CN110331661B - Pier detection device based on electromagnetic spring - Google Patents
Pier detection device based on electromagnetic spring Download PDFInfo
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- CN110331661B CN110331661B CN201811373758.4A CN201811373758A CN110331661B CN 110331661 B CN110331661 B CN 110331661B CN 201811373758 A CN201811373758 A CN 201811373758A CN 110331661 B CN110331661 B CN 110331661B
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D22/00—Methods or apparatus for repairing or strengthening existing bridges ; Methods or apparatus for dismantling bridges
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D19/00—Structural or constructional details of bridges
- E01D19/02—Piers; Abutments ; Protecting same against drifting ice
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D19/00—Structural or constructional details of bridges
- E01D19/10—Railings; Protectors against smoke or gases, e.g. of locomotives; Maintenance travellers; Fastening of pipes or cables to bridges
- E01D19/106—Movable inspection or maintenance platforms, e.g. travelling scaffolding or vehicles specially designed to provide access to the undersides of bridges
Abstract
The invention provides a pier detection device based on an electromagnetic spring type, which comprises an upper clamping mechanism, a lower clamping mechanism and a traction mechanism, wherein the upper clamping mechanism and the lower clamping mechanism have the same structure; the upper clamping mechanism comprises a shell, an upper clamping body and a lower clamping body, wherein a ring top plate of the upper clamping body is fixedly arranged on a top fixed ring plate, and the lower clamping body can move up and down along the axial direction in the shell; the clamping electromagnet is electrified and the magnetic force adsorbs the clamping iron block to enable the lower clamping body to move upwards axially, and the wedge-shaped pushing head pushes the clamping body to move inwards in the radial direction to clamp the pier; the traction electromagnet is electrified to attract the traction iron block, and the traction iron block pulls the traction rope to enable the lower clamping mechanism to axially move relative to the upper clamping mechanism. The device provided by the invention adopts a strong mechanical clamping mechanism to clamp the pier, can bear a large dead weight, does not slip in the detection process, and has good stability.
Description
Technical Field
The invention belongs to the field of bridge pier detection, relates to a bridge pier detection device, and particularly relates to a bridge pier detection device based on an electromagnetic spring type.
Background
Modern times, china's traffic has had large-scale development, no matter be high-speed railway or bridge, the overpass based on pier establishment is indispensable, but to the detection of pier, pier detection is mostly for artificial band resiliometer or radar detection at present, with the help of high altitude construction car platform or crane platform, go up the people hoist and mount and detect, and is with high costs, and receive the topography restriction, can't drive into the region to hoist such as mountain area and be difficult to use, can't realize the periodic detection of pier structure security, also can't in time maintain, influence bridge security. It is essential to provide a pier detecting device. The applications of the climbing device in other fields are very many, there are a climbing device with a vertical ladder, a climbing device with a double helix, a climbing device with wheels, and the like, but the following disadvantages occur when the climbing device is applied to pier detection: 1. because the bearing weight of the bridge piers is different and the diameter and the size of each bridge pier are different, the application range of each crawling device in the traditional mode is narrow; 2. the traditional crawling device is large in size and complex in crawling mechanism, a power mechanism uses a motor, and is not easy to achieve water prevention, however, the bridge pier needs underwater detection and needs water prevention; 3. the traditional crawling mechanism only plays a crawling role, bears a small weight and cannot carry equipment with large mass for detection. 4. The traditional crawling mechanism and the clamping mechanism are difficult to realize automatic control.
Disclosure of Invention
In view of the above disadvantages and drawbacks of the prior art, an object of the present invention is to provide a pier detecting device based on an electromagnetic spring, which solves the technical problem that the detecting device in the prior art is easy to slip under a condition of a large bearing capacity.
In order to solve the technical problem, the application adopts the following technical scheme:
the electromagnetic spring type pier detection device comprises a pier detection sensor, an upper clamping mechanism, a lower clamping mechanism and a traction mechanism, wherein the upper clamping mechanism and the lower clamping mechanism have the same structure;
the upper clamping mechanism comprises a shell, an upper clamping body and a lower clamping body, wherein the shell, the upper clamping body and the lower clamping body are divided into two symmetrical parts by taking an axial plane where the diameter is located as a dividing plane, the adjacent ends of the two symmetrical parts of the upper clamping body are connected through a hinge, and the adjacent other ends of the two symmetrical parts of the upper clamping body are detachably connected through a connecting end plate;
the adjacent ends of the two symmetrical parts of the lower clamping body are connected through a hinge, and the adjacent other ends of the two symmetrical parts of the lower clamping body are detachably connected through a connecting end plate;
the two ends of the shell are open, a top fixing ring plate is fixedly connected to the top end of the shell, a bottom limiting ring plate is fixedly connected to the bottom end of the shell, a ring top plate of the upper clamping body is fixedly installed on the top fixing ring plate, the lower clamping body is sleeved in the shell between the upper clamping body and the bottom limiting ring plate, and the lower clamping body can move up and down in the shell along the axial direction;
the upper clamping body comprises an annular top plate, an inner annular wall and an outer annular wall which are coaxially arranged, the top ends of the inner annular wall and the outer annular wall are fixedly connected with the annular top plate, a clamping cavity with an open bottom end is arranged between the inner annular wall and the outer annular wall, and a channel between the annular top plate and the center of the inner annular wall is an upper bridge pier channel;
a plurality of clamping support body mounting holes are symmetrically processed on the inner ring wall, a clamping support body is mounted in each clamping support body mounting hole, each clamping support body comprises a radial push rod matched with the clamping support body mounting hole, one end, extending into an upper bridge pier channel, of each radial push rod is provided with a clamping push head matched with the bridge pier, and the other end, located in a clamping cavity, of each radial push rod is provided with an upper inclined plane;
a plurality of clamping electromagnets fixedly connected to the bottom surface of the annular top plate are arranged in the clamping cavity;
a plurality of mounting holes are symmetrically processed on the annular top plate;
the lower clamping body comprises a ring bottom plate, a channel in the center of the ring bottom plate is a lower pier channel, and the lower pier channel and the upper pier channel are coaxially arranged and have the same inner diameter;
a plurality of wedge-shaped pushing heads matched with the clamping support bodies are symmetrically arranged on the top surface of the ring bottom plate, and lower inclined surfaces matched with the upper inclined surfaces are arranged on the wedge-shaped pushing heads;
a plurality of clamping iron blocks matched with the clamping electromagnets are symmetrically arranged on the top surface of the ring bottom plate; the clamping electromagnet is electrified and the magnetic force adsorbs the clamping iron block to enable the lower clamping body to move upwards axially, and the wedge-shaped pushing head pushes the clamping support body to move inwards in the radial direction to clamp the pier;
a plurality of spring through holes which are coaxial with the mounting holes are symmetrically processed on the top surface of the ring bottom plate;
the traction mechanism comprises a traction shaft arranged in a mounting hole of the upper clamping mechanism, a through rope running hole is processed in the traction shaft along the axial direction, a traction electromagnet is arranged on a part, extending out of a ring top plate of the upper clamping mechanism, of the traction shaft, close to the ring top plate, and a traction iron block capable of moving by taking the traction shaft as a guide rail is sleeved on the traction shaft;
one end of the traction shaft extending into the clamping cavity is fixed with one end of an axial return spring, and the other end of the axial return spring penetrates through a spring penetrating hole of the upper clamping mechanism and is fixed on a mounting hole on a ring top plate of the lower clamping mechanism; one end of a traction rope is fixedly arranged on the traction iron block, and the other end of the traction rope penetrates through the rope running hole and penetrates through the axial return spring to be fixed on a mounting hole in the annular top plate of the lower clamping mechanism; the traction electromagnet is electrified to attract the traction iron block, and the traction iron block pulls the traction rope to enable the lower clamping mechanism to axially move relative to the upper clamping mechanism;
the pier detection sensor is arranged in the upper pier channel.
The invention also has the following technical characteristics:
the inner wall of the shell is provided with a guide groove along the axial direction, and the side wall of the lower clamping body is provided with a guide rail matched with the guide groove.
And a return spring is arranged between the radial push rod and the inner ring wall.
And a rubber layer is arranged on the clamping pushing head.
The radial push rod divide into installation section and flexible section, flexible section suit is locked through fastening bolt in the installation section for the length of radial push rod can be adjusted, flexible section links to each other with pressing from both sides tight pusher head.
And a rope running groove is processed at the end part of the traction shaft extending out of the annular top plate of the upper clamping mechanism.
The traction iron block comprises an inner iron block and an outer iron block, a sliding channel matched with the traction shaft is processed in the center of the inner iron block, a limiting flange is arranged at one end, away from the traction electromagnet, of the inner iron block, the outer iron block is sleeved on the inner iron block, and the limiting flange limits the outer iron block; the height of the inner iron block is greater than that of the outer iron block,
the traction iron block is of a multi-stage structure, the outer iron block is further sleeved with an outer iron block and is limited through a limiting flange, the height of the outer iron block is sequentially reduced from inside to outside step by step, and the traction rope is fixed in a traction rope mounting hole of the outer iron block on the outermost side.
Compared with the prior art, the invention has the beneficial technical effects that:
the device disclosed by the invention adopts a strong mechanical clamping mechanism to clamp the pier, can bear a large dead weight, cannot slip in the detection process, and has good stability.
The underwater detection device disclosed by the invention provides power by combining the electromagnet and the spring, is simple to work, and can be made into a waterproof device because no waterproof materials such as a motor and the like are used, so that the underwater detection of the pier is realized.
(III) the device has adaptability to variable-diameter piers, can realize the clamping function of the variable-diameter piers only by adjusting the length of the clamping support body for piers with different diameter specification ranges, and has the advantages of wide application range, simple operation, small volume and light weight.
(IV) the device of the invention can realize the traction and clamping functions of the electromagnet only by controlling the on-off of the electromagnet, so the automation is easy to realize.
The device of the invention replaces manual detection, and solves the problems of low efficiency of manual detection and danger of high-altitude operation or underwater operation.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention.
Fig. 2 is a top view of the present invention.
Fig. 3 is a schematic view of the internal structure of the upper clamping mechanism.
Fig. 4 is a schematic structural view of the housing.
Fig. 5 is a schematic view of the structure of the upper clamp body.
Fig. 6 is a schematic view of the structure of the lower clamp body.
Fig. 7 is a schematic view of the structure of the clamping support.
Fig. 8 is a schematic view of the internal structure of the traction mechanism.
Fig. 9 is a schematic view of the structure of the traction mechanism located outside the ring top plate.
Fig. 10 is a schematic view of the internal structure of the traction mechanism located outside the ring top plate.
Fig. 11 is a schematic structural view of a traction iron block.
Fig. 12 is a schematic view of the internal structure of the traction iron block.
The meaning of the individual reference symbols in the figures is: 1-an upper clamping mechanism, 2-a lower clamping mechanism, 3-a traction mechanism and 4-a pier detection sensor;
101-shell, 102-upper clamping body, 103-lower clamping body, 104-hinge, 105-connecting end plate, 106-top fixed ring plate, 107-bottom limiting ring plate, 108-guide groove, 109-guide rail;
10201-a ring top plate, 10202-an inner ring wall, 10203-an outer ring wall, 10204-a clamping cavity, 10205-an upper pier channel, 10206-a clamping support body mounting hole, 10207-a clamping support body, 10208-an upper inclined plane, 10209-a clamping electromagnet, 10210-a mounting hole and 10211-a reset spring;
1020701-radial push rod, 1020702-clamping push head, 1020703-rubber layer;
102070101-mounting section, 102070102-telescopic section, 102070103-fastening bolt;
10301-ring bottom plate, 10302-lower bridge pier channel, 10303-wedge shaped push head, 10304-lower inclined plane, 10305-clamping iron block, and 10306-spring through hole;
301-a traction shaft, 302-a rope-passing hole, 303-a traction electromagnet, 304-a traction iron block, 305-an axial return spring, 306-a traction rope, 307-a rope-passing groove and 308-a traction rope mounting hole;
30401-internal iron block. 30402-external iron block. 30403-sliding channel. 30404-stop flange.
The details of the present invention are explained in further detail below with reference to the drawings and examples.
Detailed Description
The following embodiments of the present invention are provided, and it should be noted that the present invention is not limited to the following embodiments, and all equivalent changes based on the technical solutions of the present invention are within the protection scope of the present invention.
Example 1:
according to the technical scheme, the pier detection device based on the electromagnetic spring type is provided in the embodiment, as shown in fig. 1 to 12, the pier detection device comprises a pier detection sensor, an upper clamping mechanism 1, a lower clamping mechanism 2 and a traction mechanism 3, wherein the upper clamping mechanism 1 and the lower clamping mechanism 2 are the same in structure;
the upper clamping mechanism 1 comprises a shell 101, an upper clamping body 102 and a lower clamping body 103, wherein the shell 101, the upper clamping body 102 and the lower clamping body 103 are all divided into two symmetrical parts by taking an axial plane with the diameter as a dividing plane, the adjacent ends of the two symmetrical parts of the shell 101 are connected through a hinge 104, and the adjacent other ends of the two symmetrical parts of the shell 101 are detachably connected through a connecting end plate 105; the adjacent ends of the two symmetrical parts of the lower clamping body 103 are connected through a hinge 104, and the adjacent other ends of the two symmetrical parts of the lower clamping body 103 are detachably connected through a connecting end plate 105;
the two ends of the shell 101 are open, a top fixing ring plate 106 is fixedly connected to the top end of the shell 101, a bottom limiting ring plate 107 is fixedly connected to the bottom end of the shell 101, a ring top plate 10201 of the upper clamping body 102 is fixedly mounted on the top fixing ring plate 106, the lower clamping body 103 is sleeved in the shell 101 between the upper clamping body 102 and the bottom limiting ring plate 107, and the lower clamping body 103 can move up and down in the shell 101 along the axial direction;
the upper clamping body 102 comprises a ring top plate 10201, an inner ring wall 10202 and an outer ring wall 10203 which are coaxially arranged, the top ends of the inner ring wall 10202 and the outer ring wall 10203 are fixedly connected with the ring top plate 10201, a clamping cavity 10204 with an open bottom end is arranged between the inner ring wall 10202 and the outer ring wall 10203, and a channel between the ring top plate 10201 and the center of the inner ring wall 10202 is an upper bridge abutment channel 10205;
a plurality of clamping support body mounting holes 10206 are symmetrically processed on the inner ring wall 10202, a clamping support body 10207 is mounted in each clamping support body mounting hole 10206, each clamping support body 10207 comprises a radial push rod 1020701 matched with the clamping support body mounting hole 10206, one end, extending into an upper pier channel 10205, of the radial push rod 1020701 is provided with a clamping push head 1020702 matched with a pier, and the other end, located in a clamping cavity 10204, of the radial push rod 1020701 is provided with an upper inclined plane 10208;
a plurality of clamping electromagnets 10209 fixedly connected to the bottom surface of the top ring plate 10201 are arranged in the clamping cavity 10204;
a plurality of mounting holes 10210 are symmetrically processed on the ring top plate 10201;
the lower clamping body 103 comprises a ring bottom plate 10301, a channel in the center of the ring bottom plate 10301 is a lower pier channel 10302, and the lower pier channel 10302 and an upper pier channel 10205 are coaxially arranged and have the same inner diameter;
a plurality of wedge-shaped push heads 10303 matched with the clamping bodies are symmetrically arranged on the top surface of the ring bottom plate 10301, and lower inclined surfaces 10304 matched with the upper inclined surfaces are arranged on the wedge-shaped push heads 10303;
a plurality of clamping iron blocks 10305 matched with the clamping electromagnets 10209 are symmetrically arranged on the top surface of the ring bottom plate 10301; the clamping electromagnet 10209 is electrified and then magnetically adsorbs the clamping iron block 10305, so that the lower clamping body 103 moves upwards in the axial direction, and the wedge-shaped push head 10303 pushes the clamping support 10207 to move inwards in the radial direction to clamp the pier;
a plurality of spring through holes 10306 which are coaxially arranged with the mounting holes 10210 are symmetrically processed on the top surface of the ring bottom plate 10301;
the traction mechanism 3 comprises a traction shaft 301 arranged in an installation hole 10210 of the upper clamping mechanism 1, a through rope walking hole 302 is processed in the traction shaft 301 along the axial direction, a traction electromagnet 303 is arranged on a part, extending out of a ring top plate 10201 of the upper clamping mechanism 1, of the traction shaft 301, close to the ring top plate 10201, and a traction iron block 304 capable of moving by taking the traction shaft 301 as a guide rail is sleeved on the traction shaft 301;
one end of the traction shaft 301 extending into the clamping cavity 10204 is fixed with one end of an axial return spring 305, and the other end of the axial return spring 305 passes through a spring through hole 10306 of the upper clamping mechanism 1 and is fixed on a mounting hole 10210 on a ring top plate 10201 of the lower clamping mechanism 2; one end of a traction rope 306 is fixedly arranged on the traction iron block 304, and the other end of the traction rope 306 passes through the rope running hole 302 and the axial return spring 305 to be fixed on a mounting hole 10210 on a ring top plate 10201 of the lower clamping mechanism 2; the traction electromagnet 303 is electrified and magnetically adsorbs the traction iron block 304, and the traction iron block 304 pulls the traction rope 306 to enable the lower clamping mechanism 2 to axially move relative to the upper clamping mechanism 1;
the pier detecting sensor 4 is installed in the upper pier passage 10205.
As a preferable mode of this embodiment, the pier detection sensor 4 is installed on the clamping push head 1020702 in the upper pier passage 10205, and is closer to the pier, so that the detection result is more accurate. The pier detection sensor 4 can select a corresponding pier detection common sensor or a data acquisition device, such as a sonar probe, according to the needs.
In a preferred embodiment of the present invention, the adjacent ends of the two symmetrical portions of the upper clamp body 102 are connected by a hinge 104, and the adjacent ends of the two symmetrical portions of the upper clamp body 102 are detachably connected by a connecting end plate 105. The whole device can be conveniently divided into two halves through the hinge 104, and the device is conveniently and quickly installed on a pier and is also convenient to detach. The connecting end plate 105 of the upper clamping body 102 and the connecting end plate 105 of the shell 201 can be stacked together and fixedly connected through bolts.
As a preferable scheme of this embodiment, the inner wall of the housing 101 is provided with a guide groove 108 along the axial direction, and the side wall of the lower clamping body 103 is provided with a guide rail 109 which is matched with the guide groove 108. Make lower clamp body 103 can not be along circumferential direction in the axial repetitive motion process, guarantee the accurate correspondence between each spare part from top to bottom.
As a preferable solution of this embodiment, a return spring 10211 is installed between the radial push rod 1020701 and the inner annular wall 10202. Facilitating quick resetting of the entire clamp support 10207.
As a preferable solution of this embodiment, a rubber layer 1020703 is disposed on the clamping pusher 1020702. The rubber layer 1020703 plays a buffering role, so that the clamping push head 1020702 can be better attached and fixed with a pier, a certain anti-skidding effect is achieved, and the overall bearing capacity is improved.
As a preferable solution of this embodiment, the radial push rod 1020701 is divided into a mounting section 102070101 and a telescopic section 102070102, the telescopic section 102070102 is sleeved in the mounting section 102070101 and locked by a fastening bolt 102070103, so that the length of the radial push rod 1020701 can be adjusted, and the telescopic section 102070102 is connected to the clamping push head 1020702. The telescopic adjustment can be better suitable for various piers.
As a preferable scheme of this embodiment, the end of the traction shaft 301 extending out of the ring top plate 10201 of the upper clamping mechanism 1 is processed with a rope guiding groove 307 for better rope distribution and uniform force application.
As a preferable scheme of this embodiment, the traction iron block includes an inner iron block 30401 and an outer iron block 30402, a sliding channel 30403 matched with the traction shaft 301 is processed in the center of the inner iron block 30401, a limit flange 30404 is arranged at one end of the inner iron block 30401 far away from the traction electromagnet 303, the outer iron block 30402 is sleeved on the inner iron block 30401, and the limit flange 30404 limits the outer iron block 30402; the height of the inner iron block 30401 is greater than the height of the outer iron block 30402. More preferably, the pulling iron block 304 is a multi-stage structure, the outer iron block 30402 is further sleeved with an outer iron block and is limited by a limiting flange, the heights of the multi-stage outer iron blocks are sequentially reduced from inside to outside step by step, and the pulling rope 306 is fixed in the pulling rope mounting hole 308 of the outermost outer iron block.
The multistage structure can increase the traction stroke of haulage rope 306, and the electromagnet 303 that pulls simultaneously can step by step magnetic force adsorb and pull iron plate 304, also can guarantee simultaneously to pull between electromagnet 303 and the iron plate 304 that can not influence the adsorption efficiency because of the distance is too far away.
Before use, the device of the invention is installed according to the following steps:
first, the upper clamp body 102 of the upper and lower clamp mechanisms 1 and 2 is installed, the fastening bolt of the connection end plate 105 portion of the upper clamp body 102 is opened, the upper clamp body 102 is placed on the pier, and the fastening bolt is further fixed.
Secondly, according to the diameter of the pier, the relative positions of the installation section 102070101 and the telescopic section 102070102 are further adjusted by adjusting the fastening bolt 102070103, so that the purpose of adjusting the length of the clamping body 10207 is further achieved, and the clamping push head 1020702 is enabled to be at a proper clamping position away from the surface of the pier.
Third, the lower clamp body 103 is installed, the fastening bolt of the portion of the lower clamp body 103 to which the end plate 105 is connected is opened, the lower clamp body 103 is installed on the pier, and the fastening bolt is further fixed.
Fourthly, the housing 101 is installed, the top fixing ring plate 106 and the ring top plate 10201 of the upper clamp body 102 are connected into a whole through fixing bolts, the integrity of the matching of the guide groove 108 and the guide rail 109 is checked, and the guide rail 109 can slide up and down in the guide groove 108.
And step five, opening the pier detection sensor 4 and starting to detect the pier.
When the device is used, the method comprises the following steps:
sixthly, energizing a clamping electromagnet 10209 on the upper clamping mechanism 1, attracting a clamping iron block 10305 of the upper clamping mechanism 1, moving the lower clamping body 103 upwards at the moment, and enabling the wedge-shaped push head 10303 to push the clamping support 10207 upwards into the pier channel 10205 through the matching of the upper inclined surface 10208 and the lower inclined surface 10304, so that the rubber layer 1020703 is attached to the surface of the pier, and the upper clamping mechanism 1 is clamped on the pier. At this time, the lower clamp mechanism 1 is not clamped with the pier.
Seventhly, the traction electromagnet 303 of the traction mechanism 3 is electrified, the inner iron block 30401 is attracted, when the inner iron block 30401 is in contact with the traction electromagnet 303, the outer iron block 30402 moves on the inner iron block 30401 and is continuously attracted, the traction rope 306 connected to the outer iron block 30402 is driven to be pulled, the traction rope 306 performs traction movement, the axial return spring 305 is compressed, and meanwhile, the lower clamping mechanism 2 is driven to ascend relative to the upper clamping mechanism 1.
And eighthly, after the traction of the traction mechanism 3 is finished, electrifying the lower clamping mechanism 2 by adopting the method the same as that of the sixth step to enable the upper clamping mechanism 1 to be clamped on the pier.
In the ninth step, the clamping electromagnet 10209 of the upper clamping mechanism 1 is de-energized, the clamping support 10207 returns to the initial position by the compressed restoring spring 10211, and at the same time, the lower clamping body 103 is released and falls onto the bottom limit ring plate 107, and the upper clamping mechanism 1 is separated from the pier and is in an unclamped state. The process of separation between the lower clamping mechanism and the pier is the same. Meanwhile, the resilience force of the compressed axial return spring 305 pushes the upper clamping mechanism 1 upwards, and a creeping climbing process along the pier is completed.
And step ten, repeating the processes from the sixth step to the ninth step, and continuously switching on and off the electromagnet until climbing to the extreme position of the pier and not rising any more.
And step eleven, after detection is finished, the whole device descends. In the descending process, the upper clamping mechanism 1, the lower clamping mechanism 2 and the pier are clamped and separated in the same mode as the creeping type climbing process, the difference is that only the lower clamping mechanism 2 and the pier are clamped firstly, the upper clamping mechanism 1 and the pier are separated firstly, then the traction mechanism 3 pulls, so that the upper clamping mechanism 1 moves downwards relative to the lower clamping mechanism 2, meanwhile, the axial reset spring 305 is compressed, finally, the upper clamping mechanism 1 and the pier are clamped, the lower clamping mechanism 2 and the pier are separated, the lower clamping mechanism 2 pushes the lower clamping mechanism 2 downwards by the resilience force of the compressed axial reset spring 305, and the creeping type descending process along the pier is completed.
And a twelfth step of repeating the process of the eleventh step, and continuously switching on and off the electromagnet until the electromagnet descends to the bottom position of the pier, so that the operation flow of the electromagnetic spring type pier detection device is further realized.
Claims (1)
1. The electromagnetic spring type pier detection device comprises a pier detection sensor (4), and is characterized by further comprising an upper clamping mechanism (1), a lower clamping mechanism (2) and a traction mechanism (3), wherein the upper clamping mechanism (1) and the lower clamping mechanism (2) have the same structure;
the upper clamping mechanism (1) comprises a shell (101), an upper clamping body (102) and a lower clamping body (103), the shell (101), the upper clamping body (102) and the lower clamping body (103) are divided into two symmetrical parts by taking an axial plane where the diameter is located as a dividing plane, adjacent ends of the two symmetrical parts of the upper clamping body (102) are connected through a hinge (104), and the adjacent other ends of the two symmetrical parts of the upper clamping body (102) are detachably connected through a connecting end plate (105); the adjacent ends of the two symmetrical parts of the lower clamping body (103) are connected through a hinge (104), and the adjacent other ends of the two symmetrical parts of the lower clamping body (103) are detachably connected through a connecting end plate (105);
the two ends of the shell (101) are open, a top fixing ring plate (106) is fixedly connected to the top end of the shell (101), a bottom limiting ring plate (107) is fixedly connected to the bottom end of the shell (101), a ring top plate (10201) of the upper clamping body (102) is fixedly installed on the top fixing ring plate (106), the lower clamping body (103) is sleeved in the shell (101) between the upper clamping body (102) and the bottom limiting ring plate (107), and the lower clamping body (103) can move up and down in the shell (101) along the axial direction;
the upper clamping body (102) comprises a top ring plate (10201), an inner ring wall (10202) and an outer ring wall (10203) which are coaxially arranged, the top ends of the inner ring wall (10202) and the outer ring wall (10203) are fixedly connected with the top ring plate (10201), a clamping cavity (10204) with an open bottom end is arranged between the inner ring wall (10202) and the outer ring wall (10203), and a channel between the top ring plate (10201) and the center of the inner ring wall (10202) is an upper bridge abutment channel (10205);
a plurality of clamping support body mounting holes (10206) are symmetrically processed on the inner ring wall (10202), a clamping support body (10207) is mounted in each clamping support body mounting hole (10206), each clamping support body (10207) comprises a radial push rod (1020701) matched with the clamping support body mounting hole (10206), one end, extending into an upper pier channel (10205), of each radial push rod (1020701) is provided with a clamping push head (1020702) matched with a pier, and the other end, located in a clamping cavity (10204), of each radial push rod (1020701) is provided with an upper inclined surface (10208);
a plurality of clamping electromagnets (10209) fixedly connected to the bottom surface of the top ring plate (10201) are arranged in the clamping cavity (10204);
a plurality of mounting holes (10210) are symmetrically processed on the annular top plate (10201);
the lower clamping body (103) comprises a ring bottom plate (10301), a channel in the center of the ring bottom plate (10301) is a lower pier channel (10302), and the lower pier channel (10302) and an upper pier channel (10205) are coaxially arranged and have the same inner diameter;
a plurality of wedge-shaped push heads (10303) matched with the clamping bodies are symmetrically distributed on the top surface of the ring bottom plate (10301), and lower inclined surfaces (10304) matched with the upper inclined surfaces are arranged on the wedge-shaped push heads (10303);
a plurality of clamping iron blocks (10305) matched with the clamping electromagnets (10209) are symmetrically arranged on the top surface of the ring bottom plate (10301); the clamping electromagnet (10209) is electrified and magnetically adsorbs the clamping iron block (10305) to enable the lower clamping body (103) to move upwards in the axial direction, and the wedge-shaped push head (10303) pushes the clamping body (10207) to move inwards in the radial direction to clamp the pier;
a plurality of spring through holes (10306) which are coaxially arranged with the mounting holes (10210) are symmetrically processed on the top surface of the ring bottom plate (10301);
the traction mechanism (3) comprises a traction shaft (301) arranged in an installation hole (10210) of the upper clamping mechanism (1), a through rope running hole (302) is processed in the traction shaft (301) along the axial direction, a traction electromagnet (303) is arranged at a position, close to a ring top plate (10201), on a part, extending out of the ring top plate (10201) of the upper clamping mechanism (1), of the traction shaft (301), and a traction iron block (304) capable of moving by taking the traction shaft (301) as a guide rail is further sleeved on the traction shaft (301);
one end of the traction shaft (301) extending into the clamping cavity (10204) is fixed with one end of an axial return spring (305), and the other end of the axial return spring (305) penetrates through a spring through hole (10306) of the upper clamping mechanism (1) and is fixed on a mounting hole (10210) on a ring top plate (10201) of the lower clamping mechanism (2); one end of a traction rope (306) is fixedly arranged on the traction iron block (304), and the other end of the traction rope (306) penetrates through the rope running hole (302) and penetrates through an axial return spring (305) to be fixed on a mounting hole (10210) on a ring top plate (10201) of the lower clamping mechanism (2); the traction electromagnet (303) adsorbs a traction iron block (304) through electromagnetic force, and the traction iron block (304) pulls the traction rope (306) to enable the lower clamping mechanism (2) to axially move relative to the upper clamping mechanism (1);
the traction iron block (304) comprises an inner iron block (30401) and an outer iron block (30402), a sliding channel (30403) matched with the traction shaft (301) is machined in the center of the inner iron block (30401), a limiting flange (30404) is arranged at one end, away from the traction electromagnet (303), of the inner iron block (30401), the outer iron block (30402) is sleeved on the inner iron block (30401), and the limiting flange (30404) limits the outer iron block (30402); the height of the inner iron block (30401) is greater than that of the outer iron block (30402);
the pier detection sensor (4) is arranged in the upper pier channel (10205);
a guide groove (108) is axially arranged on the inner wall of the shell (101), and a guide rail (109) matched with the guide groove (108) is arranged on the side wall of the lower clamping body (103);
a return spring (10211) is arranged between the radial push rod (1020701) and the inner ring wall (10202);
a rubber layer (1020703) is arranged on the clamping pushing head (1020702);
the radial push rod (1020701) is divided into a mounting section (102070101) and a telescopic section (102070102), the telescopic section (102070102) is sleeved in the mounting section (102070101) and locked by a fastening bolt (102070103), so that the length of the radial push rod (1020701) can be adjusted, and the telescopic section (102070102) is connected with the clamping push head (1020702);
a rope running groove (307) is processed at the end part of the traction shaft (301) extending out of a ring top plate (10201) of the upper clamping mechanism (1);
the traction iron block (304) is of a multi-stage structure, the outer iron block (30402) is further sleeved with the outer iron block and limited through a limiting flange, the heights of the multi-stage outer iron blocks are sequentially reduced from inside to outside step by step, and the traction rope (306) is fixed in a traction rope mounting hole (308) of the outer iron block on the outermost side.
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811373758.4A CN110331661B (en) | 2018-11-19 | 2018-11-19 | Pier detection device based on electromagnetic spring |
| LU101876A LU101876B1 (en) | 2018-11-19 | 2019-02-14 | Bridge pier testing device |
| PCT/CN2019/075024 WO2020103344A1 (en) | 2018-11-19 | 2019-02-14 | Electromagnetic spring-based pier test device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811373758.4A CN110331661B (en) | 2018-11-19 | 2018-11-19 | Pier detection device based on electromagnetic spring |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110331661A CN110331661A (en) | 2019-10-15 |
| CN110331661B true CN110331661B (en) | 2021-02-05 |
Family
ID=68138879
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811373758.4A Active CN110331661B (en) | 2018-11-19 | 2018-11-19 | Pier detection device based on electromagnetic spring |
Country Status (3)
| Country | Link |
|---|---|
| CN (1) | CN110331661B (en) |
| LU (1) | LU101876B1 (en) |
| WO (1) | WO2020103344A1 (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110886215B (en) * | 2019-12-16 | 2021-11-09 | 创辉达设计股份有限公司 | Bridge detection structure and detection method thereof |
| CN111673931B (en) * | 2020-06-10 | 2022-05-27 | 浦江一本工贸有限公司 | Automatic blanking equipment based on quartzy cutting |
| CN111969546B (en) * | 2020-09-03 | 2021-08-06 | 山东辰之翼信息科技有限公司 | Power line connecting device |
| CN113984806B (en) * | 2021-12-29 | 2022-03-08 | 山东东研智能科技有限公司 | Radial detection auxiliary device for circumferential welded joint of pressure pipeline |
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| CN2396935Y (en) * | 1999-12-10 | 2000-09-20 | 上海交通大学 | Pneumatic peristaltic cable robot climbing device |
| CN201437247U (en) * | 2009-01-21 | 2010-04-14 | 重庆大学 | Robot capable of crawling cable |
| CN105965524A (en) * | 2016-07-13 | 2016-09-28 | 国家电网公司 | Patrolling robot of iron tower and working method thereof |
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| KR100544273B1 (en) * | 2005-10-13 | 2006-01-23 | 조병철 | Apparatus for checking the pier |
| CN200988488Y (en) * | 2006-12-12 | 2007-12-12 | 深圳市思韦尔检测科技有限公司 | Cable detection robot |
| CN201251554Y (en) * | 2008-07-08 | 2009-06-03 | 武汉理工大学 | Deepwater pier detection device |
| JP2012082629A (en) * | 2010-10-13 | 2012-04-26 | Nakanihon Highway Engineering Nagoya Kk | Wall surface climbing device |
| CN203420219U (en) * | 2013-06-26 | 2014-02-05 | 重庆市中检建筑工程质量检测有限公司 | Pier appearance damage detection device |
| GB201415334D0 (en) * | 2014-08-29 | 2014-10-15 | Reece Innovation Ct Ltd | Improvement in or relating to crawlers |
| CN105000079A (en) * | 2015-08-06 | 2015-10-28 | 中国林业科学研究院林业新技术研究所 | Climbing robot |
| CN205205657U (en) * | 2015-09-29 | 2016-05-04 | 吴华军 | A pier detection device for high mound bridge |
| CN106314583B (en) * | 2016-09-18 | 2018-11-30 | 三峡大学 | Articulated type pole-climbing detects robot |
| CN106764244B (en) * | 2017-01-11 | 2018-10-30 | 扬州大学 | A kind of magnetic suspension pipe robot |
| CN106948254B (en) * | 2017-03-30 | 2019-05-17 | 长安大学 | A kind of Bridge Seismic Buffer Unit and monitoring system |
| CN206953025U (en) * | 2017-07-31 | 2018-02-02 | 蔡相辰 | Underwater manipulator |
| CN207484285U (en) * | 2017-11-03 | 2018-06-12 | 张华斌 | A kind of Bridge Pier quality detection device |
| CN207987729U (en) * | 2017-12-21 | 2018-10-19 | 香港中文大学（深圳） | A kind of cable detecting robot |
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2018
- 2018-11-19 CN CN201811373758.4A patent/CN110331661B/en active Active
-
2019
- 2019-02-14 WO PCT/CN2019/075024 patent/WO2020103344A1/en active Application Filing
- 2019-02-14 LU LU101876A patent/LU101876B1/en active IP Right Grant
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS60209370A (en) * | 1984-04-02 | 1985-10-21 | Hitachi Ltd | Pipe transfer device |
| CN2396935Y (en) * | 1999-12-10 | 2000-09-20 | 上海交通大学 | Pneumatic peristaltic cable robot climbing device |
| CN201437247U (en) * | 2009-01-21 | 2010-04-14 | 重庆大学 | Robot capable of crawling cable |
| CN105965524A (en) * | 2016-07-13 | 2016-09-28 | 国家电网公司 | Patrolling robot of iron tower and working method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| LU101876A1 (en) | 2020-07-07 |
| CN110331661A (en) | 2019-10-15 |
| LU101876B1 (en) | 2020-10-26 |
| WO2020103344A1 (en) | 2020-05-28 |
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