CN112627227B - Equipment foundation with elastic interlayer leveling piece and manufacturing method thereof - Google Patents
Equipment foundation with elastic interlayer leveling piece and manufacturing method thereof Download PDFInfo
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- CN112627227B CN112627227B CN202011464903.7A CN202011464903A CN112627227B CN 112627227 B CN112627227 B CN 112627227B CN 202011464903 A CN202011464903 A CN 202011464903A CN 112627227 B CN112627227 B CN 112627227B
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D27/00—Foundations as substructures
- E02D27/32—Foundations for special purposes
- E02D27/44—Foundations for machines, engines or ordnance
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
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Abstract
The invention relates to an equipment foundation with an elastic interlayer leveling part and a manufacturing method thereof, wherein the equipment foundation comprises a concrete cushion layer, a reinforcement cage, an anchor bolt, an anchor plate and a concrete body; a sealing washer is arranged at the bottom of the upper anchor bolt through hole of the upper end plate; the concrete body comprises a primary pouring layer and a secondary pouring layer; the preparation method comprises the following steps: (1) pouring a concrete cushion layer; (2) erecting a formwork, binding a reinforcement cage and installing an anchor bolt; (3) pouring a primary concrete pouring layer; (4) installing an elastic interlayer leveling piece and a sealing washer; (5) punching and plug welding, and fixing an angle steel elastic interlayer base plate of the elastic interlayer leveling piece; (6) fixing the anchor plate on the upper end plate through a fillet weld; (7) pouring a concrete secondary pouring layer; (8) and (4) removing the template. The anchor bolt has the advantages of preventing the anchor bolt from displacement and deformation and ensuring the level of the anchor plate.
Description
Technical Field
The invention relates to the technical field of heat supply and machining, in particular to an equipment foundation with an elastic interlayer leveling part and a manufacturing method thereof.
Background
In the technical field of heat supply and machining, a plurality of devices such as a heat exchanger, a water tank, a water pump, a machining machine tool and the like need to be horizontally placed on the ground and stably positioned so as to ensure stable work of the devices, normally exert the performance and prolong the service life of the devices. Therefore, when the equipment is installed, the equipment foundation is arranged below the equipment, and the equipment base is fixedly installed on the equipment foundation.
The existing common equipment foundation comprises a concrete cushion, a reinforcement cage, a plurality of anchor bolts which are vertically arranged, a pre-buried anchor plate which is horizontally arranged and a concrete body which is filled and coated with the structure. During manufacturing, a concrete cushion layer is poured at first, then a template is arranged on the cushion layer and a steel bar cage is bound, a plurality of anchor bolts are vertically fixed in the steel bar cage according to set positions, anchor bolt through holes formed in the anchor plate and corresponding to the support anchor bolts are sleeved into the ends of the support anchor bolts respectively, the anchor plate is horizontally fixed on the ends of the anchor bolts through perforation plug welding, finally, concrete is poured in the template to form a reinforced concrete body which is filled with the surrounding edges of the coated steel bar cage, the support anchor bolts and the anchor plate, the top surface of the reinforced concrete body is flush with the upper surface of the exposed anchor plate, and the anchor plate is used for connecting a device base.
By adopting the structure and the manufacturing method, although the verticality of the anchor bolt and the levelness of the anchor plate are respectively calibrated and adjusted by the plumb bob and the level gauge in the manufacturing process, the set requirements can not be met. The structure and the manufacturing method of the existing equipment foundation still have obvious defects, which are reflected in that: 1. when concreting, because the vibrations that vibrate can make the crab-bolt produce the skew, often need the on-the-spot anchor slab reaming to solve, rework even, lead to the on-the-spot work load of remedying huge like this. 2. When the anchor plate carries out perforation plug welding, because high temperature makes the crab-bolt body of rod produce the deformation, after the welding is accomplished, cause the crab-bolt body of rod height uneven, the levelness of direct influence anchor plate. At the moment, the backing plate needs to be manually supplemented for leveling or the anchor plate needs to be cut and welded again, so that labor, time and labor are wasted, and the construction quality and efficiency are seriously influenced. 3. The anchor plate is of a single-plate structure, and solder is easy to leak in anchor bolt via holes during perforation plug welding, so that the welding firmness is influenced, and the time and the material are wasted. 4 the existing equipment foundation is manufactured by adopting concrete to cast and form once, the levelness of the anchor plate is not possible to be adjusted in the process, and once the concrete is cast, the levelness can only be repaired and compensated when the levelness does not meet the design requirements, so that the equipment foundation can be reworked again, and the construction quality and progress are seriously influenced. In view of the above problems, how to develop a novel equipment foundation structure and an improved manufacturing method that can prevent the displacement and deformation of the anchor bolt and adjust and ensure the levelness of the anchor plate in the manufacturing process, so as to improve the construction quality and efficiency becomes an industry concern.
Disclosure of Invention
The invention mainly aims to solve the problems and provides an equipment foundation with an elastic interlayer leveling part and a manufacturing method thereof, so that anchor bolts of the equipment foundation are effectively prevented from displacement and deformation, the levelness of an anchor plate is ensured to be good, later repair and rework are avoided, and the construction quality and the construction efficiency are obviously improved.
The technical scheme adopted by the invention for solving the technical problems is as follows:
an equipment foundation with an elastic interlayer leveling part comprises a concrete cushion layer, a steel reinforcement cage, a plurality of anchor bolts, an anchor plate and a concrete body filled and coated, wherein the steel reinforcement cage is arranged on the concrete cushion layer, the anchor bolts are vertically arranged in the steel reinforcement cage, the anchor plate is horizontally and fixedly connected to the end parts of the anchor bolts, and the concrete body is filled and coated on the steel reinforcement cage, the anchor bolts, the bottom surfaces of the anchor plates and the circumferential measuring edge; the leveling device is characterized in that an elastic interlayer leveling piece is additionally arranged on the anchor bolt, the elastic interlayer leveling piece comprises an angle steel elastic interlayer base plate, a leveling washer and a leveling nut, the angle steel elastic interlayer base plate is composed of vertical angle steel and horizontal upper and lower end plates fixedly connected to the upper and lower end edges of the vertical angle steel, coaxial upper and lower anchor bolt through holes are arranged on the upper and lower end plates, the upper and lower anchor bolt through holes are sleeved at the upper end of the thread section of the anchor bolt, the leveling washer and the leveling nut are sequentially sleeved on the thread section of the anchor bolt from top to bottom by clinging to the lower end plate, and the angle steel elastic interlayer base plate is fixedly connected with the anchor bolt through the perforated plug welding of the upper anchor bolt through hole of the upper end plate; the upper surfaces of the upper end plates which are clung to the same horizontal plane are fixedly connected with anchor plates; the concrete body is including filling the concrete primary casting layer of screw thread section bottom and the polished rod section of cladding steel reinforcement cage and many crab-bolts and fill the concrete secondary casting layer of cladding many crab-bolts screw thread section rest of parts, elasticity intermediate layer leveling member and anchor slab bottom surface and ring week side edge on the concrete primary casting layer.
The bottom of the upper anchor bolt via hole of the upper end plate is provided with a sleeved anchor bolt thread section and covers the sealing washer of the upper anchor bolt via hole, and the solder of the perforated plug welding is filled in the annular space between the wall of the upper anchor bolt via hole, the anchor bolt and the sealing washer.
The number of the anchor bolts is more than 4.
And the concrete secondary pouring layer adopts fine aggregate concrete.
The method for manufacturing the equipment foundation with the elastic interlayer leveling member is characterized by comprising the following steps of:
(1) pouring a concrete cushion;
(2) erecting a template on the concrete cushion, binding a reinforcement cage and installing an anchor bolt;
respectively vertically fixing more than 4 anchor bolts in a reinforcement cage according to set anchoring lengths, wherein the height of the top ends of the anchor bolts is more than 10mm higher than the finished elevation of the equipment foundation;
(3) pouring a concrete primary pouring layer;
finishing the primary concrete pouring layer according to the set elevation of the primary concrete pouring layer to fix the position of the anchor bolt;
(4) installing an elastic interlayer leveling part and a sealing washer;
mounting a leveling nut, a leveling washer, an angle steel elastic interlayer base plate and a sealing washer on the rest part of each anchor bolt thread section from bottom to top, and rotating the leveling nut to a position where the top surface of an upper end plate is lower than the finished elevation of the equipment foundation by the thickness of an anchor plate; adjusting the horizontal position of the angle steel elastic interlayer base plate to ensure that the anchor plate and the angle steel elastic interlayer base plate have enough welding allowance;
(5) carrying out perforation plug welding and fixing the angle steel elastic interlayer base plate;
a temperature control medium is plugged into the interlayer of the angle steel elastic interlayer base plate, the sealing washer is extruded at the position tightly attached to the upper end plate, then the upper anchor bolt holes of the upper end plates are subjected to perforation plug welding, after the welding is finished and the cooling is carried out, the temperature control medium is removed, and the extending sections of the anchor bolts on the upper surface of the upper end plates are flatly shoveled;
(6) symmetrically placing the anchor plate on the top surface of the upper end plate of more than 4 angle steel elastic interlayer base plates, measuring the levelness by using a level gauge, and fixing the anchor plate on the upper end plate through an angle welding seam;
(7) pouring a concrete secondary pouring layer, and filling and fixing the elastic interlayer leveling member;
pouring fine stone concrete on the primary concrete pouring layer to finish the secondary concrete pouring layer, wherein the height of the upper surface of the secondary concrete pouring layer is the elevation finished by the equipment foundation, namely the height of the anchor plate;
(8) and (4) removing the template, and finishing the equipment foundation manufacture.
In the step (5), the temperature control medium is wet asbestos or wet towel.
The invention has the beneficial effects that:
compared with the prior art, the equipment foundation with the elastic interlayer leveling member and the manufacturing method thereof have the beneficial effects that 1, because the elastic interlayer leveling member is additionally arranged on each anchor bolt, the elastic space between the upper end plate and the lower end plate of the angle steel elastic interlayer base plate is utilized to carry out horizontal adjustment through the leveling nut and the leveling washer, and a plurality of leveling members can be independently adjusted to achieve the accurate leveling effect. 2. During perforation plug welding, a temperature control medium is plugged into the interlayer of the elastic interlayer base plate of the angle steel for heat dissipation and cooling, so that deformation of the anchor bolt under the high welding temperature is effectively prevented, and the levelness of the anchor plate is ensured. 3. The anchor plate is provided with two pouring layers, namely a concrete primary pouring layer and a concrete secondary pouring layer, the two pouring layers are poured during manufacturing, anchor bolts are fixed at positions through the concrete primary pouring layer firstly, then elastic interlayer leveling pieces are installed on the anchor bolts to perform leveling operation respectively, and therefore the anchor bolt is not influenced by vibration in primary pouring, the influence of displacement and deformation of the anchor bolts caused by vibration in primary pouring can be compensated and corrected in adjustment of the elastic interlayer leveling pieces, particularly, the secondary pouring layer is completed through secondary pouring of fine aggregate concrete which does not need vibration and is compact in structure after leveling, and the levelness of the anchor plate can be effectively guaranteed. 4. The invention also arranges a sealing washer at the bottom of the anchor bolt via hole on the upper end plate, thereby effectively preventing solder leakage, enabling the solder to be compact, having firm structural connection, improving welding quality and efficiency, and saving solder. 5. In addition, the temperature control medium controls the temperature of the perforation plug welding to prevent the anchor bolt from deforming, and also plays a role in extruding and fixing the sealing washer to enable the sealing washer to be welded at the bottom of the upper end plate in a sealing manner. 6. The anchor plate is fixed on the upper end plate through the fillet weld, and has the effect of making up possible horizontal positioning errors.
Drawings
FIG. 1 is a schematic structural diagram of a front view of an equipment foundation with a milling machine leg having a resilient sandwich leveling member;
FIG. 2 is an enlarged schematic structural view of a portion of the elastomeric sandwich leveler of FIG. 1;
FIG. 3 is a schematic front view of the angle steel elastic sandwich plate in FIG. 2;
FIG. 4 is a top view of FIG. 3;
FIG. 5 is a flow chart of a method for manufacturing a device foundation with a milling machine leg having a resilient interlayer leveling member.
In the figure: 1, a concrete cushion layer, 2 anchor bolts, 21 thread sections, 22 polished rod sections, 23 bent feet, 3 leveling nuts, 4 leveling washers, 5 concrete secondary pouring layers, 6 concrete primary pouring layers, 7 angle steel elastic sandwich cushion plates, 70 angle steel, 71 upper end plates, 711 upper anchor bolt through holes, 72 lower end plates, 721 lower anchor bolt through holes, 8 solders, 9 sealing washers, 10 anchor plates, 11 reinforcement cages, 12 templates, 13 temperature control media and 14 anchor bolt extending sections; a, an elastic interlayer leveling piece.
The invention is described in detail below with reference to the figures and examples.
Detailed Description
Fig. 1-4 show an equipment foundation of a milling machine supporting leg with an elastic interlayer leveling member, which is the same as a traditional equipment foundation and comprises a concrete cushion layer 1, a reinforcement cage 11, a plurality of anchor bolts 2, an anchor plate 10 and a filling coated concrete body. Reinforcing cage 11 sets up on concrete cushion 1, many crab-bolts 2 are vertical to be located reinforcing cage 11, and anchor slab 10 level links firmly at the tip of many crab-bolts 2, the concrete body fills the bottom surface and the all around survey edge of cladding reinforcing cage 11, many crab-bolts 2 and anchor slab 10.
In the technical field of heat supply and machining, the number of anchor bolts adopted for the equipment foundation is more than 4, and the anchor bolts are mainly set according to the structural requirements of the equipment. The embodiment is an equipment foundation for a milling machine landing leg, and a concrete cushion layer, a concrete body arranged on the concrete cushion layer and an anchor plate are all square bodies and are arranged in a centrosymmetric mode. In this example, 4 anchors are used.
The equipment foundation provided by the invention is characterized in that an elastic interlayer leveling member A is additionally arranged on the anchor bolt 2, and the elastic interlayer leveling member A comprises an angle steel elastic interlayer base plate 7, a leveling washer 4 and a leveling nut 3, wherein the angle steel elastic interlayer base plate 7 is composed of vertical angle steel 70, horizontal upper and lower end plates 71 and 72 fixedly connected to the upper and lower end edges of the vertical angle steel. Upper and lower anchor bolt through holes 711 and 721 which are coaxial are arranged on the upper and lower end plates 71 and 72, the upper and lower anchor bolt through holes 711 and 721 are sleeved at the upper end of the threaded section of the anchor bolt 2, and the leveling washer 4 and the leveling nut 3 are sequentially sleeved on the threaded section of the anchor bolt 2 from top to bottom by clinging to the lower end plate 72; the angle steel elastic interlayer base plate 7 is fixedly connected with the anchor bolt 2 through the perforation plug welding of the upper anchor bolt through hole 711 of the upper end plate 71.
The anchor plate 10 is fixedly connected to the upper surfaces of the 4 upper end plates 71 which are close to the same horizontal plane.
The concrete body comprises a concrete primary pouring layer 5 which is filled and coated with the bottoms of the thread sections of the reinforcement cages 11 and the 4 anchor bolts and the polished rod section, and a concrete secondary pouring layer 6 which is filled and coated with the rest parts of the thread sections of the 4 anchor bolts, the elastic interlayer leveling part A and the bottom surface of the anchor plate and the peripheral edge of the ring.
The equipment foundation provided by the invention is also characterized in that the bottom of the upper anchor bolt through hole 711 of the upper end plate 71 is provided with a sealing washer 9 which is sleeved with an anchor bolt threaded section and covers the upper anchor bolt through hole 711, and the welding flux 8 for through hole plug welding is filled in an annular space between the hole wall of the upper anchor bolt through hole 711, the anchor bolt 2 and the sealing washer 9. Therefore, the leakage of the solder can be effectively prevented during welding, the solder is dense, the structural connection is firm, the welding quality and efficiency are improved, and meanwhile, the solder is saved. The sealing washer 9 is placed in the primary casting layer 5.
The equipment foundation provided by the invention is also characterized in that the concrete secondary pouring layer adopts fine aggregate concrete. The fine stone concrete does not need to be vibrated when being poured, so that the anchor bolt does not deform, and the levelness of the anchor plate is further ensured.
In this embodiment, the size of the equipment foundation for the milling machine support leg is: the height h0 of the cushion layer is 100mm, the finished height h of the equipment foundation is 700mm, wherein the height h1 of the primary concrete pouring layer is 600mm, and the height h2 of the secondary concrete pouring layer is 100 mm. The concrete cushion layer 1 is made of concrete with the reference number of C15, the primary concrete pouring layer 6 is made of concrete with the reference number of C30, and the secondary concrete pouring layer 5 is made of fine aggregate concrete with the reference number of C40. The top area of the concrete body is 1000 multiplied by 1000mm 2 。
The thickness b of the anchor plate is 16mm, and the area of the top surface of the anchor plate is 400X400mm 2 。
The invention also provides a manufacturing method of the equipment foundation with the elastic interlayer leveling member, and fig. 5 shows a manufacturing process of the equipment foundation with the elastic interlayer leveling member for the milling machine support leg, which is characterized by comprising the following steps:
(1) pouring a concrete cushion;
the concrete with the reference number C15 is used for casting the concrete cushion layer 1, and the elevation h0 of the concrete cushion layer 1 is 100 mm.
(2) Erecting a template on the concrete cushion, binding a reinforcement cage and installing an anchor bolt;
according to the location axis of 4 crab-bolts 2 that are square and lay the line of ammunition location crab-bolt position on bed course 1, with 4 crab-bolts 2 according to the anchor length L that sets for 320mm respectively vertically be fixed in steel reinforcement cage 11 in to plumb bob calibration straightness that hangs down. The height of the tip of the anchor bolt 2 is 10mm or more higher than the finished elevation h of the equipment foundation, and in this example, the raised height Δ h is 20 mm.
(3) Pouring a concrete primary pouring layer;
according to the elevation h1 of the primary concrete pouring layer which is set as 600mm, the primary concrete pouring layer 5 is completed by adopting the concrete with the reference number C30, and the primary concrete pouring layer is filled with the bottom of the threaded section 21 and the polished rod section 22 of the cladding steel reinforcement cage 11 and the 4 anchor bolts 2, so that the positions of the anchor bolts 2 are fixed.
(4) Installing an elastic interlayer leveling piece and a sealing washer;
installing a leveling nut 3, a leveling washer 4, an angle steel elastic interlayer base plate 7 and a sealing washer 9 on the rest part of each anchor bolt threaded section 21 from bottom to top, and rotating the leveling nut 3 to a position where the top surface of an upper end plate 71 is lower than the finished elevation h of the equipment foundation by the thickness of an anchor plate, wherein in the example, the thickness b of the anchor plate is 16 mm; the horizontal position of the angle steel elastic interlayer backing plate 7 is adjusted to ensure that the anchor plate 10 and the angle steel elastic interlayer backing plate 7 have enough welding allowance.
(5) Carrying out perforation plug welding and fixing the angle steel elastic interlayer base plate;
the temperature control medium 13 is plugged into the interlayer of the angle steel elastic interlayer backing plate 7, the sealing gaskets are extruded at the positions tightly attached to the upper end plates 71, then the upper anchor bolt holes 711 of the upper end plates 71 are subjected to perforation plug welding, and the welding flux 8 is filled in the hole walls of the upper anchor bolt holes 711 and the annular space between the anchor bolt 2 and the sealing gaskets 9, so that the welding flux is dense and the connection is firm. After the welding is completed and the welding is cooled, the temperature control medium 13 is removed, and the anchor bolt extending section 14 on the upper surface of the upper end plate is flattened. Here, the temperature control medium adopts wet asbestos or wet towel, and normal atmospheric temperature water soaking can for heat dissipation cooling and fixed seal ring, both prevent that the crab-bolt from taking place to warp at welding high temperature and influencing the levelness of anchor slab, also play and compress tightly seal ring and prevent that the solder leaks, and firm welded effect.
(6) The anchor plate is placed on the top surface of the upper end plate 71 of the 4-angle steel elastic sandwich base plate 7 in a central symmetry manner, levelness is measured by a level gauge, and the anchor plate 10 is fixed on the upper end plate 7 through an angle welding seam.
(7) Pouring a concrete secondary pouring layer, and filling and fixing the elastic interlayer leveling piece;
and pouring fine stone concrete on the concrete primary pouring layer 6 to finish the concrete secondary pouring layer 5. The concrete secondary pouring layer is filled and coated on the rest parts of the 4 anchor bolt threaded sections 21, the elastic interlayer leveling part A, the sealing washer 9 and the bottom surface and the peripheral edge of the anchor plate 10, and the height of the upper surface of the concrete secondary pouring layer is the elevation h of the equipment foundation, namely the height of the anchor plate.
(8) And (6) removing the template 12, and finishing the manufacturing of the equipment foundation.
For the equipment foundation applied in the technical field of heat supply, the structure and the manufacturing method of the equipment foundation are the same as those of the equipment foundation for the milling machine support leg in the machining field, and the material selection specification, the structural shape and the size of the equipment foundation are different according to different factors such as the specification, the structure, the appearance, the weight and the like of different equipment.
The above description is not intended to limit the present invention in any way on the structure and shape thereof. Any simple modification, equivalent change and modification of the above embodiments according to the technical essence of the present invention are still within the scope of the technical solution of the present invention.
Claims (7)
1. An equipment foundation with an elastic interlayer leveling part comprises a concrete cushion layer, a steel reinforcement cage, a plurality of anchor bolts, an anchor plate and a concrete body filled and coated, wherein the steel reinforcement cage is arranged on the concrete cushion layer, the anchor bolts are vertically arranged in the steel reinforcement cage, the anchor plate is horizontally and fixedly connected to the end parts of the anchor bolts, and the concrete body is filled and coated on the steel reinforcement cage, the anchor bolts, the bottom surface of the anchor plate and the circumferential side edge of the anchor plate; the leveling device is characterized in that an elastic interlayer leveling piece is additionally arranged on the anchor bolt, the elastic interlayer leveling piece comprises an angle steel elastic interlayer base plate, a leveling washer and a leveling nut, the angle steel elastic interlayer base plate is composed of vertical angle steel and horizontal upper and lower end plates fixedly connected to the upper and lower end edges of the vertical angle steel, coaxial upper and lower anchor bolt through holes are arranged on the upper and lower end plates, the upper and lower anchor bolt through holes are sleeved at the upper end of the thread section of the anchor bolt, the leveling washer and the leveling nut are sequentially sleeved on the thread section of the anchor bolt from top to bottom by clinging to the lower end plate, and the angle steel elastic interlayer base plate is fixedly connected with the anchor bolt through the perforated plug welding of the upper anchor bolt through hole of the upper end plate; the upper surfaces of the upper end plates which are tightly attached to the same horizontal plane are fixedly connected with anchor plates; the concrete body is including filling the concrete primary casting layer of screw thread section bottom and the polished rod section of cladding steel reinforcement cage and many crab-bolts and fill the concrete secondary casting layer of cladding many crab-bolts screw thread section rest of parts, elasticity intermediate layer leveling member and anchor slab bottom surface and ring week side edge on the concrete primary casting layer.
2. The equipment foundation with the elastic interlayer leveling part as claimed in claim 1, wherein the bottom of the upper anchor bolt via hole of the upper end plate is provided with an anchor bolt threaded section for sleeving and a sealing washer for sealing the upper anchor bolt via hole, and the annular space among the wall of the upper anchor bolt via hole, the anchor bolt and the sealing washer is filled with solder for through hole plug welding.
3. An apparatus foundation having a resilient sandwich levelling member according to claim 1 or 2 wherein the number of anchor bolts is 4 or more.
4. The equipment foundation with the elastic interlayer leveling member as claimed in claim 1 or 2, wherein the concrete secondary pouring layer is made of fine aggregate concrete.
5. The equipment foundation with the elastic interlayer leveling member as claimed in claim 3, wherein the concrete secondary pouring layer is made of fine aggregate concrete.
6. A method of making an equipment foundation having a resilient sandwich levelling member according to claim 5 comprising the steps of:
(1) pouring a concrete cushion;
(2) erecting a template on the concrete cushion, binding a reinforcement cage and installing an anchor bolt;
respectively vertically fixing more than 4 anchor bolts in a reinforcement cage according to set anchoring lengths, wherein the height of the top ends of the anchor bolts is more than 10mm higher than the finished elevation of the equipment foundation;
(3) pouring a primary concrete pouring layer;
finishing the primary concrete pouring layer according to the set elevation of the primary concrete pouring layer to fix the position of the anchor bolt;
(4) installing an elastic interlayer leveling part and a sealing washer;
mounting a leveling nut, a leveling washer, an angle steel elastic interlayer base plate and a sealing washer on the rest part of each anchor bolt thread section from bottom to top, and rotating the leveling nut to a position where the top surface of an upper end plate is lower than the finished elevation of the equipment foundation by the thickness of an anchor plate; adjusting the horizontal position of the angle steel elastic interlayer base plate to ensure that the anchor plate and the angle steel elastic interlayer base plate have enough welding allowance;
(5) carrying out perforation plug welding and fixing the angle steel elastic interlayer base plate;
a temperature control medium is plugged into the interlayer of the angle steel elastic interlayer base plate, the sealing washer is extruded at the position tightly attached to the upper end plate, then the upper anchor bolt holes of the upper end plates are subjected to perforation plug welding, after the welding is finished and the cooling is carried out, the temperature control medium is removed, and the extending sections of the anchor bolts on the upper surface of the upper end plates are flatly shoveled;
(6) symmetrically placing the anchor plate on the top surface of the upper end plate of more than 4 angle steel elastic interlayer base plates in the center, measuring the levelness by using a level gauge, and fixing the anchor plate on the upper end plate through an angle welding seam;
(7) pouring a concrete secondary pouring layer, and filling and fixing the elastic interlayer leveling piece;
pouring fine stone concrete on the primary concrete pouring layer to finish the secondary concrete pouring layer, wherein the height of the upper surface of the secondary concrete pouring layer is the elevation finished by the equipment foundation, namely the height of the anchor plate;
(8) and removing the template, and thus finishing the manufacturing of the equipment foundation.
7. The method for manufacturing the equipment foundation with the elastic interlayer leveling member as claimed in claim 6, wherein in the step (5), the temperature control medium is wet asbestos or wet towel.
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| CN112627227B true CN112627227B (en) | 2022-07-26 |
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| CN204829137U (en) * | 2015-07-02 | 2015-12-02 | 中冶建工集团有限公司 | Seat thick liquid backing plate |
| CN106836272A (en) * | 2017-03-31 | 2017-06-13 | 中国化学工程第七建设有限公司 | The jackscrew adjusting method construction technology that a kind of equipment is installed without parallels |
| CN108239990A (en) * | 2016-12-26 | 2018-07-03 | 中冶天工集团天津有限公司 | A kind of construction method using second pouring streetlamp foundation |
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2020
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| JPH11229409A (en) * | 1998-02-18 | 1999-08-24 | Toshiba Plant Kensetsu Co Ltd | Installation of machinery base |
| JP2012107423A (en) * | 2010-11-17 | 2012-06-07 | Toshiba Corp | Method for adjusting level of foundation base, and method for fixing foundation base |
| CN103388343A (en) * | 2013-07-31 | 2013-11-13 | 天津二十冶建设有限公司 | Super-long and large horizontal embedded part reverse construction method |
| CN204829137U (en) * | 2015-07-02 | 2015-12-02 | 中冶建工集团有限公司 | Seat thick liquid backing plate |
| CN108239990A (en) * | 2016-12-26 | 2018-07-03 | 中冶天工集团天津有限公司 | A kind of construction method using second pouring streetlamp foundation |
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