CN110640685A - Air pipe bolt fastening device for narrow space and construction method thereof - Google Patents
Air pipe bolt fastening device for narrow space and construction method thereof Download PDFInfo
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- CN110640685A CN110640685A CN201910910525.1A CN201910910525A CN110640685A CN 110640685 A CN110640685 A CN 110640685A CN 201910910525 A CN201910910525 A CN 201910910525A CN 110640685 A CN110640685 A CN 110640685A
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- 238000010276 construction Methods 0.000 title claims abstract description 30
- 238000009434 installation Methods 0.000 claims abstract description 65
- 230000003014 reinforcing effect Effects 0.000 claims abstract description 39
- 230000000149 penetrating effect Effects 0.000 claims description 14
- 238000004519 manufacturing process Methods 0.000 claims description 11
- 238000013461 design Methods 0.000 claims description 7
- 230000008602 contraction Effects 0.000 claims description 3
- 238000012360 testing method Methods 0.000 claims description 3
- 238000000034 method Methods 0.000 abstract description 6
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 229910000831 Steel Inorganic materials 0.000 description 16
- 239000010959 steel Substances 0.000 description 16
- 238000009423 ventilation Methods 0.000 description 3
- 238000004026 adhesive bonding Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000011900 installation process Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
- B25B27/00—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for
- B25B27/14—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for for assembling objects other than by press fit or detaching same
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Abstract
The invention discloses a wind pipe bolt fastening device used in a narrow space and a construction method thereof, wherein the fastening device comprises an installation box, a group of bevel gears connected inside the installation box, a transverse shaft rod connected to the outer end part of a transverse bevel gear, a vertical shaft rod connected to the end part of a vertical bevel gear, an extension rod and a fixed rod connected to the outer end part of the transverse shaft rod, a connecting shaft rod and a bolt sleeve head connected to the lower end part of the vertical shaft rod, and a nut placing piece positioned below the bolt sleeve head; the bottom surface of the installation box is detachably connected with an illuminator and a miniature camera; the installation box is connected with a reinforcing rod below one side of the cross shaft rod. According to the invention, the illuminator and the miniature camera are arranged, so that the accurate alignment of the bolt is facilitated; through the arrangement of the extension rod and the fixed rod, the construction space is saved; the arrangement of the reinforcing rods is beneficial to sharing the weight of the installation box in construction and reducing the vertical deviation of the installation box in the construction process; through the arrangement of the nut placing piece and the limiting clamping plate, the nut can be conveniently aligned and installed.
Description
Technical Field
The invention belongs to the field of constructional engineering, and particularly relates to a bolt fastening device for an air pipe in a narrow space and a construction method of the bolt fastening device.
Background
With the implementation of new fire design specifications, ventilation shafts in ventilation system design buildings all require lining air pipes. However, due to the limitation of the structural form, one or two side walls of the ventilation vertical shaft are usually cast-in-place concrete walls in the actual engineering; the problem that the air pipe close to one side of the structural wall body, especially the air pipe connecting bolt with longer side length and narrow space can not be fastened is caused.
Because of adopting traditional instrument can't accomplish connecting bolt's fastening, must change tuber pipe connected mode or take the reinforcement measure in the inboard, consequently not only increased the cost and the construction degree of difficulty, still prolonged system installation time, influence construction period, it is dangerous big at the inside operation process of tuber pipe moreover, there is great potential safety hazard to exist. Some bolts are fastened through fastening tools, but the construction reliability is reduced under the influence of factors such as dark light, bolt hole alignment and the like, and the working hours are wasted; in addition, for the longer tuber pipe of length of side, need change the extension member, complex operation and construction stability are poor.
Disclosure of Invention
The invention provides a wind pipe bolt fastening device used in a narrow space and a construction method thereof, which are used for solving the technical problems of accurate alignment in the fastening of a wind pipe bolt in the narrow space, the elongated installation in the narrow space, the stability in the bolt fastening installation process and the like.
In order to achieve the purpose, the invention adopts the following technical scheme:
a bolt fastening device for an air pipe in a narrow space comprises an installation box, a group of bevel gears which are connected inside the installation box and are transversely and vertically connected in a right angle mode, a transverse shaft rod connected to the outer end part of the transverse bevel gear, a vertical shaft rod connected to the end part of the vertical bevel gear, an extension rod and a fixed rod connected to the outer end part of the transverse shaft rod, a connecting shaft rod and a bolt sleeve head connected to the lower end part of the vertical shaft rod, and a nut placing piece located below the bolt sleeve head;
the nut placing piece comprises a placing rod and a placing plate detachably connected to one end of the placing rod, and placing holes are formed in the placing plate corresponding to the size of the nuts;
the vertical bevel gear is positioned at the lower side of the transverse bevel gear and is in meshed connection with the transverse bevel gear; the transverse shaft rod and the vertical shaft rod penetrate through the installation box and are rotationally connected with the installation box;
the installation box is a rectangular box, and the bottom surface of the installation box is detachably connected with an illuminator and a miniature camera; a reinforcing rod is connected to the lower part of one side of the cross shaft rod of the mounting box, and a limiting plate is connected to the outer end part of the reinforcing rod;
the extension rod is telescopically connected with the fixed rod, and the outer end of the fixed rod is connected with a limiting bearing; the limiting bearing and the limiting plate are integrally connected and are connected with the lower supporting platform through the connecting column;
a support column is connected below the support platform, and the bottom end of the support column is connected with a base connected with the ground; the support column is also connected with a limiting clamping plate, and the limiting clamping plates are correspondingly connected with the placing rods in a penetrating manner.
Furthermore, the vertical shaft rod is connected with the mounting box in a through manner in the vertical direction, and the lower side of the vertical shaft rod penetrates through the mounting box and is connected with the connecting shaft rod through a connector; the transverse shaft rod is connected with the extension rod through a connector; scales are arranged on the extension rod.
Furthermore, magnet is connected with inside the bolt sleeve head, and the size of the internal groove of the bolt sleeve head is adapted to the size of the top end of the bolt.
Furthermore, the limit bearings are arranged at intervals in the length direction of the fixed rod and are rotatably connected with the fixed rod; the limiting plates are arranged at intervals in the length direction of the reinforcing rod and are connected with the reinforcing rod in a penetrating mode; the limiting bearings and the limiting plates are connected up and down and are at least respectively arranged in two.
Furthermore, the reinforcing rods are hollow tubes and are spliced through reinforcing rod sleeves; the reinforcing rod is internally provided with an insulating layer and is connected with the illuminator and the lead of the miniature camera in a penetrating way.
Furthermore, the limiting plate is a rectangular plate, and an arc-shaped notch is formed in the upper part of the rectangular plate and correspondingly connected with the limiting bearing; the lower part of the limiting plate is connected with a connecting column, and the lower end of the connecting column is detachably connected with a supporting platform.
Furthermore, the supporting platform is a rectangular piece, a supporting column is connected to the center of the bottom surface of the supporting platform, and the supporting column is formed by splicing supporting column sleeves; the bottom of the supporting column is also connected with an inclined strut with the base.
Furthermore, the limiting clamping plate is a rectangular batten, and a hole for connecting the placing rod in a penetrating way is formed in the supporting column where the limiting clamping plate is located; the limiting clamping plates are arranged in parallel at the upper side and the lower side of the hole.
Further, the placing rods are spliced through the placing rod sleeves, and one ends of the placing plates which are not connected with the placing rods penetrate into the limiting clamping plates.
Further, the construction method for the narrow space air pipe bolt fastening device comprises the following specific steps:
after the construction of the air pipe is finished, manufacturing an extension rod and a fixed rod according to the installation length of a bolt to be fastened, wherein the extension and contraction of the extension rod and the fixed rod are controlled through hydraulic pressure; determining the height of the limiting bearing according to the height of the bolt to be fastened; manufacturing a nut placing piece according to the size and the installation length of the nut;
manufacturing an installation box and a bevel gear, arranging the bevel gear at a right angle according to the design, and testing the smoothness of meshing rotation of the bevel gear; the lower part of the installation box is provided with an illuminator and a miniature camera, the side surface of the installation box is provided with a reinforcing rod, and wires of the illuminator and the miniature camera penetrate into the reinforcing rod from the inside of the installation box and are finally connected with an external power supply and a display;
step three, manufacturing a limiting bearing, a limiting plate and a limiting clamping plate, integrally connecting the limiting bearing and the limiting plate, pre-connecting the limiting bearing and the limiting plate to a supporting platform, and connecting the limiting clamping plate to a support column of one section;
step four, mounting a base, assembling a support column on the base, and determining the position of a limiting clamp plate on the support column according to the position of a bolt to be mounted at the air pipe; a supporting platform, a connecting column, a limiting plate and a limiting bearing are arranged corresponding to the design positions of the fixed rod and the reinforcing rod;
connecting a bolt sleeve head to the lower end of a vertical shaft rod in the installation box, connecting a bolt through a magnet, connecting an extension rod with a horizontal shaft rod, extending the extension rod under hydraulic control, preliminarily reaching the position of a bolt to be fastened, finely adjusting the position of the bolt according to an image transmitted by a micro camera to align the bolt to a reserved bolt hole, and starting an illuminator if light is dark;
sixthly, putting corresponding nuts into the placing plate, and penetrating the placing rod into the limiting clamping plate to perform vertical positioning; after reaching a designated position along the lower part of the bolt to be fastened, finely adjusting the horizontal position of the placing plate by an image transmitted by the miniature camera until the nut is aligned with the upper bolt;
connecting an electric rotating machine or manually rotating the fixed rod at the outer end part of the fixed rod to enable the bolt to penetrate into the nut in the placing plate; the mounting box gradually falls down along with the screwing of the bolt, and the connecting length of the supporting column sleeve below the supporting platform is adjusted to adapt to the falling height of the mounting box;
step eight, after the bolt is installed at the position, lifting the support column below the support platform and contracting the extension rod to connect the bolt of the next installation point, and extending towards the next installation point after the connection is completed; the reinforcing rods and the placing rods are spliced and lengthened or shortened through the lengths of the sleeves connected with each other and the corresponding extension rods until the fastening and installation of all the bolts are completed.
The invention has the beneficial effects that:
1) according to the invention, the illuminator and the miniature camera are arranged at the bottom of the installation box, so that accurate alignment of the fastening bolt is facilitated when light and sight are blocked in a long and narrow space;
2) according to the invention, through the arrangement of the extension rod and the fixed rod, bolt fastening operation can be carried out on the premise of not replacing the rod body, so that the construction space is saved, and the scale arrangement on the extension rod ensures preliminary positioning, thereby saving the construction time; the limiting bearing is arranged on the outer side of the fixed rod, so that the stability of the fixed rod and the extension rod can be kept in the extension process or the fastening process;
3) according to the invention, through the arrangement of the reinforcing rods, the weight of the installation box in construction can be shared, and the vertical deviation of the installation box in the construction process can be reduced; in addition, the reinforcing rod can also be used for connecting the illuminator and a lead of the miniature camera in a penetrating way, so that the overall occupied space of the device is saved;
4) the nut placing piece and the limiting clamping plate are arranged, so that the nut is convenient to align and mount, and the limiting clamping plate is convenient to stabilize in the nut fastening process and does not need to be positioned again after the placing rod is assembled and lengthened, so that the construction time is saved;
during construction, the invention can pre-design and assemble the support columns and other components according to the fastening position of the bolts required in the air pipes, is convenient for on-site fine adjustment and repeated use, greatly saves construction time and construction cost, and effectively improves construction quality; additional features and advantages of the invention will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention; the primary objects and other advantages of the invention may be realized and attained by the instrumentalities particularly pointed out in the specification.
Drawings
FIG. 1 is a schematic construction view of a bolt fastening device for an air duct in a narrow space;
FIG. 2 is a side schematic view of a bevel gear and mounting case connection;
FIG. 3 is a schematic top view of a bevel gear and mounting case connection;
FIG. 4 is a schematic vertical cross-sectional view of a spacing bearing, a spacing plate, and a connecting column;
fig. 5 is a schematic view of a nut placing member.
Reference numerals: 1-bevel gear, 2-transverse shaft rod, 3-vertical shaft rod, 4-installation box, 5-connector, 6-extension rod, 7-fixing rod, 8-connecting shaft rod, 9-bolt sleeve head, 10-magnet, 11-bolt, 12-nut, 13-nut placing piece, 131-placing plate, 132-placing hole, 133-placing rod, 134-placing rod sleeve, 14-reinforcing rod, 15-reinforcing rod sleeve, 16-limiting bearing, 17-limiting plate, 171-limiting plate body, 172-limiting plate hole, 18-connecting column, 19-supporting platform, 20-supporting column, 21-supporting column sleeve, 22-limiting clamping plate, 23-inclined strut, 24-base, 25-illuminator, light-emitting device, 26-micro camera.
Detailed Description
As shown in fig. 1, a bolt fastening device for an air duct in a narrow space comprises an installation box 4, a group of bevel gears 1 which are connected inside the installation box 4 and are connected at right angles in a horizontal and vertical mode, a horizontal shaft rod 2 connected to the outer end part of the horizontal bevel gear 1, a vertical shaft rod 3 connected to the end part of the vertical bevel gear 1, an extension rod 6 and a fixing rod 7 connected to the outer end part of the horizontal shaft rod 2, a connecting shaft rod 8 and a bolt sleeve head 9 connected to the lower end part of the vertical shaft rod 3, and a nut placing piece 13 located below the bolt sleeve head 9.
In the embodiment, the installation box 4 is a rectangular steel box, the installation box 4 is made of thin-walled steel plates in a double-layer mode, and the strength of the steel plates can bear the weight of the internal bevel gear 1 and the connected vertical shaft rod 3 and the transverse shaft rod 2; the inner side of the steel plate is provided with an insulating layer, and wires of the illuminator 25 and the miniature camera 26 can be connected between the two steel plates in a penetrating way.
In this embodiment, the illuminator 25 and the micro-camera 26 are connected to the bottom surface of the installation box 4 by screw thread or adhesive bonding; a reinforcing rod 14 is welded below one side of the transverse shaft rod 2 of the mounting box 4; the reinforcing rods 14 are hollow steel pipes and are spliced through reinforcing rod sleeves 15; the interior of the reinforcing rod 14 is communicated with the interior of the double-layer steel plate of the installation box 4, and an insulating layer is arranged in the reinforcing rod 14 and penetrates through wires of the illuminator 25 and the miniature camera 26.
In the embodiment, the fixed rod 7 is a steel rod piece, the outer end part of the fixed rod 7 is rotatably connected with two limiting bearings 16, and the limiting bearings 16 are arranged at intervals in the length direction of the fixed rod 7; two limiting plates 17 are connected to the outer end of the reinforcing rod 14 in a penetrating manner, the limiting plates 17 are steel plates, and the limiting plates 17 are arranged at intervals in the length direction of the reinforcing rod 14; the limiting bearing 16 and the limiting plate 17 are integrally welded and are connected with the lower supporting platform 19 through a connecting column 18 and a bolt 11.
In this embodiment, the supporting platform 19 is a rectangular steel member, a supporting column is welded at the center of the bottom surface of the supporting platform 19, and the supporting columns 20 are spliced by supporting column sleeves 21; the bottom of the supporting column 20 is connected with a base 24 through an inclined strut 23, wherein the base 24 is connected with the ground through an anchor bolt or the base 24 can bear the load generated above and is in contact connection with the ground through a counterweight of the base 24; the middle lower part of the supporting column 20 is connected with a limiting clamping plate 22, and the nut placing pieces 13 are correspondingly connected among the limiting clamping plates 22.
As shown in fig. 2 and 3, the vertical bevel gear 1 is positioned at the lower side of the transverse bevel gear 1, and the vertical bevel gear 1 is meshed with the transverse bevel gear 1; the transverse shaft rod 2 and the vertical shaft rod 3 are both made of 6mm stainless steel shaft rods, the transverse shaft rod 2 and the vertical shaft rod 3 both penetrate through the installation box 4, and the transverse shaft rod and the vertical shaft rod are rotatably connected with the installation box 4 through bearings; the vertical shaft lever 3 is connected with the mounting box 4 vertically in a through-length mode, the top of the vertical shaft lever penetrates out of the top of the mounting box 4, the lower side of the top of the mounting box penetrates out of the bottom of the mounting box 4, the bottom of the mounting box is connected with the connecting shaft lever 8 through the connector 5, the connector 5 is a tubular steel piece, the inner diameter of the connector is respectively suitable for the vertical shaft lever 3 and the connecting shaft lever 8, and the connector is detachably connected through a pin.
In this embodiment, the lower end of the connecting shaft rod 8 is connected with a bolt sleeve head 9, the bolt sleeve head 9 is internally connected with a magnet 10, and the size of the groove in the bolt sleeve head 9 is adapted to the size of the top end of the bolt 11. The transverse shaft rod 2 is connected with the extension rod 6 through a connector 5, and scales are arranged on the extension rod 6. The extension rod 6 and the fixed rod 7 are telescopically connected through hydraulic control; wherein the connector 5 is a tubular steel member, the inner diameter of which is adapted to the transverse shaft rod 2 and the extension rod 6 respectively and is detachably connected by a pin joint.
As shown in fig. 4, the inner diameter of the limit bearing 16 is adapted to the outer diameter of the fixing rod 7; the limiting plate 17 is a rectangular steel plate; the limiting plate 17 comprises a limiting plate body 171 and a limiting plate hole 172, wherein the diameter of the limiting plate hole 172 is adapted to the diameter of the reinforcing rod 14, and an arc-shaped notch is formed in the upper part of the limiting plate body 171 and corresponds to the welding limiting bearing 16; the lower part of the limiting plate body 171 is welded with a connecting column 18, and the lower end of the connecting column 18 is connected to the supporting platform 19 through a nut 12.
As shown in fig. 5, the nut placing member 13 includes a placing rod 133 and a placing plate 131 screw-coupled or sleeve-coupled to one end of the placing rod 133; the placing plate 131 is a steel plate, a placing hole 132 is formed in the placing plate 131 corresponding to the size of the nut 12, and the lower side of the placing hole 132 is adapted to allow the bolt 11 to pass through; the placing rod 133 is made of steel pipes, the placing rod 133 is spliced by placing a rod sleeve 134, and one end of the placing plate 131 which is not connected with the placing rod is inserted into the limiting clamping plate 22 to limit the vertical position. The limiting clamping plate 22 is a rectangular steel strip plate, and a hole for connecting the placing rod 133 is formed in the position of the supporting column 20 where the limiting clamping plate 22 is located; the limiting clamping plates 22 are arranged in parallel at the upper side and the lower side of the hole.
With reference to fig. 1 to 5, a construction method for a narrow space air duct bolt fastening device is further described, which comprises the following specific steps:
after the construction of the air pipe is completed, manufacturing an extension rod 6 and a fixed rod 7 according to the installation length of an actual bolt 11 to be fastened, wherein the extension and contraction of the extension rod 6 and the fixed rod 7 are controlled through hydraulic pressure; determining the height of the limit bearing 16 according to the height of the bolt 11 to be fastened; the nut placing member 13 is made according to the size and the installation length of the nut 12.
In this embodiment, when the nut placing member 13 is manufactured, if the nuts 12 are in the same straight line range, a plurality of placing plates 131 may be connected side by side on one placing rod 133; if the nut 12 is arranged in a plurality of linear lengths, a plurality of placing rods 133 can be arranged in parallel according to the number of linear strips so as to adapt to the quick installation of the nut 12.
Step two, manufacturing the installation box 4 and the bevel gear 1, arranging the bevel gear 1 in a right angle according to the design, and testing the meshing rotation fluency of the bevel gear 1; an illuminator 25 and a miniature camera 26 are arranged at the lower part of the installation box 4, the reinforcing rod 14 is arranged at the side surface, and the leads of the illuminator 25 and the miniature camera 26 penetrate into the reinforcing rod 14 from the inside of the installation box 4 and are finally connected with an external power supply and a display; in a construction site with a good network condition, the illuminator 25 and the micro-camera 26 may also be controlled in a wireless manner.
Step three, manufacturing a limiting bearing 16, a limiting plate 17 and a limiting clamp plate 22, integrally connecting the limiting bearing 16 and the limiting plate 17, pre-connecting the limiting bearing and the limiting plate 17 to a supporting platform 19, and connecting the limiting clamp plate 22 to a support column 20 of one section; the opposite surfaces of the two position-limiting clamping plates 22 are rough surfaces for fixing the placing rod 133.
Step four, mounting a base 24, assembling the supporting column 20 and the connecting inclined strut 23 on the base 24, and determining the position of the upper limiting clamp plate 22 of the supporting column 20 according to the position of the bolt 11 to be mounted at the air pipe; and a supporting platform 19, a connecting column 18, a limiting plate 17 and a limiting bearing 16 are arranged corresponding to the designed positions of the fixed rod 7 and the reinforcing rod 14.
When the limiting clamp plate 22 is installed, the nut placing piece 13 is installed in advance in an experiment mode, so that the placing plate 131 is tightly attached to the bolt 11 to be fastened to place the position where the nut 12 needs to be placed, and the position of the limiting clamp plate 22 is determined after the position is qualified; the limiting plate 17 and the limiting bearing 16 are prefabricated and welded in advance according to the position distance between the fixing rod 7 and the reinforcing rod 14, the connecting column 18 is welded below the limiting plate 17, and the connecting column 18 is fastened and connected through the nut 12 after being connected to the supporting platform 19 in advance according to on-site measurement.
Connecting a bolt sleeve head 9 at the lower end of a vertical shaft rod 3 in the installation box 4, connecting a bolt 11 through a magnet 10, connecting an extension rod 6 with a transverse shaft rod 2, extending the extension rod 6 under hydraulic control, preliminarily reaching the position of the bolt 11 to be fastened, finely adjusting the position of the bolt 11 according to an image transmitted by a micro camera 26, aligning the bolt to a reserved bolt hole, and starting an illuminator 25 if light is dark.
Sixthly, putting the corresponding nut 12 into the placing plate 131, and penetrating the placing rod 133 into the limiting clamping plate 22 for vertical positioning; after reaching the specified position along the lower side of the bolt 11 to be fastened, the image transmitted by the micro camera 26 finely adjusts the horizontal position of the placing plate 131 until the nut 12 is aligned with the upper bolt 11.
Seventhly, connecting an electric rotating machine or manually rotating at the outer end part of the fixing rod 7, so that the bolt 11 penetrates into the nut 12 in the placing plate 131; as bolts 11 are screwed in, mounting box 4 will gradually fall, at which time the connection length of support post sleeves 21 under support platform 19 is adjusted to accommodate the falling height of mounting box 4.
Step eight, after the installation of the bolt 11 is completed, lifting the support column 20 below the support platform 19 and contracting the extension rod 6 to connect the bolt 11 of the next installation point, and extending towards the next installation point after the connection is completed; the reinforcing rod 14 and the placing rod 133 are spliced and lengthened or shortened corresponding to the length of the extension rod 6 through the sleeves connected with each other until the fastening and installation of all the bolts 11 are completed.
In addition, when the height of the installation box 4 changes slightly during construction, the nut 12 between the connecting column 18 and the supporting platform 19 can be loosened, and the lifting of the installation box 4 can be matched by the lifting of the connecting column 18.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that may be made by those skilled in the art within the technical scope of the present invention will be covered by the scope of the present invention.
Claims (10)
1. A bolt fastening device for an air pipe in a narrow space is characterized by comprising an installation box (4), a group of bevel gears (1) which are connected inside the installation box (4) in a transverse and vertical right-angle mode, a transverse shaft rod (2) connected to the outer end part of the transverse bevel gear (1), a vertical shaft rod (3) connected to the end part of the vertical bevel gear (1), an extension rod (6) and a fixed rod (7) connected to the outer end part of the transverse shaft rod (2), a connecting shaft rod (8) and a bolt sleeve head (9) connected to the lower end part of the vertical shaft rod (3), and a nut placing piece (13) located below the bolt sleeve head (9);
the nut placing piece (13) comprises a placing rod (133) and a placing plate (131) detachably connected to one end of the placing rod (133), and a placing hole (132) is formed in the placing plate (131) corresponding to the size of the nut (12);
the vertical bevel gear (1) is positioned at the lower side of the transverse bevel gear (1), and the vertical bevel gear (1) is meshed with the transverse bevel gear (1); the transverse shaft rod (2) and the vertical shaft rod (3) penetrate through the installation box (4), and are rotatably connected with the installation box (4);
the installation box (4) is a rectangular box, and the bottom surface of the installation box (4) is detachably connected with an illuminator (25) and a miniature camera (26); a reinforcing rod (14) is connected to the lower part of one side of the transverse shaft rod (2) of the mounting box (4), and a limiting plate (17) is connected to the outer end of the reinforcing rod (14);
the extension rod (6) is telescopically connected with the fixed rod (7), and the outer end part of the fixed rod (7) is connected with a limit bearing (16); the limiting bearing (16) and the limiting plate (17) are integrally connected and are connected with a lower supporting platform (19) through a connecting column (18);
a supporting column (20) is connected below the supporting platform (19), and the bottom end of the supporting column (20) is connected with a base (24) connected with the ground; the support column (20) is further connected with limiting clamping plates (22), and the limiting clamping plates (22) are correspondingly connected with each other in a penetrating mode to place the rods (133).
2. The narrow space air duct bolt fastening device as claimed in claim 1, wherein the vertical shaft rod (3) is connected with the mounting box (4) vertically in a through manner, and the lower side of the vertical shaft rod (3) penetrates through the mounting box (4) and is connected with the connecting shaft rod (8) through the connector (5); the transverse shaft rod (2) is connected with the extension rod (6) through a connector (5); scales are arranged on the extension rod (6).
3. The bolt fastening device for the air duct in the narrow space as claimed in claim 1, wherein the magnet (10) is connected inside the bolt sleeve head (9), and the size of the groove inside the bolt sleeve head (9) is adapted to the size of the top end of the bolt (11).
4. The bolt fastening device for the air duct in the narrow space as claimed in claim 1, wherein the limit bearings (16) are arranged at intervals in the length direction of the fixing rod (7) and are rotatably connected with the fixing rod (7); the limiting plates (17) are arranged at intervals in the length direction of the reinforcing rod (14) and are connected with the reinforcing rod (14) in a penetrating manner; the limiting bearings (16) and the limiting plates (17) are connected up and down and are at least arranged in two.
5. The bolt fastening device for the air duct in the narrow space as claimed in claim 1, wherein the reinforcing rod (14) is a hollow tube, and is spliced by a reinforcing rod sleeve (15); the reinforcing rod (14) is internally provided with an insulating layer and is connected with the wires of the illuminator (25) and the miniature camera (26) in a penetrating way.
6. The air pipe bolt fastening device for the narrow space as claimed in claim 1, wherein the limiting plate (17) is a rectangular plate, and an arc-shaped gap is formed in the upper part of the rectangular plate and correspondingly connected with the limiting bearing (16); the lower part of the limiting plate (17) is connected with a connecting column (18), and the lower end of the connecting column (18) is detachably connected with a supporting platform (19).
7. The narrow space air duct bolt fastening device as claimed in claim 1 or 6, wherein the supporting platform (19) is a rectangular piece, a supporting column (20) is connected to the center of the bottom surface of the supporting platform (19), and the supporting column (20) is formed by splicing supporting column sleeves (21); the bottom of the supporting column (20) and the base (24) are also connected with an inclined strut (23).
8. The bolt fastening device for the narrow space air duct according to claim 1, wherein the position-limiting clamping plate (22) is a rectangular slat, and a hole for passing the placing rod (133) is formed at the supporting column (20) where the position-limiting clamping plate (22) is located; the limiting clamping plates (22) are arranged in parallel at the upper side and the lower side of the hole.
9. The bolt fastening device for the narrow space air duct according to claim 1, wherein the placing rod (133) is spliced by a placing rod sleeve (134), and one end of the placing rod, which is not connected with the placing plate (131), penetrates into the limit clamp plate (22).
10. The construction method for the bolt fastening device of the air duct in the narrow space as claimed in any one of claims 1 to 9, is characterized by comprising the following concrete steps:
after the construction of the air pipe is completed, manufacturing an extension rod (6) and a fixed rod (7) according to the installation length of an actual bolt (11) to be fastened, wherein the extension and contraction of the extension rod (6) and the fixed rod (7) are controlled through hydraulic pressure; determining the height of the limiting bearing (16) according to the height of the bolt (11) to be fastened; manufacturing a nut placing piece (13) according to the size and the installation length of the nut (12);
manufacturing an installation box (4) and a bevel gear (1), arranging the bevel gear (1) at a right angle according to design, and testing the meshing rotation fluency of the bevel gear (1); an illuminator (25) and a miniature camera (26) are arranged at the lower part of the mounting box (4), and a reinforcing rod (14) is arranged at the side surface; the wires of the illuminator (25) and the miniature camera (26) are connected into the reinforcing rod (14) from the inside of the mounting box (4) in a penetrating way, and are finally connected with an external power supply and a display;
step three, manufacturing a limiting bearing (16), a limiting plate (17) and a limiting clamp plate (22), integrally connecting the limiting bearing (16) and the limiting plate (17) and pre-connecting the limiting bearing and the limiting plate (17) on a supporting platform (19), and connecting the limiting clamp plate (22) on a supporting column (20) of one section;
fourthly, installing a base (24), assembling the supporting column (20) on the base (24), and determining the position of a limiting clamp plate (22) on the supporting column (20) according to the position of the bolt (11) to be installed at the air pipe; a supporting platform (19), a connecting column (18), a limiting plate (17) and a limiting bearing (16) are arranged at the designed positions corresponding to the fixing rod (7) and the reinforcing rod (14);
connecting a bolt sleeve head (9) with the lower end of a vertical shaft rod (3) in an installation box (4), connecting a bolt (11) through a magnet (10), connecting an extension rod (6) with a horizontal shaft rod (2), extending the extension rod (6) under hydraulic control, preliminarily reaching the position of the bolt (11) to be fastened, finely adjusting the position of the bolt (11) according to an image transmitted by a micro camera (26) to align the bolt to a reserved bolt hole, and starting an illuminator (25) if light is dark;
sixthly, putting the corresponding nut (12) in the placing plate (131), and penetrating the placing rod (133) into the limiting clamping plate (22) for vertical positioning; after reaching a designated position along the lower part of the bolt (11) to be fastened, finely adjusting the horizontal position of the placing plate (131) by an image transmitted by the micro camera (26) until the nut (12) is aligned with the upper bolt (11);
seventhly, connecting an electric rotating machine or manually rotating at the outer end part of the fixing rod (7) to enable the bolt (11) to penetrate into the nut (12) in the placing plate (131); along with the screwing of the bolt (11), the installation box (4) gradually falls, and the connection length of the support column sleeve (21) below the support platform (19) is adjusted to adapt to the falling height of the installation box (4);
step eight, after the installation of the bolt (11) at the position is finished, lifting a support column (20) below the support platform (19) and contracting the extension rod (6) to connect the bolt (11) of the next installation point, and extending towards the next installation point after the connection is finished; the reinforcing rod (14) and the placing rod (133) are spliced, lengthened or shortened corresponding to the length of the extension rod (6) through respective connected sleeves until the fastening and installation of all the bolts (11) are completed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910910525.1A CN110640685B (en) | 2019-09-25 | Air duct bolt fastening device for narrow space and construction method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910910525.1A CN110640685B (en) | 2019-09-25 | Air duct bolt fastening device for narrow space and construction method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110640685A true CN110640685A (en) | 2020-01-03 |
| CN110640685B CN110640685B (en) | 2024-06-04 |
Family
ID=
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112091893A (en) * | 2020-08-26 | 2020-12-18 | 江西昌河航空工业有限公司 | Throttle valve mounting device and method |
| CN113478427A (en) * | 2021-05-18 | 2021-10-08 | 上海市安装工程集团有限公司 | Internal corner flange fastening device for air pipe of air pipe well |
| CN113770711A (en) * | 2021-09-02 | 2021-12-10 | 上海市安装工程集团有限公司 | Bolt disassembling tool |
| CN113973462A (en) * | 2020-07-23 | 2022-01-25 | 株洲中车机电科技有限公司 | Electric appliance board and electric appliance box capable of being conveniently disassembled and assembled |
| CN114012665A (en) * | 2021-11-12 | 2022-02-08 | 中国华冶科工集团有限公司 | High-strength bolt mounting device and mounting method thereof |
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| CN202517443U (en) * | 2012-03-23 | 2012-11-07 | 陕西科技大学 | Dark corner sleeve detacher |
| CN203109858U (en) * | 2013-03-07 | 2013-08-07 | 辽宁省电力有限公司盘锦供电公司 | Bevel gear intermediate shaft insulating spanner |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113973462A (en) * | 2020-07-23 | 2022-01-25 | 株洲中车机电科技有限公司 | Electric appliance board and electric appliance box capable of being conveniently disassembled and assembled |
| CN113973462B (en) * | 2020-07-23 | 2023-04-18 | 株洲中车机电科技有限公司 | Electric appliance board and electric appliance box capable of being conveniently disassembled and assembled |
| CN112091893A (en) * | 2020-08-26 | 2020-12-18 | 江西昌河航空工业有限公司 | Throttle valve mounting device and method |
| CN112091893B (en) * | 2020-08-26 | 2021-12-31 | 江西昌河航空工业有限公司 | Throttle valve mounting device and method |
| CN113478427A (en) * | 2021-05-18 | 2021-10-08 | 上海市安装工程集团有限公司 | Internal corner flange fastening device for air pipe of air pipe well |
| CN113770711A (en) * | 2021-09-02 | 2021-12-10 | 上海市安装工程集团有限公司 | Bolt disassembling tool |
| CN113770711B (en) * | 2021-09-02 | 2023-11-24 | 上海市安装工程集团有限公司 | Bolt dismounting tool |
| CN114012665A (en) * | 2021-11-12 | 2022-02-08 | 中国华冶科工集团有限公司 | High-strength bolt mounting device and mounting method thereof |
| CN114012665B (en) * | 2021-11-12 | 2023-09-22 | 中国华冶科工集团有限公司 | High-strength bolt mounting device and mounting method thereof |
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