CN210336014U - Telescopic arm that snatchs - Google Patents

Abstract

The utility model relates to a telescopic grabbing arm, which comprises a claw, a telescopic rod, a grabbing switch and a traction rope retractor, wherein the claw is arranged at the upper end of the telescopic rod, the grabbing switch and the traction rope retractor are arranged at the lower end of the telescopic rod, and a traction rope output by the traction rope retractor passes through the grabbing switch and is connected with the claw; the lower end of the telescopic rod is also provided with a pull rope clamp for locking the length of the pull rope output by the pull rope retractor, and the pull rope clamp is positioned between the grabbing switch and the pull rope retractor. Can be according to the length of probe height adjustment telescopic link during the use to snatch the switch through the operation and make the claw fold, grasp the visor, accomplish taking off of probe visor, need not to ascend a height equipment with the help of benches, double ladder etc. and operate very simply, convenient, light, swift, raise the efficiency and the completeness by a wide margin, and should snatch the simple structure of arm, the production and processing is easy, with low costs, is favorable to mass production, uses widely.

Description

Telescopic arm that snatchs

Technical Field

The utility model belongs to the technical field of the probe visor takes off the lid device, in particular to a telescopic arm that snatchs for taking off probe visor.

Background

The novel instrument probe installed on the ocean platform is provided with a plastic protective cover, and in order to avoid accidental damage of the probe in the platform construction process, the protective cover is kept until the whole platform is installed in place at sea and then is taken down. However, the applicant found that: at the moment, the scaffold near the probe on the platform is already dismantled, the protective cover is inconvenient to take off, a bench needs to be placed below the probe or a small herringbone ladder needs to be erected by adopting the traditional method, then the scaffold is taken off after people climb up, the bench or the herringbone ladder is moved to the position below the next probe after the operation is finished, and the operation is repeated; and when a large platform has tens or even hundreds of probes, it is a very tedious and time consuming task.

SUMMERY OF THE UTILITY MODEL

For solving the above-mentioned problem that exists among the prior art, the utility model provides a need not to take off the operation with the help of the visor that ascending a height equipment such as bench, double ladder just can remote eminence probe, easy operation, convenience, light, swift, raises the telescopic arm that snatchs of efficiency and completeness by a wide margin.

In order to solve the technical problem, the utility model adopts the following technical scheme:

a telescopic grabbing arm comprises a claw, a telescopic rod, a grabbing switch and a traction rope retractor, wherein the claw is arranged at the upper end of the telescopic rod, the grabbing switch and the traction rope retractor are arranged at the lower end of the telescopic rod, and a traction rope output by the traction rope retractor passes through the grabbing switch and is connected with the claw; the lower end of the telescopic rod is also provided with a pull rope clamp for locking the length of the pull rope output by the pull rope retractor, and the pull rope clamp is positioned between the grabbing switch and the pull rope retractor.

Furthermore, the traction rope winding and unwinding device comprises a shell and a rope reel arranged in the shell, the rope reel is rotatably arranged in the shell and is wound with the traction rope, and the rope reel is also provided with a curled elastic spring for generating pulling force on the unwound traction rope.

Furthermore, the pull rope clamping device is positioned at a pull rope inlet and outlet of the pull rope retracting device and comprises two friction plates and a clamping switch, the two friction plates are arranged in parallel at intervals, the pull rope passes through the two friction plates, one friction plate is fixedly arranged on the telescopic rod, the other friction plate can move towards the fixedly fixed friction plate and tightly arrange the pull rope on the telescopic rod, and the clamping switch is arranged on the telescopic pipe and is in driving connection with the movable friction plate.

Furthermore, the telescopic link is a hollow telescopic pipe, the claw and the traction rope retractor are respectively arranged at the upper end part and the lower end part of the telescopic link, the grabbing switch is arranged on the circumferential side surface of the lower end of the telescopic link, the two friction plates are arranged in the telescopic link and positioned between the grabbing switch traction rope retractor and close to the traction rope retractor, and the clamping switch is arranged on the circumferential side surface of the lower end of the telescopic link and extends into the telescopic link to be connected with the movable friction plates in a driving mode.

Furthermore, the claw is connected with the upper end part of the telescopic rod by adopting a universal joint structure.

Furthermore, the lower extreme of claw is equipped with universal ball, the upper end tip of telescopic link is equipped with universal ball and rotates the seat, universal ball is installed in universal ball rotates the seat.

Furthermore, the claw is a three-finger clamping claw, and a grabbing contact surface of each clamping finger is provided with an anti-slip layer.

Further, the anti-slip layer is rubber.

Further, the pull rope is a steel wire rope.

The utility model discloses mainly have following beneficial effect:

the above technical scheme, the utility model, can need not to take off the operation with the help of ascending a height equipment such as bench, herringbone ladder and just can remote eminence probe's visor, solve the tradition and take off the problem that probe visor intensity of labour is big and the risk is high, operate very simple, convenient, light, swift, raise the efficiency and the completeness by a wide margin, this snatchs the simple structure of arm moreover, the production and processing is easy, with low costs, is favorable to mass production, popular use.

In addition, the claw can be installed in the upper end of telescopic link universally rotatably, guarantees that the claw can rotate to and stably grabs the visor under the visor, and the stable performance is reliable, and it is nimble, convenient to use.

Drawings

Fig. 1 is a schematic structural view of an embodiment of a telescopic grabbing arm according to the present invention.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.

As shown in fig. 1:

the embodiment of the utility model provides a telescopic grabbing arm, including claw 1, telescopic link 2, grabbing switch 3 and traction rope winding and unwinding device 5, claw 1 locates the upper end of telescopic link 2, grabbing switch 3 and traction rope winding and unwinding device 5 locate the lower extreme of telescopic link 2, and the stay cord 4 that traction rope winding and unwinding device 5 outputs passes through grabbing switch 3 and is connected with claw 1; the lower end of the telescopic rod 2 is also provided with a pull rope clamp for locking the length of the pull rope output by the pull rope retractor 5, and the pull rope clamp is positioned between the grabbing switch 3 and the pull rope retractor 5.

The traction rope reel 5 includes a housing and a rope reel (not shown) disposed in the housing, the rope reel is rotatably mounted in the housing and wound with the rope 4, and the rope reel is further provided with a winding elastic spring for generating a pulling force on the paid-out rope 4. The pull rope clamping device is positioned at a pull rope inlet and outlet of the pull rope retracting device 5 and comprises two friction plates (not shown in the figure) and a clamping switch 6, the two friction plates are arranged in parallel at intervals, the pull rope 4 passes through the two friction plates, one friction plate is fixedly arranged on the telescopic rod 2, the other friction plate can move towards the fixedly fixed friction plate and tightly clamps the pull rope 4 on the telescopic rod 2, and the clamping switch 6 is arranged on the telescopic rod 2 and is in driving connection with the movable friction plate. The concrete structure can be as follows: the telescopic link 2 can be a hollow telescopic pipe, the claw 1 can be a three-finger clamping jaw, the pull rope 4 can be a steel wire rope, moreover, the claw 1 and the pull rope winding and unwinding device 5 are respectively arranged at the upper end part and the lower end part of the telescopic link 2, the grabbing switch 3 is arranged on the lower end peripheral side surface of the telescopic link 2, two friction plates of the pull rope clamping device are arranged in the telescopic link 2 and are positioned between the grabbing switch 3 and the pull rope winding and unwinding device 5 and are close to the pull rope inlet and outlet of the pull rope winding and unwinding device 5, and the clamping switch 6 is arranged on the lower end peripheral side surface of the telescopic link 2 and stretches into the telescopic link 2 to.

When the telescopic grabbing arm is used, the grabbing arm is held by a hand to move to the position below a probe, and a stay cord clamp is loosened (namely, a movable friction plate is far away from a fixed friction plate by operating a clamping switch 6, and a stay cord 4 is loosened), so that a claw 1 is opened; then the length of the telescopic rod 2 is adjusted according to the height of the probe, at the moment, the traction rope retractor 5 carries out paying-off action (namely, the pulling rope 4 on the internal pulling rope reel is pulled out), and after the length of the telescopic rod 2 is adjusted, the pulling rope clamper is operated to clamp the pulling rope 4 (namely, the clamping switch 6 is operated to enable the movable friction plate to move towards the fixed friction plate and clamp the pulling rope 4), and the length of the pulling rope 4 output by the traction rope retractor 5 is locked; and then, the claw 1 is moved towards the top of the protective cover, so that the claw 1 is aligned along the direction of the protective cover, the grabbing switch 3 is operated to pull the pull rope 4, the claw 1 is driven to be folded to grab the protective cover, and finally the grabbing arm is slightly pulled downwards to separate the protective cover from the probe, so that the protective cover of the probe is completely uncovered.

Therefore, through the telescopic arm that snatchs can need not to take off the operation with the help of ascending a height equipment such as bench, double ladder visor that just can remote eminence probe, solves the tradition and takes off the problem that probe visor intensity of labour is big and the danger is high, operates very simply, conveniently, easily, swiftly, raises the efficiency and the completeness by a wide margin, should snatch the simple structure of arm moreover, production and processing is easy, with low costs, is favorable to mass production, uses widely.

In addition, the claw 1 is connected with the upper end part of the telescopic rod 2 by adopting a universal joint structure. The concrete structure can be as follows: the lower extreme of claw 1 is equipped with universal ball 7, the upper end tip of telescopic link 2 is equipped with universal ball and rotates seat 8, universal ball 7 is installed in universal ball rotates seat 8. Therefore, a user stands below any angle, the claw 1 can rotate to the position right below the protective cover to stably hold the protective cover, the performance is stable and reliable, and the use is more flexible and convenient.

Moreover, an anti-slip layer (not shown in the figure, the anti-slip layer can be rubber) is further arranged on the grabbing contact surface of each clamping finger of the claw 1, so that the grabbing stability and firmness of the claw 1 can be further improved, and the performance is better.

The foregoing is a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of improvements and decorations can be made without departing from the principle of the present invention, and these improvements and decorations are also considered as the protection scope of the present invention.

Claims (9)

1. The telescopic grabbing arm is characterized by comprising a claw (1), a telescopic rod (2), a grabbing switch (3) and a traction rope retractor (5), wherein the claw (1) is arranged at the upper end of the telescopic rod (2), the grabbing switch (3) and the traction rope retractor (5) are arranged at the lower end of the telescopic rod (2), and a traction rope (4) output by the traction rope retractor (5) passes through the grabbing switch (3) and is connected with the claw (1); the lower end of the telescopic rod (2) is also provided with a pull rope clamp for locking the length of the pull rope output by the pull rope retractor (5), and the pull rope clamp is positioned between the grabbing switch (3) and the pull rope retractor (5).

2. The telescopic gripper arm according to claim 1, wherein the pull cord retractor (5) comprises a housing and a pull cord reel disposed in the housing, the pull cord reel being rotatably mounted in the housing and around which the pull cord (4) is wound, the pull cord reel further being provided with a coiled spring for generating a pulling force on the paid-out pull cord (4).

3. The telescopic gripper arm according to claim 1 or 2, wherein the rope clamp is located at the rope entrance/exit of the rope retractor (5) and comprises two friction plates arranged in parallel and at a distance, and the rope (4) passes between the two friction plates, wherein one friction plate is fixedly arranged on the telescopic rod (2) and the other friction plate is movable towards the fixed friction plate to clamp the rope (4) on the telescopic rod (2), and a clamping switch (6) arranged on the telescopic rod (2) and drivingly connected with the movable friction plate.

4. The telescopic gripper arm according to claim 3, wherein the telescopic rod (2) is a hollow telescopic tube, the claw (1) and the traction rope retractor (5) are respectively arranged at the upper end and the lower end of the telescopic rod (2), the gripper switch (3) is arranged at the lower peripheral side surface of the telescopic rod (2), two friction plates are arranged in the telescopic rod (2) and located between the gripper switch (3) and the traction rope retractor (5) and close to the traction rope inlet and outlet of the traction rope retractor (5), and the clamping switch (6) is arranged at the lower peripheral side surface of the telescopic rod (2) and extends into the telescopic rod (2) to be in driving connection with the movable friction plates.

5. The telescopic gripper arm according to claim 1, 2 or 4, wherein the claw (1) is connected to the upper end of the telescopic rod (2) by means of a universal joint.

6. The telescopic gripper arm according to claim 5, wherein the lower end of the claw (1) is provided with a universal ball (7), the upper end of the telescopic rod (2) is provided with a universal ball rotating seat (8), and the universal ball (7) is mounted in the universal ball rotating seat (8).

7. Telescopic gripper arm according to claim 1 or 2 or 4 or 6, wherein the gripper (1) is a three-finger gripper jaw and the gripping contact surface of each gripper finger is provided with a slip-resistant layer.

8. The telescopic gripper arm of claim 7, wherein the non-slip layer is rubber.

9. Telescopic gripper arm according to claim 1 or 2 or 4 or 6 or 8, wherein the pulling rope (4) is a wire rope.

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