CN112324199A - Construction method for prefabricated substation - Google Patents
Construction method for prefabricated substation Download PDFInfo
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- CN112324199A CN112324199A CN202011184077.0A CN202011184077A CN112324199A CN 112324199 A CN112324199 A CN 112324199A CN 202011184077 A CN202011184077 A CN 202011184077A CN 112324199 A CN112324199 A CN 112324199A
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- transformer substation
- side wall
- frame
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- 238000010276 construction Methods 0.000 title claims abstract description 18
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 18
- 238000000034 method Methods 0.000 claims abstract description 18
- 239000010959 steel Substances 0.000 claims abstract description 18
- 238000001125 extrusion Methods 0.000 claims description 21
- 238000009434 installation Methods 0.000 claims description 19
- 238000001179 sorption measurement Methods 0.000 claims description 16
- 238000005096 rolling process Methods 0.000 claims description 8
- 238000005260 corrosion Methods 0.000 claims description 3
- 241000252254 Catostomidae Species 0.000 claims 3
- 230000000694 effects Effects 0.000 description 4
- 230000003139 buffering effect Effects 0.000 description 3
- 238000013016 damping Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 210000001503 joint Anatomy 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
- E04H5/00—Buildings or groups of buildings for industrial or agricultural purposes
- E04H5/02—Buildings or groups of buildings for industrial purposes, e.g. for power-plants or factories
- E04H5/04—Transformer houses; Substations or switchgear houses
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G21/00—Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
- E04G21/14—Conveying or assembling building elements
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G21/00—Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
- E04G21/14—Conveying or assembling building elements
- E04G21/16—Tools or apparatus
- E04G21/18—Adjusting tools; Templates
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G21/00—Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
- E04G21/14—Conveying or assembling building elements
- E04G21/16—Tools or apparatus
- E04G21/18—Adjusting tools; Templates
- E04G21/1841—Means for positioning building parts or elements
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Mechanical Engineering (AREA)
- Power Engineering (AREA)
- Load-Engaging Elements For Cranes (AREA)
Abstract
The invention relates to a construction method for a prefabricated substation, which uses a positioning and placing device, wherein the positioning and placing device comprises a movable base, a fixed frame, a positioning device and an adjusting device, and the specific method for constructing the prefabricated substation by adopting the positioning and placing device comprises the following steps: laying basic section steel, laying a grounding grid, carrying a transformer, installing the transformer and terminating a cable. The positioning and placing equipment provided by the invention can play a role in supporting and positioning the transformer, can finely adjust the position of the transformer according to actual needs, can put down the transformer in sections after moving to a specified position, avoids the situation that the transformer is damaged due to overlarge impact force after the transformer is put down at one time, can continuously guide the transformer in the putting-down process, and avoids errors between the actual placing position and the designed placing position of the transformer.
Description
Technical Field
The invention relates to the field of electric power, in particular to a construction method for a prefabricated substation.
Background
The prefabricated substation realizes electrical connection through a cable or a bus, and all high-low voltage distribution devices and substations are conventional shaped products. The prefabricated substation has the advantages of small volume, small occupied area, light weight, low manufacturing cost and reliability, and is called as a box type substation or a prefabricated substation. At present, some problems exist in the process of construction and installation of a preassembled transformer substation:
(1) the whole volume and the weight of the prefabricated substation are large, and the hoisting position of the prefabricated substation is difficult to control accurately when the prefabricated substation is hoisted by using the conventional hoisting equipment, so that the substation can be placed at a specified position often through multiple adjustments, the whole working time is long, and the control difficulty is large;
(2) after moving the transformer substation to directly over the appointed place position, current lifting device often chooses slowly to put down the transformer substation in order to reduce the impact that the transformer substation received, and this process needs pass through multiple operation, and the error constantly accumulates in the operation process, leads to the transformer substation actually to place the position and can't coincide completely with the appointed place position, must adjust the transformer substation position once more.
In order to solve the problems and reduce the construction and installation difficulty of the prefabricated substation, the invention provides a construction method for constructing the prefabricated substation.
Disclosure of Invention
In order to achieve the purpose, the invention adopts the following technical scheme to realize the purpose:
a construction method for a prefabricated substation uses a positioning and placing device, wherein the positioning and placing device comprises a movable base, a fixed frame, a positioning device and an adjusting device, and the specific method for constructing the prefabricated substation by adopting the positioning and placing device comprises the following steps:
s1, laying the basic section steel: after digging a foundation pit at a specified position, laying basic section steel according to a drawing and a specification requirement, and performing anti-corrosion treatment on the basic section steel;
s2, laying a grounding grid: laying a grounding grid in a manual mode, and after laying work, carrying out backfill hiding treatment;
s3, carrying of the transformer substation: placing the transformer substation in the positioning and placing equipment through the hoisting equipment, and transporting the positioning and placing equipment to a construction site through a transport tool;
s4, transformer substation installation: under the coordination of the positioning and placing equipment, the transformer substation is installed at a specified position;
s5, cable termination: connecting the wiring terminal of the transformer substation with a pre-installed connecting cable in a manual mode;
two groups of fixing frames are symmetrically arranged at the left and right of the upper end of the movable base, the number of each group of fixing frames is two, the two fixing frames are oppositely arranged front and back, an installation groove is formed in the inner side wall of each fixing frame, a supporting groove is formed in the lower end of each fixing frame, an air vent communicated with the installation groove is formed in the outer side of the installation groove, opening and closing grooves communicated with the air vent are formed in the upper end and the lower end of the air vent, a positioning device is installed in the installation groove, the side wall;
the positioning device comprises a bearing plate, a driving cylinder, a positioning sucker, a working box, an air pump, a linkage rod, an extrusion frame, a sleeve, a lifting block and an opening and closing sheet, wherein the bearing plate is slidably arranged in a bearing groove, the driving cylinder is arranged between the bearing plate and the side wall of a fixing frame, the working box is arranged on the side wall of the fixing frame, an air hole is formed in the outer wall of the working box, the air pump is arranged outside the air hole, the air pump is connected with an air hole through a pipeline, the positioning sucker is arranged on the inner side of the air hole and connected with the positioning sucker through the linkage rod, the side wall of the positioning sucker, which is positioned at the uppermost part and the lowermost part of a fixing groove, is connected with the side wall of the extrusion frame, the extrusion frame is arranged on the inner wall of the fixing frame in a sliding fit mode, the sleeve is sleeved on the outer side of, the opening and closing sheet is slidably arranged in the opening and closing groove, and springs are connected between the extrusion frame and the inner wall of the fixed frame and between the opening and closing sheet and the inner wall of the opening and closing groove; after placing the transformer substation on the bearing board, suitably adjust the removal base, make the mount inner wall hug closely with the transformer substation lateral wall, the extrusion frame receives the extrusion of transformer substation and outwards removes this moment, drive the outside removal of the positioning suction cup rather than being connected, the positioning suction cup removes the in-process, the sleeve produces thrust to opening and shutting the piece, make the interval increase between two opening and shutting pieces of upper and lower mutual disposition, when extrusion frame inside wall and mount inside wall parallel and level, the positioning suction cup outside docks with the air vent inboard, the positioning suction cup just can produce the adsorption affinity, in order to fix a position the transformer substation, it is fixed.
The adjusting device comprises an adjusting plate, a connecting frame, an adjusting cam and a working motor, wherein the upper end and the lower end of the adjusting plate are connected with the side wall of the fixing frame in a sliding fit mode; the working motor drives the adjusting cam to rotate in a reciprocating manner, so as to drive the adjusting frame connected with the adjusting cam in a sliding manner to move left and right, so that the adjusting plate can move left and right relative to the positioning device, so that the positioning sucker intermittently generates adsorption force on the side wall of the transformer substation, when the adsorption force disappears, the transformer substation can move up and down or left and right relative to the positioning device, when the bearing plate is moved to the upper end of the appointed installation position, the bearing plate is driven to move outwards by the driving cylinder, when the bearing plate is not contacted with the transformer substation any more, the transformer substation can slide downwards, and meanwhile, the adjusting plate is driven to reciprocate by the adjusting device, so that the positioning sucker intermittently applies adsorption force to the transformer substation, the transformer substation falling speed is reduced, a certain positioning and guiding effect is achieved, and deviation between the actual falling position and the expected falling position of the transformer substation is avoided.
Preferably, the movable base comprises four base plates, a first connecting rod, a second connecting rod, a connecting bolt and a movable wheel, the four base plates are equally divided into two groups which are oppositely arranged front and back, the two base plates in the same group are oppositely arranged left and right, the first connecting rod is arranged between the two base plates which are oppositely arranged front and back, the second connecting rod is arranged between the two base plates which are oppositely arranged left and right, the first connecting rod and the second connecting rod are fixed on the base plates through bolts, the side walls of the first connecting rod and the second connecting rod are tightly attached to the inner walls of connecting holes formed in the base plates, and the movable wheel is arranged at the lower end of each base plate; the distance between the two base plates arranged in front and back and the two base plates arranged in left and right can be adjusted according to actual working requirements.
Preferably, when the positioning suction cup outside hugs closely with the locating hole inner wall, the positioning suction cup is contactless with the regulation hole for the regulating plate can remove about the relative positioning suction cup, and when the locating hole coincided with the regulation hole, the positioning suction cup can produce the adsorption affinity to the lateral wall of transformer substation, otherwise the positioning suction cup can't produce the adsorption affinity to the lateral wall of transformer substation.
Preferably, the inner wall of the lower end of the bearing groove is uniformly provided with rolling steel balls so as to reduce the friction force generated when the bearing plate moves, and the inner side of the upper end of the bearing groove is provided with a matching groove.
Preferably, the inner side of the bearing plate is provided with a lifting groove, a lifting block is slidably mounted in the lifting groove, and a spring is mounted between the lifting block and the inner wall of the lifting groove; when the contact of elevator upper end and transformer substation lower extreme, under the extrusion of transformer substation, the elevator moves down, make its up end can with the bearing board up end parallel and level, when the bearing board outwards moves gradually under the drive that drives actuating cylinder, the elevator also outwards moves gradually relatively the transformer substation, when the elevator no longer contacts with the transformer substation, under the spring action of spring, the elevator upwards moves, make its top hug closely mutually with the cooperation inslot wall, it just can't drive the actuating cylinder and continue outwards to drive the bearing board this moment, avoid taking place because of the too big condition that leads to the bearing board to drop from the bearing inslot of range of removal.
Preferably, a plurality of spherical grooves are uniformly formed in the upper end of the bearing plate, rubber supports are mounted in the spherical grooves, and rolling steel balls are rotatably mounted in the rubber supports; the rubber support can play a certain buffering and damping role in the process of placing the transformer substation on the bearing plate, and the rolling steel balls can reduce the friction force generated when the position of the transformer substation is finely adjusted, so that the working difficulty is reduced.
The invention has the beneficial effects that:
1. the positioning and placing equipment provided by the invention can play a role in supporting and positioning the transformer substation, can finely adjust the position of the transformer substation according to actual needs, can put down the transformer substation in sections after moving to a specified position, avoids the situation that the transformer substation is damaged due to overlarge impact force after the transformer substation is put down at one time, can continuously guide the transformer substation in the putting-down process, and avoids errors between the actual placing position and the designed placing position of the transformer substation.
2. According to the adjusting device provided by the invention, the adjusting plate is driven to reciprocate through the adjusting device, so that the positioning sucker and the adjusting hole can relatively reciprocate, when the positioning sucker is superposed with the adjusting hole, the positioning sucker exerts adsorption force on the transformer substation, and when the positioning sucker is not superposed with the adjusting hole, the positioning sucker cannot exert adsorption force on the transformer substation, so that the positioning sucker intermittently generates adsorption force on the side wall of the transformer substation, and a certain positioning and guiding effect can be achieved in the moving process of the transformer substation.
3. The positioning device provided by the invention can play roles in positioning, buffering and guiding in the process of carrying and installing the transformer substation, and the positioning sucker can adsorb the side wall of the transformer substation only when the transformer substation is tightly attached to the extrusion frame, so that the inner side wall of the extrusion frame is flush with the inner side wall of the fixing frame, and the situation that the transformer substation is not placed in place and is adsorbed by the positioning sucker, so that the position of the transformer substation is difficult to adjust is avoided.
Drawings
The invention is further illustrated with reference to the following figures and examples.
FIG. 1 is a flow chart of a method of the present invention;
FIG. 2 is a front view of the positioning placement device of the present invention;
FIG. 3 is a top view of the positioning and placement apparatus of the present invention;
FIG. 4 is a left side view of the working chamber of the present invention and a portion of the structure of the adjusting device;
FIG. 5 is a right side view of the adjustment plate of the present invention;
FIG. 6 is a left side view of the adjustment plate of the present invention;
FIG. 7 is an enlarged view of the invention taken from the line A of FIG. 2;
fig. 8 is a partial enlarged view of the invention in the direction B of fig. 2.
Detailed Description
The embodiments of the invention will be described in detail below with reference to the drawings, but the invention can be implemented in many different ways as defined and covered by the claims.
As shown in fig. 1 to 8, a method for constructing a preassembled transformer substation uses a positioning device, which includes a mobile base 1, a fixed frame 2, a positioning device 3 and an adjusting device 4, and the specific method for constructing the preassembled transformer substation by using the positioning device is as follows:
s1, laying the basic section steel: after digging a foundation pit at a specified position, laying basic section steel according to a drawing and a specification requirement, and performing anti-corrosion treatment on the basic section steel;
s2, laying a grounding grid: laying a grounding grid in a manual mode, and after laying work, carrying out backfill hiding treatment;
s3, carrying of the transformer substation: placing the transformer substation in the positioning and placing equipment through the hoisting equipment, and transporting the positioning and placing equipment to a construction site through a transport tool;
s4, transformer substation installation: under the coordination of the positioning and placing equipment, the transformer substation is installed at a specified position;
s5, cable termination: connecting the wiring terminal of the transformer substation with a pre-installed connecting cable in a manual mode;
two groups of fixing frames 2 are symmetrically arranged at the left and right of the upper end of the movable base 1, the number of each group of fixing frames 2 is two, the two fixing frames 2 are oppositely arranged front and back, an installation groove is formed in the inner side wall of each fixing frame 2, a supporting groove is formed in the lower end of each fixing frame 2, an air vent communicated with the installation groove is formed in the outer side of the installation groove, opening and closing grooves communicated with the air vent are formed in the upper end and the lower end of each air vent, a positioning device 3 is installed in the installation groove, the side wall of each positioning device;
the movable base 1 comprises base plates 11, a first connecting rod 12, a second connecting rod 13, connecting bolts 14 and movable wheels 15, the number of the base plates 11 is four, four base plates 11 are equally divided into two groups which are oppositely arranged front and back, two base plates 11 in the same group are oppositely arranged left and right, the first connecting rod 12 is arranged between the two base plates 11 which are oppositely arranged front and back, the second connecting rod 13 is arranged between the two base plates 11 which are oppositely arranged left and right, the first connecting rod 12 and the second connecting rod 13 are fixed on the base plates 11 through bolts, the side walls of the first connecting rod 12 and the second connecting rod 13 are tightly attached to the inner wall of a connecting hole formed in the base plates 11, and the movable wheels 15 are arranged at the lower; the distance between the two base plates 11 arranged in front and back and the two base plates 11 arranged in left and right can be adjusted according to actual working requirements.
The positioning device 3 comprises a bearing plate 31, a driving cylinder 32, a positioning suction disc 33, a working box 34, an air pump 35, a linkage rod 36, an extrusion frame 37, a sleeve 38, a lifting block 39 and an opening and closing sheet 310, wherein the bearing plate 31 is slidably mounted in a bearing groove, the driving cylinder 32 is mounted between the bearing plate 31 and the side wall of the fixing frame 2, the working box 34 is mounted on the side wall of the fixing frame 2, an air hole is formed in the outer wall of the working box 34, the air pump 35 is mounted outside the air hole, the air pump 35 is connected with an air hole through a pipeline, the positioning suction disc 33 is arranged on the inner side of the air hole, the positioning suction discs 33 are connected through the linkage rod 36, the side wall of the positioning suction disc 33 positioned at the uppermost part and the lowermost part of the fixing groove is connected with the side wall of the extrusion frame 37, the extrusion frame, the sleeve 38 is a hollow round platform structure, the upper and lower ends of the sleeve 38 are tightly attached to the inner side wall of the lifting block 39, the outer side wall of the lifting block 39 is connected with the side wall of the opening and closing sheet 310, the opening and closing sheet 310 is slidably mounted in the opening and closing groove, and springs are connected between the extrusion frame 37 and the inner wall of the fixed frame 2 and between the opening and closing sheet 310 and the inner wall of the opening and closing groove; after placing the transformer substation on bearing board 31, carry out appropriate regulation to removal base 1, make 2 inner walls of mount hug closely with the transformer substation side wall, extrusion frame 37 receives the squeezing action of transformer substation and outwards removes this moment, drive the outside removal of positioning suction cup 33 that is connected with it, positioning suction cup 33 removes the in-process, sleeve 38 produces thrust to opening and shutting piece 310, make two of upper and lower mutual disposition open and shut the interval increase between the piece 310, when extrusion frame 37 inside wall and 2 inside wall parallel and level of mount, the inboard butt joint of positioning suction cup 33 outside and air vent, positioning suction cup 33 just can produce the adsorption affinity, in order to fix a position, fixed to the transformer substation.
When the outside of the positioning suction disc 33 is tightly attached to the inner wall of the positioning hole, the positioning suction disc 33 is not in contact with the adjusting hole, so that the adjusting plate 41 can move left and right relative to the positioning suction disc 33, when the positioning hole is overlapped with the adjusting hole, the positioning suction disc 33 can generate adsorption force on the side wall of the transformer substation, otherwise, the positioning suction disc 33 cannot generate adsorption force on the side wall of the transformer substation.
The inner wall of the lower end of the bearing groove is uniformly provided with rolling steel balls so as to reduce the friction force generated when the bearing plate 31 moves, and the inner side of the upper end of the bearing groove is provided with a matching groove.
A lifting groove is formed in the inner side of the bearing plate 31, a lifting stop block 31a is arranged in the lifting groove in a sliding mode, and a spring is arranged between the lifting stop block 31a and the inner wall of the lifting groove; when lift dog 31a upper end and transformer substation lower extreme contact, under the extrusion of transformer substation, lift dog 31a moves down, make its up end can with bearing board 31 up end parallel and level, when bearing board 31 outwards moves gradually under the drive that drives actuating cylinder 32, lift dog 31a also outwards moves gradually relatively the transformer substation, when lift dog 31a and transformer substation no longer contact, under the elastic force effect of spring, lift dog 31a upwards moves, make its top hug closely mutually with the cooperation inslot wall, it just can't drive bearing board 31 and continue outwards to move to drive actuating cylinder 32 this moment, avoid taking place because of the too big condition that leads to bearing board 31 to drop from the bearing inslot of range of movement.
A plurality of spherical grooves are uniformly formed in the upper end of the bearing plate 31, rubber supports 31b are mounted in the spherical grooves, and rolling steel balls are rotatably mounted in the rubber supports 31 b; the rubber support 31b can play a certain role in buffering and damping in the process of placing the transformer substation on the bearing plate 31, and the rolling steel balls can reduce the friction force generated when the position of the transformer substation is finely adjusted, so that the working difficulty is reduced.
The adjusting device 4 comprises an adjusting plate 41 and a connecting frame 42, an adjusting frame 43, an adjusting cam 44 and a working motor 45, wherein the upper end and the lower end of the adjusting plate 41 are connected with the side wall of the fixing frame 2 in a sliding fit mode, the upper end of the adjusting plate 41 is connected with the side wall of the adjusting frame 43 through a connecting frame 42, the adjusting frame 43 is installed on the side wall of the working box 34 in a sliding fit mode, the side wall of the adjusting frame 43 is connected with the side wall of the adjusting cam 44 in a sliding fit mode, the adjusting cam 44 is installed on the side wall of the working box 34 in a rotating mode, the adjusting cam 44 is connected with an output shaft of the working motor 45, the working motor 45 is installed on the side wall of the working box 34 through a motor base, a plurality of adjusting holes are uniformly formed in the adjusting plate 41, the positions of the adjusting holes correspond to the positions of the positioning;
the working motor 45 drives the adjusting cam 44 to rotate in a reciprocating manner, so as to drive the adjusting bracket 43 which is connected with the adjusting cam 44 in a sliding manner to move left and right, so that the adjusting plate 41 can move left and right relative to the positioning device 3, so that the positioning suction cups 33 intermittently generate adsorption force on the side wall of the transformer substation, when the adsorption force disappears, the transformer substation can move up and down or left and right relative to the positioning device 3, when the support plate is moved to the upper end of the appointed installation position, the support plate 31 is driven to move outwards by the driving cylinder 32, when the support plate 31 is no longer in contact with the substation, the substation can slide downwards, and at the same time, the adjusting plate 41 is driven to reciprocate by the adjusting device 4, so that the positioning suction cups 33 intermittently apply suction force to the transformer substation, the transformer substation falling speed is reduced, a certain positioning and guiding effect is achieved, and deviation between the actual falling position and the expected falling position of the transformer substation is avoided.
The present invention is not limited to the above-described embodiments, which are described in the specification and illustrated only to illustrate the principle of the present invention, but various changes and modifications may be made within the scope of the present invention as claimed without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (6)
1. A construction method for a prefabricated substation uses a positioning and placing device, the positioning and placing device comprises a movable base (1), a fixed frame (2), a positioning device (3) and an adjusting device (4), and the method is characterized in that: the specific method for constructing the prefabricated substation by adopting the positioning and placing equipment comprises the following steps:
s1, laying the basic section steel: after digging a foundation pit at a specified position, laying basic section steel according to a drawing and a specification requirement, and performing anti-corrosion treatment on the basic section steel;
s2, laying a grounding grid: laying a grounding grid in a manual mode, and after laying work, carrying out backfill hiding treatment;
s3, carrying of the transformer substation: placing the transformer substation in the positioning and placing equipment through the hoisting equipment, and transporting the positioning and placing equipment to a construction site through a transport tool;
s4, transformer substation installation: under the coordination of the positioning and placing equipment, the transformer substation is installed at a specified position;
s5, cable termination: connecting the wiring terminal of the transformer substation with a pre-installed connecting cable in a manual mode;
the upper end of the movable base (1) is bilaterally and symmetrically provided with two groups of fixing frames (2), the number of each group of fixing frames (2) is two, the two fixing frames (2) are oppositely arranged front and back, the inner side wall of each fixing frame (2) is provided with an installation groove, the lower end of each fixing frame (2) is provided with a supporting groove, the outer side of each installation groove is provided with a vent hole communicated with the installation groove, the upper end and the lower end of each vent hole are provided with an opening and closing groove communicated with the vent hole, a positioning device (3) is installed in each installation groove, the side wall of each positioning device (3) is connected with;
the positioning device (3) comprises a bearing plate (31), a driving cylinder (32), a positioning sucker (33), a working box (34), an air pump (35), a linkage rod (36), an extrusion frame (37), a sleeve (38), a lifting block (39) and an opening and closing sheet (310), wherein the bearing plate (31) is slidably mounted in a bearing groove, the driving cylinder (32) is mounted between the bearing plate (31) and the side wall of the fixing frame (2), the working box (34) is mounted on the side wall of the fixing frame (2), an air hole is formed in the outer wall of the working box (34), the air pump (35) is mounted outside the air hole, the air pump (35) is connected with an air vent through a pipeline, the positioning sucker (33) is arranged on the inner side of the air vent, the positioning suckers (33) are connected with each other through the linkage rod (36), the side walls of the positioning suckers (33), the extrusion frame (37) is arranged on the inner wall of the fixed frame (2) in a sliding fit mode, the extrusion frame (37) is of an L-shaped structure, a sleeve (38) is sleeved outside the positioning sucker (33), the sleeve (38) is of a hollow circular truncated cone-shaped structure, the upper end and the lower end of the sleeve (38) are tightly attached to the inner side wall of the lifting block (39), the outer side wall of the lifting block (39) is connected with the side wall of the opening and closing sheet (310), the opening and closing sheet (310) is slidably arranged in the opening and closing groove, and springs are respectively connected between the extrusion frame (37) and the inner wall of the fixed frame (2) and between the opening and closing sheet (310) and;
the adjusting device (4) comprises an adjusting plate (41), a connecting frame (42), an adjusting frame (43), an adjusting cam (44) and a working motor (45), the upper end and the lower end of the adjusting plate (41) are connected with the side wall of the fixing frame (2) in a sliding fit mode, the upper end of the adjusting plate (41) is connected with the side wall of the adjusting frame (43) through the connecting frame (42), the adjusting frame (43) is installed on the side wall of the working box (34) in a sliding fit mode, the side wall of the adjusting frame (43) is connected with the side wall of the adjusting cam (44) in a sliding fit mode, the adjusting cam (44) is installed on the side wall of the working box (34) in a rotating mode, the adjusting cam (44) is connected with an output shaft of the working motor (45), the working motor (45) is installed on the side wall of the working box (34) through a, the positions of the adjusting holes correspond to the positions of the positioning suckers (33) one by one, connecting grooves communicated with the adjusting holes are formed between the adjusting holes, and the positions of the connecting grooves correspond to the positions of the linkage rods (36) one by one.
2. The construction method of the preassembled transformer substation according to claim 1, characterized in that: moving base (1) includes base plate (11), connecting rod (12), No. two connecting rod (13), connecting bolt (14) and removal wheel (15), base plate (11) quantity is four, four base plate (11) equally divide into two sets of front and back mutual disposition, mutual disposition about two base plate (11) of the same group, install connecting rod (12) between two base plate (11) of mutual disposition around, install No. two connecting rod (13) between two base plate (11) of controlling mutual disposition, connecting rod (12) and No. two connecting rod (13) all pass through the bolt fastening on base plate (11), connecting rod (12) and No. two connecting rod (13) lateral wall all hug closely with the connecting hole inner wall of seting up on base plate (11), removal wheel (15) are installed to base plate (11) lower extreme.
3. The construction method of the preassembled transformer substation according to claim 1, characterized in that: when the outside of the positioning sucker (33) is tightly attached to the inner wall of the positioning hole, the positioning sucker (33) is not in contact with the adjusting hole, the adjusting plate (41) can move left and right relative to the positioning sucker (33), when the positioning hole is overlapped with the adjusting hole, the positioning sucker (33) can generate adsorption force on the side wall of the transformer substation, and otherwise, the positioning sucker (33) cannot generate adsorption force on the side wall of the transformer substation.
4. The construction method of the preassembled transformer substation according to claim 1, characterized in that: the inner wall of the lower end of the bearing groove is uniformly provided with rolling steel balls so as to reduce the friction force generated when the bearing plate (31) moves, and the inner side of the upper end of the bearing groove is provided with a matching groove.
5. The construction method of the preassembled transformer substation according to claim 1, characterized in that: the inner side of the bearing plate (31) is provided with a lifting groove, a lifting stop block (31a) is arranged in the lifting groove in a sliding mode, and a spring is arranged between the lifting stop block (31a) and the inner wall of the lifting groove.
6. The construction method of the preassembled transformer substation according to claim 4, wherein the construction method comprises the following steps: a plurality of spherical grooves are uniformly formed in the upper end of the bearing plate (31), rubber supports (31b) are installed in the spherical grooves, and rolling steel balls are installed in the rubber supports (31b) in a rotating mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011184077.0A CN112324199B (en) | 2020-10-29 | 2020-10-29 | Construction method for prefabricated substation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
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| CN211456448U (en) * | 2020-03-09 | 2020-09-08 | 广东卓立变压器有限公司 | Small-size intelligent prepackage type transformer substation |
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| CN112324199B (en) | 2021-10-15 |
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