CN214879106U - Tractor for shuttling steel strands - Google Patents
Tractor for shuttling steel strands Download PDFInfo
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- CN214879106U CN214879106U CN202120573788.0U CN202120573788U CN214879106U CN 214879106 U CN214879106 U CN 214879106U CN 202120573788 U CN202120573788 U CN 202120573788U CN 214879106 U CN214879106 U CN 214879106U
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- steel strand
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- inner chamber
- clamping piece
- tractor
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Abstract
The utility model relates to a tractor for steel strand wires shuttles back and forth, including hollow pneumatic cylinder, hollow pneumatic cylinder includes the cylinder body and stretch out tube, fixed cover is equipped with the go-between on the cylinder body, the go-between is kept away from cylinder body one side and is provided with the fixed plate, fixed plate and go-between pass through the connecting rod fixed, it does not is provided with limit sleeve to equally divide on the outside end of stretch out tube and the fixed plate, limit sleeve's inner chamber includes first cavity, first cavity adopts round platform shape cavity, the movable sleeve is equipped with the clamping piece in the first cavity, the inboard of clamping piece is provided with steel strand wires centre gripping chamber, the clamping piece is kept away from the limit sleeve intraductal spring that is provided with of hollow pneumatic cylinder one side, the inner chamber of spring and the inner chamber of hollow pneumatic cylinder are linked together through steel strand wires centre gripping chamber. The steel strand can be pulled through the product after the steel strand finishes shuttling, and the steel strand is pulled for manual operation and is more convenient. The utility model discloses adjust, convenient to use, be wide market prospect.
Description
Technical Field
The utility model relates to a steel strand wires pulling equipment field, concretely relates to a tractor for steel strand wires shuttles back and forth.
Background
The steel strand is usually used for carrier cables, stay wires, reinforcing cores and the like, and can also be used as ground wires for overhead power transmission, stop cables on two sides of roads or structural cables in building structures. The common prestressed steel strand in the prestressed steel strand is a low-relaxation prestressed steel strand without a coating, is galvanized and is commonly used for bridges, buildings, water conservancy, energy resources, geotechnical engineering and the like, and the unbonded prestressed steel strand is commonly used for floor slabs, foundation engineering and the like.
After the shuttling of the steel strand is completed, the shuttered steel strand is usually pulled properly, and after the shuttered steel strand is pulled to a proper length, the steel strand is tensioned. The existing traction equipment usually adopts manual traction, but a steel strand usually generates large resistance with a tensioned object, the manual traction is very labor-consuming, and the time of a subsequent tensioning process can be prolonged if the traction is not in place before tensioning.
Disclosure of Invention
The utility model provides a not enough to prior art, the utility model provides a can carry out the tractor that is used for steel strand wires to draw that shuttles back and forth steel strand wires is accomplished to steel strand wires for overcome defect among the prior art.
The utility model adopts the technical proposal that: the utility model provides a tractor for steel strand wires shuttles back and forth, includes hollow pneumatic cylinder, and hollow pneumatic cylinder includes the cylinder body and stretches out the pipe, the cylinder body on fixed cover be equipped with the go-between, the go-between is kept away from cylinder body one side be provided with the fixed plate, fixed plate and go-between pass through the connecting rod fixed, outside end and the fixed plate of stretching out the pipe on equallyd divide and do not be provided with steel strand wires fixing device, steel strand wires fixing device include limit sleeve, limit sleeve's inner chamber includes first cavity, first cavity adopt round platform shape cavity, first cavity in movable sleeve be equipped with the clamping piece, the inboard of clamping piece is provided with steel strand wires centre gripping chamber, the limiting sleeve that hollow pneumatic cylinder one side was kept away from to the clamping piece is provided with the spring, the inner chamber of spring and the inner chamber of hollow pneumatic cylinder pass through steel strand wires centre gripping chamber be linked together.
Preferably, the inner cavity of the limiting sleeve further comprises a second inner cavity, the second inner cavity adopts a cylindrical cavity, the spring is located in the second inner cavity, a pressure adjusting pipe is further arranged in the second inner cavity, a pressure adjusting ring is arranged on the pressure adjusting pipe, one end of the spring is connected with the pressure adjusting ring, and a driving ring, a driving ring and a clamping piece are movably connected at the other end of the spring.
Preferably, the number of the steel strand fixing devices is not less than two, the two steel strand fixing devices are located on the same axis, the number of the clamping pieces corresponding to each first cavity is not less than two, and the steel strand clamping cavity adopts a virtual cylindrical cavity.
Preferably, the number of the connecting rods is four, and the four connecting rods are uniformly distributed on the outer side of the extension line of the central axis of the hollow hydraulic cylinder in a cross manner.
Preferably, the bottom of the cylinder body of the hollow hydraulic cylinder is provided with a connecting flange.
Preferably, the inner side of the clamping piece is provided with an anti-skid layer, and the anti-skid layer adopts a criss-cross groove-shaped structure.
Preferably, the central axis of the steel strand clamping cavity, the central axis of the inner cavity of the spring and the central axis of the inner cavity of the pressure adjusting pipe are located on the same axis, the inner wall of the pressure adjusting pipe is fixedly connected with the outer wall of the pressure adjusting ring, and the pressure adjusting pipe is in threaded connection with the limiting sleeve.
The utility model has the advantages that: firstly, the steel strand is pulled after the steel strand is shuttled, compared with the prior art, the product fixes the connecting flange on a stretched object through the expansion screw, so that the product can be stably fixed in a preset working area, the work is more stable, and the safety accident caused by the infirm fixation of the traction device is avoided.
Secondly, the inboard of clamping piece be provided with the skid resistant course, the skid resistant course adopts vertically and horizontally staggered's slot-shaped structure. The friction force of the inner wall of the clamping piece on the steel strand for traction is improved, and the phenomenon of slipping between the steel strand and the clamping piece due to insufficient friction force is reduced.
Finally, the axis in axis, spring inner chamber in steel strand wires centre gripping chamber and the axis in pressure regulating pipe inner chamber be located same axis, for utilizing the hoist engine as the traction mode who pulls steel strand wires among the prior art, the biggest conversion of the power of being convenient for of the structure overall arrangement of this product has improved effectual effort.
The utility model has the advantages of simple structure, convenient operation, design benefit has improved work efficiency greatly, has fine social and economic benefits, is the product of easily using widely.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a schematic structural diagram of the present invention.
Fig. 3 is a schematic structural diagram of the clamping piece of the present invention.
Detailed Description
As shown in fig. 1, 2 and 3, a tractor for shuttling steel strands comprises a hollow hydraulic cylinder 1, wherein the hollow hydraulic cylinder 1 comprises a cylinder body and an extension pipe, the cylinder body is fixedly sleeved with a connecting ring 2, one side, far away from the cylinder body, of the connecting ring 2 is provided with a fixed plate 3, the fixed plate 3 and the connecting ring 2 are fixed through a connecting rod 4, the outer side end of the extension pipe and the fixed plate 3 are respectively provided with a steel strand fixing device, the steel strand fixing devices comprise two limiting sleeves 5, the number of the limiting sleeves 5 is two, the inner side end of one limiting sleeve 5 is connected with the outer side end of the extension pipe through a threaded connecting pipe 14, the threaded connecting pipe 14 is fixedly sleeved in the limiting sleeve 5, the threaded connecting pipe 14 is in threaded connection with the extension pipe, the other limiting sleeve 5 is fixedly sleeved on the fixed plate 3, and the inner cavity of the limiting sleeve 5 comprises a first cavity, limiting sleeve 5 adopts the pipe column structure, and fixed cover is equipped with clamping piece installation pipe 13 in limiting sleeve 5, and clamping piece installation pipe 13's inner chamber does first cavity, first cavity adopt round platform shape cavity, first cavity in the activity cover be equipped with clamping piece 6, the inboard of clamping piece 6 is provided with steel strand wires centre gripping chamber, clamping piece 6 is provided with spring 7 in the limiting sleeve 5 of keeping away from hollow hydraulic cylinder 1 one side, the inner chamber of spring 7 and the inner chamber of hollow hydraulic cylinder 1 pass through steel strand wires centre gripping chamber be linked together. The inner cavity of the limiting sleeve 5 further comprises a second inner cavity, the inner cavity of one side of the limiting sleeve 5 is far away from the limiting sleeve 5 and serves as the second inner cavity, the second inner cavity adopts a cylindrical cavity, the spring 7 is located in the second inner cavity, a pressure adjusting pipe 8 is further arranged in the second inner cavity, a pressure adjusting ring 9 is arranged on the pressure adjusting pipe 8, one end of the spring 7 is connected with the pressure adjusting ring 9, a driving ring 10 is arranged at the other end of the spring 7, and the driving ring 10 is movably connected with the clamping piece 6. The number of the steel strand fixing devices is not less than two, the two steel strand fixing devices are located on the same axis, the number of the clamping pieces 6 corresponding to each first cavity is not less than two, and the steel strand clamping cavity adopts a virtual cylindrical cavity. The number of the connecting rods 4 is four, and the four connecting rods 4 are uniformly distributed on the outer side of the extension line of the central axis of the hollow hydraulic cylinder 1 in a cross manner.
And a connecting flange 11 is arranged at the bottom of the cylinder body of the hollow hydraulic cylinder 1. The connecting flange 11 is fixed on the tensioned object through expansion screws, so that the product can be stably fixed in a preset working area.
The inner side of the clamping piece 6 is provided with an anti-skid layer 12, and the anti-skid layer 12 adopts a criss-cross groove-shaped structure. The friction force of the inner wall of the clamping piece 6 to the steel strand for traction is improved, and the phenomenon of slipping between the steel strand and the clamping piece 6 caused by insufficient friction force is reduced.
The axis in steel strand wires centre gripping chamber, the axis of spring 7 inner chamber and the axis of 8 inner chambers of pressure regulating pipe are located same axis, for utilizing the hoist engine as the traction mode of pulling the steel strand wires among the prior art, the biggest conversion of the power of being convenient for of this kind of structural layout of product has improved effectual effort, thereby utilize the expansion screw to fix flange 11 at the traction mode fixed with this product by stretch-draw article for this product of prior art, equipment steady operation more easily, the incident of traction device because of fixing insecure appearance has been avoided. The inner wall of the pressure adjusting pipe 8 is fixedly connected with the outer wall of the pressure adjusting ring 9, and the pressure adjusting pipe 8 is in threaded connection with the limiting sleeve 5. The initial compression length of the spring 7 is indirectly adjusted through the position of the pressure adjusting pipe 8 on the limiting sleeve 5, so that the initial elasticity of the spring 7 is reasonably adjusted.
The use method of the product is as follows: as shown in fig. 1, 2 and 3, the pre-installation and adjustment process of the product should be completed before the product is used formally, and first, the connecting flange 11 is fixed to a predetermined position through an expansion screw, so that the integral fixation of the product is realized; then, the steel strand sequentially passes through the cavity of the hollow hydraulic cylinder 1, the inner cavity of the threaded connecting pipe 14 and the inner cavity of the clamping piece mounting pipe 13, and finally the outer side end of the steel strand is pulled out from the outer side end of the limiting sleeve 5; then, the clip 6 is installed in the cavity between the steel strand and the clip installation pipe 13; finally, the steel strand sequentially passes through the inner cavity of the driving ring 10, the inner cavity of the spring 7 and the inner cavity of the pressure adjusting ring 9, the initial elastic force of the spring 7 is reasonably adjusted by reasonably adjusting the position between the pressure adjusting pipe 8 and the limiting sleeve 5, and when the friction force between the clamping piece 6 and the steel strand is greater than the friction force between the clamping piece 6 and the clamping piece mounting pipe 13, the condition can be stopped.
After the steps are completed, the pre-installation and adjustment process of the product is completed, and the product can be normally used, firstly, the hollow hydraulic cylinder 1 drives the steel strand fixing device connected to the hollow hydraulic cylinder 1 to move towards the fixing plate 3, at the moment, the steel strand fixing device connected to the hollow hydraulic cylinder 1 clamps the steel strand, and the steel strand overcomes the resistance of the steel strand fixing device connected to the fixing plate 3 and moves towards the direction far away from the fixing plate 3; when the hollow hydraulic cylinder 1 is reset, the steel strand fixing device connected to the fixing plate 3 clamps the steel strand, and the steel strand fixing device connected to the hollow hydraulic cylinder 1 overcomes the resistance between the steel strand and the steel strand fixing device connected to the hollow hydraulic cylinder 1 and resets along with the hollow hydraulic cylinder 1; when the hollow hydraulic cylinder 1 is driven again, the hollow hydraulic cylinder 1 drives the steel strand fixing device connected to the hollow hydraulic cylinder 1 to move towards the fixing plate 3, and the steel strand is clamped to move towards the direction far away from the fixing plate 3, and the steel strand is repeatedly circulated to achieve traction work of the steel strand.
Through the embodiment, the steel strand is pulled after the steel strand is shuttled, compared with the prior art, the product fixes the connecting flange 11 on a tensioned object through the expansion screws, so that the product is stably fixed in a preset working area, the work is more stable, and the safety accident caused by the infirm fixation of the traction device is avoided.
The utility model discloses a satisfy in the tractor that steel strand wires pulling equipment field worker needs for a steel strand wires shuttles back and forth, make the utility model discloses extensive market prospect has.
Claims (7)
1. The utility model provides a tractor for steel strand wires shuttle, includes hollow pneumatic cylinder (1), and hollow pneumatic cylinder (1) includes cylinder body and stretch out pipe, its characterized in that: the cylinder body is fixedly sleeved with a connecting ring (2), one side of the connecting ring (2) far away from the cylinder body is provided with a fixed plate (3), the fixed plate (3) and the connecting ring (2) are fixed through a connecting rod (4), the outer side end of the extension pipe and the fixing plate (3) are respectively provided with a steel strand fixing device, the steel strand fixing device comprises a limiting sleeve (5), an inner cavity of the limiting sleeve (5) comprises a first cavity, the first cavity adopt round platform shape cavity, the first cavity in the activity cover be equipped with clamping piece (6), the inboard of clamping piece (6) is provided with steel strand wires centre gripping chamber, limiting sleeve (5) that hollow pneumatic cylinder (1) one side was kept away from in clamping piece (6) are provided with spring (7), the inner chamber of spring (7) and the inner chamber of hollow pneumatic cylinder (1) pass through steel strand wires centre gripping chamber be linked together.
2. The tractor for shuttling steel strands as claimed in claim 1, wherein: the inner chamber of spacing sleeve pipe (5) still include the second inner chamber, the second inner chamber adopt cylindric cavity, spring (7) be located the second inner chamber, the second inner chamber still be provided with pressure regulating pipe (8), be provided with pressure regulating ring (9) on pressure regulating pipe (8), the one end and the pressure regulating ring (9) of spring (7) are connected, be provided with drive ring (10) on the other end of spring (7), drive ring (10) and clamping piece (6) swing joint.
3. The tractor for shuttling steel strands as claimed in claim 1, wherein: the number of the steel strand fixing devices is not less than two, the two steel strand fixing devices are located on the same axis, the number of the clamping pieces (6) corresponding to each first cavity is not less than two, and the steel strand clamping cavity adopts a virtual cylindrical cavity.
4. The tractor for shuttling steel strands as claimed in claim 1, wherein: the number of the connecting rods (4) is four, and the four connecting rods (4) are uniformly distributed on the outer side of the extension line of the central axis of the hollow hydraulic cylinder (1) in a cross manner.
5. The tractor for shuttling steel strands as claimed in claim 1, wherein: and a connecting flange (11) is arranged at the bottom of the hollow hydraulic cylinder (1).
6. The tractor for shuttling steel strands as claimed in claim 1, wherein: the anti-skid device is characterized in that an anti-skid layer (12) is arranged on the inner side of the clamping piece (6), and the anti-skid layer (12) is of a criss-cross groove-shaped structure.
7. The tractor for shuttling steel strands as claimed in claim 2, wherein: the axis of steel strand wires centre gripping chamber, the axis of spring (7) inner chamber and the axis of pressure regulating pipe (8) inner chamber be located same axis, the inner wall of pressure regulating pipe (8) and the outer wall fixed connection of pressure regulating ring (9), pressure regulating pipe (8) and spacing sleeve pipe (5) threaded connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120573788.0U CN214879106U (en) | 2021-03-22 | 2021-03-22 | Tractor for shuttling steel strands |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120573788.0U CN214879106U (en) | 2021-03-22 | 2021-03-22 | Tractor for shuttling steel strands |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214879106U true CN214879106U (en) | 2021-11-26 |
Family
ID=79037597
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120573788.0U Active CN214879106U (en) | 2021-03-22 | 2021-03-22 | Tractor for shuttling steel strands |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214879106U (en) |
-
2021
- 2021-03-22 CN CN202120573788.0U patent/CN214879106U/en active Active
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