CN107973216A - A kind of self-locking device for rail clamping device - Google Patents
A kind of self-locking device for rail clamping device Download PDFInfo
- Publication number
- CN107973216A CN107973216A CN201711049017.6A CN201711049017A CN107973216A CN 107973216 A CN107973216 A CN 107973216A CN 201711049017 A CN201711049017 A CN 201711049017A CN 107973216 A CN107973216 A CN 107973216A
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- CN
- China
- Prior art keywords
- placing box
- side wall
- cylinder
- clamping device
- self
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- 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.)
- Pending
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C9/00—Travelling gear incorporated in or fitted to trolleys or cranes
- B66C9/18—Travelling gear incorporated in or fitted to trolleys or cranes with means for locking trolleys or cranes to runways or tracks to prevent inadvertent movements
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Manipulator (AREA)
Abstract
The invention discloses a kind of self-locking device for rail clamping device, including base, the upper side wall of the base offers two screw thread mouths, the inner wall of two screw thread mouths is equipped with internal thread, threaded rod is inserted with each screw thread mouth, the outer wall of each threaded rod is equipped with the external screw thread to match with internal thread, the upper end of two threaded rods is respectively connected with nut, the upper side wall of the base is additionally provided with placing box, the both sides side wall of the placing box is arranged with L-type fixed plate and two movable plates, one end of two L-type fixed plates runs through the side wall of placing box and extends to the inside of placing box, one end of two movable plates runs through the side wall of placing box and extends to the inside of placing box, the both ends of the L-type fixed plate and the both ends of movable plate offer round mouth.The present invention stretches out rubber fixture block by cylinder retraction when power is off, rail clamping device is carried out self-locking, avoids manual operation, simple in structure, convenient and practical.
Description
Technical field
The present invention relates to rail clamping device technical field, more particularly to a kind of self-locking device for rail clamping device.
Background technology
In order to ensure, in the safety of the equipment such as the rail-mounted gantry crane of outside work, unloader, to set rail clamping device
Ensure its safety when strong wind, some rail clamping devices are to drive screw to rotate by motor, realize the folder to track
Tight and unclamp, still, under the situations such as accident power-off, screw can rotate backward such rail clamping device so that rail clamping device and
Track disengages.
The content of the invention
The purpose of the present invention is to solve existing rail clamping device under the situations such as accident power-off, screw can occur reversely to turn
It is dynamic so that the shortcomings that rail clamping device and track disengage, and a kind of self-locking device for rail clamping device proposed.
To achieve these goals, present invention employs following technical solution：
A kind of self-locking device for rail clamping device, including base, the upper side wall of the base offer two screw thread mouths, two institutes
The inner wall for stating screw thread mouth is equipped with internal thread, and threaded rod is inserted with each screw thread mouth, outside each threaded rod
Wall is equipped with the external screw thread to match with internal thread, and the upper ends of two threaded rods is respectively connected with nut, the base it is upper
Side wall is additionally provided with placing box, and the both sides side wall of the placing box is arranged with L-type fixed plate and two movable plates, described in two
One end of L-type fixed plate runs through the side wall of placing box and extends to the inside of placing box, and one end of two movable plates is run through
The side wall of placing box and the inside for extending to placing box, the both ends of the L-type fixed plate and the both ends of movable plate offer circle
Mouthful, shaft is inserted with described in each two in round mouth, contiguous block is arranged with two shafts, two contiguous blocks are opposite
Piston is connected with the side wall of side, two one end of the piston away from contiguous block are connected with cylinder, and two pistons are close
Cylinder one end through cylinder side wall and extend to the inside of cylinder, two pistons are located at one end of cylinder interior
Between be equipped with multiple springs, the cylinder is equipped with relief valve, and the side wall of the cylinder is equipped with tracheae, one end of the tracheae
Connected through the side wall of cylinder with the inside of cylinder.
Preferably, the one end of the tracheae away from cylinder is connected with air blower.
Preferably, the placing box is internally provided with two loop bars, and one end that the movable plate is located in placing box is arranged
On two loop bars.
Preferably, hinge connection has fixed plate, the fixation between one end that two movable plates are located in placing box
The lower wall of plate is equipped with the first push plate, and the inside of the placing box is additionally provided with four gears, and gear described in each two is intermeshed
And it is equipped with the rack being meshed with gear positioned at the both sides of the first push plate, the both sides side wall of first push plate.
Preferably, side of the gear described in each two away from the first push plate is equipped with the second push plate, and two described second push away
Plate is equipped with the rack being meshed with gear close to the side of gear.
Preferably, two second push plates through base and are connected with rubber fixture block, two institutes close to base one end
State one end that L-type fixed plate is located in placing box and offer sliding slot, the diameter of the sliding slot is more than the diameter of the second push plate, two
Second push plate both passes through sliding slot.
In the present invention, base is fixed on the machine by rotary nut, when machine works normally, air blower is into cylinder
Air-blowing, promotes two pistons to be moved toward the side away from spring, promotes contiguous block movement, and the L-type connected on two contiguous blocks is consolidated
Fixed board and movable plate expansion, when power is off, gas of the air blower not in air-blowing, cylinder is flowed away by tracheae, and spring is by piston
Retract in cylinder, contiguous block hauls L-type fixed plate and movable plate and moved toward cylinder side, and movable plate pushes the first push plate toward moving down
Dynamic, band moving gear rotates, and gear drives two the second push plates to move down, and rubber fixture block is released clamping device.The present invention exists
Rubber fixture block is stretched out by cylinder retraction during power-off, rail clamping device is carried out self-locking, is not easy to disengage, avoids manual operation, is tied
Structure is simple, convenient and practical.
Brief description of the drawings
Fig. 1 is a kind of structure diagram of self-locking device front view for rail clamping device proposed by the present invention；
Fig. 2 is a kind of structure diagram of self-locking device sliding slot top view for rail clamping device proposed by the present invention.
In figure：1 base, 2 nuts, 3 placing boxes, 4 L-type fixed plates, 5 movable plates, 6 contiguous blocks, 7 pistons, 8 cylinders, 9 bullets
Spring, 10 relief valves, 11 tracheaes, 12 loop bars, 13 first push plates, 14 gears, 15 second push plates, 16 rubber fixture blocks, 17 sliding slots.
Embodiment
Below in conjunction with the attached drawing in the embodiment of the present invention, the technical solution in the embodiment of the present invention is carried out clear, complete
Site preparation describes, it is clear that described embodiment is only part of the embodiment of the present invention, instead of all the embodiments.
With reference to Fig. 1-2, a kind of self-locking device for rail clamping device, including base 1, the upper side wall of base 1 offer two
Screw thread mouth, the inner wall of two screw thread mouths are equipped with internal thread, are inserted with threaded rod in each screw thread mouth, each threaded rod it is outer
Wall is equipped with the external screw thread to match with internal thread, and the upper end of two threaded rods is respectively connected with nut 2, can by rotary nut 2
To screw in and can fix base 1 somewhere threaded rod, the upper side wall of base 1 is additionally provided with placing box 3, the both sides of placing box 3
Side wall is arranged with L-type fixed plate 4 and two movable plates 5, and the side wall of placing box 3 is run through simultaneously in one end of two L-type fixed plates 4
The inside of placing box 3 is extended to, one end of two movable plates 5 runs through the side wall of placing box 3 and extends to the inside of placing box 3,
Placing box 3 is internally provided with two loop bars 12, and movable plate 5 is located at one end in placing box 3 and is set on two loop bars 12, mobile
Plate 5 can hinge connection has fixed plate between one end that rotation, two movable plates 5 are located in placing box 3 on loop bar 12,
Movable plate 5 is rotated close to one end of fixed plate by hinge around fixed plate, and the lower wall of fixed plate is equipped with the first push plate 13, puts
The inside for putting case is additionally provided with four gears 14, and each two gear 14 is intermeshed and positioned at the both sides of the first push plate 13, first pushes away
The both sides side wall of plate 13 is equipped with the rack being meshed with gear 14, and side of each two gear 14 away from the first push plate 13 is all provided with
There is the second push plate 15, two the second push plates 15 are equipped with the rack being meshed with gear 14 close to the side of gear 14, work as gear
During 14 rotation, the first push plate 13 and the second push plate 15 can be driven to move, two the second push plates 15 run through close to 1 one end of base
Base 1 is simultaneously connected with rubber fixture block 16, and rubber fixture block 16 is difficult to slide when being clamped, and two L-type fixed plates 4 are located at placing box
One end in 3 offers sliding slot 17, and the diameter of sliding slot 17 is more than the diameter of the second push plate 15, easy to the second push plate 15 in sliding slot 17
Middle slip, two the second push plates 15 both pass through sliding slot, and the both ends of L-type fixed plate 4 and the both ends of movable plate 5 offer round mouth,
Shaft is inserted with each two round mouth, contiguous block 6 is arranged with two shafts, is connected on two 6 opposite side side walls of contiguous block
Piston 7 is connected to, piston 7 pulls contiguous block 6 to move, L-type fixed plate 4 and movable plate 5 can be driven to move, two pistons 7 are remote
One end of contiguous block 6 is connected with cylinder 8, and two pistons 7 run through the side wall of cylinder 8 close to one end of cylinder 8 and extend to gas
The inside of cylinder 8, two pistons, which are located between one end inside cylinder 8, is equipped with multiple springs 9, and cylinder 8 is equipped with relief valve 10, when
When pressure in cylinder 8 is excessive, relief valve 10, which is opened, reduces the pressure in cylinder 8, and the side wall of cylinder 8 is equipped with tracheae 11,
The one end of tracheae 11 away from cylinder 8 is connected with air blower, and one end of tracheae 11 connects through the side wall of cylinder 8 and the inside of cylinder 8
Logical, when power is off, the gas in air-blowing, cylinder 8 is not flowed away air blower by tracheae 11, and piston 7 is retracted cylinder 8 by spring 9
In, contiguous block 6 hauls L-type fixed plate 4 and movable plate 5 and is moved toward 8 side of cylinder, and movable plate 5 pushes the first push plate 13 toward moving down
Dynamic, band moving gear 14 rotates, and gear 14 drives two the second push plates 15 to move down, and rubber fixture block 16 is released clamping device.
In the present invention, base is fixed on the machine by rotary nut 2, when machine works normally, air blower is to cylinder 8
Interior air-blowing, promotes two pistons 7 to be moved toward the side away from spring 9, promotes contiguous block 6 to move, is connected on two contiguous blocks 6
L-type fixed plate 4 and movable plate 5 are unfolded, and when power is off, the gas in air-blowing, cylinder 8 is not flowed away air blower by tracheae 11,
Spring 9 retracts piston 7 in cylinder 8, and contiguous block 6 hauls L-type fixed plate 4 and movable plate 5 and moved toward 8 side of cylinder, movable plate 5
Push the first push plate 13 to move down, band moving gear 14 rotates, and gear 14 drives two the second push plates 15 to move down, by rubber
Fixture block 16 releases clamping device.
The foregoing is only a preferred embodiment of the present invention, but protection scope of the present invention be not limited thereto,
Any one skilled in the art the invention discloses technical scope in, technique according to the invention scheme and its
Inventive concept is subject to equivalent substitution or change, should be covered by the protection scope of the present invention.
Claims (6)
1. a kind of self-locking device for rail clamping device, including base（1）, it is characterised in that the base（1）Upper side wall open up
There are two screw thread mouths, the inner wall of two screw thread mouths is equipped with internal thread, and threaded rod is inserted with each screw thread mouth,
The outer wall of each threaded rod is equipped with the external screw thread to match with internal thread, and the upper end of two threaded rods is respectively connected with
Nut（2）, the base（1）Upper side wall be additionally provided with placing box（3）, the placing box（3）Both sides side wall be arranged with L
Type fixed plate（4）With two movable plates（5）, two L-type fixed plates（4）One end run through placing box（3）Side wall and prolong
Extend placing box（3）Inside, two movable plates（5）One end run through placing box（3）Side wall and extend to placing box
（3）Inside, the L-type fixed plate（4）Both ends and movable plate（5）Both ends offer round mouth, round mouth described in each two
Shaft is inside inserted with, contiguous block is arranged with two shafts（6）, two contiguous blocks（6）On opposite side side wall
It is connected with piston（7）, two pistons（7）Away from contiguous block（6）One end be connected with cylinder（8）, two pistons（7）
Close to cylinder（8）One end run through cylinder（8）Side wall and extend to cylinder（8）Inside, two pistons are located at
Cylinder（8）Multiple springs are equipped between internal one end（9）, the cylinder（8）It is equipped with relief valve（10）, the cylinder（8）
Side wall be equipped with tracheae（11）, the tracheae（11）One end run through cylinder（8）Side wall and cylinder（8）Inside connection.
A kind of 2. self-locking device for rail clamping device according to claim 1, it is characterised in that the tracheae（11）It is remote
Cylinder（8）One end be connected with air blower.
A kind of 3. self-locking device for rail clamping device according to claim 1, it is characterised in that the placing box（3）'s
It is internally provided with two loop bars（12）, the movable plate（5）Positioned at placing box（3）Interior one end is set in two loop bars（12）On.
A kind of 4. self-locking device for rail clamping device according to claim 1, it is characterised in that two movable plates
（5）Positioned at placing box（3）Hinge connection has fixed plate between interior one end, and the lower wall of the fixed plate is equipped with the first push plate
（13）, the inside of the placing box is additionally provided with four gears（14）, gear described in each two（14）It is intermeshed and is located at first
Push plate（13）Both sides, first push plate（13）Both sides side wall be equipped with and gear（14）The rack being meshed.
A kind of 5. self-locking device for rail clamping device according to claim 4, it is characterised in that gear described in each two
（14）Away from the first push plate（13）Side be equipped with the second push plate（15）, two second push plates（15）Close to gear（14）
Side be equipped with and gear（14）The rack being meshed.
A kind of 6. self-locking device for rail clamping device according to claim 5, it is characterised in that two second push plates
（15）Close to base（1）Base is run through in one end（1）And it is connected with rubber fixture block（16）, two L-type fixed plates（4）It is located at
Placing box（3）Interior one end offers sliding slot（17）, the sliding slot（17）Diameter be more than the second push plate（15）Diameter, two
Second push plate（15）Both pass through sliding slot.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711049017.6A CN107973216A (en) | 2017-10-31 | 2017-10-31 | A kind of self-locking device for rail clamping device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711049017.6A CN107973216A (en) | 2017-10-31 | 2017-10-31 | A kind of self-locking device for rail clamping device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107973216A true CN107973216A (en) | 2018-05-01 |
Family
ID=62012982
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711049017.6A Pending CN107973216A (en) | 2017-10-31 | 2017-10-31 | A kind of self-locking device for rail clamping device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107973216A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108907043A (en) * | 2018-07-06 | 2018-11-30 | 重庆市忠县齐声五金加工有限责任公司 | A kind of c-type that job stability is strong nail nail machine |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103552917A (en) * | 2013-11-12 | 2014-02-05 | 湖州洋西起重设备有限公司 | Self-locking rail clamping device |
-
2017
- 2017-10-31 CN CN201711049017.6A patent/CN107973216A/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103552917A (en) * | 2013-11-12 | 2014-02-05 | 湖州洋西起重设备有限公司 | Self-locking rail clamping device |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108907043A (en) * | 2018-07-06 | 2018-11-30 | 重庆市忠县齐声五金加工有限责任公司 | A kind of c-type that job stability is strong nail nail machine |
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| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20180501 |
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| RJ01 | Rejection of invention patent application after publication |