CN214497568U

CN214497568U - Foundation vibration damping structure of underground building equipment

Info

Publication number: CN214497568U
Application number: CN202120308788.8U
Authority: CN
Inventors: 崔肖飞
Original assignee: Tianjin Yingjie Construction Engineering Co ltd
Current assignee: Tianjin Yingjie Construction Engineering Co ltd
Priority date: 2021-02-02
Filing date: 2021-02-02
Publication date: 2021-10-26
Anticipated expiration: 2031-02-02

Abstract

The utility model discloses an underground construction equipment foundation damping structure, which relates to the technical field of equipment foundations and comprises a foundation main body and a bottom plate, wherein the foundation main body protrudes out of the bottom plate and is integrally cast and molded with the bottom plate; an elastic vibration damping pad is fixedly arranged on the upper surface of the base main body, a base steel plate is arranged on the upper surface of the elastic vibration damping pad, a plurality of mounting bolts are fixedly arranged on the base steel plate, and the base steel plate is detachably connected with the upper end of the supporting rod; the waterproof layer is fixedly arranged on the upper surface of the bottom plate and laid along the surface of the base body, the waterproof layer is provided with a hole at the position of the sleeve on the upper surface of the base body, and sealing paste is coated between the waterproof layer and the upper end of the sleeve. The utility model provides a can fully absorb, waterproof performance is good and the construction is convenient, the high ground structure of building equipment foundation damping structure of stability to the vibration that equipment produced.

Description

Foundation vibration damping structure of underground building equipment

Technical Field

The utility model relates to an equipment foundation technical field especially relates to an underground construction equipment basis damping structure.

Background

The equipment foundation is a structure for supporting the equipment and carrying all or part of the weight of the equipment. Because some devices are heavy and prone to vibration, they are often installed in basements, and the foundation of the devices needs to be poured together with the bottom plate to ensure the stability of the devices. The basement bottom plate directly contacts with the underground soil layer, and is extremely easy to be eroded by underground water, so that the waterproof performance of the basement is very important for buildings, and the equipment foundation is a weak link of the basement waterproof performance.

The patent with the prior publication number of CN107100191A discloses an equipment foundation, which comprises an equipment foundation body, wherein at least one end face of the equipment foundation body is embedded with a steel bar, and the end face of the steel bar is flush with the end face of the equipment foundation body.

The reinforcing bar exposes among the equipment foundation in the above-mentioned scheme, causes the destruction to the waterproof construction of bottom plate, and the damping performance of equipment foundation is weak moreover, and the vibration of equipment easily makes the structure machine performance of bottom plate receive the influence to cause the water-proof effects variation of this department.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing an underground construction equipment basis damping structure utilizes the vibration of first spring and the abundant absorption equipment operation of elastic damping pad, thereby avoids the vibration to produce the influence to the structure of bottom plate and causes the water-proof effects variation, and the waterproof layer carries out the full coverting to basic main part simultaneously, effectively guarantees the waterproof performance on this equipment basis.

The above technical purpose of the present invention can be achieved by the following technical solutions:

a vibration damping structure of a foundation of underground construction equipment comprises a foundation main body and a bottom plate, wherein the foundation main body protrudes out of the bottom plate and is integrally cast with the bottom plate, a plurality of sleeves are cast in the foundation main body, supporting rods are arranged in the sleeves in a sliding mode, and first springs are fixedly connected between the lower ends of the supporting rods and the bottoms of the sleeves; the top of the foundation main body is provided with an elastic vibration damping pad, the upper surface of the elastic vibration damping pad is provided with a foundation steel plate, a plurality of mounting bolts are fixedly arranged on the foundation steel plate, and the foundation steel plate is detachably connected with the upper end of the supporting rod; the waterproof layer is fixedly arranged on the upper surface of the bottom plate and laid along the surface of the foundation body, the waterproof layer is provided with an opening at the position of the sleeve on the upper surface of the foundation body, and sealing paste is coated between the waterproof layer and the upper end of the sleeve.

By adopting the technical scheme, one part of vibration generated in the operation process of the equipment is transmitted to the elastic vibration damping pad and is absorbed by the elastic vibration damping pad, the other part of vibration generated in the operation process of the equipment is transmitted to the supporting rod, and the vibration on the supporting rod is absorbed by the first spring. The dual absorption effect of elastic damping pad and first spring effectively reduces the vibration of equipment and directly conducts basic main part avoids basic main part receives the vibration and causes the inner structure of basic main part and bottom plate to damage for a long time to the influence the waterproof performance of basic main part and bottom plate. Meanwhile, the waterproof layer covers the surface of the foundation main body completely, and the waterproof performance of the foundation main body is effectively guaranteed.

The utility model discloses further set up to: the sleeve pipe is including the main part pipe and the spacing pipe that communicate each other, spacing pipe is located main part pipe lower extreme and diameter and is greater than the main part pipe, the lower extreme threaded connection of branch has the limiting plate, fixedly connected with second spring between the upper surface of limiting plate and the spacing pipe upper wall.

Through adopting above-mentioned technical scheme, effectively improve the absorptive capacity to vibration on the branch under the dual function of first spring and second spring, simultaneously spacing pipe is to the upper and lower displacement limiting displacement of branch, guarantees the stability of branch guarantees the stability of basic steel sheet. Because the pipe diameter of spacing pipe is greater than the pipe diameter of main part pipe, spacing pipe can effectively improve sheathed tube resistance to plucking performance improves the stability of equipment basis.

The utility model discloses further set up to: the limiting pipe comprises a pipe body and an end cover, and the pipe body is in threaded connection with the end cover.

Through adopting above-mentioned technical scheme, spacing pipe's components of a whole that can function independently structure can effectively reduce the installation degree of difficulty of spacing pipe and branch, improves the convenience of construction.

The utility model discloses further set up to: and a sealing gasket is fixedly arranged in the end cover.

Through adopting above-mentioned technical scheme, seal ring can effectively improve spacing tub impervious performance.

The utility model discloses further set up to: the last shaping of basic steel sheet has the connecting hole, the upper end of branch is worn out and threaded connection has adjusting nut from the connecting hole.

Through adopting above-mentioned technical scheme, through rotating adjusting nut can be fixed branch, simultaneously adjusting nut also can compress in advance the second spring, effectively improves the stability of basic steel sheet.

The utility model discloses further set up to: the steel bar connecting structure is characterized in that connecting steel bars are fixedly connected between the sleeves and fixedly connected with steel bars of the bottom plate.

By adopting the technical scheme, after the connecting steel bars are poured into the foundation main body, the pulling resistance of the sleeve can be effectively improved, and the stability of the equipment foundation is improved. Simultaneously the installation of sleeve pipe also can be convenient for to the coupling bar, avoids when concreting the displacement or the elevation change appear in the sleeve pipe is strikeed.

The utility model discloses further set up to: and stirrups are arranged in the foundation main body.

Through adopting above-mentioned technical scheme, the stirrup can effectively improve the intensity of basic main part, guarantees the anti vibration ability of basic main part.

The utility model discloses further set up to: the upper end of the sleeve is in threaded connection with two pressing pieces.

Through adopting above-mentioned technical scheme, when carrying out waterproof construction, will the trompil department edge of waterproof layer is arranged in between two compressing pieces to rotatory upside compressing piece is fixed waterproof layer laminating. Because the sleeve pipe also can be conducted a small amount of vibrations, the in-process of sleeve pipe vibration will make the junction of sleeve pipe and waterproof layer appear the crack, reduces the waterproof ability of equipment foundation, the pressure strip can be fixed waterproof layer and sheathed tube junction, avoids waterproof layer and sleeve pipe junction appear the crack, guarantees the waterproof ability of equipment foundation.

To sum up, the utility model discloses a beneficial technological effect does:

(1) the first spring and the elastic vibration damping pad fully absorb the vibration of the equipment during operation, so that the influence of the vibration on the structure of the bottom plate is avoided, and the waterproof effect is prevented from being poor;

(2) the waterproof layer covers the foundation main body completely, so that the waterproof performance of the equipment foundation is effectively ensured;

(3) spacing pipe can improve sheathed tube resistance to plucking ability, improves the stability of this equipment basis, and the second spring in the spacing pipe also can strengthen the absorption to the vibration simultaneously.

Drawings

Fig. 1 is a schematic view of the overall structure of an embodiment of the present invention;

fig. 2 is a partially enlarged view of a portion a in fig. 1, and mainly shows a connection relationship between the waterproof layer and the sleeve.

Reference numerals: 1. a base body; 2. a base plate; 3. hooping; 4. a sleeve; 41. a main body tube; 42. a limiting pipe; 421. A pipe body; 422. an end cap; 5. a sealing gasket; 6. connecting reinforcing steel bars; 7. a waterproof layer; 8. sealing paste; 9. a compression sheet; 10. a strut; 11. a limiting plate; 12. a first spring; 13. a second spring; 14. an elastic vibration-damping pad; 15. a base steel plate; 16. installing a bolt; 17. connecting holes; 18. adjusting the nut; 19. edging; 20. fine aggregate concrete protective layer.

Detailed Description

The present invention will now be described more fully hereinafter with reference to the accompanying examples.

Referring to the attached drawing 1, the foundation damping structure of the underground building equipment comprises a foundation main body 1 and a bottom plate 2, wherein the foundation main body 1 protrudes out of the bottom plate 2 and is integrally cast with the bottom plate 2, stirrups 3 are arranged in the foundation main body 1, and edge strips 19 are integrally cast at the top edge of the foundation main body 1. A plurality of sleeve pipes 4 are poured in the foundation main body 1, each sleeve pipe 4 comprises a main pipe 41 and a limiting pipe 42, the lower end of each main pipe 41 is welded and communicated with the upper end of each limiting pipe 42, and the pipe diameter of each limiting pipe 42 is larger than that of each main pipe 41. The limiting tube 42 comprises a tube body 421 and an end cover 422, the tube body 421 is in threaded connection with the end cover 422, the end cover 422 is located at the lower end of the tube body 421, a sealing washer 5 made of rubber is fixedly arranged in the end cover 422, and after the end cover 422 and the tube body 421 are screwed, the lower end of the tube body 421 is abutted to the sealing washer 5 and is tightly contacted with the sealing washer 5. All fixedly connected with multichannel connecting reinforcement 6 between all sleeve pipes 4, some connecting reinforcement 6 stretch into the lower extreme and with the reinforcement ligature of bottom plate 2.

The fixed surface of bottom plate 2 is provided with waterproof layer 7, and this waterproof layer 7 adopts modified asphalt waterproofing membrane, and waterproof layer 7 is laid and cladding basic main part 1 along the surface of basic main part 1, and waterproof layer 7 is located sleeve pipe 4 department trompil at basic main part 1 upper surface, combines figure 2, scribbles sealant 8 between waterproof layer 7 and the sleeve pipe 4 upper end. The upper end of the sleeve 4 is in threaded connection with two pressing pieces 9, when waterproof construction is carried out, one pressing piece 9 is placed under the waterproof layer 7, then the waterproof layer 7 is laid, the waterproof layer 7 and the sleeve 4 are in sealing connection through the sealing paste 8, and finally the waterproof layer 7 and the sleeve 4 are fixedly connected through the cooperation of the other pressing piece 9 and the pressing piece 9 on the lower side of the waterproof layer 7. After the construction of the waterproof layer 7 is completed, a fine aggregate concrete protective layer 20 is manufactured on the outer side of the waterproof layer 7.

The main body pipe 41 is internally provided with a support rod 10 in a sliding manner, the lower end of the support rod 10 extends into the limiting pipe 42 and is in threaded connection with a limiting plate 11, a first spring 12 is fixedly connected between the lower surface of the limiting plate 11 and the bottom of the limiting pipe 42, and a second spring 13 is fixedly connected between the upper surface of the limiting plate 11 and the top of the limiting pipe 42.

After the concrete protection layer construction is finished, an elastic vibration damping pad 14 made of rubber is fixedly arranged at the top of the foundation main body 1, a foundation steel plate 15 is arranged on the upper surface of the elastic vibration damping pad, a plurality of mounting bolts 16 are fixedly arranged on the foundation steel plate 15, a connecting hole 17 is formed in the foundation steel plate 15, and the upper end of the supporting rod 10 penetrates through the elastic vibration damping pad 14 and the connecting hole 17 and is in threaded connection with an adjusting nut 18. Rotating the adjusting nut 18 can tighten the strut 10.

The working principle of the embodiment is as follows: part of the vibration generated during the operation of the device is transmitted to the elastic damping pad 14 and absorbed by the elastic damping pad 14, and the other part of the vibration generated during the operation of the device is transmitted to the strut 10, and the vibration on the strut 10 is absorbed by the first spring 12 and the second spring 13. The double absorption effect of elastic damping pad 14 and first spring 12 effectively reduces the vibration of equipment and directly conducts basic main part 1, avoids basic main part 1 to receive the vibration for a long time and causes the inner structure of basic main part 1 and bottom plate 2 to damage to influence basic main part 1 and the waterproof performance of bottom plate 2. Meanwhile, the waterproof layer 7 covers the surface of the foundation main body 1 completely, and the waterproof performance of the foundation main body 1 is effectively guaranteed.

The above, only do the preferred embodiment of the present invention, not limit the protection scope of the present invention according to this, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims

1. An underground construction equipment foundation damping structure, includes basic main part (1) and bottom plate (2), its characterized in that: the foundation main body (1) protrudes out of the bottom plate (2) and is integrally cast with the bottom plate (2), a plurality of sleeves (4) are cast in the foundation main body (1), supporting rods (10) are slidably arranged in the sleeves (4), and first springs (12) are fixedly connected between the lower ends of the supporting rods (10) and the bottoms of the sleeves (4); an elastic vibration damping pad (14) is arranged at the top of the base main body (1), a base steel plate (15) is arranged on the upper surface of the elastic vibration damping pad, a plurality of mounting bolts (16) are fixedly arranged on the base steel plate (15), and the base steel plate (15) is detachably connected with the upper end of the support rod (10); the waterproof layer (7) is fixedly arranged on the upper surface of the base plate (2), the waterproof layer (7) is laid along the surface of the base body (1), the waterproof layer (7) is provided with a hole at the position, located on the sleeve (4), of the upper surface of the base body (1), and sealing paste (8) is coated between the waterproof layer (7) and the upper end of the sleeve (4).

2. An underground construction equipment foundation damping structure according to claim 1, wherein: casing pipe (4) are including main part pipe (41) and spacing pipe (42) that communicate each other, spacing pipe (42) are located main part pipe (41) lower extreme and diameter and are greater than main part pipe (41), the lower extreme threaded connection of branch (10) has limiting plate (11), fixedly connected with second spring (13) between the upper surface of limiting plate (11) and spacing pipe (42) upper wall.

3. An underground construction equipment foundation damping structure according to claim 2, wherein: spacing pipe (42) include body (421) and end cover (422), body (421) and end cover (422) threaded connection.

4. An underground construction equipment foundation damping structure according to claim 3, wherein: and a sealing gasket (5) is fixedly arranged in the end cover (422).

5. An underground construction equipment foundation damping structure according to claim 2, wherein: the steel plate foundation is characterized in that a connecting hole (17) is formed in the steel plate foundation (15), the upper end of the supporting rod (10) penetrates out of the connecting hole (17) and is in threaded connection with an adjusting nut (18).

6. An underground construction equipment foundation damping structure according to claim 2, wherein: equal fixedly connected with connecting reinforcement (6) between sleeve pipe (4), connecting reinforcement (6) and the reinforcing bar fixed connection of bottom plate (2).

7. An underground construction equipment foundation damping structure according to claim 1, wherein: the foundation main body (1) is internally provided with a stirrup (3).

8. An underground construction equipment foundation damping structure according to claim 1, wherein: the upper end of the sleeve (4) is in threaded connection with two pressing pieces (9).