CN217317693U - Clamping device for tensioning - Google Patents
Clamping device for tensioning Download PDFInfo
- Publication number
- CN217317693U CN217317693U CN202220580313.9U CN202220580313U CN217317693U CN 217317693 U CN217317693 U CN 217317693U CN 202220580313 U CN202220580313 U CN 202220580313U CN 217317693 U CN217317693 U CN 217317693U
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- wall plates
- movable part
- oil cylinder
- rod
- clamping
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Abstract
The utility model discloses a clamping device for stretch-draw belongs to building articles for use technical field. The device comprises an oil cylinder, a fixed bracket and a clamping claw; the clamping claw comprises two opposite wall plates, and a movable part is arranged between the two wall plates; the movable part is connected with the wall plates on the two sides of the movable part through a straight rod, and the two ends of the straight rod are respectively hinged with the movable part and the corresponding wall plates; the oil cylinder and the clamping claw are both positioned in the fixing frame, and the cylinder body of the oil cylinder is fixedly connected with the fixing support; a sliding rod is also arranged in the fixed frame and is vertical to a piston rod of the oil cylinder; two wall plates of the clamping jaw are constrained on the sliding rod, and the two wall plates move in the opposite direction or move away from each other along the sliding rod; the end of the movable part is fixedly connected with the piston rod. The utility model discloses press from both sides tight stable in structure, be difficult for the slippage, be convenient for realize automaticly.
Description
Technical Field
The utility model relates to building articles for use technical field, in particular to a clamping device for stretch-draw.
Background
At present, manual operation is adopted for tensioning the domestic sleepers, so that the production efficiency is low and the labor intensity is high. The automatic tensioning equipment can meet the requirement of automatic tensioning, and an automatic clamping device is required to connect the tensioning rod and the jack during automatic tensioning.
SUMMERY OF THE UTILITY MODEL
In view of this, the utility model provides a clamping device for stretch-draw. The clamping structure of the device is stable, is not easy to slip and is convenient to realize automation.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a clamping device for tensioning comprises an oil cylinder, a fixed support and a clamping claw; the clamping claw comprises two opposite wall plates, and a movable part is arranged between the two wall plates; the movable part is connected with the wall plates on the two sides of the movable part through a straight rod, and the two ends of the straight rod are respectively hinged with the movable part and the corresponding wall plates;
the oil cylinder and the clamping claw are both positioned in the fixing frame, and the cylinder body of the oil cylinder is fixedly connected with the fixing support; a sliding rod is also arranged in the fixed frame and is vertical to a piston rod of the oil cylinder; the two wall plates of the clamping jaw are constrained on the sliding rod, and the two wall plates move oppositely or away from each other along the sliding rod; the tail end of the movable piece is fixedly connected with the piston rod.
Furthermore, the front end parts of the wall plates are provided with inward extensions.
Further, a strip-shaped groove is formed in the movable piece; the slide bar passes through the strip-shaped groove.
Furthermore, the straight rods are provided with at least two groups, each group of straight rods is symmetrical about the center line of the movable part, and the straight rods positioned on the same side of the movable part are parallel to each other.
Furthermore, an included angle between the straight rod and the extending direction of the piston rod is an acute angle.
The utility model adopts the beneficial effect that above-mentioned technical scheme produced lies in:
the utility model discloses a clamping jaw passes through hinge structure and overall structure adopts rigid connection, stable in structure to clamping jaw's end and slide bar retrain mutually, make clamping jaw concentrate the atress, reduce the dispersion of power.
Drawings
Fig. 1 is a schematic structural view illustrating the opening of the clamping jaws according to the embodiment of the present invention.
Fig. 2 is a schematic structural view of the closing of the clamping jaws according to the embodiment of the present invention.
In the figure: 1. the device comprises a movable piece, 2, a sliding rod, 3, a fixed support, 4, an oil cylinder, 5, a piston rod, 6, a straight rod, 7, an extension, 8 and a wall plate.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and specific embodiments.
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without inventive labor.
A clamping device for tensioning comprises an oil cylinder, a fixed support and a clamping claw; the clamping claw comprises two opposite wall plates, and a movable part is arranged between the two wall plates; the movable part is connected with the wall plates on the two sides of the movable part through a straight rod, and the two ends of the straight rod are respectively hinged with the movable part and the corresponding wall plates;
the oil cylinder and the clamping claw are positioned in the fixing frame, and the cylinder body of the oil cylinder is fixedly connected with the fixing support; a sliding rod is also arranged in the fixed frame and is vertical to a piston rod of the oil cylinder; the two wall plates of the clamping jaw are constrained on the sliding rod, and the two wall plates move oppositely or away from each other along the sliding rod; the tail end of the movable piece is fixedly connected with the piston rod.
Furthermore, the front end parts of the wall plates are provided with inward extensions.
Further, a strip-shaped groove is formed in the movable piece; the sliding rod penetrates through the strip-shaped groove.
Furthermore, the straight rods are provided with at least two groups, each group of straight rods is symmetrical about the center line of the movable part, and the straight rods positioned on the same side of the movable part are parallel to each other.
Furthermore, an included angle between the straight rod and the extending direction of the piston rod is an acute angle.
The following is a more specific example:
referring to fig. 1 and 2, the clamping jaw of the present embodiment comprises two opposite wall plates, between which a movable member 1 is provided; the movable part is connected with the wall plates on the two sides of the movable part through a straight rod 6, and the two ends of the straight rod are respectively hinged with the movable part and the corresponding wall plate 8; the oil cylinder 4 and the clamping claw are both positioned in the fixing frame, and the cylinder body of the oil cylinder is fixedly connected with the fixing support 3; a sliding rod is also arranged in the fixed frame and is vertical to a piston rod 5 of the oil cylinder; two wall plates of the clamping jaw are both constrained on the sliding rod 2, and the two wall plates move in the opposite direction or away from each other along the sliding rod; the tail end of the movable piece is fixedly connected with the piston rod.
The front ends of the wall plates are provided with inward extensions 7 for clamping the reinforcing steel bars to be tensioned. The movable piece is provided with a strip-shaped groove; the slide bar passes the bar groove, and when the moving part moved, the slide bar was located the different positions in bar groove.
The straight rod of this embodiment is equipped with two sets of the half part before all being located the moving part. Under the normal state, the clamping claw is in a closed state, and the piston rod is positioned in the oil cylinder; when the clamping device is used, the piston rod extends out of the oil cylinder to push the movable piece to move in the direction, the wall plate moves away from the two sides along the sliding rod under the action of the hinged straight rod, and the clamping claws are opened; when the sliding rod is closed, the piston rod retracts, and the wall plates move oppositely along the sliding rod.
Claims (5)
1. A clamping device for tensioning comprises an oil cylinder, a fixed support and a clamping claw; the clamping jaw is characterized by comprising two opposite wall plates, and a movable part is arranged between the two wall plates; the movable part is connected with the wall plates on the two sides of the movable part through a straight rod, and the two ends of the straight rod are respectively hinged with the movable part and the corresponding wall plates;
the oil cylinder and the clamping claw are both positioned in the fixing frame, and the cylinder body of the oil cylinder is fixedly connected with the fixing support; a sliding rod is also arranged in the fixed frame and is vertical to a piston rod of the oil cylinder; two wall plates of the clamping jaw are constrained on the sliding rod and move oppositely or away from each other along the sliding rod; the tail end of the movable piece is fixedly connected with the piston rod.
2. A clamping device for tensioning according to claim 1, characterised in that the front end portions of the wall panels are each provided with an inward extension.
3. A clamping device for tensioning according to claim 1, wherein the movable member is provided with a strip-shaped groove; the slide bar passes through the strip-shaped groove.
4. A clamping device for tensioning according to claim 1, characterized in that said straight bars are provided in at least two groups, each group of straight bars being symmetrical with respect to the centre line of the mobile element and the straight bars on the same side of the mobile element being parallel to each other.
5. A clamping device for tensioning according to claim 1 wherein the straight rod is at an acute angle to the direction of extension of the piston rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220580313.9U CN217317693U (en) | 2022-03-17 | 2022-03-17 | Clamping device for tensioning |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220580313.9U CN217317693U (en) | 2022-03-17 | 2022-03-17 | Clamping device for tensioning |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217317693U true CN217317693U (en) | 2022-08-30 |
Family
ID=83001442
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220580313.9U Active CN217317693U (en) | 2022-03-17 | 2022-03-17 | Clamping device for tensioning |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217317693U (en) |
-
2022
- 2022-03-17 CN CN202220580313.9U patent/CN217317693U/en active Active
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