CN114393602B - Grabbing tool - Google Patents
Grabbing tool Download PDFInfo
- Publication number
- CN114393602B CN114393602B CN202210137254.2A CN202210137254A CN114393602B CN 114393602 B CN114393602 B CN 114393602B CN 202210137254 A CN202210137254 A CN 202210137254A CN 114393602 B CN114393602 B CN 114393602B
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- China
- Prior art keywords
- gripping
- clamping
- jaw
- clamping jaw
- rotating shaft
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- 229910000831 Steel Inorganic materials 0.000 claims description 7
- 239000010959 steel Substances 0.000 claims description 7
- 238000012546 transfer Methods 0.000 abstract description 14
- 238000000034 method Methods 0.000 abstract description 4
- 238000012423 maintenance Methods 0.000 abstract description 3
- 230000008569 process Effects 0.000 abstract description 3
- 238000005286 illumination Methods 0.000 description 5
- 230000000149 penetrating effect Effects 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000005452 bending Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005489 elastic deformation Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25J—MANIPULATORS; CHAMBERS PROVIDED WITH MANIPULATION DEVICES
- B25J15/00—Gripping heads and other end effectors
- B25J15/08—Gripping heads and other end effectors having finger members
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25J—MANIPULATORS; CHAMBERS PROVIDED WITH MANIPULATION DEVICES
- B25J15/00—Gripping heads and other end effectors
- B25J15/02—Gripping heads and other end effectors servo-actuated
- B25J15/0206—Gripping heads and other end effectors servo-actuated comprising articulated grippers
Landscapes
- Engineering & Computer Science (AREA)
- Robotics (AREA)
- Mechanical Engineering (AREA)
- Clamps And Clips (AREA)
- Load-Engaging Elements For Cranes (AREA)
Abstract
The invention relates to the technical field of nuclear plant maintenance, and particularly discloses a grabbing tool, wherein a supporting frame is arranged in a shell; the clamping assembly comprises a first clamping jaw and a second clamping jaw, the first clamping jaw is hinged with the second clamping jaw, and the clamping end of the first clamping jaw and the clamping end of the second clamping jaw are provided with clamping positions close to each other and separating positions far away from each other. The first clamping jaw is fixedly connected with the rotating shaft, and the rotating shaft is rotationally arranged on the supporting frame. The rotation adjusting assembly is used for adjusting the rotation of the rotating shaft. When the clamping ends of the first clamping jaw and the second clamping jaw are close to or far away from each other, the first clamping jaw is fixed relative to the shell, and then the whole clamping assembly can be controlled to rotate through rotation of the rotating shaft so as to finish adjustment of the direction of the foreign matters, and in the rotating process of the rotating shaft, the shell and the supporting frame do not rotate, so that movement of the grabbing tool in a gap of the heat transfer tube is not affected, and the foreign matters can be grabbed out smoothly from the gap of the heat transfer tube.
Description
Technical Field
The invention relates to the technical field of maintenance of nuclear factories, in particular to a grabbing tool.
Background
The steam generator of nuclear power plant is the heat transfer equipment that produces the required steam of steam turbine, and heat transfer pipe is used in steam generator's heat transfer, receives operational environment's influence, often has the foreign matter to drop to the gap between the heat transfer pipe in, and the foreign matter can produce the vibration under rivers effect, and the heat transfer pipe causes wearing and tearing, and then threatens the circuit pressure boundary of nuclear power unit.
Therefore, the clamping tool is required to be used for taking out the foreign matters, some foreign matters are special in shape and can be taken out from the gaps of the heat transfer tubes only by rotating at a certain angle after the foreign matters are clamped, but the distance between the heat transfer tubes is usually very small, only a few millimeters, and the common tool cannot rotate in the narrow gaps due to the structural problem, so that the foreign matters are difficult to take out.
Disclosure of Invention
The invention aims to provide a grabbing tool for solving the problem that foreign matters cannot be taken out.
In order to achieve the above purpose, the invention adopts the following technical scheme:
the present invention provides a gripping tool comprising:
a housing;
the support frame is arranged in the shell;
the clamping assembly comprises a first clamping jaw and a second clamping jaw, the first clamping jaw is hinged with the second clamping jaw, and the clamping end of the first clamping jaw and the clamping end of the second clamping jaw are provided with a clamping position close to each other and a separating position far away from each other;
the rotating shaft is fixedly connected with the first clamping jaw and the rotating shaft, and the rotating shaft is rotatably arranged on the supporting frame;
and the rotation adjusting assembly is used for adjusting the rotation of the rotating shaft.
As a preferable scheme of the grabbing tool, the rotation adjusting assembly comprises a sliding block, wherein the sliding block is arranged on the supporting frame in a sliding manner along the axial direction of the rotating shaft, and a lug is arranged on the sliding block; the rotary shaft is provided with a chute, the chute is wound on the circumference of the rotary shaft along the direction away from the first clamping jaw, and the protruding block is slidably arranged in the chute.
As a preferred scheme of the gripping tool, the rotation adjusting assembly further comprises a first rope and a second rope, the supporting frame is provided with a first channel and a second channel, the first rope is connected to the first end of the sliding block through the first channel, the second rope is connected to the second end of the sliding block through the second channel, and the first end and the second end are oppositely arranged.
As a preferred embodiment of the gripping tool, the gripping tool further comprises a locking assembly for securing the first and second cords relative to the housing.
As a preferable scheme of the grabbing tool, the supporting frame is provided with a rotating groove, and both ends of the supporting frame, which are positioned in the rotating groove, are provided with limiting parts; two annular limiting grooves are formed in two ends of the rotating shaft; the rotating shaft penetrates through the rotating groove, and the two limiting parts are respectively located in the two annular limiting grooves.
As a preferred embodiment of the gripping tool, the gripping assembly further comprises an elastic member provided between the first jaw and the second jaw for stopping the gripping ends of the first jaw and the second jaw in the separated position.
As a preferred scheme of gripping tool, the clamping assembly still includes the clamping rope, clamping rope one end is fixed in the operating end of second clamping jaw, the inside of first clamping jaw is equipped with first through-hole, the opening of the one end of first through-hole is towards the operating end, the inside of rotation axis is equipped with the second through-hole, the clamping rope passes first through-hole with the second through-hole, pulling clamping rope can drive the clamping end of second clamping jaw is close to the clamping end of first clamping jaw.
As a preferred embodiment of the gripping tool, the gripping end of the first jaw is provided with a bevel which is inclined to the second jaw in a direction approaching the second jaw.
As a preferable scheme of the grabbing tool, the clamping end of the first clamping jaw is provided with a first clamping groove, the clamping end of the second clamping jaw is provided with a second clamping groove, and when the clamping end of the first clamping jaw and the clamping end of the second clamping jaw are located at the clamping position, the first clamping groove and the second clamping groove are enclosed to form a clamping position.
As a preferred embodiment of the gripping tool, the housing comprises a first housing and a second housing, both of which are pressed from steel strip.
The beneficial effects of the invention are as follows:
the invention provides a grabbing tool, which comprises a shell, a supporting frame, a clamping assembly, a rotating shaft and a rotation adjusting assembly. Wherein the support frame is arranged in the shell; the clamping assembly comprises a first clamping jaw and a second clamping jaw, the first clamping jaw is fixedly connected with a rotating shaft, the rotating shaft is rotationally arranged on the supporting frame, the first clamping jaw is hinged with the second clamping jaw, and the first clamping jaw and the second clamping jaw are provided with a clamping position close to each other and a separating position far away from each other. The rotation adjusting assembly is used for adjusting the rotation of the rotating shaft. When the clamping ends of the first clamping jaw and the second clamping jaw are close to or far away from each other, the first clamping jaw is fixed relative to the shell, and then the whole clamping assembly can be controlled to rotate through rotation of the rotating shaft so as to finish adjustment of the direction of the foreign matters, and in the rotating process of the rotating shaft, the shell and the supporting frame do not rotate, so that movement of the grabbing tool in a gap of the heat transfer tube is not affected, and the foreign matters can be grabbed out smoothly from the gap of the heat transfer tube.
Drawings
FIG. 1 is a schematic view of a gripping tool according to an embodiment of the present invention;
FIG. 2 is a schematic view showing an internal structure of a gripping tool according to an embodiment of the present invention;
FIG. 3 is a schematic view of a supporting frame according to an embodiment of the present invention;
FIG. 4 is a partial cross-sectional view of a clamping assembly in accordance with an embodiment of the present invention;
FIG. 5 is a schematic structural view of a first housing according to an embodiment of the present invention;
FIG. 6 is a schematic diagram of a side view of the first and second housings in an embodiment of the invention;
FIG. 7 is a schematic view of a connecting piece according to an embodiment of the present invention;
FIG. 8 is a schematic left-hand view of a connecting piece according to an embodiment of the present invention;
fig. 9 is a schematic structural diagram of the connecting sheet after two bending in the embodiment of the invention.
In the figure:
1. a housing; 11. a first housing; 12. a second housing; 13. a connecting sheet; 131. a long sheet; 132. a plug-in piece;
2. a support frame; 21. a first channel; 22. a second channel; 23. a rotating groove; 24. a limit part; 25. a sliding groove;
3. a clamping assembly; 31. a first jaw; 32. a second jaw; 33. a torsion spring; 34. clamping the rope;
4. a rotation shaft; 41. a chute;
5. a rotation adjustment assembly; 51. a sliding block; 511. a bump; 52. a first rope; 53. a second rope;
6. a camera assembly; 7. a lighting assembly;
8. a locking assembly; 81. a locking frame; 811. the first locking screw hole; 812. the second locking screw hole; 813. and a third locking screw hole.
Detailed Description
The following description of the embodiments of the present invention will be made apparent and fully in view of the accompanying drawings, in which some, but not all embodiments of the invention are shown. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
In the description of the present invention, it should be noted that the directions or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present invention and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. Wherein the terms "first location" and "second location" are two distinct locations and wherein the first feature is "above," "over" and "over" the second feature includes the first feature being directly above and obliquely above the second feature, or simply indicates that the first feature is level above the second feature. The first feature being "under", "below" and "beneath" the second feature includes the first feature being directly under and obliquely below the second feature, or simply means that the first feature is less level than the second feature.
In the description of the present invention, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art.
Embodiments of the present invention are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative only and are not to be construed as limiting the invention.
Example 1
As shown in fig. 1 to 9, the present embodiment provides a gripping tool including a housing 1, a support frame 2, a gripping assembly 3, a rotation shaft 4, and a rotation adjustment assembly 5. Wherein the support frame 2 is arranged in the shell 1; the clamping assembly 3 comprises a first clamping jaw 31 and a second clamping jaw 32, the first clamping jaw 31 and the second clamping jaw 32 are hinged, and the clamping end of the first clamping jaw 31 and the clamping end of the second clamping jaw 32 have clamping positions close to each other and separating positions far away from each other. The first clamping jaw 31 is fixedly connected with the rotating shaft 4, and the rotating shaft 4 is rotatably arranged on the supporting frame 2. The rotation adjusting component 5 is used for adjusting the rotation of the rotating shaft 4, and then drives the whole clamping component 3 to rotate.
In this embodiment, when the clamping ends of the first clamping jaw 31 and the second clamping jaw 32 are close to or far away from each other, the first clamping jaw 31 is fixed relative to the housing 1, and then the whole clamping assembly 3 can be controlled to rotate through the rotation of the rotation shaft 4, so as to complete the adjustment of the direction of the foreign matter, and in the rotation process of the rotation shaft 4, the housing 1 and the support frame 2 do not rotate, so that the movement of the grabbing tool in the gap of the heat transfer tube is not affected, and the foreign matter can be grabbed out smoothly from the gap of the heat transfer tube.
Because the width of the gap between the heat transfer tubes is small, which is only a few millimeters, in this embodiment, the thickness of the housing 1 is 3mm, the space in the housing 1 is narrower, and in order to adapt to the thinner structure of the housing 1, in this embodiment, optionally, the rotation adjusting assembly 5 includes a sliding block 51, the sliding block 51 is slidably disposed on the support frame 2 along the axial direction of the rotation shaft 4, and the sliding block 51 is provided with a bump 511; the rotating shaft 4 is provided with a sliding groove 41, the sliding groove 41 is wound around the circumference of the rotating shaft 4 along the direction away from the first clamping jaw 31, the sliding groove 41 is S-shaped, and the protruding block 511 is slidably arranged in the sliding groove 41. When the sliding block 51 slides, the protrusion 511 is engaged with the side wall of the sliding groove 41 to drive the rotation shaft 4 to rotate. The sliding block 51 is also a block-shaped steel plate, and has simple structure and low production cost.
Alternatively, the support frame 2 is provided with a slide groove 25, and the slide block 51 slides in the slide groove 25. This arrangement can reduce the overall thickness of the support frame 2 and the slider 51. Further, the sliding groove 25 may penetrate the supporting frame 2, a bar hole communicating with the sliding groove 25 is provided at the bottom of the supporting frame 2, and the protrusion 511 is engaged with the sliding groove 41 after passing through the bar hole, which further reduces the overall thickness of the gripping tool. Further, a stud is disposed at one end of the bump 511, a screw hole is disposed at the bottom of the slider 51, and the bump 511 and the slider 51 are screwed with the screw hole through the stud. This arrangement facilitates the mounting of the slider 51 within the slide groove 25 of the support frame 2 such that the slider 51 can slide within the slide groove 25 without being separated from the support frame 2.
In order to reduce the cost, regarding the structure of the rotation adjusting assembly 5, the rotation adjusting assembly 5 further includes a first rope 52 and a second rope 53, the support frame 2 is provided with a first channel 21 and a second channel 22, the first rope 52 is connected to a first end of the sliding block 51 through the first channel 21, the second rope 53 is connected to a second end of the sliding block 51 through the second channel 22, and the first end and the second end are disposed opposite to each other. The arrangement described above enables the placement of the first cord 52 and the second cord 53 to be accomplished in the same plane, reducing the thickness of the rotary adjustment assembly 5 to accommodate smaller width slits. Pulling the first rope 52 can enable the sliding block 51 to move leftwards, so that the rotating shaft 4 is driven to rotate forwards, pulling the second rope 53 can enable the sliding block 51 to move rightwards, so that the rotating shaft 4 is driven to rotate reversely, wherein the first channel 21 passes over the sliding block 51 and winds to one end, close to the clamping assembly 3, of the sliding block 51; the second channel 22 is located at an end of the slider 51 remote from the clamping assembly 3.
In the embodiment, the rotation operation of the rotation shaft 4 can be realized by the traction action of the two ropes, the structure is ingenious, and the cost is low. Most importantly, both the first rope 52 and the second rope 53 can be bent, and when the housing 1 is bent, the slider 51 can be driven by the first rope 52 and the second rope 53.
Further, the rotation adjusting assembly 5 further comprises a first spring and a second spring, the first spring and the second spring are both arranged in the sliding groove 25, the first spring is located at one end of the sliding block 51 close to the clamping assembly 3, the second spring is located at one end of the sliding block 51 far away from the clamping assembly 3, the sliding block 51 is located at the middle position under the condition that the sliding block 51 is not pulled by the first rope 52 and the second rope 53, the rotation shaft 4 is located at the initial position, and in this state, the first clamping jaw 31 is located under the second clamping jaw 32, so that foreign matters can be conveniently clamped.
Further, the first cord 52 passes through the first spring and the second cord 53 passes through the second spring. The arrangement is such that the positions of the first spring and the second spring do not deviate. Optionally, a handle is attached to both the free end of the first cord 52 and the free end of the second cord 53 to facilitate manual pulling. Wherein, the first rope 52 and the second rope 53 are steel wires, and the diameter is 1mm.
Optionally, the supporting frame 2 is provided with a rotating groove 23, and both ends of the supporting frame 2, which are positioned at the rotating groove 23, are provided with limiting parts 24; two annular limiting grooves are formed in two ends of the rotating shaft 4; the rotating shaft 4 is arranged in the rotating groove 23 in a penetrating way, and the two limiting parts 24 are respectively arranged in the two annular limiting grooves. This setting can realize the spacing to rotation axis 4, avoids rotation axis 4 to follow self axis drunkenness. The limiting part 24 is provided with two limiting blocks which are oppositely arranged, and the limiting blocks are positioned in the annular limiting groove.
In order to improve the operation efficiency, in this embodiment, optionally, the clamping assembly 3 further includes an elastic member disposed between the first clamping jaw 31 and the second clamping jaw 32 for stopping the clamping end of the first clamping jaw 31 and the clamping end of the second clamping jaw 32 at the separated position. This setting can improve the efficiency of getting to the clamp of foreign matter. The elastic member may be a torsion spring 33, where the torsion spring 33 is rotatably disposed on the first clamping jaw 31, and two ends of the torsion spring are respectively abutted against the operation end of the first clamping jaw 31 and the operation end of the second clamping jaw 32.
Optionally, the clamping assembly 3 further includes a clamping rope 34, one end of the clamping rope 34 is fixed at the operation end of the second clamping jaw 32, a first through hole is formed in the first clamping jaw 31, an opening of one end of the first through hole faces the operation end from top to bottom, a second through hole is formed in the rotating shaft 4, the clamping rope 34 penetrates through the first through hole and the second through hole, and the clamping rope 34 is pulled to drive the clamping end of the second clamping jaw 32 to be close to the clamping end of the first clamping jaw 31. The above arrangement enables the cooperation of the clamping rope 34 and the elastic member to switch the clamping ends of the first clamping jaw 31 and the second clamping jaw 32 between the clamping position and the separating position, and is low in manufacturing and maintenance costs. Optionally, a handle is attached to the free end of the gripping rope 34 to facilitate manual pulling. The clamp rope 34 is a steel wire with a diameter of 1mm.
In this embodiment, preferably, the clamping end of the first clamping jaw 31 is provided with a bevel, which is inclined to the second clamping jaw 32 in a direction approaching the second clamping jaw 32. This arrangement allows the gripping assembly 3 to lift up foreign objects on the ground and move the foreign objects between the first jaw 31 and the second jaw 32 as it advances.
Preferably, the clamping end of the first clamping jaw 31 is provided with a first clamping groove, the clamping end of the second clamping jaw 32 is provided with a second clamping groove, and when the clamping ends of the first clamping jaw 31 and the second clamping jaw 32 are located at the clamping position, the first clamping groove and the second clamping groove are surrounded to form a clamping position. The setting in first centre gripping groove and second centre gripping groove is convenient for the centre gripping foreign matter on the one hand, improves the stability of centre gripping, and the other party can also reduce the maximum width between first clamping jaw 31 and the second clamping jaw 32 behind the centre gripping foreign matter, can also remove in narrow and small space after the rotation of being convenient for.
In this embodiment, optionally, the housing 1 includes a first shell 11 and a second shell 12, where the first shell 11 and the second shell 12 are formed by pressing steel strips, and the first shell 11 and the second shell 12 are buckled to form a mounting cavity, and the support frame 2 is disposed in the mounting cavity. The steel strip is of such a material that the housing 1 is bendable to some extent. Regarding the connection of the first housing 11 and the second housing 12, in this embodiment, it may be screwed, clamped, or welded. In this embodiment, the connection is made by a connection piece 13 in view of production cost and later use requirements. Specifically, the two sides of the first shell 11 and the second shell 12 are respectively provided with a connecting hole, and the connecting sheet 13 passes through the connecting holes on the upper side of the first shell 11 and the upper side of the second shell 12 and then bends twice, so that the upper side of the first shell 11 and the upper side of the second shell 12 can be connected. The connecting piece 13 passes through the connecting hole on the lower side of the first shell 11 and the connecting hole on the lower side of the second shell 12 and then bends to connect the lower side of the first shell 11 and the lower side of the second shell 12.
Alternatively, a plurality of connection holes are provided at intervals on the upper side of the first housing 11, and a plurality of connection holes are provided at intervals on the upper side of the second housing 12; the connecting piece 13 comprises a long piece 131 and a plurality of inserting pieces 132 connected to one side of the long piece 131, the plurality of inserting pieces 132 are respectively inserted into the connecting holes on the upper sides of the plurality of first shells 11 and then bent, the long piece 131 is bent, and the long piece 131 is pressed on the outer sides of all inserting pieces 132. The connection holes on the lower side of the first housing 11 are provided in plural at intervals, the connection pieces 13 connect the lower side of the first housing 11 and the lower sides of the second housing 12 by the above method. The arrangement improves the assembly efficiency on one hand; in the second aspect, the hooking of the insertion piece 132 to the external article can be avoided.
The gripping tool further comprises an illumination assembly 7 and a camera shooting assembly 6, wherein the illumination assembly 7 and the camera shooting assembly 6 are arranged at one end, close to the clamping assembly 3, of the supporting frame 2, the illumination assembly 7 is used for illumination of a working environment, and the camera shooting assembly 6 is used for shooting pictures of the working environment. Wherein the cables regarding the illumination assembly 7 and the image pickup assembly 6 are passed out through the cable passage of the support frame 2 and are arranged to the other end of the housing 1 through the inside of the housing 1 so as to be connected with the power supply apparatus. A spring sleeve is paved in the cable channel, and the cable penetrates through the spring sleeve. Optionally, there are a plurality of spring pockets, which are connected in series throughout the support frame 2. In this embodiment, optionally, the support frame 2 includes a first bracket and a second bracket that are connected to each other, and the second bracket made of rubber is provided with a cable groove, and the spring is sleeved in the cable groove. And the second support is provided with a first mounting groove and a second mounting groove, and the lighting component 7 and the camera component 6 are respectively clamped in the first mounting groove and the second mounting groove.
The gripping tool further comprises a locking assembly 8, the locking assembly 8 being adapted to fix the first cord 52, the second cord 53 and the gripping cord 34 relative to the housing 1. Specifically, the locking assembly 8 includes a locking frame 81, a first locking bolt, a second locking bolt, and a third locking bolt, the locking frame 81 is fixed to the housing 1, the locking frame 81 is provided with a first locking channel, a second locking channel, and a third locking channel, the locking frame 81 is further provided with a first locking screw hole 811 penetrating the first locking channel, a second locking screw hole 812 penetrating the second locking channel, and a third locking screw hole 813 penetrating the third locking channel; the first rope 52 is threaded out of the first locking channel, the second rope 53 is threaded out of the second locking channel, and the clamping rope 34 is threaded out of the third locking channel; the first locking bolt is in threaded fit with the first locking screw hole 811 and can compress the first rope 52 to the side wall of the first locking channel; the second locking bolt is in threaded fit with the second locking screw hole 812 and can compress the second rope 53 to the side wall of the second locking channel; the third locking bolt is threadedly engaged with the third locking screw hole 813 and can press the clamp rope 34 to the side wall of the third locking passage. This arrangement enables the gripping assembly 3 to be held at a rotated angle, thereby facilitating removal of foreign matter.
Example two
The gripping tool of this embodiment, the gripping tool structure in the first embodiment is basically the same, and is different in that, in this embodiment, the length of the housing 1 is 3m-10m, preferably 6m, the thickness is 3mm, the height is 20mm, and the whole is in a ribbon structure, can take place certain degree elastic deformation, the support frame 2 and the locking component 8 are located the both ends of the housing 1 respectively, the gripping tool still includes first traction rope, one end of the first traction rope is fixed in the one end of the housing 1 near the clamping component 3, and is located one side of the housing 1, through pulling the first traction rope, can make the housing 1 take place the bending of certain radian to the left, and then make the clamping component 3 can press from both sides the foreign matter in a larger range. Specifically, the end of the housing 1 near the clamping assembly 3 is provided with a fixing ring in which the first pulling rope is tied. Optionally, the gripping tool further comprises a second pulling rope, one end of which is fixed to the end of the housing 1 near the clamping assembly 3 and is located at the other side of the housing 1, so as to bend the housing 1 rightward. This arrangement further expands the range over which the clamping assembly 3 clamps foreign matter.
It is to be understood that the above examples of the present invention are provided for clarity of illustration only and are not limiting of the embodiments of the present invention. Other variations or modifications of the above teachings will be apparent to those of ordinary skill in the art. It is not necessary here nor is it exhaustive of all embodiments. Any modification, equivalent replacement, improvement, etc. which come within the spirit and principles of the invention are desired to be protected by the following claims.
Claims (8)
1. A grasping tool, comprising:
a housing (1);
the support frame (2) is arranged in the shell (1);
the clamping assembly (3), the clamping assembly (3) comprises a first clamping jaw (31) and a second clamping jaw (32), the first clamping jaw (31) and the second clamping jaw (32) are hinged, and the clamping end of the first clamping jaw (31) and the clamping end of the second clamping jaw (32) have a clamping position close to each other and a separating position far away from each other;
the rotating shaft (4), the first clamping jaw (31) is fixedly connected with the rotating shaft (4), and the rotating shaft (4) is rotatably arranged on the supporting frame (2);
a rotation adjustment assembly (5), the rotation adjustment assembly (5) being for adjusting a rotation of the rotation shaft (4);
the rotation adjusting assembly (5) comprises a sliding block (51), the sliding block (51) is arranged on the support frame (2) in a sliding manner along the axial direction of the rotating shaft (4), and a lug (511) is arranged on the sliding block (51); a chute (41) is arranged on the rotating shaft (4), the chute (41) is wound on the circumference of the rotating shaft (4) along the direction away from the first clamping jaw (31), and the protruding block (511) is arranged in the chute (41) in a sliding manner;
the rotary adjusting assembly (5) further comprises a first rope (52) and a second rope (53), the support frame (2) is provided with a first channel (21) and a second channel (22), the first rope (52) is connected to the first end of the sliding block (51) through the first channel (21), the second rope (53) is connected to the second end of the sliding block (51) through the second channel (22), and the first end and the second end are oppositely arranged.
2. The gripping tool according to claim 1, characterized in that the gripping tool further comprises a locking assembly (8), the locking assembly (8) being adapted to fix the first cord (52) and the second cord (53) relative to the housing (1).
3. The gripping tool according to claim 1, characterized in that the support frame (2) is provided with a rotating groove (23), and both ends of the support frame (2) located in the rotating groove (23) are provided with limiting parts (24); two annular limiting grooves are formed in two ends of the rotating shaft (4); the rotating shaft (4) penetrates through the rotating groove (23), and the two limiting parts (24) are respectively located in the two annular limiting grooves.
4. Gripping tool according to claim 1, characterized in that the gripping assembly (3) further comprises an elastic member arranged between the first jaw (31) and the second jaw (32) for stopping the gripping end of the first jaw (31) and the gripping end of the second jaw (32) in the separated position.
5. The gripping tool according to claim 4, characterized in that the gripping assembly (3) further comprises a gripping rope (34), one end of the gripping rope (34) is fixed at the operation end of the second gripping jaw (32), a first through hole is formed in the first gripping jaw (31), one end of the first through hole is opened towards the operation end, a second through hole is formed in the rotating shaft (4), the gripping rope (34) penetrates through the first through hole and the second through hole, and the gripping rope (34) is pulled to drive the gripping end of the second gripping jaw (32) to be close to the gripping end of the first gripping jaw (31).
6. Gripping tool according to claim 1, characterized in that the gripping end of the first jaw (31) is provided with a bevel, which bevel is inclined to the second jaw (32) in a direction approaching the second jaw (32).
7. The gripping tool according to claim 1, characterized in that the gripping end of the first gripping jaw (31) is provided with a first gripping groove, the gripping end of the second gripping jaw (32) is provided with a second gripping groove, and the first gripping groove and the second gripping groove enclose a gripping position when the gripping ends of the first gripping jaw (31) and the second gripping jaw (32) are located in the gripping position.
8. The gripping tool according to any of claims 1-7, characterized in that the housing (1) comprises a first shell (11) and a second shell (12), the first shell (11) and the second shell (12) being each pressed from steel strip.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210137254.2A CN114393602B (en) | 2022-02-15 | 2022-02-15 | Grabbing tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210137254.2A CN114393602B (en) | 2022-02-15 | 2022-02-15 | Grabbing tool |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114393602A CN114393602A (en) | 2022-04-26 |
| CN114393602B true CN114393602B (en) | 2023-11-24 |
Family
ID=81235009
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| Application Number | Title | Priority Date | Filing Date |
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| CN202210137254.2A Active CN114393602B (en) | 2022-02-15 | 2022-02-15 | Grabbing tool |
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| CN115739872A (en) * | 2022-10-27 | 2023-03-07 | 中核武汉核电运行技术股份有限公司 | Grinding device for shearing hard filiform foreign matters between heat transfer tubes of steam generator |
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| US4629234A (en) * | 1985-08-27 | 1986-12-16 | Sokolowski Adam M | Pick-up tool for grasping night crawlers |
| US5499800A (en) * | 1994-08-12 | 1996-03-19 | Albin; Stephen D. | Adjustable toggle action quick release locking bar clamp |
| US5941587A (en) * | 1998-06-10 | 1999-08-24 | Wolff; Ronald | Grasping tool |
| CN106622814A (en) * | 2016-11-28 | 2017-05-10 | 宁波李氏实业有限公司 | Clamp traction device in stretchable extension rod |
| CN107097052A (en) * | 2017-07-04 | 2017-08-29 | 桐乡市大周商贸有限公司 | A kind of short axle swivel feeding device |
| CN208490302U (en) * | 2018-07-24 | 2019-02-15 | 宋夕杰 | Pruning high-altitude branches clamping device |
| WO2020024729A1 (en) * | 2018-08-01 | 2020-02-06 | 北京因时机器人科技有限公司 | Mechanical finger and mechanical hand |
| JP2020196114A (en) * | 2019-06-02 | 2020-12-10 | 舒泳軍 | Laser=based gripping facility |
-
2022
- 2022-02-15 CN CN202210137254.2A patent/CN114393602B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4629234A (en) * | 1985-08-27 | 1986-12-16 | Sokolowski Adam M | Pick-up tool for grasping night crawlers |
| US5499800A (en) * | 1994-08-12 | 1996-03-19 | Albin; Stephen D. | Adjustable toggle action quick release locking bar clamp |
| US5941587A (en) * | 1998-06-10 | 1999-08-24 | Wolff; Ronald | Grasping tool |
| CN106622814A (en) * | 2016-11-28 | 2017-05-10 | 宁波李氏实业有限公司 | Clamp traction device in stretchable extension rod |
| CN107097052A (en) * | 2017-07-04 | 2017-08-29 | 桐乡市大周商贸有限公司 | A kind of short axle swivel feeding device |
| CN208490302U (en) * | 2018-07-24 | 2019-02-15 | 宋夕杰 | Pruning high-altitude branches clamping device |
| WO2020024729A1 (en) * | 2018-08-01 | 2020-02-06 | 北京因时机器人科技有限公司 | Mechanical finger and mechanical hand |
| JP2020196114A (en) * | 2019-06-02 | 2020-12-10 | 舒泳軍 | Laser=based gripping facility |
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| CN114393602A (en) | 2022-04-26 |
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