CN209375019U - A kind of gripper - Google Patents
A kind of gripper Download PDFInfo
- Publication number
- CN209375019U CN209375019U CN201920198601.6U CN201920198601U CN209375019U CN 209375019 U CN209375019 U CN 209375019U CN 201920198601 U CN201920198601 U CN 201920198601U CN 209375019 U CN209375019 U CN 209375019U
- Authority
- CN
- China
- Prior art keywords
- substrate
- screw rod
- upper jaw
- threading hole
- rocking bar
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Abstract
The utility model relates to a kind of grippers, it is related to line construction and repair apparatus field, including substrate, substrate two sides are provided with the threading hole of connection, middle part in the substrate is provided with upper jaw and lower jaw, lower jaw is fixed with substrate, sliding slot is equipped in substrate, upper jaw is slidably connected with sliding slot, screw rod is screwed on upper jaw, screw rod is arranged in parallel with sliding slot, screw rod and the substrate end-face are rotatablely connected, it is additionally provided with and the rotating device of the screw rod rotation is driven to connect with the substrate, pull ring is equipped in the threading hole side, wire rod is inserted into along threading hole, then it is pierced by from the other end, the hook pawl of pull ring and cord holder on substrate connects, screw rod rotation is driven by rotating device, then screw rod rotation promotes and the upper jaw being screwed on is caught to move down along the chute to move closer to lower jaw, i.e. upper jaw is abutted with wire rod downwards It is fixed, is in advance fastened and fixed wire rod, wire rod is avoided to loosen.
Description
Technical field
The utility model relates to line construction and repair apparatus fields, more particularly, to a kind of gripper.
Background technique
Gripper is commonly to hold the Line tool in electric power, telecommunications, railway electrification overhead line construction and maintenance at present, is blocked
For line device since applying working condition is different, held conducting wire description is different, is divided into: aluminium alloy conductor gripper；Insulated conductor card
Line device；Steel stranded wire clamping device (is suitable for steel strand wires)；Ground wire clip；Single peach gripper；Double peach grippers；Breast-stroke gripper；
Anti-twist composite steel rope gripper.
A kind of gripper as disclosed in the Chinese patent of notification number CN205610093U, including mainboard, fixing chuck plate and work
Dynamic snap-gauge, the fixing chuck plate are fixedly connected on mainboard, and the fixing chuck plate is equipped with the first clamping face, the activity snap-gauge
It is equipped with the second clamping face, first clamping face and the second clamping face are oppositely arranged；First clamping face is arc-shaped, described
First clamping face is equipped with the first sawtooth, and the centre of height from the first clamping face of first sawtooth is gradually increased to two sides,
Second clamping face is equipped with the second sawtooth, inclined direction and the gripper tractive force of first sawtooth, the second sawtooth
Direction is identical；Hook is connected on the mainboard.
But above-mentioned technology have the following deficiencies: its first clamping face and the second clamping face tentatively clamping conducting wire when, by
It is insufficient in the pulling force of hook conduction, it is easy to slip conducting wire in this stage.
Utility model content
The purpose of the utility model is to provide a kind of gripper, clamping is firm, prevents the advantages of loosening.
The above-mentioned purpose of the utility model has the technical scheme that a kind of gripper, including substrate,
The substrate two sides are equipped with the threading hole of connection, and middle part is equipped with upper jaw and lower jaw in Yu Suoshu substrate, the lower jaw with
The substrate is fixed, and Yu Suoshu substrate is equipped with sliding slot, and the upper jaw is slidably connected with the sliding slot, revolves on the upper jaw
It is connected to screw rod, the screw rod is arranged in parallel with the sliding slot, and the screw rod and the substrate end-face are rotatablely connected, and is additionally provided with driving
The rotating device of the screw rod rotation is connect with the substrate, and Yu Suoshu threading hole side is equipped with pull ring.
Implement above-mentioned technical proposal, wire rod is inserted into along threading hole, is then pierced by from the other end, the pull ring on substrate and tight
The hook pawl of line device connects, and drives screw rod rotation by rotating device, and then screw rod rotation promotes and catch the upper jaw edge being screwed on
Sliding slot, which moves down, moves closer to lower jaw, i.e. upper jaw abuts with wire rod be fixed downwards, completes being fastened and fixed for wire rod,
Wire rod is avoided to loosen.
The utility model is further arranged to: the rotating device includes the ratchet that the screw tip is equipped with, the spine
Take turns circumference and be equipped with tooth socket, be rotatably connected to rocking bar in the first rotating shaft of the ratchet center, the rocking bar be equipped with pawl with it is described
Tooth socket abuts, and is additionally provided with the second shaft on the substrate, is rotatably connected to lock pawl in second shaft, the lock pawl with
The tooth socket abuts.
Implement above-mentioned technical proposal, along first rotating shaft rotating rocker, when rocking bar counter-clockwise swing, driving pawl is just inserted into
In the tooth socket of ratchet, ratchet is pushed to turn over an angle, at this point, lock pawl slides on the back of tooth of ratchet.When driving link rocking bar
When clockwise oscillation, lock pawl prevents ratchet from being rotated in the clockwise direction, and drives pawl that can slip in hook tooth back,
Therefore ratchet is stationary, when rocking bar makees continuous reciprocally swinging, ratchet just makees unidirectional intermittent movement, promotes shaft constantly single
To rotation.
The utility model is further arranged to: the lock pawl be equipped with rod-shaped release piece, the release piece with it is described
Second shaft is arranged in parallel, and Yu Suoshu release piece end is equipped with pull lever.
Implement above-mentioned technical proposal, when completing the installation of wire rod, wire rod is no longer tensioned, and along pull lever, promotes lock pawl
It is moved up along the second shaft, then lock pawl and ratchet are detached from, i.e., rotatably screw rod loosens upper jaw and lower jaw.
The utility model is further arranged to: it is rotatably connected to insurance baffle in the lock pawl side on the substrate,
The insurance baffle baffle is abutted with the lock pawl end face.
Implement above-mentioned technical proposal, when completing the fixation of wire rod, rotation insurance baffle is allowed to abut with lock pawl end face,
When then dismantling wire rod, rotation insurance baffle can pull lock pawl far from lock pawl end face.
The utility model is further arranged to: the rocking bar and the first rotating shaft grafting, the first rotating shaft top is set
There is the clamping block of rectangle, the rocking bar is equipped with the clamping groove matched.
Implement above-mentioned technical proposal, by rocking bar and first rotating shaft grafting, rocking bar can be removed after fixed wire rod, reduce dress
The weight set.
The utility model is further arranged to: the rocking bar end is plugged with extension rod.
Implement above-mentioned technical proposal, setting extension rod can increase the arm of force of rocking bar, be more convenient rotation screw rod.
The utility model is further arranged to: the threading hole is equipped with urgent retaining unit towards the periphery of the pull ring,
Including the outwardly extending socket tube in threading hole periphery, the socket tube is plugged with retaining pipe, and the retaining pipe is omited in one end
The bigger tubaeform setting in small one end, wherein described lesser one end of retaining pipe and the socket tube grafting, in the retaining pipe
Equipped with wrapping post.
Implement above-mentioned technical proposal, urgent retaining unit is set, wire rod and wrapping post are fastened, the state of emergency is worked as
Under, when upper jaw and lower jaw loosen, wire rod is pulled together with retaining pipe into inside socket tube, retaining pipe and socket tube grafting
It is fixed, prevent wire rod from further loosening.
The utility model is further arranged to: the socket tube inner wall is equipped with form friction pattern, the retaining inside pipe wall and periphery
Wall is also equipped with form friction pattern.
Implement above-mentioned technical proposal, setting form friction pattern increases the friction between retaining pipe and wire rod, between retaining pipe and socket tube
Power, it is more preferable to play retaining effect.
In conclusion the advantageous effects of the utility model are as follows:
1. the utility model discloses a kind of gripper, including substrate, the substrate two sides are equipped with the threading hole of connection, in
Middle part is equipped with upper jaw and lower jaw in the substrate, and the lower jaw is fixed with the substrate, and Yu Suoshu substrate, which is equipped with, to be slided
Slot, the upper jaw are slidably connected with the sliding slot, and screw rod is screwed on the upper jaw, and the screw rod is parallel with the sliding slot
Setting, the screw rod and the substrate end-face are rotatablely connected, and are additionally provided with the rotating device and the base for driving the screw rod rotation
Plate connection, Yu Suoshu threading hole side are equipped with pull ring, and wire rod is inserted into along threading hole, is then pierced by from the other end, on substrate
The connection of the hook pawl of pull ring and cord holder drives screw rod rotation by rotating device, and then screw rod rotation promotes and catch to be screwed on
Upper jaw moves down along the chute moves closer to lower jaw, i.e. upper jaw abuts with wire rod be fixed downwards, completes wire rod
It is fastened and fixed, it is fixed reliable, and can avoid wire rod and slip；
2. the threading hole is outside equipped with urgent retaining unit, including the threading hole periphery towards the periphery of the pull ring
The socket tube of extension, the socket tube are plugged with retaining pipe, and the retaining pipe is in the bigger tubaeform setting in the smaller one end in one end,
Wherein described lesser one end of retaining pipe and the socket tube grafting, the retaining pipe is interior to be equipped with wrapping post, by wire rod and coiling
Column is fastened, and under the state of emergency, when upper jaw and lower jaw loosen, wire rod is pulled together with retaining pipe into socket tube
Portion, retaining pipe are plugged and fixed with socket tube, prevent wire rod from further loosening.
Detailed description of the invention
Fig. 1 is the overall structure diagram of the utility model.
Fig. 2 is the schematic diagram of the section structure of the part A-A in Fig. 1.
Fig. 3 is the partial enlargement diagram of part B in Fig. 2.
In figure: 1, threading hole；2, upper jaw；3, substrate；4, screw rod；5, rotating device；6, pull ring；7, ratchet；8, tooth socket；
9, first rotating shaft；10, rocking bar；11, pawl；12, the second shaft；13, lock pawl；14, release piece；15, pull lever；16, insure
Baffle；17, clamping block；18, clamping groove；19, extension rod；20, urgent retaining unit；21, socket tube；22, retaining pipe；23, around
Terminal；24, sliding slot；25, lower jaw.
Specific embodiment
The utility model is described in further detail below in conjunction with attached drawing.
It referring to Figures 1 and 2, is a kind of gripper disclosed by the utility model, including substrate 3,3 two sides of substrate are provided with company
Logical threading hole 1 is provided with upper jaw 2 and lower jaw 25 in middle part in substrate 3, and lower jaw 25 and substrate 3 are fixed, in substrate 3
On be provided with sliding slot 24, upper jaw 2 is slidably connected with sliding slot 24, and screw rod 4 is screwed on upper jaw 2, and screw rod 4 is parallel with sliding slot 24
Setting, screw rod 4 and 3 end face of substrate are rotatablely connected, and are separately provided with the rotating device 5 that driving screw rod 4 rotates and are connect with substrate 3, in
1 side of threading hole is provided with pull ring 6, and wire rod is inserted into along threading hole 1, is then pierced by from the other end, the pull ring 6 on substrate 3 with
The hook pawl of cord holder connects, and drives 4 rotation of screw rod by rotating device 5, and the then rotation of screw rod 4 promotes and catch the upper pincers being screwed on
Mouthfuls 2 24 move down along the chute and move closer to lower jaw 25, i.e., upper jaw 2, which is abutted with wire rod downwards, is fixed, completion wire rod
Be fastened and fixed, avoid wire rod from loosening.
Referring to Fig. 2 and Fig. 3, rotating device 5 includes the ratchet 7 that 4 top of screw rod is provided with, and 7 circumference of ratchet is provided with tooth socket
8, rocking bar 10 is rotatably connected in the central first rotating shaft 9 of ratchet 7, and pawl 11 is provided on rocking bar 10 and is abutted with tooth socket 8, substrate 3
On be additionally provided with the second shaft 12, lock pawl 13 is rotatably connected in the second shaft 12, lock pawl 13 is abutted with tooth socket 8, stop
Rod-shaped release piece 14 is provided on pawl 13, release piece 14 is arranged in parallel with the second shaft 12, is provided in 14 end of release piece
Pull lever 15 is rotatably connected to insurance baffle 16, insurance 16 baffle of baffle and 13 end of lock pawl in 13 side of lock pawl on substrate 3
Face abuts, and when completing the fixation of wire rod, rotation insurance baffle 16 is allowed to abut with 13 end face of lock pawl, then to dismantle wire rod
When, rotation insurance baffle 16 is far from 13 end face of lock pawl, the safety of setting insurance 16 aggrandizement apparatus of baffle, rocking bar 10 and first
9 grafting of shaft, 9 top of first rotating shaft are provided with the clamping block 17 of rectangle, the clamping groove 18 matched are provided on rocking bar 10, is shaken
10 end of bar is plugged with extension rod 19, and setting extension rod 19 can increase the arm of force of rocking bar 10, is more convenient rotation screw rod 4, therefore edge
9 rotating rocker 10 of first rotating shaft, when 10 counter-clockwise swing of rocking bar, driving pawl 11 is just inserted into the tooth socket 8 of ratchet 7, is pushed
Ratchet 7 turns over an angle, at this point, lock pawl 13 slides on the back of tooth of ratchet 7.When 10 clockwise oscillation of driving link rocking bar
When, lock pawl 13 prevents ratchet 7 from being rotated in the clockwise direction, and drives pawl 11 that can slip on 7 back of tooth of ratchet, therefore spine
Take turns 7 stationary, when rocking bar 10 makees continuous reciprocally swinging, ratchet 7 just makees unidirectional intermittent movement, promotes screw rod 4 continuous
Unidirectional rotation then promotes upper jaw 2 to compress with wire rod downwards, and when completing the installation of wire rod, wire rod is no longer tensioned, along drawing
Lever 15 promotes lock pawl 13 to move up along the second shaft 12, and then lock pawl 13 and ratchet 7 are detached from, i.e. rotatable screw rod 4
Upper jaw 2 and lower jaw 25 are loosened, while by rocking bar 10 and 9 grafting of first rotating shaft, can be removed rocking bar 10 after fixed wire rod,
Reduce the weight of device.
It prevents from loosening for the safety of enhancement device referring to Fig. 2, the periphery of threading hole 1 towards pull ring 6 is provided with tightly
Anxious retaining unit 20, including the outwardly extending socket tube 21 in 1 periphery of threading hole, socket tube 21 are plugged with retaining pipe 22, retaining pipe
The 22 tubaeform settings bigger in the smaller one end in one end, the wherein lesser one end of retaining pipe 22 and 21 grafting of socket tube, retaining pipe
Wrapping post 23 is provided in 22,21 inner wall of socket tube is provided with form friction pattern (being not drawn into figure), 22 inner wall of retaining pipe and periphery wall
Also it is provided with form friction pattern, urgent retaining unit 20 is set, wire rod and wrapping post 23 are fastened, under the state of emergency, upper pincers
When mouth 2 and lower jaw 25 loosen, wire rod is pulled together with retaining pipe 22 into inside socket tube 21, retaining pipe 22 and socket tube 21
It is plugged and fixed, prevents wire rod from further loosening, setting form friction pattern increases between retaining pipe 22 and wire rod, retaining pipe 22 and socket tube 21
Between frictional force, it is more preferable to play retaining effect.
The course of work (principle): the utility model discloses a kind of gripper, and 3 two sides of substrate are provided with the threading hole of connection
1, middle part in substrate 3 is provided with upper jaw 2 and lower jaw 25, lower jaw 25 and substrate 3 are fixed, in being provided with cunning on substrate 3
Slot 24, upper jaw 2 are slidably connected with sliding slot 24, and screw rod 4 is screwed on upper jaw 2, and screw rod 4 is arranged in parallel with sliding slot 24, screw rod 4
It is rotatablely connected with 3 end face of substrate, is separately provided with the rotating device 5 that driving screw rod 4 rotates and is connect with substrate 3, along 9 turns of first rotating shaft
Shake bar 10, when 10 counter-clockwise swing of rocking bar, driving pawl 11 is just inserted into the tooth socket 8 of ratchet 7, and ratchet 7 is pushed to turn over one
A angle, at this point, lock pawl 13 slides on the back of tooth of ratchet 7.When driving link 10 clockwise oscillation of rocking bar, lock pawl 13 hinders
Only ratchet 7 is rotated in the clockwise direction, and drives pawl 11 that can slip on 7 back of tooth of ratchet, therefore ratchet 7 is stationary,
When rocking bar 10 makees continuous reciprocal circle swing, ratchet 7 just makees unidirectional intermittent movement, promotes screw rod 4 is constantly unidirectional to turn
It is dynamic, 1 side of threading hole is provided with pull ring 6, wire rod is inserted into along threading hole 1, is then pierced by from the other end, the drawing on substrate 3
Ring 6 is connect with the hook pawl of cord holder, drives 4 rotation of screw rod by rotating device 5, and the then rotation of screw rod 4 promotes and catch to be screwed on
Upper jaw 2 24 move down along the chute and move closer to lower jaw 25, i.e., upper jaw 2, which is abutted with wire rod downwards, is fixed, complete
It is fixed reliable at being fastened and fixed for wire rod, and can avoid wire rod and slip.
The embodiment of present embodiment is the preferred embodiment of the utility model, and not limitation is originally practical new according to this
The protection scope of type, therefore: the equivalence changes that all structures, shape, principle according to the utility model are done should all be covered by practical
Within novel protection scope.
Claims (8)
1. a kind of gripper, it is characterised in that: including substrate (3), substrate (3) two sides are equipped with the threading hole (1) of connection, in
Middle part is equipped with upper jaw (2) and lower jaw (25) in the substrate (3), and the lower jaw (25) and the substrate (3) are fixed, in
The substrate (3) is equipped with sliding slot (24), and the upper jaw (2) is slidably connected with the sliding slot (24), on the upper jaw (2)
It is screwed with screw rod (4), the screw rod (4) is arranged in parallel with the sliding slot (24), the screw rod (4) and the substrate (3) end face
Rotation connection is additionally provided with and the rotating device (5) of screw rod (4) rotation is driven to connect with the substrate (3), Yu Suoshu threading hole
(1) side is equipped with pull ring (6).
2. a kind of gripper according to claim 1, it is characterised in that: the rotating device (5) includes the screw rod (4)
The ratchet (7) that top is equipped with, ratchet (7) circumference are equipped with tooth socket (8), rotate on the central first rotating shaft (9) of the ratchet (7)
It is connected with rocking bar (10), the rocking bar (10) is equipped with pawl (11) and abuts with the tooth socket (8), also sets on the substrate (3)
Have the second shaft (12), is rotatably connected to lock pawl (13) on second shaft (12), the lock pawl (13) and the tooth
Slot (8) abuts.
3. a kind of gripper according to claim 2, it is characterised in that: the lock pawl (13) is equipped with rod-shaped disengaging
Part (14), the release piece (14) are arranged in parallel with second shaft (12), and Yu Suoshu release piece (14) end, which is equipped with, to be pulled
Bar (15).
4. a kind of gripper according to claim 3, it is characterised in that: in the lock pawl (13) on the substrate (3)
Side is rotatably connected to insurance baffle (16), and insurance baffle (16) baffle is abutted with the lock pawl (13) end face.
5. a kind of gripper according to claim 4, it is characterised in that: the rocking bar (10) and the first rotating shaft (9)
Grafting, first rotating shaft (9) top are equipped with the clamping block (17) of rectangle, and the rocking bar (10) is equipped with the clamping groove matched
(18)。
6. a kind of gripper according to claim 5, it is characterised in that: rocking bar (10) end is plugged with extension rod
(19)。
7. a kind of gripper according to claim 1, it is characterised in that: the threading hole (1) is towards the pull ring (6)
Periphery is equipped with urgent retaining unit (20), including the outwardly extending socket tube in the threading hole (1) periphery (21), the socket tube
(21) it is plugged with retaining pipe (22), the retaining pipe (22) the tubaeform setting big in the small one end in one end, wherein the retaining pipe
(22) small one end and the socket tube (21) grafting, the retaining pipe (22) is interior to be equipped with wrapping post (23).
8. a kind of gripper according to claim 7, it is characterised in that: socket tube (21) inner wall is equipped with form friction pattern,
Retaining pipe (22) inner wall and periphery wall are also equipped with form friction pattern.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920198601.6U CN209375019U (en) | 2019-02-14 | 2019-02-14 | A kind of gripper |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920198601.6U CN209375019U (en) | 2019-02-14 | 2019-02-14 | A kind of gripper |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209375019U true CN209375019U (en) | 2019-09-10 |
Family
ID=67827024
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920198601.6U Expired - Fee Related CN209375019U (en) | 2019-02-14 | 2019-02-14 | A kind of gripper |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209375019U (en) |
-
2019
- 2019-02-14 CN CN201920198601.6U patent/CN209375019U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190910 Termination date: 20210214 |