A kind of industrial machinery locking protection system
Technical field
The invention belongs to lock protection technical field of structures more particularly to a kind of industrial machinery locking protection system.
Background technique
The pressure angle and angle of friction that the locking principle of retaining mechanism is mainly based upon on mechanics lock to realize, lock machine
Structure is generally divided into removable structure and non-disconnectable structure, common locking mode has screw-threaded coupling, eccentric wheel to lock, inclined-plane is locked,
Four-bar mechanism locking etc..
Structure is protected in current locking, and its structure is complicated, cumbersome, and cannot effectively adapt to different rule when in use
The use demand of the industrial machinery of lattice, therefore, it is proposed that a kind of industrial machinery locks protection system to solve the above problems.
Summary of the invention
The purpose of the present invention is to solve locking protection structure exists in the prior art, structure is complicated, cumbersome,
And the shortcomings that use demand of industrial machinery of different size cannot be effectively adapted to when in use, and a kind of industrial machine proposed
Tool locks protection system.
To achieve the goals above, present invention employs following technical solutions:
A kind of industrial machinery locking protection system, including two upper clamp plates and two lower clamp plates, which is characterized in that two upper clamp plates
Top be fixedly installed with fixed block, a fixed block in two fixed blocks is close to the fixed peace in the side of another fixed block
Equipped with screw rod, it is threadedly coupled adjusting nut on the screw rod, the side of adjusting nut and corresponding fixed block is in contact, on two
The side that clamping plate is located remotely from each other is fixedly installed with link block, and the bottom of link block is fixedly installed with rotation seat, two upper clamp plates
The side being located remotely from each other offers first sliding groove, and the first sliding block, first sliding block are slidably fitted in the first sliding groove
Side extend to the outside of corresponding upper clamp plate and be rotatably equipped with the first connecting shaft, be rotatablely installed in first connecting shaft
There is slide bar, the top of two slide bars is rotatablely installed respectively on two rotation seats, and the side that two lower clamp plates are located remotely from each other is solid
Dingan County is equipped with fixing seat, and two fixing seats are located at the lower section of two link blocks, and the top of two fixing seats is fixedly mounted
There is fixed link, the top of two fixed links offers spring groove, and the bottom end of two slide bars is slidably mounted on two springs respectively
In slot, one end of the first spring, the other end point of two the first springs are fixedly installed in the bottom interior wall of two spring grooves
It is not fixedly installed in the bottom of two slide bars, the bottom of two lower clamp plates is fixedly installed with attachment base, on two attachment bases
It is rotatably equipped with bull stick, two bull stick sides close to each other offer link slot, are slidably fitted in two link slots same
One connecting rod, the both ends of the connecting rod are fixedly installed with the both ends of second spring, what two second springs were located remotely from each other
One end is fixedly installed in respectively on the side inner wall that two link slots are located remotely from each other, and when in use, is rotated adjusting nut, is adjusted spiral shell
Mother rotates on screw rod drives corresponding fixed block to move, due to the activity adjustment of two upper clamp plates and two lower clamp plates,
Due to being provided with the first spring, second spring and third spring, so that two upper clamp plates and two lower clamp plates be made to can adapt to not
The industrial machinery of same specification is carried out using to better meet the different use demands of user.
Preferably, it is fixedly installed with same first limit shaft in the top inner wall and bottom interior wall of the first sliding groove,
First sliding block is slidably mounted on the side that two upper clamp plates are located remotely from each other on corresponding first limit shaft and is fixedly installed with rotation
Block is rotatably equipped with pull rod on two rotating blocks, and limit shaft can guarantee sliding block sliding not deviation, since movable block is in correspondence
Sliding rail in sliding, to guarantee sliding bar not deviation.
Preferably, the top of two attachment bases is rotatably equipped with telescopic rod, two telescopic rods and two fixed links not position
In on same vertical axis, when adjusting nut squeezes corresponding fixed block, make two upper clamp plates to a sidesway close to each other
Dynamic, two upper clamp plates drive two pull rod rotation movements, and two pull rods drive two telescopic rods to rotate band in two fixing seats
Dynamic two fixing seats move up.
Preferably, the top of two telescopic rods offers telescopic chute, and two pull rods are slidably mounted on two respectively and stretch
In slot, due to pull rod in telescopic chute sliding extension, so that two upper clamp plates and two lower clamp plates be made to can adapt to different size
Industrial machinery carry out using.
Preferably, the two sides of the pull rod offer limiting slot, are slidably fitted with limited block in two limiting slots, limit
The side of position block extends to outside corresponding pull rod and is fixedly installed on the inner wall of corresponding telescopic chute, due to being provided with limited block
And limiting slot, to guarantee pull rod sliding not deviation.
Preferably, the bottom of the limited block is fixedly installed with one end of third spring, and the other end of third spring is fixed
It is installed on the inner wall of corresponding limiting slot, is fixedly installed with the second limit in the top inner wall and bottom interior wall of limiting slot
Axis, limited block is slidably mounted on corresponding second limit shaft, due to the elastic force of third spring, pull rod is made to drive fixing seat first
It slides up and down, slides slide bar in spring groove and the first spring stress is driven to shrink.
Preferably, two upper clamp plate sides close to each other are equipped with the first arc cushion block, and two lower clamp plates are close to each other
Side be fixedly installed with the second arc cushion block, two the first cushion blocks fickle in love and two the second arc cushion blocks cooperate, by
In the cooperation of the first arc cushion block and the second arc cushion block, different use demands can be better met.
Preferably, putting hole is offered on a fixed block in two fixed blocks, one end of screw rod is located in putting hole,
Putting hole can guarantee the mobile not deviation of screw rod.
Preferably, the bottom of first sliding block is fixedly installed with one end of the 4th spring, and the other end of the 4th spring is solid
Dingan County offers sliding rail, is slidably installed in sliding rail loaded on the inner wall of corresponding first sliding groove on the two sides inner wall of spring groove
There is movable block, the side of movable block is fixedly installed on corresponding slide bar, and the cooperation of sliding rail and movable block guarantees sliding bar not
Deviation.
Preferably, the side that two lower clamp plates are located remotely from each other offers second sliding slot, is slidably fitted in second sliding slot
Second sliding block is rotatably equipped with the second connecting shaft on the second sliding block, and one end of the second connecting shaft extends to corresponding lower clamp plate
Outside is simultaneously rotatablely installed on telescopic rod, being fixedly installed with one end of the 5th spring at the top of the second sliding block, the 5th spring it is another
One end is fixedly installed on the inner wall of corresponding second sliding slot, is fixedly installed in the top inner wall and bottom interior wall of second sliding slot
The same third limit shaft, the second sliding block are slidably mounted on corresponding third limit shaft, and the elastic force of the 5th spring can pull
Telescopic rod rotation.
In the present invention, a kind of industrial machinery locking protection system, when in use, and rotation adjusting nut, adjusting nut
Rotation drives corresponding fixed block to be moved on screw rod, due to the activity adjustment of two upper clamp plates and two lower clamp plates, by
In being provided with the first spring, second spring and third spring, so that two upper clamp plates and two lower clamp plates be made to can adapt to difference
The industrial machinery of specification is carried out using to better meet the different use demands of user;
Due to pull rod in telescopic chute sliding extension, so that two upper clamp plates and two lower clamp plates be made to can adapt to different size
Industrial machinery is carried out using can better meet different make due to the cooperation of the first arc cushion block and the second arc cushion block
Use demand;
The configuration of the present invention is simple, easy to use, the industrial machinery that can adapt to different size is carried out using providing for industrial machinery
Better locking protection, meets user's demand.
Detailed description of the invention
Fig. 1 is the structural schematic diagram that a kind of industrial machinery proposed by the present invention locks protection system;
Fig. 2 is the part A structural schematic diagram that a kind of industrial machinery proposed by the present invention locks protection system;
Fig. 3 is the part B structural schematic diagram that a kind of industrial machinery proposed by the present invention locks protection system;
Fig. 4 is the back side schematic cross-sectional view that a kind of industrial machinery proposed by the present invention locks protection system;
Fig. 5 is the C portion structural schematic diagram that a kind of industrial machinery proposed by the present invention locks protection system.
In figure: 1 upper clamp plate, 2 lower clamp plates, 3 arc cushion blocks, 4 fixed blocks, 5 screw rods, 6 adjusting nuts, 7 link blocks, 8 rotations
Seat, 9 first sliding grooves, 10 first sliding blocks, 11 first connecting shafts, 12 slide bars, 13 fixing seats, 14 fixed links, 15 spring grooves, 16 first
Spring, 17 attachment bases, 18 bull sticks, 19 link slots, 20 second springs, 21 connecting rods, 22 rotating blocks, 23 pull rods, 24 telescopic rods, 25
Telescopic chute, 26 limiting slots, 27 limited blocks, 28 third springs, 29 the 4th springs, 30 first limit shafts, 31 sliding rails, 32 movable blocks,
33 second arc cushion blocks, 34 second limit shafts, 35 second sliding slots, 36 second sliding blocks, 37 second connecting shafts, 38 the 5th springs, 39
Third limit shaft.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.
Embodiment one
Referring to Fig.1-5, a kind of industrial machinery locks protection system, including two upper clamp plates 1 and two lower clamp plates 2, and feature exists
In the top of two upper clamp plates 1 is fixedly installed with fixed block 4, and a fixed block 4 in two fixed blocks 4 is close to another
The side of fixed block 4 is fixedly installed with screw rod 5, is threadedly coupled adjusting nut 6, adjusting nut 6 and corresponding fixed block on screw rod 5
4 side is in contact, and the side that two upper clamp plates 1 are located remotely from each other is fixedly installed with link block 7, and the bottom of link block 7 is fixed
Rotation seat 8 is installed, the side that two upper clamp plates 1 are located remotely from each other offers first sliding groove 9, is slidably installed in first sliding groove 9
There is the first sliding block 10, the side of the first sliding block 10 extends to the outside of corresponding upper clamp plate 1 and is rotatably equipped with the first connecting shaft
11, slide bar 12 is rotatably equipped in the first connecting shaft 11, and the top of two slide bars 12 is rotatablely installed respectively in two rotation seats 8
On, the side that two lower clamp plates 2 are located remotely from each other is fixedly installed with fixing seat 13, and two fixing seats 13 are located at two connections
The lower section of block 7, the top of two fixing seats 13 are fixedly installed with fixed link 14, and the top of two fixed links 14 offers bullet
Spring slot 15, the bottom end of two slide bars 12 is slidably mounted on respectively in two spring grooves 15, in the bottom interior wall of two spring grooves 15
It is fixedly installed with one end of the first spring 16, the other end of two the first springs 16 is fixedly installed in two slide bars 12 respectively
Bottom, the bottom of two lower clamp plates 2 are fixedly installed with attachment base 17, are rotatably equipped with bull stick 18 on two attachment bases 17,
Two bull sticks 18 side close to each other offers link slot 19, is slidably fitted with the same connecting rod in two link slots 19
21, the both ends of connecting rod 21 are fixedly installed with the both ends of second spring 20, one end that two second springs 20 are located remotely from each other point
It is not fixedly installed on the side inner wall that two link slots 19 are located remotely from each other, when in use, rotates adjusting nut 6, adjusting nut 6
Rotation drives corresponding fixed block 4 to be moved on screw rod 5, since the activity of two upper clamp plates 1 and two lower clamp plates 2 is adjusted
Section, due to being provided with the first spring 16, second spring 20 and third spring 28, to make two upper clamp plates 1 and two lower clamp plates 2
The industrial machinery that can adapt to different size is carried out using to better meet the different use demands of user.
In 1 present invention, same first limit shaft is fixedly installed in the top inner wall and bottom interior wall of first sliding groove 9
30, the first sliding block 10 is slidably mounted on the fixed peace in side that two upper clamp plates 1 are located remotely from each other on corresponding first limit shaft 30
Equipped with rotating block 22, pull rod 23 is rotatably equipped on two rotating blocks 22, the first limit shaft 30 can guarantee the first sliding block 10
Slide not deviation.
In 2 present invention, the top of two attachment bases 17 is rotatably equipped with telescopic rod 24, and two telescopic rods 24 and two consolidate
Fixed pole 14 is not located on same vertical axis, when adjusting nut 6 squeezes corresponding fixed block 4, makes two upper clamp plates 1 to mutual
Close side is mobile, and two upper clamp plates 1 drive two rotation movements of pull rod 23, and two pull rods 23 drive two telescopic rods 24 to exist
Rotation drives two fixing seats 13 to move up in two fixing seats 13.
In 3 present invention, the top of two telescopic rods 24 offers telescopic chute 25, and two pull rods 23 are slidably mounted on respectively
In two telescopic chutes 25, due to pull rod 23 in telescopic chute 25 sliding extension, to make two upper clamp plates 1 and two lower clamp plates 2
Can adapt to different size industrial machinery carry out using.
In 4 present invention, the two sides of pull rod 23 offer limiting slot 26, are slidably fitted with limit in two limiting slots 26
Block 27, the side of limited block 27 extend to outside corresponding pull rod 23 and are fixedly installed on the inner wall of corresponding telescopic chute 25, by
In being provided with limited block 27 and limiting slot 26, to guarantee the sliding of pull rod 23 not deviation.
In 5 present invention, the bottom of limited block 27 is fixedly installed with one end of third spring 28, the other end of third spring 28
It is fixedly installed on the inner wall of corresponding limiting slot 26, is fixedly installed in the top inner wall and bottom interior wall of limiting slot 26
Two limit shafts 34, limited block 27 are slidably mounted on corresponding second limit shaft 34, due to the elastic force of third spring 28, make first
Pull rod 23 drives fixing seat 13 to slide up and down, and slides slide bar 12 in spring groove 15 and drives 16 forced contraction of the first spring.
In 6 present invention, the bottom of limited block 27 is fixedly installed with one end of third spring 28, the other end of third spring 28
It is fixedly installed on the inner wall of corresponding limiting slot 26, is fixedly installed in the top inner wall and bottom interior wall of limiting slot 26
Two limit shafts 34, limited block 27 are slidably mounted on corresponding second limit shaft 34, due to the elastic force of third spring 28, make first
Pull rod 23 drives fixing seat 13 to slide up and down, and slides slide bar 12 in spring groove 15 and drives 16 forced contraction of the first spring.
In the present invention, two sides close to each other of upper clamp plate 1 are equipped with the first arc cushion block 3, and two lower clamp plates 2 are mutual
Close side is fixedly installed with the second arc cushion block 33, due to the cooperation of the first arc cushion block 3 and the second arc cushion block 33,
Different use demands can be better met.
In 7 present invention, putting hole is offered on a fixed block 4 in two fixed blocks 4, one end of screw rod 5, which is located at, puts
It sets in hole, putting hole can guarantee the mobile not deviation of screw rod 5.
In the present invention, the bottom of the first sliding block 10 is fixedly installed with one end of the 4th spring 29, the 4th spring 29 it is another
End is fixedly installed on the inner wall of corresponding first sliding groove 9, and sliding rail 31, sliding rail 31 are offered on the two sides inner wall of spring groove 15
It is inside slidably fitted with movable block 32, the side of movable block 32 is fixedly installed on corresponding slide bar 12, sliding rail 31 and movable block 32
Cooperation guarantee the sliding of slide bar 12 not deviation.
In the present invention, the side that two lower clamp plates 2 are located remotely from each other offers second sliding slot 35, sliding in second sliding slot 35
Second sliding block 36 is installed, the second connecting shaft 37 is rotatably equipped on the second sliding block 36, one end of the second connecting shaft 37 extends to
The outside of corresponding lower clamp plate 2 is simultaneously rotatablely installed on telescopic rod 24, and the top of the second sliding block 36 is fixedly installed with the 5th spring
38 one end, the other end of the 5th spring 38 are fixedly installed on the inner wall of corresponding second sliding slot 35, the top of second sliding slot 35
The same third limit shaft 39 is fixedly installed on portion's inner wall and bottom interior wall, the second sliding block 36 is slidably mounted on corresponding third
On limit shaft 39, the elastic force of the 5th spring 28 can pull telescopic rod 24 to rotate.
Embodiment two
Referring to Fig.1-5, a kind of industrial machinery locks protection system, including two upper clamp plates 1 and two lower clamp plates 2, and feature exists
In the top of two upper clamp plates 1, which passes through to be welded and fixed, is equipped with fixed block 4, and a fixed block 4 in two fixed blocks 4 leans on
The side of another nearly fixed block 4 is equipped with screw rod 5 by being welded and fixed, and adjusting nut 6 is threadedly coupled on screw rod 5, adjusts spiral shell
The side of mother 6 and corresponding fixed block 4 is in contact, and the side that two upper clamp plates 1 are located remotely from each other, which passes through to be welded and fixed, to be equipped with
The bottom of link block 7, link block 7 is equipped with rotation seat 8 by being welded and fixed, and the side that two upper clamp plates 1 are located remotely from each other is opened
Equipped with first sliding groove 9, the first sliding block 10 is slidably fitted in first sliding groove 9, the side of the first sliding block 10 extends on corresponding
The outside of clamping plate 1 is simultaneously rotatably equipped with the first connecting shaft 11, and slide bar 12, two slide bars 12 are rotatably equipped in the first connecting shaft 11
Top be rotatablely installed installation is welded and fixed on two rotation seats 8, the side that two lower clamp plates 2 are located remotely from each other passes through respectively
There is fixing seat 13, two fixing seats 13 are located at the lower section of two link blocks 7, and the top of two fixing seats 13 passes through welding
It is fixedly installed with fixed link 14, the top of two fixed links 14 offers spring groove 15, and the bottom end of two slide bars 12 is slided respectively
It is dynamic to be installed in two spring grooves 15, the first spring 16 is installed by being welded and fixed in the bottom interior wall of two spring grooves 15
One end, the other end of two the first springs 16 passes through the bottom for being welded and fixed and being installed on two slide bars 12 respectively, presss from both sides under two
The bottom of plate 2, which passes through to be welded and fixed, is equipped with attachment base 17, and bull stick 18 is rotatably equipped on two attachment bases 17, and two turn
The side close to each other of bar 18 offers link slot 19, and the same connecting rod 21 is slidably fitted in two link slots 19, even
The both ends of extension bar 21 pass through the both ends for being welded and fixed and being equipped with second spring 20, one end that two second springs 20 are located remotely from each other
It is installed on the side inner wall that two link slots 19 are located remotely from each other by being welded and fixed respectively, when in use, rotates adjusting nut
6, adjusting nut 6 rotates on screw rod 5 drives corresponding fixed block 4 to be moved, due to two upper clamp plates 1 and two lower clamp plates
2 activity adjustment, due to being provided with the first spring 16, second spring 20 and third spring 28, to make two upper clamp plates 1 and two
The industrial machinery that a lower clamp plate 2 can adapt to different size is carried out using so that better meeting different use of user needs
It asks.
In 1 present invention, same first is equipped with by being welded and fixed in the top inner wall and bottom interior wall of first sliding groove 9
Limit shaft 30, it is equal that the first sliding block 10 is slidably mounted on the side that two upper clamp plates 1 are located remotely from each other on corresponding first limit shaft 30
Rotating block 22 is installed by being welded and fixed, pull rod 23 is rotatably equipped on two rotating blocks 22, the first limit shaft 30 can
Guarantee the first sliding block 10 sliding not deviation.
In 2 present invention, the top of two attachment bases 17 is rotatably equipped with telescopic rod 24, and two telescopic rods 24 and two consolidate
Fixed pole 14 is not located on same vertical axis, when adjusting nut 6 squeezes corresponding fixed block 4, makes two upper clamp plates 1 to mutual
Close side is mobile, and two upper clamp plates 1 drive two rotation movements of pull rod 23, and two pull rods 23 drive two telescopic rods 24 to exist
Rotation drives two fixing seats 13 to move up in two fixing seats 13.
In 3 present invention, the top of two telescopic rods 24 offers telescopic chute 25, and two pull rods 23 are slidably mounted on respectively
In two telescopic chutes 25, due to pull rod 23 in telescopic chute 25 sliding extension, to make two upper clamp plates 1 and two lower clamp plates 2
Can adapt to different size industrial machinery carry out using.
In 4 present invention, the two sides of pull rod 23 offer limiting slot 26, are slidably fitted with limit in two limiting slots 26
Block 27, the side of limited block 27 extend to outside corresponding pull rod 23 and are installed on the interior of corresponding telescopic chute 25 by being welded and fixed
On wall, due to being provided with limited block 27 and limiting slot 26, to guarantee the sliding of pull rod 23 not deviation.
In 5 present invention, the bottom of limited block 27 is by being welded and fixed the one end for being equipped with third spring 28, third spring 28
The other end by being welded and fixed on the inner wall for being installed on corresponding limiting slot 26, the top inner wall and bottom interior wall of limiting slot 26
On the second limit shaft 34 is installed by being welded and fixed, limited block 27 is slidably mounted on corresponding second limit shaft 34, by
In the elastic force of third spring 28, makes pull rod 23 that fixing seat 13 be driven to slide up and down first, slide slide bar 12 in spring groove 15
Drive 16 forced contraction of the first spring.
In 6 present invention, the bottom of limited block 27 is by being welded and fixed the one end for being equipped with third spring 28, third spring 28
The other end by being welded and fixed on the inner wall for being installed on corresponding limiting slot 26, the top inner wall and bottom interior wall of limiting slot 26
On the second limit shaft 34 is installed by being welded and fixed, limited block 27 is slidably mounted on corresponding second limit shaft 34, by
In the elastic force of third spring 28, makes pull rod 23 that fixing seat 13 be driven to slide up and down first, slide slide bar 12 in spring groove 15
Drive 16 forced contraction of the first spring.
In the present invention, two sides close to each other of upper clamp plate 1 are equipped with the first arc cushion block 3, and two lower clamp plates 2 are mutual
Close side, which passes through to be welded and fixed, is equipped with the second arc cushion block 33, due to the first arc cushion block 3 and the second arc cushion block
33 cooperation can better meet different use demands.
In 7 present invention, putting hole is offered on a fixed block 4 in two fixed blocks 4, one end of screw rod 5, which is located at, puts
It sets in hole, putting hole can guarantee the mobile not deviation of screw rod 5.
In the present invention, the bottom of the first sliding block 10 is by being welded and fixed the one end for being equipped with the 4th spring 29, the 4th spring
29 other end is opened on the two sides inner wall of spring groove 15 by being welded and fixed on the inner wall for being installed on corresponding first sliding groove 9
Equipped with sliding rail 31, be slidably fitted with movable block 32 in sliding rail 31, the side of movable block 32 by be welded and fixed be installed on it is corresponding
On slide bar 12, the cooperation of sliding rail 31 and movable block 32 guarantees the sliding of slide bar 12 not deviation.
In the present invention, the side that two lower clamp plates 2 are located remotely from each other offers second sliding slot 35, sliding in second sliding slot 35
Second sliding block 36 is installed, the second connecting shaft 37 is rotatably equipped on the second sliding block 36, one end of the second connecting shaft 37 extends to
The outside of corresponding lower clamp plate 2 is simultaneously rotatablely installed on telescopic rod 24, and the top of the second sliding block 36 is equipped with by being welded and fixed
One end of 5th spring 38, the other end of the 5th spring 38 is by being welded and fixed the inner wall for being installed on corresponding second sliding slot 35
On, the same third limit shaft 39 is installed by being welded and fixed in the top inner wall and bottom interior wall of second sliding slot 35, second
Sliding block 36 is slidably mounted on corresponding third limit shaft 39, and the elastic force of the 5th spring 28 can pull telescopic rod 24 to rotate.
Working principle: in use, when in use, rotating adjusting nut 6, adjusting nut 6 rotates drive on screw rod 5 and corresponds to
Fixed block 4 moved, when adjusting nut 6 squeezes corresponding fixed block 4, make two upper clamp plates 1 to close to each other one
Side is mobile, and two upper clamp plates 1 drive two link blocks 7 mobile, two drives of link blocks 7, two rotation movements of slide bars 12, and two
Slide bar 12 drives two rotation movements of connecting shaft 11, and two connecting shafts 11 drive two the first sliding blocks 10 sliding in first sliding groove 9
It is dynamic, due to the cooperation of screw rod 5 and fixed block 4, to realize moving horizontally for two upper clamp plates 1, make two upper clamp plates 1 to mutual
Close side is mobile, to make the arc cushion block 3 and industrial machinery contact on two upper clamp plates 1, two link blocks 7 drive two
A slide bar 12 is mobile, and two slide bars 12 drive two fixed links 14 mobile, since connecting rod 21 is slided in two link slots 19
It drives 20 stress of corresponding two second springs flexible, two lower clamp plates 2 is adjusted, while two upper clamp plates 1 drive two
A rotation of pull rod 23 movement, two pull rods 23 drive two telescopic rods 24 to rotate in two fixing seats 13 and drive two fixing seats
13 move up, and due to being provided with limited block 27 and limiting slot 26, due to the elastic force of third spring 28, first drive pull rod 23
Fixing seat 13 slides up and down, and slides slide bar 12 in spring groove 15 and drives 16 forced contraction of the first spring, guarantees that pull rod 23 is sliding
Dynamic not deviation enables two upper clamp plates 1 and two lower clamp plates 2 due to the activity adjustment of two upper clamp plates 1 and two lower clamp plates 2
The industrial machinery for enough adapting to different size is carried out using to better meet the different use demands of user.
The foregoing is only a preferred embodiment of the present invention, but scope of protection of the present invention is not limited thereto,
Anyone skilled in the art in the technical scope disclosed by the present invention, according to the technique and scheme of the present invention and its
Inventive concept is subject to equivalent substitution or change, should be covered by the protection scope of the present invention.