CN111503435A - Sledge base for integrated device and design method thereof - Google Patents
Sledge base for integrated device and design method thereof Download PDFInfo
- Publication number
- CN111503435A CN111503435A CN202010242273.2A CN202010242273A CN111503435A CN 111503435 A CN111503435 A CN 111503435A CN 202010242273 A CN202010242273 A CN 202010242273A CN 111503435 A CN111503435 A CN 111503435A
- Authority
- CN
- China
- Prior art keywords
- integrated device
- reinforcing
- transverse
- longitudinal reinforcing
- skid
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000000034 method Methods 0.000 title claims abstract description 13
- 230000003014 reinforcing effect Effects 0.000 claims abstract description 150
- 230000005484 gravity Effects 0.000 claims description 32
- 238000003466 welding Methods 0.000 claims description 23
- 238000005728 strengthening Methods 0.000 description 10
- 239000000463 material Substances 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000003351 stiffener Substances 0.000 description 1
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
- F16M5/00—Engine beds, i.e. means for supporting engines or machines on foundations
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C1/00—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles
- B66C1/10—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles by mechanical means
- B66C1/22—Rigid members, e.g. L-shaped members, with parts engaging the under surface of the loads; Crane hooks
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B41/00—Equipment or details not covered by groups E21B15/00 - E21B40/00
Abstract
The invention provides a sledge base for an integrated device and a design method thereof, wherein the sledge base comprises a ring beam, a transverse reinforcing beam, a longitudinal reinforcing beam, transverse reinforcing ribs, longitudinal reinforcing ribs, a floor plate, a hanging shaft, a sleeve, a pin shaft and a cotter pin; the ring beam is internally provided with a transverse reinforcing beam and a longitudinal reinforcing beam which are perpendicular to each other, four sleeve pipes are arranged at four corners of the ring beam and are respectively positioned between the two corresponding longitudinal reinforcing beams, longitudinal reinforcing ribs are arranged at two ends of each sleeve pipe, one end of each longitudinal reinforcing rib is connected with the ring beam, the other end of each longitudinal reinforcing rib is connected with the transverse reinforcing rib, and the transverse reinforcing ribs are arranged on the two longitudinal reinforcing beams at two ends of each sleeve pipe; one end of the hanging shaft penetrates through the sleeve to extend outwards and is limited by the pin shaft and the cotter pin; the floor plate is arranged on the upper surface of the ring beam. The skid seat structure can meet the skid requirements of various devices and pipelines, the structure is simple, and the upper layer of the skid seat is paved with the planking for operating the valve instrument.
Description
Technical Field
The invention belongs to the technical field of skid mounting of integrated devices, and particularly relates to a skid seat for an integrated device and a design method thereof.
Background
In the production process of an oil field, the proportion of the integrated device replacing conventional medium and small stations is increased year by year, and various devices and pipelines need to be concentrated into a skid for installation, so that a skid seat of the integrated device needs to be designed, the design of the skid seat of the integrated device needs to meet the structural load bearing during field hoisting, and a skid seat hoisting structure is provided.
Disclosure of Invention
In order to meet the safety requirements of skid mounting and field hoisting of the integrated device, the invention provides a skid seat for the integrated device and a design method thereof. The skid seat structure provided by the invention can meet the skid requirements of various devices and pipelines, is simple in structure, and is paved with the planking for operating the valve instrument.
The technical scheme adopted by the invention is as follows:
a sledge base for an integrated device comprises a ring beam, a transverse reinforcing beam, a longitudinal reinforcing beam, transverse reinforcing ribs, longitudinal reinforcing ribs, a floor plate, a hanging shaft, a sleeve, a pin shaft and a cotter pin; the ring beam is internally provided with a transverse reinforcing beam and a longitudinal reinforcing beam which are perpendicular to each other, four sleeve pipes are arranged at four corners of the ring beam and are respectively positioned between the two corresponding longitudinal reinforcing beams, longitudinal reinforcing ribs are arranged at two ends of each sleeve pipe, one end of each longitudinal reinforcing rib is connected with the ring beam, the other end of each longitudinal reinforcing rib is connected with the transverse reinforcing rib, and the transverse reinforcing ribs are arranged on the two longitudinal reinforcing beams at two ends of each sleeve pipe; one end of the hanging shaft penetrates through the sleeve to extend outwards and is limited by the pin shaft and the cotter pin; the floor plate is arranged on the upper surface of the ring beam.
And the ring beam is respectively connected with the transverse reinforcing beam, the longitudinal reinforcing beam and the longitudinal reinforcing rib through butt welding.
The longitudinal reinforcing beam is respectively connected with the transverse reinforcing beam and the transverse reinforcing rib through butt welding, and the transverse reinforcing rib is connected with the longitudinal reinforcing rib through butt welding.
The bottom surface of the floor board is connected with the top surface of the ring beam through intermittent welding.
The outer part of the sleeve is provided with an inner reinforcing rib and an outer reinforcing rib; the inner reinforcing ribs are provided with inner reinforcing plates, and the outer reinforcing ribs are provided with outer reinforcing plates.
The inner reinforcing ribs are in a cross shape, and the outer reinforcing ribs are in a cross shape.
The sleeve penetrates through the ring beam web and the transverse reinforcing rib web, the hanging shaft penetrates through the sleeve, the outer end portion of the hanging shaft is limited by a shaft shoulder, the inner end portion of the hanging shaft is limited by a pin shaft, and the end portion of the pin shaft is locked by a cotter pin.
The ring beam is rectangular, foundation bolt mounting holes are formed in the ring beam, the pry seat is connected with ground foundation bolts through the mounting holes, and the pry seat is connected with the ground foundation.
A design method of a sledge base for an integrated device is characterized in that: the method comprises the following specific steps:
s1, calculating the gravity centers of all the devices and the skid seat in the integrated device, wherein the gravity centers are respectively M1（X1，Y1），M2（X,2，Y3），M3（X3，Y3）……Mn（Xn，Yn) According to the formula of center of gravity
，
The barycentric coordinate (X) of the whole integrated device is solveda，Yb）；
S2, according to the gravity center coordinate (X) of the integrated devicea，Yb) Arranging the position of the hoisting shaft to ensure that the gravity center of the integrated device is superposed with the hoisting gravity center;
s3, dividing a transverse beam and a transverse reinforcing beam of the ring beam according to the position of the hanging shaft, wherein the outer side is a cantilever beam model, the inner side is a simply supported beam model, and calculating the strength of the transverse beam and the outer side and the inner side of the transverse reinforcing beam of the ring beam according to the uniformly distributed load of the whole skid seat;
checking and calculating an outer cantilever:
checking qualified conditions:
in the formula: f. ofA-outer cantilever beam end point a point deflection (mm);
q-evenly distributing load (N/m);
l-length of outer cantilever section (m);
e-modulus of elasticity (Pa);
j-moment of inertia (m)4）；
Checking and calculating the inner simply supported beam:
checking qualified conditions:
in the formula: f. ofmax-maximum deflection (mm) of section AB of the inner simply supported beam;
q-evenly distributing load (N/m);
l-length (m) of inner simply supported beam;
e-modulus of elasticity (Pa);
j-moment of inertia (m)4）；
S4, checking and calculating the strength of the longitudinal beam and the longitudinal reinforcing beam of the ring beam by adopting an inner side simply supported beam model, calculating the load according to the uniformly distributed load,
checking qualified conditions:
in the formula: f. ofmax-maximum deflection (mm) of section AB of the inner simply supported beam;
q-evenly distributing load (N/m);
l-length (m) of inner simply supported beam;
e-modulus of elasticity (Pa);
j-moment of inertia (m 4);
s5, selecting specifications and lengths of a ring beam, a transverse reinforcing beam and a longitudinal reinforcing beam which meet the rigidity requirement;
s6, performing intensity check on the floor intensity by adopting the largest unsupported surface, wherein the calculation model is a rectangular flat plate with a concentrated load at the center;
checking qualified conditions:
in the formula: f-the maximum deflection (mm) of the largest unsupported surface on the decking;
b-the length of the largest unsupported end edge (mm) on the deck;
p is a concentrated load, (Kg), and 75Kg is taken in consideration of the weight of the floor panel acted by a person;
h-thickness of the plank (cm);
e-modulus of elasticity (kg/cm 2);
l-length (mm);
s7, checking whether the shear strength of the cross section of the lifting shaft meets the lifting strength requirement, wherein the weight of the skid seat and the equipment is borne by 4 lifting shafts during lifting, the load borne by each lifting shaft is 1/4 of the total weight, and the lifting shafts can be simplified into a cantilever beam model acting on concentrated loads;
checking qualified conditions:
in the formula: f. ofA-outer cantilever beam end point a point deflection (mm) (m);
p-concentrated load (N);
l-maximum overhang length (m) of the hanger shaft during lifting;
e-modulus of elasticity (Pa);
j-moment of inertia, J
（m4）。
The invention has the beneficial effects that:
1. the skid seat structure can meet the skid requirements of various devices and pipelines, the structure is simple, and the upper layer of the skid seat is paved with the planking for operating the valve instrument.
2. According to the invention, the gravity center of the integrated device is calculated by establishing a mechanical model, the lifting position is superposed with the X, Y axis of the gravity center of the integrated device, the lifting axis position of the sledge base is designed, the strength and rigidity of the structure and the material of the sledge base are calculated, and the lifting requirement of the integrated device is met.
The following will be further described with reference to the accompanying drawings.
Drawings
FIG. 1 is a top view of a sled base for an integrated device.
FIG. 2 is a front view of a sled base for the integrated device.
Fig. 3 is a cross-sectional view taken at a-a in fig. 1.
Fig. 4 is a schematic view of an inner gusset.
FIG. 5 is a schematic view of an external stiffener.
Fig. 6 shows that the cantilever beam at the outer side bears uniform load.
Fig. 7 shows that the inner simply supported beam bears uniform load in step S3.
Fig. 8 shows that the inner simply supported beam is uniformly loaded in step S4.
Fig. 9 is a model of a cantilever beam acting to concentrate the load.
In the figures, the reference numbers are: 1. a ring beam; 2. transversely reinforcing the beam; 3. a longitudinal reinforcing beam; 4. transverse strengthening ribs; 5. longitudinal reinforcing ribs; 6. an inner reinforcing rib; 7. external reinforcing ribs; 8. paving a board; 9. a hanging shaft; 10. a sleeve; 11. a pin shaft; 12. a cotter pin; 13. an inner reinforcing plate; 14. an outer reinforcing plate.
Detailed Description
Example 1:
in order to meet the safety requirements of skid mounting and field hoisting of the integrated device, the invention provides a skid seat for the integrated device and a design method thereof as shown in figures 1-9. The skid seat structure provided by the invention can meet the skid requirements of various devices and pipelines, is simple in structure, and is paved with the planking for operating the valve instrument.
A sledge base for an integrated device comprises a ring beam 1, a transverse reinforcing beam 2, a longitudinal reinforcing beam 3, transverse reinforcing ribs 4, longitudinal reinforcing ribs 5, a bed plate 8, a hanging shaft 9, a sleeve 10, a pin shaft 11 and a cotter pin 12; the ring beam 1 is internally provided with a transverse reinforcing beam 2 and a longitudinal reinforcing beam 3, the transverse reinforcing beam 2 and the longitudinal reinforcing beam 3 are arranged perpendicular to each other, four sleeves 10 are arranged at four corners of the ring beam 1, the four sleeves 10 are respectively positioned between the two corresponding longitudinal reinforcing beams 3, longitudinal reinforcing ribs 5 are arranged at two ends of each sleeve 10, one end of each longitudinal reinforcing rib 5 is connected with the ring beam 1, the other end of each longitudinal reinforcing rib is connected with the other end of each sleeve through a transverse reinforcing rib 4, and the transverse reinforcing ribs 4 are arranged on the two longitudinal reinforcing beams 3 at two ends of each sleeve 10; one end of the hanging shaft 9 penetrates through the sleeve 10 to extend outwards and is limited by a pin shaft 11 and a cotter pin 12; the planking 8 is arranged on the upper surface of the ring beam 1.
Example 2:
based on embodiment 1, in this embodiment, a method for determining a sled base of an integrated device includes the following specific steps:
s1, calculating the gravity centers of all the devices and the skid seat in the integrated device, wherein the gravity centers are respectively M1（X1，Y1），M2（X,2，Y3），M3（X3，Y3）……Mn（Xn，Yn) According to the formula of center of gravity
，
The barycentric coordinate (X) of the whole integrated device is solveda，Yb）；
S2, according to the gravity center coordinate (X) of the integrated devicea，Yb) The position of the hanging shaft 9 is arranged to ensure that the gravity center of the integrated device is coincided with the gravity center of the hanging;
s3, dividing the transverse beam and the transverse reinforcing beam 2 of the ring beam 1 according to the position of the hanging shaft 9, wherein the outer side is a cantilever beam model, the inner side is a simply supported beam model, and the whole skid seat is calculated according to uniformly distributed loads, and respectively performing strength checking calculation on the outer side and the inner side of the transverse beam of the ring beam 1 and the transverse reinforcing beam 2;
checking and calculating an outer cantilever:
checking qualified conditions:
in the formula: f. ofA-outer cantilever beam end point a point deflection (mm);
q-evenly distributing load (N/m);
l-length of outer cantilever section (m);
e-modulus of elasticity (Pa);
j-moment of inertia (m)4）。
Checking and calculating the inner simply supported beam:
checking qualified conditions:
in the formula: f. ofmax-maximum deflection (mm) of section AB of the inner simply supported beam;
q-evenly distributing load (N/m);
l-length (m) of inner simply supported beam;
e-modulus of elasticity (Pa);
j-moment of inertia (m)4）；
S4, the strength checking calculation of the longitudinal beam and the longitudinal reinforcing beam 3 of the ring beam 1 is carried out by adopting an inner side simply supported beam model, the load is calculated according to the uniformly distributed load,
checking qualified conditions:
in the formula: f. ofmax-maximum deflection (mm) of section AB of the inner simply supported beam;
q-evenly distributing load (N/m);
l-length (m) of inner simply supported beam;
e-modulus of elasticity (Pa);
j-moment of inertia (m 4);
s5, selecting the specifications and lengths of the ring beam 1, the transverse reinforcing beam 2 and the longitudinal reinforcing beam 3 which meet the rigidity requirement;
s6, performing intensity check on the floor 8 by using the largest unsupported surface, wherein the calculation model is a rectangular flat plate with a concentrated load at the center;
checking qualified conditions:
in the formula: f-the maximum deflection (mm) of the largest unsupported surface on the decking;
b-the length of the largest unsupported end edge (mm) on the deck;
p is a concentrated load, (Kg), and 75Kg is taken in consideration of the weight of the floor panel acted by a person;
h-thickness of the plank (cm);
e-modulus of elasticity (kg/cm 2);
l-length (mm);
s7, checking whether the shear strength of the cross section of the hoisting shaft meets the hoisting strength requirement, wherein the weight of the skid seat and the equipment is borne by 4 hoisting shafts 9 during hoisting, the load borne by each hoisting shaft is 1/4 of the total weight, and the hoisting shafts can be simplified into a cantilever beam model acting on concentrated load;
checking qualified conditions:
in the formula: f. ofA-outer cantilever beam end point a point deflection (mm) (m);
p-concentrated load (N);
l-maximum overhang length (m) of the hanger shaft during lifting;
e-modulus of elasticity (Pa);
j-moment of inertia, J
（m4）。
According to the invention, by establishing a mechanical model, the integral gravity center X, Y of the integrated device and the sledge base after being skid-mounted is calculated, the position of the sledge base lifting shaft 9 is arranged according to the gravity center of the integrated device, mechanical modeling and strength check are carried out on the ring beam 1, the transverse reinforcing beam 2, the longitudinal reinforcing beam 3 and the lifting shaft 9 during lifting, mechanical modeling and strength check are carried out on a floor slab according to the stress condition of the floor slab in practical application, and the strength and rigidity calculation is carried out on the structure and the material of the sledge base, so that the sledge base meeting the layout function of the integrated device and the requirement of the integral lifting strength is designed.
Example 3:
based on the embodiment 1, in this embodiment, the ring beam 1 is respectively connected with the transverse reinforcing beam 2, the longitudinal reinforcing beam 3 and the longitudinal reinforcing rib 5 by butt welding.
The longitudinal reinforcing beam 3 is respectively connected with the transverse reinforcing beam 2 and the transverse reinforcing rib 4 through butt welding, and the transverse reinforcing rib 4 is connected with the longitudinal reinforcing rib 5 through butt welding.
The bottom surface of the bed plate 8 is connected with the top surface of the ring beam 1 by intermittent welding.
An inner reinforcing rib 6 and an outer reinforcing rib 7 are arranged outside the sleeve 10; the inner reinforcing ribs 6 are provided with inner reinforcing plates 13, and the outer reinforcing ribs 7 are provided with outer reinforcing plates 14.
The inner reinforcing ribs 6 are in a cross shape, and the outer reinforcing ribs 7 are in a cross shape.
The sleeve 10 penetrates through the web plate of the ring beam 1 and the web plate of the transverse strengthening rib 4, the hanging shaft 9 penetrates through the sleeve 10, the outer end part of the hanging shaft 9 is limited by a shaft shoulder, the inner end part of the hanging shaft 9 is limited by a pin shaft 11, and the end part of the pin shaft 11 is locked by a cotter pin 12.
The ring beam 1 is rectangular, foundation bolt mounting holes are formed in the ring beam 1, the pry seat is connected with ground foundation bolts through the mounting holes, and the pry seat is connected with a ground foundation.
In the invention, the ring beam 1 is respectively connected with the transverse reinforcing beam 2, the longitudinal reinforcing beam 3 and the longitudinal reinforcing rib 5 through butt welding, the longitudinal reinforcing beam 3 is respectively connected with the transverse reinforcing beam 2 and the transverse reinforcing rib 4 through butt welding, the transverse reinforcing rib 4 is connected with the longitudinal reinforcing rib 5 through butt welding, the bottom surface of the floor plate 8 is connected with the top surface of the ring beam 1 through intermittent welding, one end of the inner side of the inner reinforcing rib 7 is connected with the inner side of a web plate of the ring beam 1, the inner side of a flange and the outer side of a sleeve 10 through butt welding, the other end of the inner reinforcing rib 6 is connected with the outer side of the web plate of the transverse reinforcing rib 4, the inner side of the flange and the outer side of the sleeve 10 through butt welding, one end of the inner side of the inner reinforcing plate 13 is connected with the inner side of the web plate of the ring beam 1 and the inner side of the flange through butt welding, the other end of the inner reinforcing plate 13, the inboard one end of outer strengthening rib 7 and the 1 web outside of ring beam, the edge of a wing is inboard, the sleeve pipe 10 outside links to each other through the butt welding, the inboard one end of outer strengthening plate 14 and the 1 web outside of ring beam, the edge of a wing inboard links to each other through the butt welding, the internal surface of outer strengthening plate 14 links to each other through the butt welding with the terminal surface of outer strengthening rib 7, sleeve pipe 10 passes 1 web of ring beam and horizontal strengthening rib 4 web, sleeve pipe 10 respectively with outer strengthening rib 7, 1 web of ring beam, interior strengthening rib 6, horizontal strengthening rib 4 web passes the butt welding and links to each other, hanging axle 9 passes sleeve pipe 10, the outside end of hanging axle 9 adopts the shaft shoulder spacing, the inboard tip of hanging axle adopts round pin 11 spacing, 11 tip of round pin adopts split pin. According to the invention, by establishing a mechanical model, the integral gravity center X, Y of the integrated device and the sledge base after being skid-mounted is calculated, the position of the sledge base lifting shaft 9 is arranged according to the gravity center of the integrated device, mechanical modeling and strength check are carried out on the ring beam 1, the transverse reinforcing beam 2, the longitudinal reinforcing beam 3 and the lifting shaft 9 during lifting, mechanical modeling and strength check are carried out on a floor slab according to the stress condition of the floor slab in practical application, and the strength and rigidity calculation is carried out on the structure and the material of the sledge base, so that the sledge base meeting the layout function of the integrated device and the requirement of the integral lifting strength is designed.
The design method of the prying seat comprises the following steps:
the method comprises the following steps:
s1, calculating the gravity centers of all the devices and the skid seat in the integrated device, wherein the gravity centers are respectively M1（X1，Y1），M2（X,2，Y3），M3（X3，Y3）……Mn（Xn，Yn) According to the formula of center of gravity
，
The barycentric coordinate (X) of the whole integrated device is solveda，Yb）；
S2, according to the gravity center coordinate (X) of the integrated devicea，Yb) And the position of the hanging shaft 9 is arranged to ensure that the gravity center of the integrated device is coincided with the gravity center of the hanging.
And S3, dividing the transverse beam and the transverse reinforcing beam 2 of the ring beam 1 according to the position of the hanging shaft 9, wherein the outer side is a cantilever beam model, the inner side is a simply supported beam model, calculating the whole skid seat according to the uniformly distributed load, and respectively performing strength checking calculation on the outer side and the inner side of the transverse beam of the ring beam 1 and the transverse reinforcing beam 2.
Checking and calculating an outer cantilever:
the force model is shown in figure 6:
checking qualified conditions:
in the formula: f. ofA-outer cantilever beam end point a point deflection (mm);
q-evenly distributing load (N/m);
l-length of outer cantilever section (m);
e-modulus of elasticity (Pa);
j-moment of inertia (m)4）。
Checking and calculating the inner simply supported beam:
the force model is shown in figure 7:
checking qualified conditions:
in the formula: f. ofmax-maximum deflection (mm) of section AB of the inner simply supported beam;
q-evenly distributing load (N/m);
l-length (m) of inner simply supported beam;
e-modulus of elasticity (Pa);
j-moment of inertia (m)4）。
S4, strength checking calculation of the longitudinal beam and the longitudinal reinforcing beam 3 of the ring beam 1 is carried out by adopting an inner side simply supported beam model, load is calculated according to uniformly distributed load, and the stress model is as shown in figure 8:
checking qualified conditions:
in the formula: f. ofmax-maximum deflection (mm) of section AB of the inner simply supported beam;
q-evenly distributing load (N/m);
l-length (m) of inner simply supported beam;
e-modulus of elasticity (Pa);
j-moment of inertia (m 4).
S5, according to the calculation formula, the specifications and the lengths of the ring beam 1, the transverse reinforcing beam 2 and the longitudinal reinforcing beam 3 meeting the rigidity requirement are selected;
s6, performing intensity check on the floor 8 by using the largest unsupported surface, wherein the calculation model is a rectangular flat plate with a concentrated load at the center;
checking qualified conditions:
in the formula: f-the maximum deflection (mm) of the largest unsupported surface on the decking;
b-the length of the largest unsupported end edge (mm) on the deck;
p is a concentrated load, (Kg), and 75Kg is taken in consideration of the weight of the floor panel acted by a person;
h-thickness of the plank (cm);
e-modulus of elasticity (kg/cm 2);
l-length (mm);
s7, checking whether the shear strength of the cross section of the lifting shaft meets the lifting strength requirement, wherein the weight of the skid seat and the equipment is borne by 4 lifting shafts 9 during lifting, the load borne by each lifting shaft is 1/4 of the total weight, and the lifting shafts can be simplified into a cantilever beam model acting on concentrated loads, as shown in FIG. 9.
Checking qualified conditions:
in the formula: f. ofA-outer cantilever beam end point a point deflection (mm) (m);
p-concentrated load (N);
l-maximum overhang length (m) of the hanger shaft during lifting;
e-modulus of elasticity (Pa);
j-moment of inertia, J
（m4）。
The skid seat structure provided by the invention can meet the skid requirements of various devices and pipelines, the structure is simple, and the laying plate 8 is laid on the skid seat for operating the valve instrument.
According to the invention, the gravity center of the integrated device is calculated by establishing a mechanical model, the lifting position is superposed with the X, Y axis of the gravity center of the integrated device, the lifting axis position of the sledge base is designed, the strength and rigidity of the structure and the material of the sledge base are calculated, and the lifting requirement of the integrated device is met.
The above examples are merely illustrative of the present invention and should not be construed as limiting the scope of the invention, which is intended to be covered by the claims and any design similar or equivalent to the scope of the invention. The devices and components described in detail in the present invention are prior art and will not be further described in the present invention.
Claims (9)
1. The utility model provides a sledge seat for integrated device which characterized in that: comprises a ring beam (1), a horizontal reinforcing beam (2), a longitudinal reinforcing beam (3), horizontal reinforcing ribs (4), longitudinal reinforcing ribs (5), a floor plate (8), a hanging shaft (9), a sleeve (10), a pin shaft (11) and a cotter pin (12); the ring beam (1) is internally provided with a transverse reinforcing beam (2) and a longitudinal reinforcing beam (3), the transverse reinforcing beam (2) and the longitudinal reinforcing beam (3) are arranged in a mutually perpendicular mode, four sleeves (10) are arranged at four corners of the ring beam (1), the four sleeves (10) are respectively positioned between the two corresponding longitudinal reinforcing beams (3), longitudinal reinforcing ribs (5) are arranged at two ends of each sleeve (10), one end of each longitudinal reinforcing rib (5) is connected with the ring beam (1), the other end of each longitudinal reinforcing rib is connected with the other end of each sleeve through each transverse reinforcing rib (4), and each transverse reinforcing rib (4) is arranged on the two longitudinal reinforcing beams (3) at two ends of each sleeve (10); one end of the hanging shaft (9) penetrates through the sleeve (10) to extend outwards and is limited by a pin shaft (11) and a cotter pin (12); the bed plate (8) is arranged on the upper surface of the ring beam (1).
2. The skid for an integrated device of claim 1, wherein: the ring beam (1) is respectively connected with the transverse reinforcing beam (2), the longitudinal reinforcing beam (3) and the longitudinal reinforcing rib (5) through butt welding.
3. The skid for an integrated device of claim 1, wherein: the longitudinal reinforcing beam (3) is respectively connected with the transverse reinforcing beam (2) and the transverse reinforcing rib (4) through butt welding, and the transverse reinforcing rib (4) is connected with the longitudinal reinforcing rib (5) through butt welding.
4. The skid for an integrated device of claim 1, wherein: the bottom surface of the bed plate (8) is connected with the top surface of the ring beam (1) through intermittent welding.
5. The skid for an integrated device of claim 1, wherein: an inner reinforcing rib (6) and an outer reinforcing rib (7) are arranged outside the sleeve (10); the inner reinforcing ribs (6) are provided with inner reinforcing plates (13), and the outer reinforcing ribs (7) are provided with outer reinforcing plates (14).
6. The skid for an integrated device of claim 5, wherein: the inner reinforcing ribs (6) are in a cross shape, and the outer reinforcing ribs (7) are in a cross shape.
7. The skid for an integrated device of claim 1, wherein: the sleeve (10) passes through a web plate of the ring beam (1) and a web plate of the transverse reinforcing rib (4), the hanging shaft (9) passes through the sleeve (10), the outer end part of the hanging shaft (9) is limited by a shaft shoulder, the inner end part of the hanging shaft (9) is limited by a pin shaft (11), and the end part of the pin shaft (11) is locked by a cotter pin (12).
8. The skid for an integrated device of claim 1, wherein: the ring beam (1) is rectangular, foundation bolt mounting holes are formed in the ring beam (1), the skid seat is connected with ground foundation bolts through the mounting holes, and the skid seat is connected with a ground foundation.
9. The design method of the sledge base for the integrated device according to any of the claims 1 to 8, wherein: the method comprises the following specific steps:
s1, calculating the gravity centers of all the devices and the skid seat in the integrated device, wherein the gravity centers are respectively M1（X1，Y1），M2（X,2，Y3），M3（X3，Y3）……Mn（Xn，Yn) According to the formula of center of gravity
The barycentric coordinate (X) of the whole integrated device is solveda，Yb）；
S2, according to the gravity center coordinate (X) of the integrated devicea，Yb) The position of the hanging shaft (9) is arranged to ensure that the gravity center of the integrated device is coincided with the gravity center of the hanging;
s3, dividing the transverse beam and the transverse reinforcing beam (2) of the ring beam (1) according to the position of the hanging shaft (9), calculating the whole skid seat according to the uniformly distributed load, and respectively performing strength checking calculation on the outer side and the inner side of the transverse beam and the transverse reinforcing beam (2) of the ring beam (1);
checking and calculating an outer cantilever:
checking qualified conditions:
in the formula: f. ofA-outer cantilever beam end point a point deflection (mm);
q-evenly distributing load (N/m);
l-length of outer cantilever section (m);
e-modulus of elasticity (Pa);
j-moment of inertia (m)4）；
Checking and calculating the inner simply supported beam:
checking qualified conditions:
in the formula: f. ofmax-maximum deflection (mm) of section AB of the inner simply supported beam;
q-evenly distributing load (N/m);
l-length (m) of inner simply supported beam;
e-modulus of elasticity (Pa);
j-moment of inertia (m)4）；
S4, strength checking calculation of the longitudinal beam and the longitudinal reinforcing beam (3) of the ring beam (1) is carried out by adopting an inner side simply supported beam model, the load is calculated according to the uniformly distributed load,
checking qualified conditions:
in the formula: f. ofmax-maximum deflection (mm) of section AB of the inner simply supported beam;
q-evenly distributing load (N/m);
l-length (m) of inner simply supported beam;
e-modulus of elasticity (Pa);
j-moment of inertia (m 4);
s5, selecting the specifications and lengths of the ring beam (1), the transverse reinforcing beam (2) and the longitudinal reinforcing beam (3) which meet the rigidity requirement;
s6, performing intensity check on the floor (8) by adopting the largest unsupported surface, wherein the calculation model is a rectangular flat plate with a concentrated load at the center;
checking qualified conditions:
in the formula: f-the maximum deflection (mm) of the largest unsupported surface on the decking;
b-the length of the largest unsupported end edge (mm) on the deck;
p is a concentrated load, (Kg), and 75Kg is taken in consideration of the weight of the floor panel acted by a person;
h-thickness of the plank (cm);
e-modulus of elasticity (kg/cm 2);
l-length (mm);
s7, checking whether the shear strength of the cross section of the hanging shaft meets the requirement of the hanging strength, wherein the weight of the skid seat and the equipment is borne by 4 hanging shafts (9) during hanging, the load borne by each hanging shaft is 1/4 of the total weight, and the hanging shafts can be simplified into a cantilever beam model acting on concentrated load;
checking qualified conditions:
in the formula: f. ofA-outer cantilever beam end point a point deflection (mm) (m);
p-concentrated load (N);
l-maximum overhang length (m) of the hanger shaft during lifting;
e-modulus of elasticity (Pa);
j-moment of inertia, J
（m4）。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010242273.2A CN111503435A (en) | 2020-03-31 | 2020-03-31 | Sledge base for integrated device and design method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010242273.2A CN111503435A (en) | 2020-03-31 | 2020-03-31 | Sledge base for integrated device and design method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111503435A true CN111503435A (en) | 2020-08-07 |
Family
ID=71872998
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010242273.2A Pending CN111503435A (en) | 2020-03-31 | 2020-03-31 | Sledge base for integrated device and design method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111503435A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201202935Y (en) * | 2008-04-24 | 2009-03-04 | 蔡建平 | Conveying improved structure of diesel generator |
| CN201368295Y (en) * | 2009-02-23 | 2009-12-23 | 北京天和众邦勘探技术有限公司 | Positioning mechanism of hoisting equipment |
| CN204459626U (en) * | 2015-01-28 | 2015-07-08 | 上海艾克森集团有限公司 | A kind of support |
| CN205173871U (en) * | 2015-12-03 | 2016-04-20 | 天津冬青动力科技有限公司 | Full oil tank formula diesel generating set chassis |
| TWM533162U (en) * | 2016-07-26 | 2016-12-01 | Horng Cheng Engineering Corp | Base structure of electric power generator |
| CN209012662U (en) * | 2018-10-12 | 2019-06-21 | 长安大学 | A kind of bottom frame bracing means |
| CN212028938U (en) * | 2020-03-31 | 2020-11-27 | 西安长庆科技工程有限责任公司 | Sledge base for integrated device |
-
2020
- 2020-03-31 CN CN202010242273.2A patent/CN111503435A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201202935Y (en) * | 2008-04-24 | 2009-03-04 | 蔡建平 | Conveying improved structure of diesel generator |
| CN201368295Y (en) * | 2009-02-23 | 2009-12-23 | 北京天和众邦勘探技术有限公司 | Positioning mechanism of hoisting equipment |
| CN204459626U (en) * | 2015-01-28 | 2015-07-08 | 上海艾克森集团有限公司 | A kind of support |
| CN205173871U (en) * | 2015-12-03 | 2016-04-20 | 天津冬青动力科技有限公司 | Full oil tank formula diesel generating set chassis |
| TWM533162U (en) * | 2016-07-26 | 2016-12-01 | Horng Cheng Engineering Corp | Base structure of electric power generator |
| CN209012662U (en) * | 2018-10-12 | 2019-06-21 | 长安大学 | A kind of bottom frame bracing means |
| CN212028938U (en) * | 2020-03-31 | 2020-11-27 | 西安长庆科技工程有限责任公司 | Sledge base for integrated device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN212028938U (en) | Sledge base for integrated device | |
| CN102409864A (en) | Steel truss construction method and temporary reinforcing device used in hoisting process of same | |
| CN113483978A (en) | Aircraft modal test free boundary simulation unit and simulation system | |
| CN111985020A (en) | Calculation system and calculation method for walking and hoisting loads of truck crane | |
| CN111503435A (en) | Sledge base for integrated device and design method thereof | |
| CN202936807U (en) | Assembled tower footing | |
| CN103743581B (en) | Internal-climbing tower crane test platform device and test method | |
| JP2014047525A (en) | Method for erecting bridge between building ridges | |
| CN210884873U (en) | Installation hanging beam and lifting device of pipeline | |
| CN112095473B (en) | Double-guide-beam bridge girder erection machine turning method | |
| CN108589905B (en) | Truss corridor integral post-lifting construction system and construction method thereof | |
| CN210136644U (en) | Airplane main undercarriage supporting structure for training and teaching | |
| CN114000429A (en) | Longitudinal wet joint pouring deformation control method for eccentric half-width steel-concrete combined box girder | |
| CN110904745B (en) | Turnout equipment supporting platform | |
| CN111962488B (en) | Bottom tool and installation method for upper component of offshore wind power booster station | |
| CN111847277A (en) | Large-scale reinforcement cage lifting and installation integrated device and method | |
| CN219887604U (en) | Tooling trolley for paving large-area steel floor plate | |
| CN205111205U (en) | Dryer installation component | |
| CN219387336U (en) | Platform suitable for traffic of superlong structure raft board drop board district | |
| CN115075210B (en) | Lifting beam structure of jacket | |
| CN220701879U (en) | Large-scale equipment bearing platform | |
| CN218969780U (en) | Support frame for girder end steel mould of simply supported double-line box girder of high-speed railway | |
| CN203441093U (en) | Portal lifting device for building construction | |
| CN212861821U (en) | Ocean platform disassembly driving trolley | |
| CN215893944U (en) | Aircraft modal test free boundary simulation unit and simulation system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |