fixedly connected with the reinforcing steel bar tensioning locking mechanism 4 at the end part, and the reinforcing steel bar tensioning locking mechanism 4 at the end part is pulled outwards or pushed inwards through the push-pull mechanism;
and a reinforcing steel bar tensioning locking mechanism 4 far away from the other end of the push-pull mechanism is fixedly installed with the workbench 1.
When the spacing of the steel bar stretching and locking mechanisms 4 of the transverse stretching unit is adjusted, firstly, the spacing between the steel bar stretching and locking mechanisms 4 is enlarged through the push-pull mechanism, and the steel bar stretching and locking mechanisms 4 are hinged through the connecting plates 7, so that the push-pull mechanism is in the working process, the spacing between the steel bar stretching and locking mechanisms 4 is enlarged in sequence, after enlargement, the conversion blocks 65 of the spacing adjusting mechanism 6 are controlled to rotate, after different surfaces are converted, the push-pull mechanism is controlled to reset and push the steel bar stretching and locking mechanisms 4 in sequence, the conversion blocks 65 are attached to the steel bar stretching and locking mechanisms 4 on two sides, further spacing adjustment is achieved, and the push-pull mechanism is a hydraulic oil cylinder.
As shown in fig. 1 and fig. 2, a lifting mechanism 2 is further arranged below the workbench 1, the lifting mechanism 2 includes a lifting cylinder 21, the lifting cylinder 21 is connected to a control system of the tensioning device, the lifting cylinder 21 is arranged at the bottom of the workbench 1, and a guide column 22 and a guide sleeve are further arranged at the bottom of the workbench 1.
As shown in fig. 4, the distance adjusting mechanism 6 includes a supporting structure and a transition structure, and the transition structure is installed between two adjacent reinforcing steel bar tensioning and locking mechanisms 4 through the supporting structure;
the conversion structure comprises a coupler 63, a transmission part and a conversion block 65 which are connected in sequence, an output shaft of the driving device is fixedly connected with the coupler 63, the driving device drives the conversion block 65 through the transmission part, and the conversion block 65 is used for adjusting the distance between two adjacent steel bar tensioning and locking mechanisms 4.
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 coupling 63;
as shown in fig. 4 and 5, the transmission part includes a bearing seat 61, a conversion block 65, and a driving gear 62 and a driven gear 66 which are installed above the bearing seat 61, two driven gears 66 are symmetrically distributed around the driving gear 62 and are engaged with the driving gear 62, a rotation shaft is arranged at the axis of the driving gear 62, a bearing groove 611 corresponding to the driving gear 62 is arranged on the bearing seat 61, a bearing is installed in the bearing groove 611, the lower part of the rotation shaft is fixedly connected with the bearing, a bearing gland is correspondingly arranged on the bearing, and the top of the rotation shaft is fixedly connected with the coupling 63;
the bearing seat 61 is further provided with a bearing groove 611 corresponding to the driven gear 66 and a bearing, the driven gear 66 and the bearing are fixedly connected through a long shaft 64, the bottom of the long shaft 64 penetrates through the bearing seat 61 and extends to the lower part of the bearing seat 61, and the bottom of the long shaft 64 is fixedly connected with a conversion block 65;
the conversion block 65 is an axisymmetric polyhedral steel block, and the surface of the conversion block 65, which is attached to the steel bar tensioning and locking mechanism 4, is changed by rotation, so that the distance between the two steel bar tensioning and locking mechanisms 4 is changed.
As shown in fig. 4 and 7, a hole corresponding to the long shaft 64 is formed in the conversion block 65, the bottom of the long shaft 64 extends to the lower side of the conversion block 65 through the hole, an external thread is formed at the bottom of the long shaft 64, and the bottom of the conversion block 65 is fixed to the long shaft 64 through a nut.
The long shaft 64 is vertically provided with a limiting groove 641 on the side surface, corresponding grooves are formed above the driven gear 66 and the conversion block 65, a limiting block is correspondingly arranged in the limiting groove 641, and the long shaft 64 is prevented from rotating radially with the driven gear 66 and the conversion block 65 through the limiting block.
As shown in fig. 4 and 6, the conversion block 65 comprises a hexagonal steel block 651, the cross section of the hexagonal steel block 651 is hexagonal and has an axisymmetric structure, the hexagonal steel block 651 comprises three sets of opposite side faces, and the distances between the opposite side faces of each set are different;
the conversion block 65 comprises two hexagonal prism steel blocks 651, the two hexagonal prism steel blocks 651 are connected through a connecting column 652, and the installation directions of the two hexagonal prism steel blocks 651 are the same.
At present, the track slab comprises three types, so that opposite side faces of different groups are attached to the steel bar tensioning and locking mechanisms 4 by rotating the hexagonal prism steel block 651, and because the distances between the side faces of each group are different, two adjacent steel bar tensioning and locking mechanisms 4 can be selected among three distances, and each side face is converted to change one side distance. The blocking distance of the adjacent steel bar tensioning and locking mechanisms 4 is changed through the selective rotation conversion block 65, and then the distance adjustment is realized.
The bearing structure includes the supporting steel plate 67 of installing on bearing frame 61 through the bolt, be equipped with the recess that corresponds with supporting steel plate 67 on the bearing frame 61, the both ends of supporting steel plate 67 are taken and are established on the hydro-cylinder of reinforcing bar stretch-draw locking mechanism 4 to with the top sliding connection of hydro-cylinder.
Because when changing the interval, need earlier expand the interval between two adjacent reinforcing bar stretch-draw locking mechanism 4 through push-and-pull mechanism, then rotate conversion piece 65, switch the face of laminating between conversion piece 65 and the reinforcing bar stretch-draw locking mechanism 4, so only sliding connection between supporting steel plate 67 and the reinforcing bar stretch-draw locking mechanism 4 avoids influencing the interval between two reinforcing bar stretch-draw locking mechanism 4 and adjusts, but the length of supporting steel plate 67 must be greater than the maximum distance that can adjust between two reinforcing bar stretch-draw locking mechanism 4.
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 novel prestressing force track board stretch-draw device which characterized in that: the device comprises a transverse tensioning unit and a longitudinal tensioning unit, wherein the longitudinal tensioning unit is used for tensioning longitudinal prestressed reinforcements in a rail plate mould, and the transverse tensioning unit is used for tensioning transverse prestressed reinforcements in the rail plate mould;
vertical stretch-draw unit and horizontal stretch-draw unit all include a plurality of reinforcing bar stretch-draw locking mechanism (4), adopt fixed connection between the reinforcing bar stretch-draw locking mechanism (4) of vertical stretch-draw unit, be equipped with interval adjustment mechanism (6) between the reinforcing bar stretch-draw locking mechanism (4) of horizontal stretch-draw unit, change the interval between two adjacent reinforcing bar stretch-draw locking mechanism (4) through interval adjustment mechanism (6).
2. The novel prestressed track slab tensioning device according to claim 1, wherein: horizontal stretch-draw unit includes workstation (1), be equipped with linear guide (3) on workstation (1), the below of reinforcing bar stretch-draw locking mechanism (4) be equipped with linear guide (3) corresponding sharp slider (5), reinforcing bar stretch-draw locking mechanism (4) are all through sharp slider (5) and linear guide (3) sliding connection.
3. The novel prestressed track slab tensioning device according to claim 1, wherein: adjacent steel bar tensioning locking mechanisms (4) of the transverse tensioning unit are connected through a connecting plate (7);
including two interval regulation holes (71) on connecting plate (7), interval regulation hole (71) are rectangular shape, interval regulation hole (71) correspond and are equipped with fixing bolt, fixing bolt fixed mounting is on reinforcing bar stretch-draw locking mechanism (4), the width in interval regulation hole (71) is greater than fixing bolt's diameter.
4. The novel prestressed track slab tensioning device according to claim 3, wherein: the transverse tensioning unit is also correspondingly provided with a push-pull mechanism, the push-pull mechanism is arranged at the end part of the transverse tensioning unit and is fixedly connected with the reinforcing steel bar tensioning locking mechanism (4) at the end part, and the reinforcing steel bar tensioning locking mechanism (4) at the end part is pulled outwards or pushed inwards through the push-pull mechanism;
the reinforcing steel bar tensioning and locking mechanism (4) far away from the other end of the push-pull mechanism is fixedly installed with the workbench (1).
5. The novel prestressed track slab tensioning device according to claim 2, wherein: the below of workstation (1) still is equipped with elevating system (2), elevating system (2) include lift cylinder (21), stretch-draw device's control system is connected in lift cylinder (21), lift cylinder (21) set up the bottom at workstation (1), the bottom of workstation (1) still is equipped with guide post (22) and guide sleeve.
6. The novel prestressed track slab tensioning device according to claim 1, wherein: the distance adjusting mechanism (6) comprises a supporting structure and a conversion structure, and the conversion structure is arranged between two adjacent steel bar tensioning and locking mechanisms (4) through the supporting structure;
the conversion structure comprises a coupler (63), a transmission part and a conversion block (65) which are connected in sequence, an output shaft of the driving device is fixedly connected with the coupler (63), the driving device drives the conversion block (65) through the transmission part, and the conversion block (65) is used for adjusting the distance between two adjacent steel bar tensioning locking mechanisms (4).
7. The novel prestressed track slab tensioning device according to claim 6, 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 a coupling (63);
the transmission part comprises a bearing seat (61), a conversion block (65), a driving gear (62) and a driven gear (66), wherein the driving gear (62) and the driven gear (66) are arranged above the bearing seat (61), the two driven gears (66) are symmetrically distributed around the driving gear (62) and are meshed with the driving gear (62), a rotating shaft is arranged at the axis position of the driving gear (62), a bearing groove (611) corresponding to the driving gear (62) is formed in the bearing seat (61), a bearing is arranged in the bearing groove (611), 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 a coupler (63);
the bearing seat (61) is also provided with a bearing groove (611) corresponding to the driven gear (66) and a bearing correspondingly, the driven gear (66) and the bearing are fixedly connected through a long shaft (64), the bottom of the long shaft (64) penetrates through the bearing seat (61) and extends to the lower part of the bearing seat (61), and the bottom of the long shaft (64) is fixedly connected with a conversion block (65);
the conversion block (65) is an axisymmetric polyhedral steel block, and the surface of the conversion block (65) which is attached to the steel bar tensioning locking mechanism (4) is changed through rotation, so that the distance between the two steel bar tensioning locking mechanisms (4) is changed.
8. The novel prestressed track slab tensioning device according to claim 7, wherein: the conversion block (65) comprises a hexagonal prism steel block (651), the hexagon of the cross section of the hexagonal prism steel block (651) is in an axisymmetric structure, the hexagonal prism steel block (651) comprises three groups of opposite side faces, and the distances between the opposite side faces of each group are different;
the conversion block (65) comprises two hexagonal prism steel blocks (651), the two hexagonal prism steel blocks (651) are connected through a connecting column (652), and the mounting directions of the two hexagonal prism steel blocks (651) are the same.
9. The novel prestressed track slab tensioning device according to claim 7, wherein: the supporting structure comprises a supporting steel plate (67) installed on a bearing seat (61) through a bolt, a groove corresponding to the supporting steel plate (67) is formed in the bearing seat (61), the two ends of the supporting steel plate (67) are overlapped on an oil cylinder of a steel bar tensioning locking mechanism (4), and the supporting structure is connected with the top of the oil cylinder in a sliding mode.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201920268232.3U CN209887854U (en) | 2019-03-01 | 2019-03-01 | Novel prestressed track slab tensioning device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201920268232.3U CN209887854U (en) | 2019-03-01 | 2019-03-01 | Novel prestressed track slab tensioning device |
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| CN209887854U true CN209887854U (en) | 2020-01-03 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109693309A (en) * | 2019-03-01 | 2019-04-30 | 天津银龙预应力材料股份有限公司 | A kind of novel pre-stressed rail plate tension device |
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2019
- 2019-03-01 CN CN201920268232.3U patent/CN209887854U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109693309A (en) * | 2019-03-01 | 2019-04-30 | 天津银龙预应力材料股份有限公司 | A kind of novel pre-stressed rail plate tension device |
| CN109693309B (en) * | 2019-03-01 | 2024-02-13 | 天津银龙预应力材料股份有限公司 | Novel prestressing force track board stretch-draw device |
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