CN212425147U - Pre-buried hoist of precast concrete apron of two application scenes - Google Patents
Pre-buried hoist of precast concrete apron of two application scenes Download PDFInfo
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- CN212425147U CN212425147U CN202020869653.4U CN202020869653U CN212425147U CN 212425147 U CN212425147 U CN 212425147U CN 202020869653 U CN202020869653 U CN 202020869653U CN 212425147 U CN212425147 U CN 212425147U
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- base body
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- cover plate
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- 239000011178 precast concrete Substances 0.000 title claims abstract description 22
- 239000004567 concrete Substances 0.000 claims abstract description 26
- 238000009434 installation Methods 0.000 claims abstract description 14
- 238000007789 sealing Methods 0.000 claims description 21
- 230000009977 dual effect Effects 0.000 claims description 9
- 230000006978 adaptation Effects 0.000 abstract 1
- 238000004519 manufacturing process Methods 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 238000005452 bending Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 238000009499 grossing Methods 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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Abstract
The utility model provides a concrete precast cover plate pre-buried lifting appliance with double application scenes, which comprises a lower base, wherein the lower base comprises a lower base body and a lower connecting piece arranged on the lower base body; the top of the upper base body is provided with an opening; the upper connecting piece is detachably connected with the lower connecting piece. The top connecting piece comprises a hoisting piece and a load piece and is suitable for being detachably connected to the installation cavity respectively. Precast concrete apron pre-buried hoist of two applied scenes, can repeatedly open prefabricated apron, use when adaptation prefabricated apron need bear load and need repeat to lift by crane.
Description
Technical Field
The utility model belongs to hoist and mount frock field, concretely relates to precast concrete apron pre-buried hoist of two applied scenes.
Background
The precast concrete cover plate is mostly used for the upper buckle cover of a ditch, a cable trench, a pipe trench, a small pipe gallery and the like, and the upper sling arrangement of the precast concrete cover plate on the upper part of the precast concrete cover plate becomes indispensable, wherein the precast concrete cover plate is large and heavy, particularly needs to pass through heavy load on the cover plate and needs to be opened periodically or irregularly.
The pre-buried hoist then mainly used fixes the precast concrete apron, carry out the apron handling through being connected with the jack-up hoist, it is extensive in life and production operation application, the pre-buried hoist of precast concrete apron on the present market is with round steel cold-bending processing more, or form with the thick steel plate welding of punching, when exerting overweight load above the precast concrete apron, need consider pre-buried hoist can be outstanding the face of precast concrete apron, and then arouse the following problem, the face that pre-buried hoist is outstanding the precast concrete apron will destroy precast concrete apron's wholeness to a certain extent, also do not benefit to the pleasing to the eye that carries out the whole utilization to the precast concrete apron, when need opening the handling to the precast concrete apron simultaneously, be unfavorable for the connection and the operation of jack-up hoist.
In view of this, it is urgently needed to provide a concrete precast cover plate pre-buried lifting appliance capable of repeatedly opening a concrete precast cover plate in a dual-application scenario.
SUMMERY OF THE UTILITY MODEL
Therefore, the utility model aims to solve the technical problem that a can repeatedly open precast concrete apron pre-buried hoist of precast concrete apron of two application scenes of precast concrete apron is provided
The utility model relates to a concrete precast cover plate pre-buried lifting appliance with double application scenes, which comprises,
the lower base comprises a lower base body and a lower connecting piece arranged on the lower base body;
the upper base comprises an upper base body and an upper connecting piece arranged at the bottom of the upper base body; an installation cavity is arranged in the upper base body; the upper connecting piece is detachably connected with the lower connecting piece;
the top connecting piece comprises a hoisting piece and a load piece and is suitable for being detachably connected to the installation cavity respectively.
Further, the installation cavity comprises a smooth cavity and a threaded cavity, and the cavity diameter of the smooth cavity is larger than that of the threaded cavity; and the thread cavity is internally provided with threads suitable for being in threaded connection with the top connecting piece.
Further, the hoisting piece is an eyebolt; the lifting bolt comprises a thread section and a hoisting section, the thread section of the lifting bolt is in threaded connection with the thread cavity, and a hoisting hole is formed in the top end of the hoisting section of the lifting bolt.
Further, the load member is a sealing bolt; the sealing bolt comprises a threaded section and a nut section; the threaded section of the sealing bolt is in threaded connection with the threaded cavity; the diameter of the nut section of the sealing bolt is larger than that of the thread section of the sealing bolt, and an inner hole is formed in the top of the nut section.
Further, the sealing bolt comprises a threaded section and a nut section; the threaded section of the sealing bolt is in threaded connection with the threaded cavity; the diameter of the nut section of the sealing bolt is larger than that of the thread section of the sealing bolt, and an inner hole is formed in the top of the nut section.
Furthermore, the lower connecting piece comprises at least three screw rods, and the screw rods are uniformly distributed around the center of the lower base body; the upper connecting piece is provided with a screw hole, and the screw rod is connected with the screw hole through a threaded sleeve.
Furthermore, a threaded sleeve is arranged at the screw hole of the upper connecting piece and is connected with the screw in a matching manner.
Furthermore, an annular body is arranged on the outer side of the upper base body, and the annular body is positioned above the upper connecting piece.
Furthermore, the center of the lower connecting piece is hollowed out.
Furthermore, the upper base body is cylindrical, and the outer wall of the upper base body is provided with combination grains.
Above-mentioned technical scheme of the utility model, compare prior art and have following advantage:
the utility model discloses a concrete precast cover plate pre-buried hoist of dual use scene, through replacing eyebolt or sealing bolt in the installation cavity in the upper base body, when needing to hoist the precast cover plate, with eyebolt's screw thread section and the threaded cavity threaded connection of installation cavity, and then hoist the precast cover plate; need bear the load at prefabricated apron, when needing to keep surface smoothness, with the threaded section of sealing bolt and the threaded cavity threaded connection of installation cavity, keep sealing bolt's nut section top and the top highly uniform of last base body, and then guarantee the surface smoothness of prefabricated apron, guaranteed the demand that bears the load promptly and increased beautifully again.
Drawings
Fig. 1 is a schematic structural diagram of a concrete prefabricated cover plate pre-buried lifting appliance in a dual-application scenario of the embodiment of the present invention;
fig. 2 is a cross-sectional view of the concrete precast cover plate pre-buried lifting tool in the dual application scenario of the embodiment of the present invention when installing the sealing bolt;
fig. 3 is a cross-sectional view of the concrete precast cover plate pre-buried lifting tool in the dual application scenario of the embodiment of the present invention when installing the eye bolt;
wherein, 1, an upper base; 2. a lower base; 3. an eye bolt; 4. a seal bolt; 11. an upper base body; 12. an upper connecting piece; 21. a lower base body; 22. a lower connecting piece; 111. a mounting cavity; 112. an annular body; 113. a bonding pattern; 121. a screw hole; 122. a threaded sleeve; 221. a screw; 31. hoisting holes; 32. an inner bore; 1111. a smoothing chamber; 1112. a threaded cavity.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
The pre-buried hoist of two application scenarios concrete precast apron of this embodiment, as shown in fig. 1, includes, lower base 2 includes lower base body 21 and locates lower connecting piece 22 on lower base body 21.
The device comprises an upper base 1, wherein the upper base 1 comprises an upper base body 11 and an upper connecting piece 12 arranged at the bottom of the upper base body 11; an installation cavity 111 is arranged in the upper base body 11; the upper connecting member 12 is detachably connected to the lower connecting member 22.
The top connecting piece comprises a hoisting piece and a load piece and is suitable for being detachably connected to the mounting cavity 111 respectively.
The mounting cavity 111 comprises a smooth cavity 1111 and a threaded cavity 1112, and the cavity diameter of the smooth cavity 1111 is larger than that of the threaded cavity 1112; the thread cavity 1112 is internally provided with threads and is suitable for being in threaded connection with the top connecting piece;
in order to realize the applicability of the dual application scenario of this embodiment, as shown in fig. 2 and fig. 3, the hoisting member is an eyebolt 3, the eyebolt 3 includes a threaded section and a hoisting section, the threaded section is in threaded connection with the first threaded section, the top end of the hoisting section is provided with a hoisting hole 31 suitable for hoisting this embodiment, the load member is a seal bolt 4, the seal bolt 4 includes a threaded section and a nut section, the nut section diameter of the seal bolt 4 is greater than the threaded section diameter thereof, the top of the seal bolt 4 is provided with an inner hole 41 suitable for unscrewing the seal bolt 4, and the nut section height of the seal bolt 4 is adapted to the height of the smooth cavity 1111, in this embodiment, the nut section height of the seal bolt 4 is equal to the depth of the smooth cavity 1112.
In the embodiment, the hoisting ring bolt or the sealing bolt is replaced in the mounting cavity in the upper base body, when the prefabricated cover plate needs to be hoisted, the threaded section of the hoisting ring bolt 3 is in threaded connection with the threaded cavity 1112 of the mounting cavity 111, and then the prefabricated cover plate is hoisted; when the prefabricated cover plate needs to bear load and needs to keep surface flatness, the thread section of the sealing bolt 4 is in threaded connection with the thread cavity 1112 of the installation cavity 111, the top of the nut section of the sealing bolt 4 is kept to be consistent with the top of the upper base body in height, and then the surface flatness of the prefabricated cover plate is guaranteed, so that the requirement of bearing load is met, and attractiveness is increased.
In order to achieve the stability of the lower base body 21 and the upper base body 11 in the present embodiment, as shown in fig. 1 and fig. 2, the lower connecting member 22 includes at least three screws 221, and the screws 221 are distributed in a circumferential array around the center of the lower base body 21, and accordingly, the upper connecting member 12 is provided with screw holes 121 having the same number as the screws 221, the screws 221 are connected with the screw holes 121, specifically, in the present embodiment, the number of the screws 221 is four, and an included angle between adjacent screws 221 is 90 degrees.
The distance between the upper base body 11 and the lower base body 21 can be adjusted to a certain extent by the upper base body 11, the lower base body 21, the bolts and the screws for assembling the two, so as to adapt to the bearing requirements of prefabricated cover plates with different heights.
In order to increase the reliability of the connection between the lower connecting piece and the upper connecting piece, a thread sleeve 122 is arranged at the thread of the upper connecting piece, and the thread sleeve 122 is connected with the screw rod 221 in a matching manner. The arrangement of the thread sleeve 122 can increase the contact area of the threads, thereby enhancing the strength and reliability of the connection.
In order to further increase the contact area between the present embodiment and the concrete of the prefabricated cover plate, as shown in fig. 1, an annular body 112 is provided outside the upper base body 11, and the annular body 112 is located above the upper connecting member 12.
In order to reduce the weight of the present embodiment, as shown in fig. 2 and 3, the center of the lower connecting member 22 is hollowed out, so as to reduce the weight, reduce the manufacturing cost, and be more suitable for mass production.
In order to increase the bonding strength between the present embodiment and the prefabricated cover plate, the upper base body 11 is cylindrical, and the outer wall of the upper base body 11 is provided with the bonding lines 113, in the present embodiment, the bonding lines 113 are threaded, and the contact surface between the present embodiment and the prefabricated cover plate concrete is increased through the bonding lines 113, so that the bonding force between the upper base body 11 and the prefabricated cover plate concrete of the present embodiment is increased, and meanwhile, because the upper base body 11 is cylindrical, the contact stress between the present embodiment and the prefabricated cover plate concrete is more uniform, so that the overall bearing capacity of the present embodiment is increased.
The use method of the concrete precast cover plate embedded lifting appliance with double application scenes in the embodiment is as follows: in the process of prefabricating the concrete prefabricated cover plate, embedding the concrete prefabricated cover plate embedded lifting appliance in the double application scenes into the concrete prefabricated cover plate, and keeping the height of the top of the upper base body consistent with the plate surface of the concrete prefabricated cover plate; when the precast concrete cover plate needs to be lifted, a lifting piece is installed in the installation cavity of the upper base body, and a lifting device is connected with the lifting piece for lifting; and when the concrete prefabricated cover plate is required to bear load, the load piece is installed in the installation cavity of the upper base body.
It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications can be made without departing from the scope of the invention.
Claims (9)
1. The utility model provides a pre-buried hoist of precast concrete apron of two application scenes which characterized in that includes:
the lower base comprises a lower base body and a lower connecting piece arranged on the lower base body;
the upper base comprises an upper base body and an upper connecting piece arranged at the bottom of the upper base body; an installation cavity is arranged in the upper base body; the upper connecting piece is detachably connected with the lower connecting piece;
the top connecting piece comprises a hoisting piece and a load piece and is suitable for being detachably connected to the installation cavity respectively.
2. The concrete precast cover plate embedded lifting appliance according to the dual application scenario of claim 1, wherein the installation cavity comprises a smooth cavity and a threaded cavity, and the cavity diameter of the smooth cavity is larger than that of the threaded cavity; and the thread cavity is internally provided with threads suitable for being in threaded connection with the top connecting piece.
3. The concrete precast cover plate embedded lifting appliance with the double application scenes of claim 2 is characterized in that the lifting piece is an eye bolt; the lifting bolt comprises a thread section and a hoisting section, the thread section of the lifting bolt is in threaded connection with the thread cavity, and a hoisting hole is formed in the top end of the hoisting section of the lifting bolt.
4. The concrete precast cover plate embedded lifting appliance with double application scenes of claim 2, wherein the load part is a sealing bolt; the sealing bolt comprises a threaded section and a nut section; the threaded section of the sealing bolt is in threaded connection with the threaded cavity; the diameter of the nut section of the sealing bolt is larger than that of the thread section of the sealing bolt, and an inner hole is formed in the top of the nut section.
5. The concrete precast cover plate embedded lifting appliance in the dual application scenes of claim 3 or 4, wherein the lower connecting piece comprises at least three screw rods, and the screw rods are uniformly distributed around the center of the lower base body; the upper connecting piece is provided with a screw hole, and the screw rod is connected with the screw hole through a threaded sleeve.
6. The pre-buried hoist of precast concrete apron of two application scenes of claim 5, characterized in that, threaded sleeve is equipped with in the screw department of going up the connecting piece, threaded sleeve with the screw rod cooperation is connected.
7. The concrete precast cover plate embedded lifting appliance in the dual application scenes of claim 6, wherein an annular body is arranged on the outer side of the upper base body, and the annular body is positioned above the upper connecting piece.
8. The concrete precast cover plate embedded lifting appliance in the dual application scenes of claim 7, wherein the center of the lower connecting piece is hollowed.
9. The concrete precast cover plate embedded lifting appliance in the dual application scenes of claim 1, wherein the upper base body is cylindrical, and the outer wall of the upper base body is provided with combination grains.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020869653.4U CN212425147U (en) | 2020-05-21 | 2020-05-21 | Pre-buried hoist of precast concrete apron of two application scenes |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020869653.4U CN212425147U (en) | 2020-05-21 | 2020-05-21 | Pre-buried hoist of precast concrete apron of two application scenes |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212425147U true CN212425147U (en) | 2021-01-29 |
Family
ID=74287912
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020869653.4U Expired - Fee Related CN212425147U (en) | 2020-05-21 | 2020-05-21 | Pre-buried hoist of precast concrete apron of two application scenes |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212425147U (en) |
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2020
- 2020-05-21 CN CN202020869653.4U patent/CN212425147U/en not_active Expired - Fee Related
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210129 |