CN113280714B - Random extraction type width detector for bridge protection safety fence - Google Patents
Random extraction type width detector for bridge protection safety fence Download PDFInfo
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- CN113280714B CN113280714B CN202110694473.6A CN202110694473A CN113280714B CN 113280714 B CN113280714 B CN 113280714B CN 202110694473 A CN202110694473 A CN 202110694473A CN 113280714 B CN113280714 B CN 113280714B
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- 238000000605 extraction Methods 0.000 title claims abstract description 10
- 238000001514 detection method Methods 0.000 claims abstract description 25
- 230000006835 compression Effects 0.000 claims description 54
- 238000007906 compression Methods 0.000 claims description 54
- 230000002159 abnormal effect Effects 0.000 abstract description 7
- 230000000694 effects Effects 0.000 abstract description 3
- 238000003466 welding Methods 0.000 description 3
- 230000000903 blocking effect Effects 0.000 description 2
- 230000001681 protective effect Effects 0.000 description 2
- 230000005484 gravity Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B5/00—Measuring arrangements characterised by the use of mechanical techniques
- G01B5/02—Measuring arrangements characterised by the use of mechanical techniques for measuring length, width or thickness
- G01B5/04—Measuring arrangements characterised by the use of mechanical techniques for measuring length, width or thickness specially adapted for measuring length or width of objects while moving
- G01B5/046—Measuring arrangements characterised by the use of mechanical techniques for measuring length, width or thickness specially adapted for measuring length or width of objects while moving for measuring width
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/30—Adapting or protecting infrastructure or their operation in transportation, e.g. on roads, waterways or railways
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Train Traffic Observation, Control, And Security (AREA)
- Refuge Islands, Traffic Blockers, Or Guard Fence (AREA)
Abstract
The invention relates to the field of bridge guardrail detection, in particular to a random extraction type width detector for a bridge protection safety fence, which comprises a support frame, a guide rail plate, a guide plate, a safety fence pull-out assembly, a limiting assembly and the like; the support frame is welded with a guide rail plate, one end of the guide rail plate is fixedly connected with a guide plate, the guide rail plate is fixedly provided with a safety fence pull-out assembly, and the limiting assembly is arranged on the guide plate. Through the effect of friction strip, hinder the rotary disk of pivoted, make rotary disk and last device turned angle be uncertain factor, lead to strutting the pole and wedge contact position at every turn different, strutting the pole and can promote wedge and last device to move towards keeping away from the guide rail board direction at different times, abnormal shape gag lever post is not blocked the push plate in uncertain time for the drag hook drives one of them bridge rail guard at random and moves towards keeping away from the baffle direction, has realized the purpose that can carry out width detection to the bridge rail guard at random.
Description
Technical Field
The invention relates to the field of bridge guardrail detection, in particular to a random extraction type width detector for a bridge protection safety fence.
Background
The guardrail is visible everywhere in life, and is an industrial 'guard rail', and the bridge guardrail is arranged on a bridge, so that accidents such as a vehicle breaking through, wearing down, crossing the bridge or entering a opposite lane can be reduced, the function of correctly changing the running direction of the vehicle can be realized, the variety of the bridge guardrail is various, and the function of beautifying the bridge building can be realized.
After bridge guardrail production and processing is accomplished, need carry out width detection to the bridge guardrail, the bridge guardrail that most factories adopted artifical random extraction to produce carries out width detection, and the inspector detects the bridge guardrail through instrument and naked eye, produces the error easily, leads to the detection data inaccurate.
Disclosure of Invention
The invention aims to provide a bridge protection safety fence random extraction type width detector which can randomly extract a bridge protection fence and can detect the width of the bridge protection fence, so as to solve the problem that errors are easy to generate in manual detection in the background technology, and detection data are inaccurate.
The technical implementation scheme of the invention is as follows: the utility model provides a bridge protection safety fence random extraction formula width detection machine, including the support frame, the guide rail board, the baffle, safety fence pull out the subassembly, spacing subassembly, pushing component, intermittent type struts the subassembly, push away from subassembly and width detection subassembly, the welding has the guide rail board on the support frame, guide rail board one end fixedly connected with baffle, fixed mounting has safety fence pull out the subassembly on the guide rail board, spacing subassembly sets up on the baffle, pushing component locates on the spacing subassembly, intermittent type struts the subassembly setting on the baffle, push away from the subassembly and locate on the support frame, slidingtype connection has width detection subassembly on the support frame.
Further, the safety fence pull-out assembly comprises a limiting movable plate, a pushing plate, a reset spring, an electric push rod, a slotting guide plate, a draw hook, a first torsion spring and a starting switch, wherein the limiting movable plate is connected to the guide rail plate in a sliding mode, the pushing plate is arranged on the top surface of the limiting movable plate, one side of the pushing plate is connected with the reset spring, one end of the reset spring is fixedly connected with the guide rail plate, the electric push rod is fixedly mounted on the guide rail plate, the slotting guide plate is fixedly connected to the telescopic shaft of the electric push rod, the slotting guide plate is connected with the pushing plate in a clamping sleeve mode, the draw hook is connected to the limiting movable plate in a rotating mode, a pair of first torsion springs are connected between the draw hook and the limiting movable plate, and the starting switch is fixedly mounted on the guide rail plate.
Further, the limiting assembly comprises a guide sleeve, a special-shaped limiting rod and a first compression spring, the guide sleeve is fixedly arranged above the guide plate, the guide plate is connected with the special-shaped limiting rod in a sliding mode, the special-shaped limiting rod is connected with the guide sleeve in a clamping sleeve type, the first compression spring is fixedly connected to the special-shaped limiting rod, and one end of the first compression spring is connected with the guide plate.
Further, the pushing assembly comprises an overrunning clutch, a rotating disc, support plates, wedge-shaped blocks and soft springs, the overrunning clutch is fixedly arranged on the special-shaped limiting rod, one end of an output shaft of the overrunning clutch is provided with the rotating disc, one side of the rotating disc is fixedly provided with a pair of support plates, the wedge-shaped blocks are connected onto the support plates in a sliding mode, the soft springs are connected onto the wedge-shaped blocks, and one end of each soft spring is fixedly connected with each support plate.
Further, the intermittent type struts the subassembly and includes wedge strip, first extension spring, swing groove pole, first ratchet, second ratchet, rotation axis, ratchet and struts the pole, wedge strip is connected on the baffle with movable mode, fixedly connected with first extension spring on the wedge strip, first extension spring one end and baffle hookup, the swing groove pole is connected with in the baffle rotation, swing groove pole and wedge spacing cooperation, the last rotation of swing groove pole is connected with first ratchet, the same rotation of second ratchet is connected with the rotation axis on the swing groove pole, rotation axis one end fixedly connected with ratchet, ratchet and first ratchet contact each other, ratchet contacts each other with the second ratchet equally, ratchet one side welding has struts the pole, strut pole one end and rotary disk one side contact each other.
The pushing assembly comprises a guiding movable groove plate, a sliding plate, a guide rod, a second compression spring, a third compression spring, an L-shaped strip, a pushing rack, a rotating gear, a friction strip, a guiding limiting block and a fourth compression spring, wherein the guiding movable groove plate is fixedly arranged on a supporting frame, a trapezoid groove is arranged on the guiding movable groove plate, the sliding plate is connected to the grooved guide plate in a sliding mode, the guide rod is connected to the sliding plate in a lifting mode, the second compression spring is fixedly connected to the guide rod, one end of the second compression spring is connected with the sliding plate, the grooved guide plate is connected with the third compression spring, one end of the third compression spring is also connected with the sliding plate, the L-shaped strip is welded above the special-shaped limiting rod, the pushing rack is welded below the wedge-shaped strip, the rotating gear is arranged at one end of an overrunning clutch input shaft, the friction strip is arranged on the special-shaped limiting rod, the guiding movable groove plate is connected with the guiding limiting block in a sliding mode, the fourth compression spring is connected to the bottom end of the guiding limiting block, and one end of the fourth compression spring is connected with the guiding movable groove plate.
Further, the width detection assembly comprises a supporting plate, a fifth compression spring, a pushing block strip, a second tension spring, a supporting strip, a third tension spring, a supporting plate and a second torsion spring, wherein the supporting frame is symmetrically and slidably connected with the supporting plate, the two supporting plates are mutually contacted, the fifth compression spring is welded on the supporting plate, one end of the fifth compression spring is connected with the supporting frame, the pushing block strip is symmetrically and slidably connected with the supporting frame, the second tension spring is connected onto the pushing block strip, one end of the second tension spring is fixedly connected with the supporting frame, the supporting strip is symmetrically and slidably connected onto the supporting frame, the supporting strip is mutually contacted with the pushing block strip, the third tension spring is fixedly connected onto the supporting strip, one end of the third tension spring is connected with the supporting frame, the supporting frame is rotatably connected with two supporting plates, the supporting plates are mutually contacted with the supporting strip, the bottom surface of the supporting plate is flush with the top surface of the supporting plate, and a pair of second torsion springs are connected between the supporting plate and the supporting frame.
The invention has the following advantages:
through the motion of abnormal shape gag lever post towards keeping away from the guide rail board direction, abnormal shape gag lever post no longer blocks the push plate, and the reset of stretched reset spring drives the push plate and its upper device and moves towards keeping away from the baffle direction for the drag hook drives one of them bridge rail guard and moves towards keeping away from the baffle direction, makes bridge rail guard carry out width detection in the backup pad.
Through the effect of friction strip, hinder the rotary disk of pivoted, make rotary disk and last device turned angle be uncertain factor, lead to strutting the pole and wedge contact position at every turn different, strutting the pole and can promote wedge and last device to move towards keeping away from the guide rail board direction at different times, abnormal shape gag lever post is not blocked the push plate in uncertain time for the drag hook drives one of them bridge rail guard at random and moves towards keeping away from the baffle direction, has realized the purpose that can carry out width detection to the bridge rail guard at random.
The two support plates can not block the bridge guard rail through the supporting plates and can not be in contact with the pushing block strips, and the purpose of judging whether the width of the bridge guard rail meets the standard is achieved.
Drawings
Fig. 1 is a schematic perspective view of a first embodiment of the present invention.
Fig. 2 is a schematic perspective view of a second embodiment of the present invention.
Fig. 3 is a schematic perspective view of a first part of the present invention.
Fig. 4 is a schematic perspective view of a second part of the present invention.
Fig. 5 is a schematic perspective view of a first portion of the safety bar pull assembly of the present invention.
Fig. 6 is a schematic perspective view of a second part of the safety bar pulling assembly of the present invention.
Fig. 7 is a schematic perspective view of a third portion of the safety bar pull assembly of the present invention.
Fig. 8 is a schematic perspective view of a limiting assembly according to the present invention.
Fig. 9 is a schematic view of a portion of a pushing assembly according to the present invention.
Fig. 10 is a schematic perspective view of a third portion of the present invention.
Fig. 11 is a schematic perspective view of an intermittent spreader assembly according to the present invention.
Fig. 12 is a schematic perspective view of a first portion of the push-away assembly of the present invention.
Fig. 13 is a schematic perspective view of a second part of the push-away assembly of the present invention.
Fig. 14 is a schematic perspective view of a width detection assembly according to the present invention.
Fig. 15 is a schematic partial perspective view of a width detection assembly according to the present invention.
In the above figures: 1: support frame, 2: guide rail plate, 3: guide plate, 4: safety bar pull out assembly, 41: limiting movable plate, 42: push plate, 43: return spring, 44: electric putter, 45: slotted guide plate, 46: drag hook, 47: first torsion spring, 49: starting a switch, 5: limit component, 51: guide sleeve, 52: abnormal shape gag lever post, 53: first compression spring, 6: pushing assembly, 61: overrunning clutch, 62: rotating disk, 63: support plate, 64: wedge block, 65: soft spring, 7: intermittent spreader assembly, 71: wedge bar, 72: first extension spring, 73: swing groove lever, 74: first ratchet, 75: second ratchet bar, 76: rotation axis, 77: ratchet, 78: distracting rod, 8: push away assembly, 81: guiding movable groove plate, 82: sliding plate, 83: guide bar, 84: second compression spring, 85: third compression spring, 86: l-shaped bar, 87: pushing rack, 88: rotating gear, 89: friction bar, 810: guide stopper, 811: fourth compression spring, 9: width detection assembly, 91: spreader plate, 92: fifth compression spring, 93: push bar, 94: second extension spring, 95: support bar, 96: third extension spring, 97: support plate, 98: and a second torsion spring.
Detailed Description
The invention is further described with reference to the following detailed drawings in order to make the technical means, the creation characteristics, the achievement of the purpose and the effect of the implementation of the invention easy to understand.
Examples: the utility model provides a bridge protection safety fence random extraction formula width detection machine, as shown in fig. 1-15, including support frame 1, guide rail plate 2, baffle 3, safety fence pull-out subassembly 4, spacing subassembly 5, pushing component 6, intermittent type struts subassembly 7, push away subassembly 8 and width detection subassembly 9, the welding has guide rail plate 2 on the support frame 1, guide rail plate 2 one end fixedly connected with baffle 3, fixed mounting has the safety fence pull-out subassembly 4 that is used for pulling out the bridge protection fence on the guide rail plate 2, spacing subassembly 5 sets up on baffle 3, pushing component 6 locates on spacing subassembly 5, intermittent type struts subassembly 7 setting on baffle 3, push away subassembly 8 and locate on support frame 1, sliding connection has the width detection subassembly 9 that is used for carrying out width detection to the bridge protection fence on the support frame 1.
The safety fence pull-out assembly 4 comprises a limiting movable plate 41, a pushing plate 42, a return spring 43, an electric push rod 44, a slotted guide plate 45, a draw hook 46, a first torsion spring 47 and a starting switch 49, wherein the limiting movable plate 41 is connected to the guide rail plate 2 in a sliding mode, the pushing plate 42 is arranged on the top surface of the limiting movable plate 41, one side of the pushing plate 42 is connected with the return spring 43, one end, far away from the pushing plate 42, of the return spring 43 is fixedly connected with the guide rail plate 2, the electric push rod 44 is fixedly arranged on the guide rail plate 2, far away from the guide plate 3, a slotted guide plate 45 is fixedly connected to a telescopic shaft of the electric push rod 44, the slotted guide plate 45 is connected with the pushing plate 42 in a clamping sleeve mode, the slotted guide plate 45 is used for driving the pushing plate 42 and a device on the push plate to move towards the direction close to the guide plate 3, the draw hook 46 is rotatably connected to the limiting movable plate 41, the draw hook 46 is used for hooking the bridge guard, a pair of the first torsion springs 47 between the draw hook 46 and the limiting movable plate 41, and the starting switch 49 is fixedly arranged on the guide rail plate 2.
The limiting assembly 5 comprises a guide sleeve 51, a special-shaped limiting rod 52 and a first compression spring 53, wherein the guide sleeve 51 is fixedly arranged above the guide plate 3, the guide plate 3 is connected with the special-shaped limiting rod 52 in a sliding mode, the special-shaped limiting rod 52 is connected with the guide sleeve 51 in a clamping sleeve mode, the special-shaped limiting rod 52 is used for blocking the pushing plate 42, the first compression spring 53 is fixedly connected to the special-shaped limiting rod 52, and one end, away from the special-shaped limiting rod 52, of the first compression spring 53 is connected with the guide plate 3.
The pushing assembly 6 comprises an overrunning clutch 61, a rotating disc 62, support plates 63, wedge blocks 64 and soft springs 65, the overrunning clutch 61 is fixedly arranged on the special-shaped limiting rod 52, one end of an output shaft of the overrunning clutch 61 is provided with the rotating disc 62, one side of the rotating disc 62 is fixedly provided with a pair of support plates 63, the support plates 63 are connected with the wedge blocks 64 in a sliding mode, the wedge blocks 64 are connected with the soft springs 65, and one end, far away from the wedge blocks 64, of each soft spring 65 is fixedly connected with the support plates 63.
The intermittent opening assembly 7 comprises a wedge-shaped strip 71, a first extension spring 72, a swinging groove rod 73, a first ratchet strip 74, a second ratchet strip 75, a rotating shaft 76, a ratchet wheel 77 and an opening rod 78, wherein the wedge-shaped strip 71 is movably connected to the guide plate 3, the first extension spring 72 is fixedly connected to the wedge-shaped strip 71, one end of the first extension spring 72 far away from the wedge-shaped strip 71 is connected with the guide plate 3, the swinging groove rod 73 is rotatably connected to the guide plate 3, the swinging groove rod 73 is in limit fit with the wedge-shaped strip 71, the swinging groove rod 73 far away from the wedge-shaped strip 71 is rotatably connected with the first ratchet strip 74, the second ratchet strip 75 is rotatably connected to the swinging groove rod 73 far away from the wedge-shaped strip 71, the rotating shaft 76 is rotatably connected to the guide plate 3, one end of the rotating shaft 76 far away from the guide plate 3 is fixedly connected with the ratchet wheel 77, the ratchet wheel 77 is in contact with the first ratchet strip 74, the ratchet wheel 77 is also in contact with the second ratchet strip 75, the cooperation of the first ratchet wheel 74 and the second ratchet strip 75 can drive the ratchet wheel 77 to rotate, one side of the ratchet wheel 77 is welded with the wedge-shaped strip 71 to be in limit fit, the swinging rod 78 is used for pushing one side of the wedge-shaped strip 64 to move relative to one side of the wedge-shaped strip 64.
The push-away assembly 8 comprises a guide movable groove plate 81, a sliding plate 82, a guide rod 83, a second compression spring 84, a third compression spring 85, an L-shaped strip 86, a pushing rack 87, a rotary gear 88, a friction strip 89, a guide limiting block 810 and a fourth compression spring 811, wherein the guide movable groove plate 81 is fixedly arranged on the support frame 1, a trapezoid groove is formed in the guide movable groove plate 81, a sliding plate 82 is connected onto the slotted guide plate 45 in a sliding manner, the guide rod 83 is connected onto the sliding plate 82 in a lifting manner, the second compression spring 84 is fixedly connected onto the guide rod 83, one end of the second compression spring 84 far away from the guide rod 83 is connected with the sliding plate 82, the third compression spring 85 is connected onto the slotted guide plate 45, one end of the third compression spring 85 far away from the slotted guide plate 45 is also connected with the sliding plate 82, the L-shaped strip 86 is welded above the special limiting block 52, the guide rod 83 is used for pushing the L-shaped strip 86 and an upper device thereof to move towards the direction far away from the guide plate 2, the wedge-shaped strip 71 below the guide plate 3 is welded, one end of the input shaft 61 far away from the rotary disc 62 is provided with a limit block 89, one end of the rotary gear 88 is arranged on the special-shaped shaft far away from the rotary clutch 61 is used for blocking the special-shaped strip 61, the special-shaped strip 88 is connected with the limiting block 89, the limit block 810 is used for rotating the special-shaped strip is connected with the special-shaped limiting block 52, the special-shaped strip 52 is used for rotating the special-shaped strip limiting block rod 52, the special-shaped strip is welded blank is welded, the special-shaped strip 86 is welded, the special-shaped guide rod is arranged on the special-shaped guide rod is arranged 3, the special guide rod is 3, the special-shaped guide device is.
The width detection assembly 9 comprises a supporting plate 91, a fifth compression spring 92, a pushing block strip 93, a second tension spring 94, a supporting strip 95, a third tension spring 96, a supporting plate 97 and a second torsion spring 98, wherein the supporting plate 1 is symmetrically and slidably connected with the supporting plate 91, the two supporting plates 91 are in contact with each other, the supporting plate 91 is used for detecting the width of a bridge guard rail, the supporting plate 91 is used for pushing the pushing block strip 93 to move relatively, the fifth compression spring 92 is welded on the supporting plate 91, one end of the fifth compression spring 92 far away from the supporting plate 91 is connected with the supporting plate 1, the supporting plate 1 is symmetrically and slidably connected with the pushing block strip 93, one end of the second tension spring 94 far away from the pushing block strip 93 is fixedly connected with the supporting plate 1, the supporting strip 95 is symmetrically and slidably connected with the supporting plate 95, the supporting plate 95 is mutually contacted with the supporting plate 93, the supporting plate 93 is used for pushing the supporting plate 95 to move towards the direction far away from 3, one end of the third tension spring 96 is connected with the supporting plate 1, the supporting plate 1 is rotatably connected with the supporting plate 1, the supporting plate 97 is connected with the supporting plate 97 through the supporting plate 97, the supporting plate 97 is mutually contacted with the supporting plate 97, and the supporting plate 97 is mutually contacted with the supporting plate 98, and the bridge guard rail 97 is mutually contacts with the supporting plate 97.
When the width detection needs to be carried out on the bridge guard rail at random, the bridge guard rail which needs to be detected is continuously transported towards the direction close to the guide rail plate 2 through an external conveying belt, a worker manually controls the electric push rod 44 to stretch, the electric push rod 44 stretches to drive the slotted guide plate 45 to move towards the direction close to the guide plate 3, the slotted guide plate 45 drives the push plate 42 and the upper device of the push plate 42 to move towards the direction close to the guide plate 3, the reset spring 43 is stretched, and when the drag hook 46 and the bridge guard rail are in contact with each other, the bridge guard rail can push the drag hook 46 to swing. Under the action of the guiding movable groove plate 81, the guiding limiting block 810 blocks the guiding rod 83, the guiding rod 83 and the sliding plate 82 move towards the direction away from the guiding rail plate 2, the third compression spring 85 is compressed, the second compression spring 84 in a stretching state resets to drive the guiding rod 83 to move downwards to reset, then the guiding rod 83 can push the L-shaped strip 86 and the upper device thereof to move towards the direction away from the guiding rail plate 2, the slotted guiding plate 45 drives the pushing plate 42 and the upper device thereof to move towards the direction close to the guiding plate 3 continuously, the compressed third compression spring 85 resets to drive the guiding rod 83 and the sliding plate 82 to move towards the direction close to the guiding rail plate 2, and then the compressed first compression spring 53 resets to drive the special-shaped limiting rod 52 and the upper device thereof to move towards the direction close to the guiding rail plate 2.
When the pushing plate 42 moves towards the direction close to the guide plate 3 to be in contact with the special-shaped limiting rod 52, the pushing plate 42 pushes the special-shaped limiting rod 52 and an upper device thereof to move away from the guide rail plate 2, then the pushing plate 42 is separated from the special-shaped limiting rod 52, the compressed first compression spring 53 resets to drive the special-shaped limiting rod 52 and the upper device thereof to move towards the direction close to the guide rail plate 2 to reset, the special-shaped limiting rod 52 blocks the pushing plate 42, and meanwhile, the drag hook 46 is separated from the bridge guard rail, and the compressed first torsion spring 47 resets to drive the drag hook 46 to swing and reset, so that the drag hook 46 hooks a bridge guard rail.
Then, the worker manually controls the electric push rod 44 to retract, and the electric push rod 44 retracts to drive the slotted guide plate 45 to move away from the guide plate 3. The conveyer belt is continuously towards being close to the bridge rail guard 2 direction transportation bridge rail guard, the bridge rail guard of back can promote preceding bridge rail guard to be close to the direction motion of guide rail plate 2, bridge rail guard can promote wedge bar 71 to be far away from support frame 1 direction motion, first extension spring 72 is stretched, when bridge rail guard and wedge bar 71 separation, first extension spring 72 that is stretched resets and drives wedge bar 71 to be close to support frame 1 direction motion, cooperation through first extension spring 72 and bridge rail guard makes wedge bar 71 left and right reciprocating motion, thereby wedge bar 71 can promote the reciprocal swing of swinging groove pole 73, and then first ratchet 74 swing can promote ratchet 77 rotation, make strut pole 78 rotate and wedge block 64 mutual contact, strut pole 78 promotes wedge block 64 and upper device towards being far away from guide rail plate 2 direction motion, clutch 61 drives abnormal shape gag lever 52 towards being far away from guide rail plate 2 direction motion, abnormal shape gag lever 52 no longer keeps up push plate 42, reset spring 43 that is reset and drives push plate 42 and upper device towards being far away from 3 direction motion, make wherein drag hook 46 drive bridge rail guard 3 and strut bridge rail guard 97 can be far away from guide plate 91, can be moved to the bridge rail guard 93, if bridge rail guard can be prevented from moving down by bridge rail guard to the bridge rail guard to reach the limit plate 91 relatively, bridge rail guard can reach the limit plate 93 moves, and bridge rail guard can be prevented from moving down to the bridge rail guard is moved to the bridge rail guard is reached to the bridge rail guard has been moved. When the ratchet wheel 77 continues to rotate and the opening rod 78 rotates to be separated from the wedge block 64, the compressed first compression spring 53 resets to drive the special-shaped limiting rod 52 and the device thereon to move and reset towards the direction approaching the guide rail plate 2. If the bridge protective guard is wider in size, the supporting plate 91 moves relatively to push the pushing block strip 93, so that the pushing block strip 93 pushes the supporting strip 95 to move towards the direction away from the guide plate 3, the supporting strip 95 does not block the supporting strip 97 any more, the supporting strip 97 swings downwards under the influence of gravity, the bridge protective guard with wider size falls downwards, the fifth compressed spring 92 resets to drive the supporting strip 91 to move relatively for resetting, the second stretched spring 94 resets to drive the pushing block strip 93 to move relatively for resetting, the pushing block strip 93 is separated from the supporting strip 95, the third compressed stretched spring 96 resets to drive the supporting strip 95 to move towards the direction close to the guide plate 3 for resetting, and the second compressed torsion spring 98 resets to drive the supporting strip 97 to swing upwards for resetting.
When the pushing plate 42 moves and resets in the direction away from the guide plate 3, the pushing plate 42 presses the starting switch 49, the starting switch 49 controls the electric push rod 44 to extend, the electric push rod 44 extends to drive the slotted guide plate 45 to move in the direction approaching to the guide plate 3, the guide rod 83 moves along the trapezoid slot of the guide movable slotted plate 81, the guide rod 83 pushes the L-shaped strip 86 and an upper device thereof to move in the direction away from the guide plate 2, the rotating gear 88 is meshed with the pushing gear 87, when the wedge-shaped strip 71 drives the pushing gear 87 to move in the direction away from the support frame 1, the pushing gear 87 drives the rotating gear 88 to rotate, the overrunning clutch 61 does not transmit power to the rotating disc 62 at the moment, when the wedge-shaped strip 71 drives the pushing gear 87 to move in the direction approaching to the support frame 1, the pushing gear 87 drives the rotating gear 88 to rotate, the rotating disc 62 and the upper device thereof rotate anticlockwise through the overrunning clutch 61, when the expanding rod 78 and the wedge block 64 are contacted with each other, the expanding rod 78 pushes the wedge block 64 to move relatively, then the expanding rod 78 is separated from the wedge block 64, the compressed soft spring 65 resets to drive the wedge block 64 to move relatively, the rotating disc 62 is blocked by the action of the friction strip 89, the rotating angle of the rotating disc 62 and an upper device thereof is an uncertain factor, the expanding rod 78 and the wedge block 64 are caused to have different contact positions each time, the expanding rod 78 pushes the wedge block 64 and the upper device thereof to move in a direction away from the guide rail plate 2 at different time, the special-shaped limiting rod 52 does not block the pushing plate 42 in uncertain time, the drag hook 46 randomly drives one bridge rail guard to move in a direction away from the guide plate 3, the purpose of randomly detecting the width of the bridge rail guard is realized, repeating the operation, and randomly detecting the width of the bridge guard rail.
The foregoing has shown and described the basic principles and main features of the present invention and the advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present invention, and various changes and modifications may be made without departing from the spirit and scope of the invention, which is defined in the appended claims. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (2)
1. A random extraction type width detector for a bridge protection safety fence is characterized in that: the device comprises a support frame, a guide rail plate, a guide plate, a safety fence pull-out assembly, a limiting assembly, a pushing assembly, an intermittent opening assembly, a pushing assembly and a width detection assembly, wherein the guide rail plate is welded on the support frame; the safety fence pull-out assembly comprises a limiting movable plate, a pushing plate, a reset spring, an electric push rod, a slotting guide plate, a draw hook, a first torsion spring and a starting switch, wherein the limiting movable plate is connected to the guide rail plate in a sliding mode; the limiting assembly comprises a guide sleeve, a special-shaped limiting rod and a first compression spring, the guide sleeve is fixedly arranged above the guide plate, the guide plate is connected with the special-shaped limiting rod in a sliding mode, the special-shaped limiting rod is connected with the guide sleeve in a clamping sleeve type, the special-shaped limiting rod is fixedly connected with the first compression spring, and one end of the first compression spring is connected with the guide plate; the pushing assembly comprises an overrunning clutch, a rotating disc, support plates, wedge blocks and soft springs, wherein the overrunning clutch is fixedly arranged on the special-shaped limiting rod, one end of an output shaft of the overrunning clutch is provided with the rotating disc, one side of the rotating disc is fixedly provided with a pair of support plates, the wedge blocks are connected onto the support plates in a sliding manner, the soft springs are connected onto the wedge blocks, and one end of each soft spring is fixedly connected with each support plate; the intermittent opening assembly comprises a wedge-shaped strip, a first tension spring, a swinging groove rod, a first ratchet strip, a second ratchet strip, a rotating shaft, a ratchet wheel and an opening rod, wherein the wedge-shaped strip is movably connected to the guide plate; the pushing component comprises a guide movable groove plate, a sliding plate, a guide rod, a second compression spring, a third compression spring, an L-shaped strip, a pushing rack, a rotary gear, a friction strip, a guide limiting block and a fourth compression spring, wherein the guide movable groove plate is fixedly arranged on the support frame, a trapezoid groove is formed in the guide movable groove plate, the sliding plate is connected to the grooved guide plate in a sliding mode, the guide rod is connected to the sliding plate in a lifting mode, the second compression spring is fixedly connected to the guide rod, one end of the second compression spring is connected with the sliding plate, the third compression spring is connected to the grooved guide plate, one end of the third compression spring is also connected with the sliding plate, the L-shaped strip is welded above the special-shaped limiting rod, the pushing rack is welded below the wedge-shaped strip, the rotary gear is arranged at one end of the input shaft of the overrunning clutch, the friction strip is arranged on the special-shaped limiting rod, the guide movable groove plate is connected with the guide limiting block in a sliding mode, the fourth compression spring is connected to the bottom end of the guide limiting block, and one end of the fourth compression spring is connected to the guide movable groove plate.
2. The bridge guard rail random extraction type width detector according to claim 1, wherein: the width detection assembly comprises a supporting plate, a fifth compression spring, a pushing block strip, a second extension spring, supporting strips, a third extension spring, supporting plates and a second torsion spring, wherein the supporting frames are symmetrically and slidably connected with the supporting plates, the two supporting plates are mutually contacted, the fifth compression spring is welded on the supporting plates, one end of the fifth compression spring is connected with the supporting frames, the pushing block strip is symmetrically and slidably connected with the supporting frames, the second extension spring is connected onto the pushing block strip, one end of the second extension spring is fixedly connected with the supporting frames, the supporting strips are symmetrically and slidably connected onto the supporting frames, the supporting strips are mutually contacted with the pushing block strip, the third extension spring is fixedly connected onto the supporting strips, one end of the third extension spring is connected with the supporting frames, the supporting frames are rotationally connected with the two supporting plates, the two supporting plates are mutually contacted with the supporting strips, the bottom surfaces of the supporting plates are flush with the top surfaces of the supporting plates, and a pair of second torsion springs are connected between the supporting plates and the supporting frames.
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| CN202110694473.6A CN113280714B (en) | 2021-06-22 | 2021-06-22 | Random extraction type width detector for bridge protection safety fence |
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| CN202110694473.6A CN113280714B (en) | 2021-06-22 | 2021-06-22 | Random extraction type width detector for bridge protection safety fence |
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| CN113280714B true CN113280714B (en) | 2023-12-01 |
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| CN113280714A (en) | 2021-08-20 |
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