CN212723523U - Grasping tool - Google Patents

Abstract

The utility model relates to a grab and press from both sides equipment technical field, more specifically relates to a grab and hold instrument, including portion of gripping, first clamping part, second clamping part and drive mechanism, the portion of gripping on be equipped with the handle, the portion of gripping on be equipped with the opening, first clamping part and second clamping part set up relatively in the opening just first clamping part and second clamping part articulated with the portion of gripping respectively, drive mechanism and first clamping part be connected and drive first clamping part and rotate. Can make things convenient for the staff to hold the pipeline periscope for a long time, can not produce big amplitude swing and shake when holding for unsettled equipment is more stable.

Description

Grasping tool

Technical Field

The utility model relates to a grab and press from both sides equipment technical field, more specifically relates to a grab and hold instrument.

Background

The pipeline periscope is mainly applied to the aspects of completion acceptance of municipal pipelines, scheme design of pipeline repair, construction monitoring in the pipeline repair process, retest after repair and the like. Therefore, the device has two essential functions in the acquisition and playback of the image inside the pipeline and the measurement of the corresponding actual position of the current image.

As disclosed in publication No.: CN210573002U discloses an automatic flexible pipeline periscope of intelligence, relate to including handheld pole and with handheld pole between realize scalable complex telescopic link, the lower tip of telescopic link sets up the camera, the one end of handheld pole is formed with the permission the telescopic link stretches into and forms scalable complex telescopic space, the telescopic link periphery wall with be equipped with guiding mechanism between the internal perisporium of handheld pole, be equipped with on the handheld pole and be used for the telescopic link to carry out the telescopic machanism that stretches out and draws back, still be used for supporting in telescopic link one side including setting up the supporting mechanism of telescopic link and handheld pole.

Like above-mentioned patent publication, the staff generally need stretch into to the pipeline through handheld pole when using it to monitor, but have more scene that needs to make equipment keep stable position in actual survey work, for example when surveying at underground river, if the staff fixes and controls equipment through handheld mode, because equipment self has great weight, the in-process that the staff gripped hard can lead to unsettled equipment can produce swing and shake by a wide margin, make the degree of difficulty of equipment collection data increase, the staff also need keep gripping the gesture for a long time simultaneously, it is great to staff's physical demands, be difficult to keep the state of long-time balance.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to overcome prior art not enough, provide a grab and hold instrument, can make things convenient for the staff to grip the pipeline periscope for a long time, can not produce by a wide margin swing and shake when gripping for unsettled equipment is more stable.

In order to solve the technical problem, the utility model discloses a technical scheme is: the utility model provides a grab and hold instrument, includes portion of gripping, first clamping part, second clamping part and drive mechanism, the portion of gripping on be equipped with the handle, the portion of gripping on be equipped with the opening, first clamping part and second clamping part set up relatively in the opening just first clamping part and second clamping part articulated with the portion of gripping respectively, drive mechanism and first clamping part be connected and drive first clamping part and rotate.

When holding the pipeline periscope, a worker needs to hold the telescopic rod at the position of a vertical shaft mouth, the pipeline periscope is connected below the telescopic rod, the worker can grasp the telescopic rod by using the device, wherein the telescopic rod is placed between the first clamping part and the second clamping part, and the first clamping part is drawn and rotated by using the traction mechanism, so that the first clamping part is rotated to touch the telescopic rod and apply pressure to the telescopic rod, the telescopic rod can be clamped by the common friction force action of the first clamping part and the second clamping part, in the holding process, the arm of the worker naturally droops and holds the handle, as the first clamping part and the second clamping part are both rotatably connected on the holding part, the posture of the telescopic rod grasped by the first clamping part and the second clamping part is controlled by the first clamping part and the second clamping part, therefore, the telescopic rod can still keep a vertical state, and even if the hand of a worker shakes, the position of the telescopic rod cannot be greatly changed, so that large-amplitude swinging and shaking are generated. Therefore, when the hand-held electric hand-held tool is used, a worker can hold the hand-held electric hand-held.

Furthermore, the traction mechanism comprises a control handle and a traction rope, the control handle is hinged with the holding part, one end of the traction rope is connected with the holding handle, and the other end of the traction rope is connected with the first opening plate. When grabbing the telescopic link, the staff holds the handle and presses the control handle, thereby the control makes first nip portion rotate to compress tightly the telescopic link pulling haulage rope.

Further, still include guiding mechanism, guiding mechanism include first direction pivot and second direction pivot, first direction pivot locate the portion of gripping upper portion, second direction pivot locate the portion of gripping lower part, the portion of gripping on be equipped with the intercommunication mouth, the haulage rope middle section twine first guiding axle, second guiding axle respectively and pass the intercommunication mouth. The direction of the hauling rope is adjusted through the guide mechanism, the tension of the hauling rope is kept, and the control is convenient to control through a control handle.

Furthermore, first clamping part include first mount pad and first grip block, first grip block be connected with first mount pad, second clamping part include second mount pad and second grip block, second grip block and second mount pad connect.

Furthermore, a third mounting seat and a fourth mounting seat are arranged in the opening, the first mounting seat and the third mounting seat are connected through a first rotating shaft, the second mounting seat is connected with the fourth mounting seat through a second rotating shaft, a third shaft hole is arranged on the third mounting seat, the fourth mounting seat is provided with a fourth shaft hole, the first mounting seat comprises two first rotating seat arms which are oppositely arranged, the first rotating seat arm is provided with a first shaft hole, the second mounting seat comprises two second rotating seat arms which are oppositely arranged, the second swivel base arm is provided with a second shaft hole, the third mounting seat is arranged between the two first swivel base arms, the first swivel shaft passes through the first shaft hole and the third shaft hole, the fourth mounting seat is arranged between the two second rotating seat arms, and the second rotating shaft penetrates through the second shaft hole and the fourth shaft hole.

Furthermore, the opening side wall is provided with a first opening and a second opening, the end part of the first rotating shaft penetrates out of the first opening, and the end part of the second rotating shaft penetrates out of the second opening. Can first pivot and second pivot of easy to assemble through first trompil and second trompil, only need in the installation with first pivot from the first trompil of the side of the portion of gripping penetrate can, and in the same way, the second pivot penetrates can from the second trompil of the side of the portion of gripping when the installation.

Furthermore, the end of the first rotating shaft penetrating through the first hole is provided with a first limiting block, and the end of the second rotating shaft penetrating through the second hole is provided with a second limiting block. The first limiting block is formed by bending the part protruding out of the first opening of the first rotating shaft, the second limiting block is formed by bending the part protruding out of the second opening of the second rotating shaft, and the positions of the first rotating shaft and the second rotating shaft can be limited through the first limiting block and the second limiting block so as to avoid separation.

Further, still include canceling release mechanical system, canceling release mechanical system establish the torsional spring on first pivot for the cover, torsional spring one end be connected with first revolving stage arm, the other end is connected with the third mount pad. Can make first clamping part restore to the throne and can keep the tension of haulage rope through canceling release mechanical system, in user state, the first clamping part of haulage rope tractive, the first portion of gripping rotates and overcomes the spring action of torsional spring, when not using, the effort of cancel control handle, the haulage rope disappears to the tractive effort of first clamping part, the torsional spring resets under the spring action of self and drives first clamping part antiport and resets, be convenient for use next time, and drive the haulage rope action simultaneously, make control handle reset, can keep the tensioning of haulage rope simultaneously.

Furthermore, the first clamping plate and the second clamping plate are cambered plates, and rubber concave-convex surfaces are arranged on the cambered plates. The cambered plate is adaptive to the surface shape of the telescopic rod, when the control rod is grabbed, the cambered surface is attached to the surface of the telescopic rod, and the friction force between the cambered plate and the control rod is enhanced through the concave-convex surface of the rubber, so that the control rod can be firmly grabbed.

Furthermore, the handle comprises an extension arm, a plurality of bayonets are arranged at the end part of the handle, a plurality of clamping blocks are arranged at the end part of the extension arm, and the bayonets are connected with the clamping blocks in a clamping manner. The extension arm of different length of staff's change selection according to actual need conveniently grips, and the extension arm is for dismantling the connection, can dismantle it when carrying, saves space, conveniently carries.

Compared with the prior art, the beneficial effects of the utility model are that: the pipeline periscope can be conveniently held by a worker for a long time, the holding posture is comfortable, and large-amplitude swing and shaking cannot be generated, so that the suspended equipment is more stable.

Drawings

Fig. 1 is a schematic overall structure diagram of the present invention;

FIG. 2 is a schematic structural view of the grip portion of the present invention;

fig. 3 is a schematic view of the present invention when in a grabbing state.

Fig. 4 is a stress cloud under the grabbing device of the present invention.

Detailed Description

The present invention will be further described with reference to the following embodiments. Wherein the showings are for the purpose of illustration only and are shown by way of illustration only and not in actual form, and are not to be construed as limiting the present patent; for a better understanding of the embodiments of the present invention, some parts of the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product; it will be understood by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted.

The same or similar reference numerals in the drawings of the embodiments of the present invention correspond to the same or similar parts; in the description of the present invention, it should be understood that if there are the terms "upper", "lower", "left", "right", etc. indicating the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, it is only for convenience of description and simplification of the description, but it is not intended to indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and therefore the terms describing the positional relationship in the drawings are only for illustrative purposes and are not to be construed as limitations of the present patent, and those skilled in the art can understand the specific meanings of the terms according to specific situations.

Examples

As shown in fig. 1 and 2, a grasping tool includes a holding portion 10, a first holding portion, a second holding portion, and a traction mechanism, the front end of the holding portion 10 is a ring structure, the rear end is a handle 103 connected to the ring structure, wherein the upper surface of the ring structure is a plane, the lower surface is a slope, an opening 100 is formed in the ring structure, and the first holding portion and the second holding portion are movably disposed in the opening 100.

The first clamping portion includes a first mounting seat 211 and a first clamping plate 212, the first clamping plate 212 is connected with the first mounting seat 211, the second clamping portion includes a second mounting seat 221 and a second clamping plate 222, and the second clamping plate 222 is connected with the second mounting seat 221. The first clamping plate 212 and the second clamping plate 222 are arranged oppositely, the first clamping plate 212 and the second clamping plate 222 are cambered plates, and rubber concave-convex surfaces are arranged on the cambered plates. The cambered plate is adaptive to the surface shape of the telescopic rod, when the control rod is grabbed, the cambered surface is attached to the surface of the telescopic rod, and the friction force between the cambered plate and the control rod is enhanced through the concave-convex surface of the rubber, so that the control rod can be firmly grabbed.

Specifically, a third installation seat 101 and a fourth installation seat 102 are oppositely arranged on the inner wall of the opening 100, the third installation seat 101 and the fourth installation seat 102 are respectively fixedly connected with the inner wall of the opening 100, the first installation seat 211 is connected with the third installation seat 101 through a first rotating shaft 213, the second installation seat 221 is connected with the fourth installation seat 102 through a second rotating shaft 223, a third shaft hole is formed in the third installation seat 101, a fourth shaft hole is formed in the fourth installation seat 102, the first installation seat 211 comprises two first rotating seat arms which are oppositely arranged, a first shaft hole is formed in each first rotating seat arm, the second installation seat 221 comprises two second rotating seat arms which are oppositely arranged, a second shaft hole is formed in each second rotating seat arm, the third installation seat 101 is arranged between the two first rotating seat arms, the first rotating shaft 213 penetrates through the first shaft hole and the third shaft hole, the fourth installation seat 102 is arranged between the two second rotating seat arms, and the second rotating shaft 223 penetrates through the second shaft hole and the fourth shaft hole. After the installation, the first installation base 211 rotates around the first rotation shaft 213, and the second installation base 221 rotates around the second rotation shaft 223.

The side wall of the opening 100 is provided with a first opening and a second opening, the end part of the first rotating shaft 213 penetrates out of the first opening, and the end part of the second rotating shaft 223 penetrates out of the second opening. First pivot 213 and second pivot 223 can be conveniently installed through first trompil and second trompil, only need to penetrate first pivot 213 from the first trompil of the side of portion 10 when the installation can, and similarly, second pivot 223 penetrates from the second trompil of the side of portion 10 when the installation can.

In addition, a first limiting block 214 is arranged at one end of the first rotating shaft 213 penetrating through the first opening, and a second limiting block 224 is arranged at one end of the second rotating shaft 223 penetrating through the second opening. The first stopper 214 is formed by bending a portion of the first rotating shaft 213 protruding out of the first opening, the second stopper 224 is formed by bending a portion of the second rotating shaft 223 protruding out of the second opening, and the first stopper 214 and the second stopper 224 can limit the positions of the first rotating shaft 213 and the second rotating shaft 223 to prevent the first rotating shaft 213 and the second rotating shaft 223 from falling off. When the first and second rotating shafts 213 and 223 are installed, the rotating shafts are inserted into the openings in alignment, and then the rotating shafts with the protruding ends are bent by using pliers.

In this embodiment, the traction mechanism includes a traction rope 302 and a control handle 301, wherein one end of the control handle 301 is rotatably disposed on the grip 103, small holes are disposed at the top end of the first clamping plate 212 and the control handle 301, two ends of the traction rope 302 are respectively connected with the first clamping plate 212 and the control handle 301 through the small holes, the traction rope 302 is kept in a tight state, when the control handle 301 is pressed to rotate, the traction rope 302 is pulled to move, and the first clamping plate 212 is pulled through the traction rope 302, so that the first clamping plate 212 rotates, and the telescopic rod disposed between the first clamping plate 212 and the second clamping plate 222 is compressed, and the second clamping part is hinged to the grip part 10 at the same time of compression, thereby ensuring that the surface of the telescopic rod is always tightly attached to the first clamping plate 212 and the second clamping plate 222, and ensuring that a large contact area is maintained between the telescopic rod and the clamping plates, the telescopic rod and the clamping plate have large friction force, so that the telescopic rod can be stably clamped and fixed.

Particularly, in order to better control the traction rope 302, the device is further provided with a guiding mechanism, the guiding mechanism comprises a first guiding rotating shaft 401 and a second guiding rotating shaft 403, the first guiding rotating shaft 401 is arranged at the upper part of the holding part 10, the second guiding rotating shaft 403 is arranged at the lower part of the holding part 10, a communicating opening 402 is arranged on the holding part 10, and the middle section of the traction rope 302 is respectively wound around the first guiding shaft and the second guiding shaft and passes through the communicating opening 402. The direction of the hauling cable 302 is adjusted through the guiding mechanism, the tension of the hauling cable 302 is kept, and the control handle 301 is convenient to control.

In addition, this device has still set up canceling release mechanical system, canceling release mechanical system for the cover establish the torsional spring on first pivot 213, torsional spring one end be connected with first pivot arm, the other end is connected with third mount pad 101. Can make first clamping part reset and can keep the tension of haulage rope 302 through canceling release mechanical system, in user state, the first clamping part of haulage rope 302 tractive, the first portion of gripping 10 rotates and overcomes the spring action of torsional spring, when not using, the effort of cancellation control to 301, haulage rope 302 disappears to the tractive effort of first clamping part, the torsional spring resets under the spring action of self and drives first clamping part antiport and resets, be convenient for use next time, and drive haulage rope 302 action simultaneously, make control to 301 reset, can keep haulage rope 302's tensioning simultaneously.

Besides, the reset mechanism can be a spring disposed between the first clamping plate 212 and the inner wall of the opening 100, specifically, one end of the spring is connected to the lower end wall surface of the first clamping plate 212, and the other end of the spring is connected to the inner wall of the opening 100, when the spring is compressed, and when the spring is not in operation, the spring is reset to push the first clamping plate 212 to rotate reversely, so that the first clamping plate 212 is reset.

In addition, in this embodiment, in order to facilitate the holding of the worker, an extension arm 50 is further added, a plurality of bayonets 104 are arranged at the end portion of the grip 103, a plurality of blocks 501 are arranged at the end portion of the extension arm 50, and the bayonets 104 are connected with the blocks 501 in a clamping manner. The extension arm 50 of different length of selection can be changed to the staff according to actual need, conveniently grips, and extension arm 50 for can dismantle the connection, can dismantle it when carrying, saves space, conveniently carries.

When holding the pipeline periscope, a worker needs to hold the telescopic rod at a vertical well mouth position, and the pipeline periscope is connected below the telescopic rod, as shown in fig. 3, the worker grasps the telescopic rod by using the device, wherein the telescopic rod is placed between the first clamping plate 212 and the second clamping plate 222, and the control handle 301 is pressed, so that the control handle 301 pulls the traction rope 302, thereby the first clamping plate 212 rotates, the first clamping plate 212 is tightly attached to the surface of the telescopic rod, the first clamping plate 212 rotates to touch the telescopic rod and applies pressure to the telescopic rod, so that the telescopic rod can be clamped by the common friction force of the first clamping part and the second clamping part, wherein, because the first clamping plate 212 and the second clamping plate 222 can both rotate, in the clamping process, the arm naturally droops, the telescopic rod, the first clamping plate 212 and the second clamping plate 222 all keep to be vertical to the horizontal plane, the first clamping plate 212 is higher than the second clamping plate 222, and the first clamping plate 212 applies force to the telescopic rod, so that the telescopic rod is clamped by the first clamping plate 212 and the second clamping plate 222, and the telescopic rod is ensured not to fall under the action of friction force.

In the process of gripping, staff's arm hangs down naturally and holds handle 103, therefore the arm form relaxs naturally, be difficult for the shake, because first clamping part and second clamping part are the rotation connection on the portion 10 of gripping, consequently the gesture of the telescopic link of snatching through first clamping part and second clamping part is controlled by first clamping part and second clamping part, consequently the telescopic link still can keep vertical state, even the shake appears in staff's hand, great change can not take place yet in the position of telescopic link, produce swing and shake by a wide margin. Therefore, when the hand-held electric hand-held tool is used, a worker can hold the hand-held electric hand-held. In addition, according to the stress test of model, as shown in fig. 4, for the stress cloud picture of grabbing 50KG equipment in this device, it can be seen from this that the load of this device is enough, and the structure is light reasonable, is fit for staff one-hand to grab and holds, and this device is grabbing under the working gesture and only outwards extend 220 millimeters and use the thing center of being grabbed to calculate the short and small essence of structure as the original point.

It is obvious that the above embodiments of the present invention are only examples for clearly illustrating the present invention, and are not limitations to the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.

Claims (10)

1. The utility model provides a grasping tool, its characterized in that includes portion of gripping (10), first clamping part, second clamping part and drive mechanism, portion of gripping (10) on be equipped with handle (103), portion of gripping (10) on be equipped with opening (100), first clamping part and second clamping part set up in opening (100) relatively just first clamping part and second clamping part articulated with portion of gripping (10) respectively, drive mechanism be connected with first clamping part and drive first clamping part and rotate.

2. A gripping tool according to claim 1, wherein the pulling means comprises a control handle (301) and a pulling cord (302), the control handle (301) being hinged to the grip portion (10), the pulling cord (302) being connected at one end to the grip handle and at the other end to the first opening plate.

3. The grasping tool according to claim 2, further comprising a guiding mechanism, wherein the guiding mechanism comprises a first guiding rotating shaft (401) and a second guiding rotating shaft (403), the first guiding rotating shaft (401) is disposed on the upper portion of the holding portion (10), the second guiding rotating shaft (403) is disposed on the lower portion of the holding portion (10), a communication opening (402) is disposed on the holding portion (10), and the middle section of the pulling rope (302) is respectively wound around the first guiding shaft, the second guiding shaft and passes through the communication opening (402).

4. A gripping tool as claimed in claim 1, wherein said first gripping portion comprises a first mounting seat (211) and a first gripping plate (212), said first gripping plate (212) being connected to said first mounting seat (211), said second gripping portion comprises a second mounting seat (221) and a second gripping plate (222), said second gripping plate (222) being connected to said second mounting seat (221).

5. A gripping tool according to claim 4, wherein the opening (100) is provided with a third mounting seat (101) and a fourth mounting seat (102), the first mounting seat (211) and the third mounting seat (101) are connected by a first pivot (213), the second mounting seat (221) and the fourth mounting seat (102) are connected by a second pivot (223), the third mounting seat (101) is provided with a third pivot hole, the fourth mounting seat (102) is provided with a fourth pivot hole, the first mounting seat (211) comprises two first pivot arms oppositely arranged, the first pivot arm is provided with a first pivot hole, the second mounting seat (221) comprises two second pivot arms oppositely arranged, the second pivot arm is provided with a second pivot hole, the third mounting seat (101) is arranged between the two first pivot arms and the first pivot (213) passes through the first pivot hole and the third pivot hole, the fourth mounting seat (102) is arranged between the two second rotating seat arms, and the second rotating shaft (223) penetrates through the second shaft hole and the fourth shaft hole.

6. A gripping tool according to claim 5, characterized in that the side wall of the opening (100) is provided with a first opening and a second opening, the end of the first shaft (213) passing through the first opening and the end of the second shaft (223) passing through the second opening.

7. A gripping tool according to claim 6, wherein the first end of the first shaft (213) extending through the first opening is provided with a first stop (214), and the second end of the second shaft (223) extending through the second opening is provided with a second stop (224).

8. The grasping tool according to claim 5, further comprising a return mechanism, wherein the return mechanism is a torsion spring sleeved on the first rotating shaft (213), one end of the torsion spring is connected to the first rotating base arm, and the other end of the torsion spring is connected to the third mounting base (101).

9. The gripping tool of claim 4, wherein the first clamping plate (212) and the second clamping plate (222) are arcuate plates having a rubber relief surface.

10. The grasping tool according to claim 1, further comprising an extension arm (50), wherein the end of the handle (103) is provided with a plurality of notches (104), the end of the extension arm (50) is provided with a plurality of clamping blocks (501), and the notches (104) are connected with the clamping blocks (501) in a clamping manner.

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