CN202746581U - Quick-open type hanging support - Google Patents
Quick-open type hanging support Download PDFInfo
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- CN202746581U CN202746581U CN201220419273.6U CN201220419273U CN202746581U CN 202746581 U CN202746581 U CN 202746581U CN 201220419273 U CN201220419273 U CN 201220419273U CN 202746581 U CN202746581 U CN 202746581U
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- pull bar
- screw thread
- adjustment device
- length adjustment
- elastic sleeve
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Abstract
The utility model provides a quick-open type hanging support, and belongs to the field of chemical equipment. The quick-open type hanging support comprises a hanging arm (5) and an adjustable structure (7). The hanging arm (5) comprises a horizontal portion (5a), a vertical portion (5b) and an annular connection board (5c), wherein the horizontal portion (5a) is in parallel with the ground, the vertical portion (5b) is perpendicular to the ground, and the lower end of the vertical portion (5b) is detachably installed on a manhole flange (20). One end of the horizontal portion (5a) is welded with the upper end of the vertical portion (5b) into a whole through the annular connection board (5c), the horizontal portion (5a) is connected with a manhole cover (21) through the adjustable structure, and the adjustable structure can enable the manhole cover (21) to move along the horizontal direction, the vertical direction and the direction perpendicular to the axis of the manhole cover (21).
Description
Technical field
The utility model belongs to the chemical industry equipment field, is specifically related to a kind of quick-open type hanging hanging bracket, is used for hanging the non-band plug of installation or removal manhole cover at the non-radially manhole that the vertical pressure vessel cylindrical shell is offered.
Background technique
Manhole is to use widely one of parts in the chemical industry equipment, because the non-band plug manhole cover quality of pairing large (generally greater than 30 kilograms) for the convenience of installing and overhauling, need arrange the manhole davit.The pressurized container type that common needs arrange the manhole davit has tower and tank etc.In addition, the equipment such as the large tank of low pressure, normal pressure tank and feed bin etc. in most cases also need arrange the manhole cover davit owing to reasons such as maintenance.
For vertical vessel, what usually adopt when the manhole of offering at cylindrical shell need to be installed manhole cover is as Figure 1-1 common vertical manhole cover davit.Yet the axis of the non-radially manhole of establishing at cylindrical shell directly uses the manhole davit installation or removal manhole cover among Fig. 1-1 to have problems horizontal by an angle greater than zero degree this moment, and its subject matter is:
1. when the installation or removal manhole cover, that is hanging manhole cover hangs arm under action of gravitation, can rotate along the center line of hanging the arm end, and the plane that rotation forms and the angle of horizontal plane are the angle of people's centerline hole and cylindrical shell center line.Hence one can see that, and when the cylindrical shell angle is larger, davit is easier to be rotated, and this rotation needs the operator to go to overcome, therefore inconvenient operation not only, and certain potential safety hazard is arranged.
2. hang between arm end and the manhole cover and connect with suspension ring, this connection is rotary, therefore when the manhole bolt is in place, need the operator to adjust the deflection of manhole cover so that the bolt hole center of manhole cover aligns with the bolt hole center of manhole flange, relatively difficulty is installed.
3. manhole cover needs at first to move along the axial direction of manhole flange and could realize dismantling and installation, but the support of hanging among Fig. 1-1 just can't head it off.
For described first problem, existing a solution is the support of hanging shown in Fig. 1-2: a horizontal slide rail that is welded on the cylindrical shell is being set above the manhole, vertical hanging one chain from the slide rail, this chain links to each other with manhole cover, moves by the chain-driving manhole cover that moves along slide rail.But still there is following problem in this scheme:
1. when the dismounting manhole cover, manhole cover can need the operator to adjust the deflection of manhole cover so that the bolt hole center of manhole cover aligns with the bolt hole center of manhole flange along the chain ends rotation under action of gravitation, and relatively difficulty is installed;
2. the length of chain need to satisfy: bolt hole center's alignment when manhole cover and manhole flange installation in position, therefore, chain length is an accurate numerical value, difficult realization in the reality.
The model utility content
The purpose of this utility model is to solve a difficult problem that exists in the above-mentioned prior art, a kind of quick-open type hanging hanging bracket is provided, manhole cover can be moved with Vertical direction in the horizontal direction, it can not rotate under Action of Gravity Field, realizes that manhole cover is regulated with Vertical direction in the horizontal direction, realization is non-with plug manhole cover bolt hole center's Accurate align when non-band plug manhole cover self rotation, the non-band plug manhole cover of realization and manhole flange installation in position are regulated separately, prevented to the axial direction of manhole.
The utility model is achieved through the following technical solutions:
A kind of quick-open type hanging hanging bracket, for the non-manhole cover 21 with plug of non-radially manhole on the cylindrical shell of installation or removal pressurized container, described quick-open type hanging hanging bracket comprises hangs arm 5 and adjustable structure 7;
The described arm 5 of hanging comprises horizontal component 5a parallel to the ground and vertical part 5b and annular connecting plate 5c perpendicular to the ground, and the lower end of described vertical part 5b is removably mounted on the manhole flange 20; The end of described horizontal component 5a welds together into as a whole with the upper end of vertical part 5b by annular connecting plate 5c;
Described horizontal component 5a is connected with manhole cover 21 by described adjustable structure 7, and adjustable structure 7 can make manhole cover 21 along continuous straight runs, Vertical direction and move perpendicular to the axial direction of manhole cover 21.
Described adjustable structure 7 comprises the first length adjustment device, the second length adjustment device, the 3rd length adjustment device and the 4th length adjustment device that is rigidity;
The first end of described the first length adjustment device is articulated in the first place on the described horizontal component 5a by bearing part 6, and the first end of described the second length adjustment device is articulated in the second place on the described horizontal component 5a by another bearing part 6;
Described the 4th length adjustment device is installed between the first length adjustment device and the second length adjustment device, its first end articulates or is articulated near the first end of described the first length adjustment device, and the second end articulates or is articulated near the first end of described the second length adjustment device;
The second end of described the first length adjustment device and the second end of the second length adjustment device mutually articulate or are hinged, the common formation of the first length adjustment device, the second length adjustment device and the 4th length adjustment device has three adjustable rigid triangle structures of three edge lengths that articulate summits thus, be used for manhole cover 21 is moved bolt hole center's Accurate align when having guaranteed manhole cover 21 and manhole flange 20 installation in position;
The first end of described the 3rd length adjustment device is connected on described the second length adjustment device, and the second end of close described the second length adjustment device; The second end of described the 3rd length adjustment device connects described manhole cover 21, is used for making manhole cover 21 moving along the axial direction perpendicular to manhole cover 21.
Described the first length adjustment device comprises the first pull bar 8, the first elastic sleeve 12 and the second pull bar 9 that connects successively;
The first end of described the first pull bar 8 forms the first end of described the first length adjustment device; The second end of described the first pull bar 8 is provided with screw thread, and the first end of described the first elastic sleeve 12 is provided with the screw thread that matches with the screw thread of the second end of the first pull bar 8; The second end of described the first elastic sleeve 12 is provided with identical but the screw thread that rotation direction is opposite of screw thread with the first end of the first elastic sleeve 12;
The first end of described the second pull bar 9 is provided with the screw thread that matches with the screw thread of the second end of the first elastic sleeve 12, and the second end of the second pull bar 9 forms the second end of described the first length adjustment device; When rotating described the first elastic sleeve 12, described the first pull bar 8 and the second pull bar 9 move simultaneously, mutually near or mutually away from.
Described the second length adjustment device comprises that the first end of the 3rd pull bar 10, the second elastic sleeve 13 and four-pull-rod 11, the three pull bars 10 that connect successively forms the first end of described the second length adjustment device;
The second end of described the 3rd pull bar 10 is provided with screw thread, and the first end of the second elastic sleeve 13 is provided with the screw thread that matches with the screw thread of the second end of the 3rd pull bar 10; The second end of described the second elastic sleeve 13 is provided with identical but the screw thread that rotation direction is opposite of screw thread with the first end of the second elastic sleeve 13;
The first end of described four-pull-rod 11 is provided with the screw thread that matches with the screw thread of the second end of the second elastic sleeve 13; The second end of described the second pull bar 9 and the second end of four-pull-rod 11 articulate or are hinged; The second end of described four-pull-rod 11 forms the second end of described the second length adjustment device; When rotating described the second elastic sleeve 13, described the 3rd pull bar 10 and four-pull-rod 11 move simultaneously, mutually near or mutually away from.
The described horizontal component 5a that hangs arm 5 adopts the i-shaped beams structure, comprises upper flange 51 and lower wing plate 53 and middle pectoral plate 52;
Described bearing part 6 comprises two vertical fixed plate 6b and a horizontal fixed plate 6c, respectively establishes a described vertical fixed plate 6b in the both sides of lower wing plate 53, and two vertical fixed plate 6b connect into as a whole by horizontal fixed plate 6c; Described horizontal fixed plate 6c and described lower wing plate 53 are parallel and be positioned at the below of lower wing plate 53, and described two vertical fixed plate 6b are all parallel with described middle pectoral plate 52;
All offer two bearing holes on the top of each vertical fixed plate 6b, all bearing holes all are positioned at the top of lower wing plate 53;
All be equipped with roller bearing 6a on each described bearing hole, roller bearing 6a can drive bearing part 6 and carry out horizontal slip along described lower wing plate 53 length directions;
The bottom of each vertical fixed plate 6b all offers pin via hole, and described pin via hole is positioned at the below of described horizontal fixed plate 6c;
First end at described the first pull bar 8 is provided with pin, and described pin is located in the described pin via hole of a bearing part 6, thereby so that the first pull bar 8 can be around described pin axis rotation;
First end at described the 3rd pull bar 10 is provided with pin, and described pin is located in the described pin via hole of another bearing part 6, thereby so that the 3rd pull bar 10 can rotate around the pin axis.
Described the 3rd length adjustment device comprises the 5th pull bar 17, the 3rd elastic sleeve 18 and the 6th pull bar 19 that connects successively;
Described the 5th pull bar 17 is bending shape, comprise orthogonal first side and Second Edge, the end of the first side of described the 5th pull bar 17 forms the first end of described the 5th pull bar 17, and the end of the Second Edge of described the 5th pull bar 17 forms the second end of described the 5th pull bar 17;
The first end of described the 5th pull bar 17 is weldingly fixed on the described four-pull-rod 11, and the second end of close described four-pull-rod 11; The second end of described the 5th pull bar 17 is provided with screw thread, the first end of described the 3rd elastic sleeve 18 is provided with the screw thread that matches with the screw thread of the second end of the 5th pull bar 17, and the second end of described the 3rd elastic sleeve 18 is provided with identical but the screw thread that rotation direction is opposite of screw thread with the first end of the 3rd elastic sleeve 18; The first end of described the 6th pull bar 19 is provided with the screw thread that matches with the screw thread of the second end of described the 3rd elastic sleeve 18; The second end of described the 6th pull bar 19 is fixedly welded on the external cylindrical surface of manhole cover 21;
When rotating described the 3rd elastic sleeve 18, described the 5th pull bar 17 and the 6th pull bar 19 move simultaneously, mutually near or mutually away from; When the first length adjustment device with the 4th length adjustment device is the shortest and the second length adjustment device when the longest, the first side of described the 5th pull bar 17 is parallel to the axis of manhole flange 20, and the Second Edge of described the 5th pull bar 17, the 6th pull bar 19 and the 3rd elastic sleeve 18 are all perpendicular to the axis of manhole cover 21; The 3rd length adjustment device can realize that manhole cover 21 edges are perpendicular to the independent movement of manhole cover 21 axial directions.
Described the 4th length adjustment device comprises that the first end of the 8th pull bar 25, the 4th elastic sleeve 23 and the 7th pull bar 24, the eight pull bars 25 that connect successively forms the first end of described the 4th length adjustment device; The first end of described the 8th pull bar 25 articulates or is articulated near the first end of the first pull bar 8;
The second end of described the 8th pull bar 25 is provided with screw thread, and the first end of the 4th elastic sleeve 23 is provided with the screw thread that matches with the screw thread of the second end of the 8th pull bar 25; The second end of described the 4th elastic sleeve 23 is provided with identical but the screw thread that rotation direction is opposite of screw thread with the first end of the 4th elastic sleeve 23;
The first end of described the 7th pull bar 24 is provided with the screw thread that matches with the screw thread of the second end of the 4th elastic sleeve 23; The second end of described the 7th pull bar 24 forms the second end of described the 4th length adjustment device, near its pivot joint or be articulated in the first end of the 3rd pull bar 10; When rotating described the 4th elastic sleeve 23, described the 7th pull bar 24 and the 8th pull bar 25 move simultaneously, mutually near or mutually away from.
Be provided with the first pin via hole below the pin of the first end on described the first pull bar 8, be provided with the first pin 14 at the first end of described the 8th pull bar 25, described the first pin 14 is located in described the first pin via hole;
The pin of the first end on described the 3rd pull bar 10 below is provided with the second pin via hole, is provided with the second pin 15 at the second end of described the 7th pull bar 24, and described the second pin 15 is located in described the second pin via hole.
Further, described the first elastic sleeve 12, the second elastic sleeve 13, the 3rd elastic sleeve 18 and the 4th elastic sleeve 23 are tubular structure, and two ends are provided with screw thread identical but that rotation direction is opposite;
Described the first elastic sleeve 12 and or the second elastic sleeve 13 and or the 3rd elastic sleeve 18 and or the 4th elastic sleeve 23 or all the diverse location place on axial direction separately be provided with orthogonal two through holes, but in this through hole the update bar.
Described quick-open type hanging hanging bracket further comprises inclination connecting plate 1, vertical connecting plate 2, support ring 3 and seamless steel pipe 4;
Described support ring 3 is fixed on the outer surface of described vertical part 5b, and the distance of the terminal surface of the described vertical part 5b of described support ring 3 distances is L;
The first side of described inclination connecting plate 1 is fixed on the outer surface of described manhole flange 20, and the second side of the inclination connecting plate 1 relative with the first side of inclination connecting plate 1 and the first side of described vertical connecting plate 2 are connected to a fixed; The second side of the vertical connecting plate 2 relative with the first side of described vertical connecting plate 2 is fixed on the external cylindrical surface of described seamless steel pipe 4;
Described 2 whiles of vertical connecting plate are perpendicular to manhole flange plane, 20 place and horizontal plane;
The internal diameter of described support ring 3 matches with the external diameter of described vertical part 5b, and the external diameter of described support ring 3 is greater than the internal diameter of described seamless steel pipe 4;
The external diameter of described vertical part 5b is less than the internal diameter of described seamless steel pipe 4;
The length of described seamless steel pipe 4 is less than L, the end of described vertical part 5b is provided with external screw thread, after described vertical part 5b inserts seamless steel pipe 4, its end stretches out the lower ring end face of seamless steel pipe 4, screw a nut part that matches with this external screw thread at its end, the external diameter of described nut part is deviate to prevent vertical part 5b accident from seamless steel pipe 4 of hanging arm 5 greater than the external diameter of described seamless steel pipe 4.
For preventing hanging arm in seamless steel pipe 4 interior rotations, can be on seamless steel pipe 4 and stretch on the vertical part 5b in the seamless steel pipe 4 corresponding position and all offer through hole, in this through hole, insert locating bar during installation and get final product.
Compared with prior art, the utility model is designed for and hangs the non-support of hanging with the plug manhole cover of installation or removal on the non-radially manhole of offering on the cylindrical shell in the vertical pressure vessel, and its beneficial effect is:
(1) the utility model is hung support and can not rotated under Action of Gravity Field, has realized that manhole cover regulates with Vertical direction in the horizontal direction;
(2) utilize the utility model to hang support and realized non-ly regulating separately at the axial direction of manhole with the plug manhole cover, prevented simultaneously non-self rotation with the plug manhole cover;
Bolt hole center's Accurate align when (3) utilizing the utility model to hang support to have realized manhole cover and manhole flange installation in position;
(4) the utility model is hung support and not only can be used on tower and the tank equal pressure container, simultaneously, can be widely used on the equipment such as the large tank of low pressure, normal pressure tank and feed bin.
Description of drawings
Fig. 1-the 1st, existing manhole with vertical hanging cover davit structural drawing.
Fig. 1-2 is the davit structural drawing of existing vertical chain.
Fig. 2-the 1st, the structural representation of the utility model quick-open type hanging hanging bracket.
Fig. 2-the 2nd, the A-A view among Fig. 2-1.
Fig. 2-the 3rd, the sectional view of the parts 6 among Fig. 2-1.
Fig. 3 is the structural representation of the elastic sleeve in the utility model quick-open type hanging hanging bracket.
Wherein, inclination connecting plate 1, vertically connecting plate 2, support ring 3, seamless steel pipe 4 is hung arm 5, hang the horizontal component 5a of arm, hang the vertical part 5b of arm, bearing part 6, hang adjustable mechanism 7, the first pull bars 8, the second pull bars 9 of arm, the 3rd pull bar 10, the four-pull-rods 11, the first elastic sleeves 12, the second elastic sleeve 13, the first pins 14, the second pins 15, the 5th pull bar 17, the three elastic sleeves 18, the six pull bars 19, manhole flange 20, non-band plug manhole cover 21 is hung reinforcement gusset 22, the four elastic sleeves 23 of arm, the 7th pull bar 24, the eight pull bars 25.
Embodiment
Below in conjunction with accompanying drawing the utility model is described in further detail:
Shown in Fig. 2-1 and Fig. 2-2, the non-support of hanging with the plug manhole cover of non-radially manhole on a kind of installation or removal cylindrical shell, the axis of this non-radially manhole is horizontal by an angle greater than zero degree.This is hung support and comprises and hang arm 5, this is hung arm 5 and comprises horizontal component 5a parallel to the ground and vertical part 5b and annular connecting plate 5c perpendicular to the ground, this vertical part 5b removably is fixed on the manhole flange 20, adopt steel pipe support, also can adopt other shaped steel such as " ∩ " shaped steel or other materials; The horizontal component 5a that hangs arm 5 adopts i-shaped beams, also can become I shape with steel plate splicing, makes things convenient for bearing part 6 to slide in the above.Horizontal component 5a and vertical part 5b are by all being welded as a whole with annular connecting plate 5c.
Be provided with adjustable structure 7 at horizontal component 5a with between the non-band plug manhole cover 21 that needs to install, adjustable structure 7 comprises the first length adjustment device, the second length adjustment device, the 3rd length adjustment device and the 4th length adjustment device that is rigidity.
The first end of described the first length adjustment device is articulated in the first place of described horizontal component 5a by the clutch shaft bearing parts, and the first end of described the second length adjustment device is articulated in the second place of described horizontal component 5a by the second bearing part; Described the first place and described second is in the certain distance in interval on the length direction of horizontal component 5a, and described the first place is than the more close vertical part 5b that hangs arm 5 in the second place.The two ends of described the 4th length adjustment device articulate respectively or are hinged between the first length adjustment device and the second controlling device, the first end of described the 4th length adjustment device articulate or be articulated in described the first length adjustment device first end near; The second end of the 4th length adjustment device articulate or be articulated in described the second length adjustment device first end near; The second end of the first length adjustment device and the second end of the second length adjustment device mutually articulate or are hinged, and the common formation of the first length adjustment device, the second length adjustment device and the 4th length adjustment device has three adjustable rigid triangle structures of three edge lengths that articulate summits thus;
The first end of the 3rd length adjustment device is connected near the second end of the second length adjustment device, the second end of the 3rd length adjustment device connects the manhole cover 21 of required installation or removal, when the first length adjustment device with the 4th length adjustment device is the shortest and the second length adjustment device when the longest, the variable partition of the 3rd length adjustment device is perpendicular to the axis of manhole cover 21, with this so that the 3rd length adjustment device can regulate non-with plug manhole cover 21 along the independent movement perpendicular to manhole cover 21 axial directions.
Adjustable structure 7 comprises the first length adjustment device, the second length adjustment device, the 3rd length adjustment device and the 4th length adjustment device with same structure, and concrete structure is as follows:
Described the first length adjustment device comprises the first pull bar 8, the first elastic sleeve 12 and the second pull bar 9, the first end A of the first pull bar 8 forms the first end of described the first length adjustment device, be articulated in upper the first place of the horizontal component 5a that hangs arm 5 by clutch shaft bearing parts 6, the second end of the first pull bar 8 is provided with external screw thread (or female thread), the first end of the first elastic sleeve 12 is provided with the female thread (or external screw thread) that the external screw thread (or female thread) that arranges with the second end of the first pull bar 8 matches, the second end of the first elastic sleeve 12 is provided with the female thread (or external screw thread) opposite with female thread (or external screw thread) rotation direction of the first end of the first elastic sleeve 12, the first end of the second pull bar 9 has the external screw thread (or female thread) that matches with the female thread (or external screw thread) of the second end of the first elastic sleeve 12, and the second end of the second pull bar 9 forms the second end of described the first length adjustment device.
Described the second length adjustment device comprises the 3rd pull bar 10, the second elastic sleeve 13 and four-pull-rod 11, the first end B of the 3rd pull bar 10 forms the first end of described the second length adjustment device, be articulated in the second place of the horizontal component of hanging arm 5 by the second bearing part 6, the second end of the 3rd pull bar 10 is provided with external screw thread (or female thread), the first end of the second elastic sleeve 13 is provided with the female thread (or external screw thread) that the external screw thread (or female thread) that arranges with the second end of the 3rd pull bar 10 matches, the second end of the second elastic sleeve 13 is provided with the female thread (or external screw thread) opposite with female thread (or external screw thread) rotation direction of the first end of the second elastic sleeve 13, the first end of four-pull-rod 11 has the external screw thread (or female thread) that matches with the female thread (or external screw thread) of the second end of the second elastic sleeve 13, the second end of the second pull bar 9 and the second end of four-pull-rod 11 are hinged, guarantee thus the first pull bar 8 and the 3rd pull bar 10 can be respectively around the first place and second rotation with in surface that is in perpendicular to ground of horizontal component.
Described the 4th length adjustment device comprises that the first end C of the 8th pull bar 25, the 4th elastic sleeve 23 and the 7th pull bar 24, the eight pull bars 25 that connect successively forms the first end of described the 4th length adjustment device;
The second end of the 8th pull bar 25 is provided with external screw thread (or female thread), the first end of the 4th elastic sleeve 23 is provided with the female thread (or external screw thread) that the external screw thread (or female thread) that arranges with the second end of the 8th pull bar 25 matches, the second end of the 4th elastic sleeve 23 is provided with the female thread (or external screw thread) opposite with female thread (or external screw thread) rotation direction of the first end of the 4th elastic sleeve 23, and the first end of the 7th pull bar 24 has the external screw thread (or female thread) that matches with the female thread (or external screw thread) of the second end of the 4th elastic sleeve 23.
The second end D of described the 7th pull bar 24 forms the second end of described the 4th length adjustment device.
The common formation of above-mentioned the first length adjustment device, the second length adjustment device and the 4th length adjustment device has three adjustable rigid triangle structures of three edge lengths that articulate summits, can realize the adjusting of substantially horizontal and Vertical direction, thereby the manhole cover that is attached thereto 21 also just can be realized position regulation, bolt hole center's Accurate align when having guaranteed manhole cover 21 and manhole flange 20 installation in position, guaranteed further that in the installation process of manhole cover manhole cover can keep stable and random rotation does not occur under action of gravitation.The second end of four-pull-rod 11 forms the second end of described the second length adjustment device.
Further, the 3rd length adjustment device comprises the 5th pull bar 17, the 3rd elastic sleeve 18 and the 6th pull bar 19 of bending shape successively, and described the 5th pull bar 17 comprises orthogonal first side and Second Edge.The first end of the first side of the 5th pull bar 17 is weldingly fixed on the second end vicinity of four-pull-rod 11, the Second Edge of the 5th pull bar 17 is perpendicular to the axis of manhole cover 21, its second end has external screw thread (or female thread), the first end of the 3rd elastic sleeve 18 is provided with the female thread (or external screw thread) that the external screw thread (or female thread) that arranges with the second end of the 5th pull bar 17 matches, the second end of the 3rd elastic sleeve 18 is provided with the female thread (or external screw thread) opposite with female thread (or external screw thread) rotation direction of the first end of the 3rd elastic sleeve 18, and the first end of the 6th pull bar 19 has the external screw thread (or female thread) that matches with the female thread (or external screw thread) of the second end of the 3rd elastic sleeve 18; When the first length adjustment device with the 4th length adjustment device is the shortest and the second length adjustment device when the longest, the first side of the 5th pull bar 17 is parallel to the axis of manhole flange 20, the Second Edge of the 6th pull bar 19 and the 5th pull bar 17 and the 3rd elastic sleeve 18 all perpendicular to the axis of manhole cover 21 (this moment A, B position can be because of first and second, four length adjustment devices are different, as long as can satisfy the geometrical relationship of the 5th pull bar 17, so A, B end particular location is not done restriction), the second end of the 6th pull bar 19 is fixedly welded on the manhole cover 21.
The 3rd length adjustment device can realize that manhole cover 21 edges are perpendicular to the independent movement of manhole cover 21 axial directions.
Shown in Fig. 2-3, described bearing part 6 is specific as follows:
The horizontal component 5a that hangs arm 5 is the i-shaped beams structure of upper flange 51 and lower wing plate 53 and middle pectoral plate 52 formations, each bearing part 6 comprises two vertical fixed plate 6b and a horizontal fixed plate 6c, a described vertical fixed plate 6b is respectively established in lower wing plate 53 both sides, consists of as a whole by welding the modes such as a described horizontal fixed plate 6c in the middle of the vertical fixed plate 6b of both sides.The vertical fixed plate 6b of each piece top offers two holes, and by at each described hole assembling roller bearing 6a, roller bearing 6a is so that bearing part 6 can carry out horizontal slip along the length direction of the lower wing plate 53 of the horizontal component 5a that hangs arm.The vertical fixed plate 6b of each piece offers the bottom pin via hole that rotates for pin, first end A at described the first pull bar 8 is provided with pin, described pin is located in the described pin via hole of two vertical fixed plate 6b bottoms of clutch shaft bearing parts offering, thereby so that the first pull bar 8 can rotate around the pin axis; First end B at described the 3rd pull bar 10 is provided with pin, and described pin is located in the pin via hole of two vertical fixed plate 6b bottoms of the second bearing part offering, thereby so that the 3rd pull bar 10 can rotate around the pin axis.
Further, be welded with a support ring 3 along its external diameter hanging on the vertical part 5b of arm 5, the distance of the terminal surface of the described vertical part 5b of described support ring 3 distances is L, the first side of one inclination connecting plate 1 is fixedly welded on the external cylindrical surface of manhole flange 20, second side relative with the first side of inclination connecting plate 1 links to each other with the first side of a vertical connecting plate 2 by welding, these vertical 2 whiles of connecting plate are perpendicular to manhole flange plane, 20 place and horizontal plane, the external cylindrical surface of second side relative with the first side of this vertical connecting plate 2 and a vertical seamless steel pipe 4 welds mutually, and seamless steel pipe 4 just is fixed on the manhole flange 20 vertically like this; The internal diameter of described support ring 3 matches with the external diameter of the vertical part 5b that hangs arm 5, and support ring 3 is welded on the outer diametric plane of the vertical part 5b that hangs arm 5, the external diameter of support ring 3 is greater than the internal diameter of seamless steel pipe 4, hangs the external diameter of vertical part 5b of arm 5 less than the internal diameter of seamless steel pipe 4.When needs were installed manhole cover 21, the lower end of hanging the vertical part 5b of arm 5 was inserted in the seamless steel pipe 4, and 3 of the support rings that is welded thereon are erected at the pressed on ring end face of seamless steel pipe 4 and hang arm 5 to guarantee that seamless steel pipe 4 supports.The length of seamless steel pipe 4 is during less than L, and the end that stretches into the vertical part of hanging arm of seamless steel pipe 4 can stretch out the lower ring end face of seamless steel pipe 4 slightly.
The vertical part 5b that hangs arm 5 inserts seamless steel pipe 4, can be along the axis rotation of seamless steel pipe 4; At this moment, when the weight of the horizontal component 5a grantee port lid 21 that is parallel to ground of hanging arm 5, hanging arm 5 can not rotate under action of gravitation, this just so that the operator when installation and removal manhole cover 21, can allow and hang arm 5 and be parked in the arbitrary position, rather than hang arm 5 automatic rotation under Action of Gravity Field, thereby realize easily installation and removal manhole cover 21, and safer.
Further, for preventing hanging arm in seamless steel pipe 4 interior rotations, can all offer through hole in seamless steel pipe 4 position corresponding with the vertical part 5b that hangs arm in stretching into seamless steel pipe 4, in this through hole, insert locating bar during installation and can prevent from hanging arm 5 rotations.
Further, for prevent from hanging arm under external force accident deviate from, end at the vertical part 5b that hangs arm 5 that stretches out 4 times rings of seamless steel pipe end face arranges external screw thread, after hanging the vertical part 5b insertion seamless steel pipe 4 of arm 5, screw a nut part that matches with this external screw thread at its end, the external diameter of nut part is deviate to prevent vertical part 5b accident from seamless steel pipe 4 of hanging arm 5 greater than the external diameter of seamless steel pipe 4.
Further, as shown in Figure 3, the first elastic sleeve 12, the second elastic sleeve 13, the 3rd elastic sleeve 18 or the 4th elastic sleeve 23 or all have orthogonal two through holes at the diverse location place of axial direction separately, but at this through hole update bar, make rotatablely moving of elastic sleeve be converted to the pull bar straight line motion along the axial length at its two ends by the rotary manipulation bar, thereby the length and the 3rd length adjustment device that change three limits in the described triangle in the adjustable structure 7 can stretch, and realize non-with the displacement of plug manhole cover 21 edges perpendicular to the axial direction of manhole cover 21.The setting of two orthogonal through holes is in order to prevent that one party adopts the other direction insertion rod to operate to inconvenience in the operation.The design of said structure is so that can regulate separately the first length adjustment device, the second length adjustment device and the 4th length adjustment device in fitting operation, also can regulate simultaneously the first length adjustment device, the second length adjustment device and the 4th length adjustment device, thereby three edge lengths of adjusting triangle shape, can guarantee near the respectively rotation of the pin A, B in perpendicular to the plane on ground of these leg-of-mutton both sides, thereby realize being connected to the adjusting of the manhole cover 21 on the four-pull-rod 11.
Near the first end C of described the 8th pull bar 25, be provided with pin, near the first end of described the first pull bar 8, be provided with the first pin via hole that wears for this pin; Near the second end D of described the 7th pull bar 24, be provided with pin, near the first end of described the 3rd pull bar 10, be provided with and be total to the second pin via hole that this pin wears; First pull bar 8 that is arranged so that of perforate can rotate in the several angle scope perpendicular to the vertical surface on ground; In like manner, the 3rd pull bar 10 can be rotated in the several angle scope perpendicular to the vertical surface on ground.
It all is the structure of female thread that elastic sleeve in the present embodiment adopts two ends as shown in Figure 3, and also can adopt two ends all is the structure of external screw thread.
In addition, in order to strengthen the intensity of bending part, at the bending part of hanging arm reinforcement gusset 22 is installed.
Technique scheme is a kind of mode of execution of the present utility model, for those skilled in the art, on the basis that the utility model discloses application process and principle, be easy to make various types of improvement or distortion, and be not limited only to the described method of the above-mentioned embodiment of the utility model, therefore previously described mode is just preferred, and does not have restrictive meaning.
Claims (10)
1. quick-open type hanging hanging bracket, be used for the non-manhole cover with plug (21) of non-radially manhole on the cylindrical shell of installation or removal pressurized container, it is characterized in that: described quick-open type hanging hanging bracket comprises hangs arm (5) and adjustable structure (7);
The described arm (5) of hanging comprises horizontal component parallel to the ground (5a) and vertical part (5b) and annular connecting plate (5c) perpendicular to the ground, and the lower end of described vertical part (5b) is removably mounted on the manhole flange (20); One end of described horizontal component (5a) welds together into as a whole with the upper end of vertical part (5b) by annular connecting plate (5c);
Described horizontal component (5a) is connected with manhole cover (21) by described adjustable structure (7).
2. quick-open type hanging hanging bracket according to claim 1, it is characterized in that: described adjustable structure (7) comprises the first length adjustment device, the second length adjustment device, the 3rd length adjustment device and the 4th length adjustment device that is rigidity;
The first end of described the first length adjustment device is articulated in the first place on the described horizontal component (5a) by bearing part (6), and the first end of described the second length adjustment device is articulated in the second place on the described horizontal component (5a) by another bearing part (6);
Described the 4th length adjustment device is installed between the first length adjustment device and the second controlling device, its first end articulates or is articulated near the first end of described the first length adjustment device, and the second end articulates or is articulated near the first end of described the second length adjustment device;
The second end of described the first length adjustment device and the second end of the second length adjustment device mutually articulate or are hinged;
The first end of described the 3rd length adjustment device is connected on described the second length adjustment device, and the second end of close described the second length adjustment device; The second end of described the 3rd length adjustment device connects described manhole cover (21).
3. quick-open type hanging hanging bracket according to claim 2 is characterized in that: described the first length adjustment device comprises the first pull bar (8), the first elastic sleeve (12) and the second pull bar (9) that connects successively;
The first end of described the first pull bar (8) forms the first end of described the first length adjustment device; The second end of described the first pull bar (8) is provided with screw thread, and the first end of described the first elastic sleeve (12) is provided with the screw thread that matches with the screw thread of the second end of the first pull bar (8); The second end of described the first elastic sleeve (12) is provided with identical but the screw thread that rotation direction is opposite of screw thread with the first end of the first elastic sleeve (12);
The first end of described the second pull bar (9) is provided with the screw thread that matches with the screw thread of the second end of the first elastic sleeve (12), and the second end of the second pull bar (9) forms the second end of described the first length adjustment device.
4. quick-open type hanging hanging bracket according to claim 3, it is characterized in that: described the second length adjustment device comprises the 3rd pull bar (10), the second elastic sleeve (13) and the four-pull-rod (11) that connects successively, and the first end of the 3rd pull bar (10) forms the first end of described the second length adjustment device;
The second end of described the 3rd pull bar (10) is provided with screw thread, and the first end of the second elastic sleeve (13) is provided with the screw thread that matches with the screw thread of the second end of the 3rd pull bar (10); The second end of described the second elastic sleeve (13) is provided with identical but the screw thread that rotation direction is opposite of screw thread with the first end of the second elastic sleeve (13);
The first end of described four-pull-rod (11) is provided with the screw thread that matches with the screw thread of the second end of the second elastic sleeve (13); The second end of described the second pull bar (9) and the second end of four-pull-rod (11) are hinged; The second end of described four-pull-rod (11) forms the second end of described the second length adjustment device.
5. quick-open type hanging hanging bracket according to claim 4, it is characterized in that: the described horizontal component (5a) of hanging arm (5) adopts the i-shaped beams structure, comprises upper flange (51) and lower wing plate (53) and middle pectoral plate (52);
Described bearing part (6) comprises two vertical fixed plates (6b) and a horizontal fixed plate (6c), respectively establish a described vertical fixed plate (6b) in the both sides of lower wing plate (53), two vertical fixed plates (6b) connect into as a whole by horizontal fixed plate (6c); Described horizontal fixed plate (6c) is parallel with described lower wing plate (53) and be positioned at the below of lower wing plate (53), and described two vertical fixed plates (6b) are all parallel with described middle pectoral plate (52);
All offer two bearing holes on the top of each vertical fixed plate (6b), all bearing holes all are positioned at the top of lower wing plate (53);
All be equipped with roller bearing (6a) on each described bearing hole, roller bearing (6a) can drive bearing part (6) and carry out horizontal slip along the length direction of described lower wing plate (53);
The bottom of each vertical fixed plate (6b) all offers pin via hole, and described pin via hole is positioned at the below of described horizontal fixed plate (6c);
First end at described the first pull bar (8) is provided with pin, and described pin is located in the described pin via hole of a bearing part (6);
First end at described the 3rd pull bar (10) is provided with pin, and described pin is located in the described pin via hole of another bearing part (6).
6. quick-open type hanging hanging bracket according to claim 4 is characterized in that: described the 3rd length adjustment device comprises the 5th pull bar (17), the 3rd elastic sleeve (18) and the 6th pull bar (19) that connects successively;
Described the 5th pull bar (17) is bending shape, comprise orthogonal first side and Second Edge, the end of the first side of described the 5th pull bar (17) forms the first end of described the 5th pull bar (17), and the end of the Second Edge of described the 5th pull bar (17) forms the second end of described the 5th pull bar (17);
The first end of described the 5th pull bar (17) is weldingly fixed on the described four-pull-rod (11), and the second end of close described four-pull-rod (11); The second end of described the 5th pull bar (17) is provided with screw thread, the first end of described the 3rd elastic sleeve (18) is provided with the screw thread that matches with the screw thread of the second end of the 5th pull bar (17), and the second end of described the 3rd elastic sleeve (18) is provided with identical but the screw thread that rotation direction is opposite of screw thread with the first end of the 3rd elastic sleeve (18); The first end of described the 6th pull bar (19) is provided with the screw thread that matches with the screw thread of the second end of described the 3rd elastic sleeve (18); The second end of described the 6th pull bar (19) is fixedly welded on the external cylindrical surface of manhole cover (21);
When the first length adjustment device with the 4th length adjustment device is the shortest and the second length adjustment device when the longest, the first side of described the 5th pull bar (17) is parallel to the axis of manhole flange (20), and the Second Edge of described the 5th pull bar (17), the 6th pull bar (19) and the 3rd elastic sleeve (18) are all perpendicular to the axis of manhole cover (21).
7. quick-open type hanging hanging bracket according to claim 6, it is characterized in that: described the 4th length adjustment device comprises the 8th pull bar (25), the 4th elastic sleeve (23) and the 7th pull bar (24) that connects successively, and the first end of the 8th pull bar (25) forms the first end of described the 4th length adjustment device; The first end of described the 8th pull bar (25) articulates or is articulated near the first end of the first pull bar (8);
The second end of described the 8th pull bar (25) is provided with screw thread, and the first end of the 4th elastic sleeve (23) is provided with the screw thread that matches with the screw thread of the second end of the 8th pull bar (25); The second end of described the 4th elastic sleeve (23) is provided with identical but the screw thread that rotation direction is opposite of screw thread with the first end of the 4th elastic sleeve (23);
The first end of described the 7th pull bar (24) is provided with the screw thread that matches with the screw thread of the second end of the 4th elastic sleeve (23); The second end of described the 7th pull bar (24) forms the second end of described the 4th length adjustment device, near its pivot joint or be articulated in the first end of the 3rd pull bar (10).
8. quick-open type hanging hanging bracket according to claim 7, it is characterized in that: the pin below of the first end on described the first pull bar (8) is provided with the first pin via hole, first end at described the 8th pull bar (25) is provided with the first pin (14), and described the first pin (14) is located in described the first pin via hole;
The pin of the first end on described the 3rd pull bar (10) below is provided with the second pin via hole, is provided with the second pin (15) at the second end of described the 7th pull bar (24), and described the second pin (15) is located in described the second pin via hole.
9. quick-open type hanging hanging bracket according to claim 8, it is characterized in that: described the first elastic sleeve (12), the second elastic sleeve (13), the 3rd elastic sleeve (18) and the 4th elastic sleeve (23) are tubular structure, and two ends are provided with screw thread identical but that rotation direction is opposite;
Described the first elastic sleeve (12) and or the second elastic sleeve (13) and or the 3rd elastic sleeve (18) and or the 4th elastic sleeve (23) or all the diverse location place on axial direction separately be provided with orthogonal two through holes.
10. according to claim 1 to 9 arbitrary described quick-open type hanging hanging brackets, it is characterized in that: described quick-open type hanging hanging bracket further comprises inclination connecting plate (1), vertical connecting plate (2), support ring (3) and seamless steel pipe (4);
Described support ring (3) is fixed on the outer surface of described vertical part (5b), and the distance of the terminal surface of described support ring (3) the described vertical part of distance (5b) is L;
The first side of described inclination connecting plate (1) is fixed on the outer surface of described manhole flange (20), and the second side of the inclination connecting plate (1) relative with the first side of inclination connecting plate (1) and the first side of described vertical connecting plate (2) are connected to a fixed; Vertical connecting plate (2) second sides relative with the first side of described vertical connecting plate (2) are fixed on the external cylindrical surface of described seamless steel pipe (4);
Described vertical connecting plate (2) is simultaneously perpendicular to manhole flange (20) plane, place and horizontal plane;
The internal diameter of described support ring (3) matches with the external diameter of described vertical part (5b), and the external diameter of described support ring (3) is greater than the internal diameter of described seamless steel pipe (4);
The external diameter of described vertical part (5b) is less than the internal diameter of described seamless steel pipe (4);
The length of described seamless steel pipe (4) is less than L, end in described vertical part (5b) is provided with external screw thread, after described vertical part (5b) is inserted seamless steel pipe (4), its end stretches out the lower ring end face of seamless steel pipe (4), be screwed with the nut part that matches with this external screw thread at its terminal external screw thread place, the external diameter of described nut part is greater than the external diameter of described seamless steel pipe (4);
The upper corresponding position of vertical part (5b) upper at described seamless steel pipe (4) and that stretch in the seamless steel pipe (4) all has through hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201220419273.6U CN202746581U (en) | 2012-08-22 | 2012-08-22 | Quick-open type hanging support |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201220419273.6U CN202746581U (en) | 2012-08-22 | 2012-08-22 | Quick-open type hanging support |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202746581U true CN202746581U (en) | 2013-02-20 |
Family
ID=47705980
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201220419273.6U Expired - Lifetime CN202746581U (en) | 2012-08-22 | 2012-08-22 | Quick-open type hanging support |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202746581U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103807438A (en) * | 2014-02-12 | 2014-05-21 | 威海石岛重工有限公司 | Manhole structure with internal baffle |
| CN114572813A (en) * | 2022-05-05 | 2022-06-03 | 南通杰蕾机械有限公司 | A hanging device for dismouting chemical industry equipment manhole cover |
-
2012
- 2012-08-22 CN CN201220419273.6U patent/CN202746581U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103807438A (en) * | 2014-02-12 | 2014-05-21 | 威海石岛重工有限公司 | Manhole structure with internal baffle |
| CN114572813A (en) * | 2022-05-05 | 2022-06-03 | 南通杰蕾机械有限公司 | A hanging device for dismouting chemical industry equipment manhole cover |
| CN114572813B (en) * | 2022-05-05 | 2022-07-05 | 南通杰蕾机械有限公司 | A suspension device for dismouting chemical industry equipment manhole cover |
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| GR01 | Patent grant | ||
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