CN205310503U - Automatic tensioning equipment of sleeper prestressing tendons - Google Patents
Automatic tensioning equipment of sleeper prestressing tendons Download PDFInfo
- Publication number
- CN205310503U CN205310503U CN201520935115.XU CN201520935115U CN205310503U CN 205310503 U CN205310503 U CN 205310503U CN 201520935115 U CN201520935115 U CN 201520935115U CN 205310503 U CN205310503 U CN 205310503U
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- CN
- China
- Prior art keywords
- sleeper
- screw rod
- reinforcing steel
- mould
- presstressed reinforcing
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Abstract
The utility model discloses an automatic tensioning equipment of sleeper prestressing tendons belongs to prestressing tendons preparation field, and it has mold set base (19) including sleeper mould (1) that is used for holding the tie at sleeper mould (1), installs a plurality of mould platform bearing rollers (20) on mold set base (19), sleeper mould (1) flat putting on mould platform bearing roller (20), be equipped with the tensile walking dolly that can sharply walk in the one end of tie mould (1), have track (17) that are used for the direction at tensile walking dolly, tensile walking dolly settle on the track (17), the extending direction of track (17) is unanimous with the extending direction of sleeper mould (1), thereby adopts pressure sensor test pressure's size to control the matching control that stretching force and elongation were accomplished to the pneumatic cylinder, removes tensioning process from, the elongation is measured to artifical time -out, have simultaneously along with needing to follow the advantage of controlling along with the dress, along with the dress.
Description
Technical field:
The present invention relates to a kind of prestressing force automatic control device, particularly relate to a kind of automatization stretching controlling device.
Background technology:
Prestressed concrete member is employing mode important in current construction of railways. Present stage, prestressing force traction therapy construction method is substantially the manually operated mode of employing at home, site operation personnel's stretch-draw according to jack standard, by the switch controlling valve of control oil pump and valve port size, completing pre-stretch-draw, stretch-draw check, complete stretch-draw, top pressure anchoring, backhaul operation, its control unit amount all is manually operated measuring and record according to operating process table by operator. Going out to adopt the control assembly of jack, oil pump power, sensor element, displacement transducer and tensioning equipment, the sensor that this invention adopts all adopts electrical connection, and adds the pressure transducer detection control as stretching force. Work progress inevitably there will be such as problem once:
1) Pressure gauge would generally chatter in stretching process, it is difficult to accurately control;
2) cannot the situation of change of real-time perception stretching process;
3) tensioning equipment there is also the problem such as degree of control, inefficient, and these and disadvantages described above substantially all exist relation with full manual operation.
Summary of the invention:
It is an object of the invention to provide a kind of sleeper presstressed reinforcing steel automatic Tensioning device, to solve the deficiencies in the prior art, the present invention is capable of the multi-direction adjustment of tensioning equipment and steel strand wires do not damage when stretch-draw.
In order to solve deficiency, the present invention provides following technical scheme:
Provide a kind of sleeper presstressed reinforcing steel automatic Tensioning device, including the sleeper mould (1) that the uncovered bar shaped being made up of multi-sheets is box-like, it includes, in reserved ground tackle chamber (2), the front end of the inner chamber of sleeper mould (1), the presstressed reinforcing steel fixture (3) that can move forward and backward it is provided with in the rear end of the inner chamber of sleeper mould (1), presstressed reinforcing steel fixture (3) is also with ground tackle chamber (2), the inner chamber of each ground tackle chamber (2) and sleeper mould (1) is connected, being designed with one in each ground tackle chamber (2) can along the ground tackle (4) of sliding before and after ground tackle, the length of ground tackle (4) is more than the A/F in ground tackle chamber, ground tackle (4) has the shelves hole of multiple presstressed reinforcing steel for waling with a head, presstressed reinforcing steel fixture (3) is connected to the sliding screw rod penetrating sleeper mould (1) rear end, corresponding with sliding screw rod it be externally provided with one at sleeper mould (1) and can move forward and backward, the stretching walking dolly of oscilaltion, described sliding screw rod is fitted with punching jack (5), pressure transducer (16) and the second anchor circle (15), pressure transducer (16) is positioned between punching jack (5) and the second anchor circle (15), this punching jack (5) is fixing with the end face stretching walking dolly to be connected, described pressure transducer (16) is all connected with a control unit with punching jack (5).
Further, described stretching walking dolly is by wheel (6), base plate (7), top board (9) and U-shaped stretch-draw position-limited box (10) composition, described wheel (6) is fitted on base plate (7), described top board (9) is arranged on base plate (7) top, base plate (7) and top board (9) are by can swing arm swing handle assembly (8) of spiral lifting be connected, the guide rail (31) that described U-shaped stretch-draw position-limited box (10) is provided with top board (9) end face by the rolling bearing arranged in bottom matches, the described sliding screw rod U-shaped position-limited box of traverse (10), punching jack (5) is contacted with U-shaped position-limited box (10) mutually by sliding screw rod, punching jack (5) is fixed on the protruding plate that U-shaped stretch-draw position-limited box (10) is extended away from sleeper mould (1) side, stretch-draw box is close in one end of punching jack (5).
Further, described sliding screw rod is made up of the first screw rod (11) and the second screw rod (12), first screw rod (11) is connected with presstressed reinforcing steel fixture (3) and passes the rear end of sleeper mould (1), second screw rod (12) is through U-shaped position-limited box (10) and matches with punching jack (5), and described the first screw rod (11) and the second screw rod (12) are connected by shaft coupling (13).
Further, also including the first anchor circle (14), the first described anchor circle (14) is fitted on the first screw rod (11), and the second described anchor circle (15) is fitted on the second screw rod (12).
Further, the track (17) for leading is had stretching walking dolly, described stretching walking dolly is placed on track (17), and the bearing of trend of track (17) is consistent with the bearing of trend of sleeper mould (1).
Further, the bearing of trend of described guide rail (31) is perpendicular with the bearing of trend of track (17).
Further, in sleeper mould (1), also it is provided with multiple division board (18) paralleled with ground tackle (4) side by side, division board (18) has multiple perforation for presstressed reinforcing steel traverse.
Further, the number of described sliding screw rod is multiple, and multiple sliding screw rods stretch out parallel.
Further, mould table pedestal (19) is had at sleeper mould (1), being provided with multiple die station carrying roller (20) on mould table pedestal (19), described sleeper mould (1) horizontal is on die station carrying roller (20).
The excellent benefit of the present invention:
The device that the present invention proposes reequips the control valve group of existing hydraulic pump, the complete groups of automatization of pressure sensor in prestressing apparatus. The present invention adopts the method to efficiently solve the contradictory problems of supertension control and cost;
Its using method is to control hydraulic cylinder by the size of the tested pressure of pressure transducer thus completing the match control of stretching force and elongation. Which can be removed from stretching process, and artificial time-out measures elongation, simultaneously can with need to dress, with dress with control.
The repacking time is short, can pass through to regulate the multi-direction motion of dolly, improve the automatization level of engineering: present invention achieves the Automated condtrol of tensioning equipment, and controlled by hydraulic cylinder and pressure transducer, not only complete automatically controlling of prestressed component, improve the control accuracy in cable tensios control process, make stretching process has been broken away from substantially manual control factor, this device is configured with the dolly of multi-direction movement, it is possible to carry out assembly jig by the position and distance regulating dolly.
Accompanying drawing illustrates:
Fig. 1 is schematic side view of the present invention;
Fig. 2 is plan structure schematic diagram of the present invention;
Fig. 3 is the sectional structure schematic diagram in Fig. 2 along cutting line B-B gained;
Fig. 4 is for stretching walking dolly schematic diagram;
Fig. 5 is the sectional structure schematic diagram in Fig. 4 along cutting line A-A gained;
Fig. 6 is the plan structure schematic diagram stretching walking dolly;
Description of reference numerals: sleeper mould (1), ground tackle chamber (2), presstressed reinforcing steel fixture (3), ground tackle (4), punching jack (5), wheel (6), base plate (7), swing arm swing handle assembly (8), top board (9), stretch-draw position-limited box (10), first screw rod (11), second screw rod (12), shaft coupling (13), first anchor circle (14), second anchor circle (15), pressure transducer (16), track (17), division board (18), mould table pedestal (19), die station carrying roller (20), rolling bearing, guide rail (31).
Detailed description of the invention
Specific embodiments of the present invention are described in detail below in conjunction with accompanying drawing, such as Fig. 1, shown in 2, including the sleeper mould (1) for holding tie, mould table pedestal (19) is had at sleeper mould (1), mould table pedestal (19) is provided with multiple die station carrying roller (20), described sleeper mould (1) horizontal is on die station carrying roller (20), being provided with one in one end of tie mould (1) can the stretching walking dolly of straight line moving, the track (17) for leading is had stretching walking dolly, described stretching walking dolly is placed on track (17), the bearing of trend of track (17) is consistent with the bearing of trend of sleeper mould (1).
As shown in Figure 2, sleeper mould (1) is the box-like sleeper mould (1) of uncovered bar shaped, the front end of the inner chamber of sleeper mould (1) is provided with polylith baffle plate, the front end-plate of baffle plate and sleeper mould (1) completely cuts off a ground tackle chamber (2), ground tackle chamber (2) is square cavity, the presstressed reinforcing steel fixture (3) that can move forward and backward it is provided with in the rear end of the inner chamber of sleeper mould (1), presstressed reinforcing steel fixture (3) is the metal derby that central authorities have cavity, the cavity of described presstressed reinforcing steel fixture (3) central authorities is as another ground tackle chamber (2), the inner chamber of each ground tackle chamber (2) and mould table (1) is connected, being designed with one in each ground tackle chamber (2) can along the ground tackle (4) of the tabular of sliding before and after ground tackle chamber, the length of ground tackle (4) is more than the A/F in ground tackle chamber, ground tackle (4) has the shelves hole of multiple presstressed reinforcing steel for waling with a head.
As shown in Figure 3,4, presstressed reinforcing steel fixture (3) is connected to the first screw rod (11) penetrating sleeper mould (1) rear end, first screw rod (11) is fitted with the first anchor circle (14), first screw rod (11) is connected by shaft coupling and the second screw rod (12), being fitted with punching jack (5), pressure transducer (16) and the second anchor circle (15) on second screw rod (12), pressure transducer (16) is positioned between punching jack (5) and the second anchor circle (15).
Such as Fig. 4, Fig. 5, shown in Fig. 6, described stretching walking dolly includes wheel (6), base plate (7), top board (9) and U-shaped stretch-draw position-limited box (10) composition, described wheel (6) is fitted on base plate (7), described top board (9) is arranged on base plate (7) top, base plate (7) and top board (9) are by can swing arm swing handle assembly (8) of spiral lifting be connected, the guide rail (31) that described U-shaped stretch-draw position-limited box (10) is provided with top board (9) end face by the rolling bearing arranged in bottom matches, described the second screw rod (12) the U-shaped position-limited box of traverse (10), punching jack (5) is contacted with U-shaped position-limited box (10) mutually by the second screw rod, punching jack (5) is fixed on the protruding plate that U-shaped stretch-draw position-limited box (10) is extended away from sleeper mould (1) side, stretch-draw box is close in one end of punching jack (5).
Described the first screw rod (11) and the second screw rod (12) composition sliding screw rod.
Described pressure transducer (16) is all connected with a control unit with punching jack (5).
The bearing of trend of described guide rail (31) is perpendicular with the bearing of trend of track (17). In sleeper mould (1), also it is provided with multiple division board (18) paralleled with ground tackle (4) side by side, division board (18) has multiple perforation for presstressed reinforcing steel traverse.
The number of described sliding screw rod and corresponding U-shaped stretch-draw box, presstressed reinforcing steel fixture (3), ground tackle (4) and punching jack (5) is multiple, and multiple sliding screw rods stretch out parallel.
Operation mechanism below in conjunction with 1～6 couple of present invention of accompanying drawing illustrates: be first arranged on by presstressed reinforcing steel in sleeper mould (1), the two ends of presstressed reinforcing steel are with a head, the two ends of presstressed reinforcing steel fasten with the ground tackle (4) of the front-end and back-end of sleeper mould (1) respectively, walked by controller restrained stretching walking dolly, until the ground tackle (4) of sleeper mould (1) front end is stuck in the exit in ground tackle chamber, by preset pressure input to controller, controller starts punching jack, now punching jack starts drive the second screw rod and then drive the first screw rod, presstressed reinforcing steel fixture, start linear stretch presstressed reinforcing steel, because pressure transducer is between punching jack and the second crab-bolt, the pressure data of jack is passed back in controller by pressure transducer constantly, in drawing process the first screw rod want after being drawn out in time by the first crab-bolt to inward turning, ensure that the first crab-bolt is adjacent to, with sleeper mould (1) rear end sheet material, the extended state fixing the first screw rod constantly and prevents resilience with continued extension presstressed reinforcing steel, after reaching preset pressure value with punching jack, controller cuts off the power of jack, under being locked of the first crab-bolt, the extended state of maintenance presstressed reinforcing steel is necessarily not often.
When stretch walking dolly position have different need adjust time, swing arm swing handle assembly can be rotated to regulate the height of top board (9) and U-shaped stretch-draw position-limited box (10) or to promote top board (9) so that top board (9) is along guide rail (31) left and right sliding, be achieved in Three Degree Of Freedom and regulate.
Claims (9)
1. a sleeper presstressed reinforcing steel automatic Tensioning device, including the sleeper mould (1) that the uncovered bar shaped being made up of multi-sheets is box-like, it is characterized in that: in reserved ground tackle chamber (2), the front end of the inner chamber of sleeper mould (1), the presstressed reinforcing steel fixture (3) that can move forward and backward it is provided with in the rear end of the inner chamber of sleeper mould (1), presstressed reinforcing steel fixture (3) is also with ground tackle chamber (2), the inner chamber of each ground tackle chamber (2) and sleeper mould (1) is connected, being designed with one in each ground tackle chamber (2) can along the ground tackle (4) of sliding before and after ground tackle chamber, the length of ground tackle (4) is more than the A/F in ground tackle chamber, ground tackle (4) has the shelves hole of multiple presstressed reinforcing steel for waling with a head, presstressed reinforcing steel fixture (3) is connected to the sliding screw rod penetrating sleeper mould (1) rear end, corresponding with sliding screw rod it be externally provided with one at sleeper mould (1) and can move forward and backward, the stretching walking dolly of oscilaltion, described sliding screw rod is fitted with punching jack (5), pressure transducer (16) and the second anchor circle (15), pressure transducer (16) is positioned between punching jack (5) and the second anchor circle (15), this punching jack (5) is fixing with the end face stretching walking dolly to be connected, described pressure transducer (16) is all connected with a control unit with punching jack (5).
2. a kind of sleeper presstressed reinforcing steel automatic Tensioning device according to claim 1, it is characterized in that: described stretching walking dolly is by wheel (6), base plate (7), top board (9) and U-shaped stretch-draw position-limited box (10) composition, described wheel (6) is fitted on base plate (7), described top board (9) is arranged on base plate (7) top, base plate (7) and top board (9) are by can swing arm swing handle assembly (8) of spiral lifting be connected, the guide rail (31) that described U-shaped stretch-draw position-limited box (10) is provided with top board (9) end face by the rolling bearing arranged in bottom matches, the described sliding screw rod U-shaped position-limited box of traverse (10), punching jack (5) is contacted with U-shaped position-limited box (10) mutually by sliding screw rod, punching jack (5) is fixed on the protruding plate that U-shaped stretch-draw position-limited box (10) is extended away from sleeper mould (1) side, stretch-draw box is close in one end of punching jack (5).
3. a kind of sleeper presstressed reinforcing steel automatic Tensioning device according to claim 2, it is characterized in that: described sliding screw rod is made up of the first screw rod (11) and the second screw rod (12), first screw rod (11) is connected with presstressed reinforcing steel fixture (3) and passes the rear end of sleeper mould (1), second screw rod (12) is through U-shaped position-limited box (10) and matches with punching jack (5), and described the first screw rod (11) and the second screw rod (12) are connected by shaft coupling (13).
4. a kind of sleeper presstressed reinforcing steel automatic Tensioning device according to claim 3, it is characterized in that: also include the first anchor circle (14), the first described anchor circle (14) is fitted on the first screw rod (11), and the second described anchor circle (15) is fitted on the second screw rod (12).
5. a kind of sleeper presstressed reinforcing steel automatic Tensioning device according to claim 2, it is characterized in that: have the track (17) for leading stretching walking dolly, described stretching walking dolly is placed on track (17), and the bearing of trend of track (17) is consistent with the bearing of trend of sleeper mould (1).
6. a kind of sleeper presstressed reinforcing steel automatic Tensioning device according to claim 2, it is characterised in that: the bearing of trend of described guide rail (31) is perpendicular with the bearing of trend of track (17).
7. a kind of sleeper presstressed reinforcing steel automatic Tensioning device according to claim 1, it is characterized in that: in sleeper mould (1), be also provided with multiple division board (18) paralleled with ground tackle (4) side by side, division board (18) has multiple perforation for presstressed reinforcing steel traverse.
8. a kind of sleeper presstressed reinforcing steel automatic Tensioning device according to claim 1, it is characterised in that: the number of described sliding screw rod is multiple, and multiple sliding screw rods stretch out parallel.
9. a kind of sleeper presstressed reinforcing steel automatic Tensioning device according to claim 1, it is characterized in that: have mould table pedestal (19) at sleeper mould (1), being provided with multiple die station carrying roller (20) on mould table pedestal (19), described sleeper mould (1) horizontal is on die station carrying roller (20).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520935115.XU CN205310503U (en) | 2015-11-20 | 2015-11-20 | Automatic tensioning equipment of sleeper prestressing tendons |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520935115.XU CN205310503U (en) | 2015-11-20 | 2015-11-20 | Automatic tensioning equipment of sleeper prestressing tendons |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205310503U true CN205310503U (en) | 2016-06-15 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520935115.XU Expired - Fee Related CN205310503U (en) | 2015-11-20 | 2015-11-20 | Automatic tensioning equipment of sleeper prestressing tendons |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205310503U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105479598A (en) * | 2015-11-20 | 2016-04-13 | 长春工业大学 | Automatic sleeper prestressed reinforcement tensioning device |
-
2015
- 2015-11-20 CN CN201520935115.XU patent/CN205310503U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105479598A (en) * | 2015-11-20 | 2016-04-13 | 长春工业大学 | Automatic sleeper prestressed reinforcement tensioning device |
| CN105479598B (en) * | 2015-11-20 | 2018-01-23 | 长春工业大学 | A kind of sleeper presstressed reinforcing steel automatic Tensioning device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160615 Termination date: 20161120 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |