CN211850382U - Device for ensuring thickness of beam bottom steel bar protective layer - Google Patents
Device for ensuring thickness of beam bottom steel bar protective layer Download PDFInfo
- Publication number
- CN211850382U CN211850382U CN202020261061.4U CN202020261061U CN211850382U CN 211850382 U CN211850382 U CN 211850382U CN 202020261061 U CN202020261061 U CN 202020261061U CN 211850382 U CN211850382 U CN 211850382U
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- rod
- steel bar
- fixed connection
- locking plate
- protective layer
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Abstract
The utility model discloses a device for ensuring the thickness of a protective layer of a steel bar at the bottom of a beam, which comprises a supporting steel bar for penetrating through the steel bar at the top of the beam, a hoisting mechanism for hoisting the supporting steel bar and a fixing mechanism for fixing the supporting steel bar and the beam steel, wherein the hoisting mechanism comprises a first support column, a second support column positioned at the right side of the first support column, a first rotating mechanism fixedly connected with the top of the first support column, a second rotating mechanism fixedly connected with the top of the second support column, a rotating rod connected with the first rotating mechanism and the second rotating mechanism, and a hanging mechanism positioned on the rotating rod, the supporting steel bar of the utility model is arranged to facilitate the hoisting of the beam steel so as to separate the beam steel from the bottom template of the beam, the hoisting mechanism is arranged so that the distance between the beam steel and the bottom template of the beam can reach a set value, and then the supporting steel bar is placed on a prefabricated steel bar stool or fixed on the, the labor intensity of workers is saved.
Description
Technical Field
The utility model relates to a construction technical field, concretely relates to guarantee device of bottom of beam reinforcing bar protective layer thickness.
Background
With the rapid development of the building industry, the number of buildings is more and more, and supporting facilities such as large ground depots, civil air defense depots and the like are also more and more. The existing specification and drawings have clear and strict requirements on the thickness of a protective layer of a beam bottom steel bar of a ground depot, and if the thickness of the protective layer of the beam bottom steel bar does not meet the requirements, the problems of exposed steel bars, corrosion of the steel bar, improper protection of the steel bar and the like can be caused, so that certain quality problems are caused.
The traditional beam bottom steel bar protection layer guarantee measures adopt a mode of additionally arranging a concrete cushion block at the beam bottom to guarantee the thickness of the steel bar protection layer, and the thickness of the beam bottom steel bar protection layer is easy to guarantee for a common smaller beam. But the effect is not very good to ground storehouse roof beam especially people's air defense ground storehouse roof beam, because ground storehouse roof beam reinforcing bar diameter is great, the whole weight that leads to ground storehouse roof beam is great highly whole great, adopts general additional to establish concrete cushion method to operate very difficultly and the concrete cushion is very easily crushed by the huge weight of roof beam, is unfavorable for guaranteeing the protective layer thickness of beam bottom reinforcing bar.
Therefore, it is a problem worthy of research to provide a device for verifying the thickness of the bottom reinforcing steel bar protection layer, which has a wide application range, is simple to operate, and is cost-effective.
Disclosure of Invention
The utility model aims at providing a wide, the easy operation of application scope and the device of the card bottom of beam reinforcing bar protective layer thickness that saves the cost to the not enough of above-mentioned prior art.
The purpose of the utility model is realized like this:
the utility model provides a guarantee device of roof beam bottom reinforcing bar protective layer thickness, is including the supporting bar that is used for passing roof beam steel top reinforcing bar, the fixed establishment who is used for making supporting bar and roof beam steel fixed that lifts by crane the mechanism of lifting by crane of supporting bar and being used for, lift by crane the mechanism and include first pillar, be located the second pillar on first pillar right side, with first pillar top fixed connection's first slewing mechanism, with the second slewing mechanism of the top fixed connection of second pillar, with the dwang that first slewing mechanism and second slewing mechanism are connected, be located the mechanism of hanging on the dwang.
First rotation mechanism includes fixed and the cover of the top of first pillar establish the left first sleeve of dwang, with the left end face fixed connection's of dwang first in command, be used for making the first in command carry out the first locking mechanical system that locks, the left side surface of dwang passes through the bearing with the internal surface of first sleeve and is connected.
First locking mechanical system include with first telescopic left surface fixed connection's first locking plate, be located first locking plate and be the annular through-hole, pass annular through-hole's first screw rod, the cover is established on first screw rod and is located the left first lock nut of first locking plate, the cover is established on first screw rod and is located the second lock nut on the right side of first locking plate, the left end of first screw rod and the right flank fixed connection in the first in command, first screw rod moves in the annular through-hole.
The second slewing mechanism comprises a second sleeve fixed with the top of the second supporting column and sleeved on the right side of the rotating rod, a second handle fixedly connected with the right end face of the rotating rod, and a second locking mechanism used for enabling the second handle to be locked, and the outer surface of the left side of the rotating rod is connected with the inner surface of the second sleeve through a bearing.
The second locking mechanism comprises a second locking plate fixedly connected with the right side face of the second sleeve, a second annular through hole, a second screw rod, a third locking nut and a fourth locking nut, the second locking plate is located on the second locking plate and located on the left side of the second locking plate, the second annular through hole penetrates through the second screw rod, the third locking nut is sleeved on the second screw rod and located on the right side of the second locking plate, the right end of the second screw rod is fixedly connected with the left side face of the second handle, and the second screw rod moves in the second annular through hole.
The first in command includes the first body of rod that just is in the horizontal direction with the left end face fixed connection of dwang, just is in the second body of rod of vertical direction with the left end face fixed connection of the first body of rod, just is in the third body of rod of horizontal direction with the top fixed connection of the second body of rod, the left end of first screw rod and the right flank fixed connection of the second body of rod.
The second handle includes the fourth body of rod that just is in the horizontal direction with the right-hand member face fixed connection of dwang, just is in the fifth body of rod of vertical direction with the right-hand member face fixed connection of the fourth body of rod, just is in the sixth body of rod of horizontal direction with the top fixed connection of the fifth body of rod, the right-hand member of second screw rod and the left surface fixed connection of the fifth body of rod.
The hanging mechanism comprises a steel wire rope wound on the rotating rod and a hook fixedly connected with the end part of the steel wire rope, and the number of the hanging mechanisms is at least two.
The fixing mechanism comprises supporting legs, a placing block fixedly connected with the tops of the supporting legs, and a placing groove which is located on the upper surface of the placing block and has an upward opening, wherein the left side surface and the right side surface of the placing groove are communicated with the left side surface and the right side surface of the placing block respectively.
The landing leg includes first cylinder, the cover is established and is followed the second cylinder that first cylinder length direction removed in the first cylinder, is equipped with the internal thread on the first cylinder, is equipped with the external screw thread on the second cylinder, is equipped with the scale interval on the second cylinder.
Has the positive and beneficial effects that: the utility model discloses the setting of support reinforcement is convenient for hold up the beam steel, makes the beam steel break away from with roof beam bottom formwork, lifts by crane the setting of mechanism, can make the distance of beam steel and roof beam bottom formwork reach the setting value, then places on prefabricated reinforcing bar split heads or fix on fixed establishment, adjusts the accuracy, saves workman's intensity of labour.
Drawings
Fig. 1 is a schematic structural diagram of embodiment 1 of the present invention;
FIG. 2 is an enlarged schematic view of portion A;
FIG. 3 is an enlarged schematic view of part B;
FIG. 4 is a left side view of FIG. 1;
fig. 5 is a schematic structural view of embodiment 1 of the present invention in use;
fig. 6 is a schematic structural view of embodiment 2 of the present invention;
FIG. 7 is a left side view of FIG. 6;
fig. 8 is a schematic structural view of embodiment 2 of the present invention in use;
in the figure, the following steps are carried out: the support steel bar comprises a support steel bar 1, a hoisting mechanism 2, a first pillar 3, a second pillar 4, a rotating rod 5, a first rotating rod 6, a second rotating mechanism 7, a bottom plate 8, a first sleeve 9, a first handle 10, a first locking plate 11, a first screw 12, a first locking nut 13, a second locking nut 14, a first rod body 15, a second rod body 16, a third rod body 17, a second cylinder body 18, a second handle 19, a second locking plate 20, a second screw 21, a third locking nut 22, a fourth locking nut 23, a fourth rod body 25, a fifth rod body 25, a sixth rod body 26, an annular through hole 27, a placing block 28, a supporting leg 29, a first cylinder 30, a second cylinder 31 and a placing groove 32.
Detailed Description
The present invention will be further explained with reference to the drawings and examples.
Example 1
As shown in fig. 1 to 5, a device for ensuring the thickness of a protective layer of a steel bar at the bottom of a beam comprises a support steel bar 1 for penetrating the steel bar at the top of the beam, a lifting mechanism 2 for lifting the support steel bar 1, and a fixing mechanism for fixing the support steel bar 1 and the beam, wherein the fixing mechanism adopts a prefabricated split heads, the lifting mechanism 2 is placed on a template at two sides of the steel bar, the lifting mechanism 2 is used for lifting the beam and separating the steel bar at the bottom of the beam from the template at the bottom of the beam, then the lifted steel bar is placed on the prefabricated split heads, the height of the split heads is set according to the required distance between the steel bar at the bottom of the beam and the template at the bottom of the beam, namely, the distance between the steel bar at the bottom of the beam and the template at the bottom of the beam is the thickness of the protective layer of the steel bar at the bottom of the beam, the operation is simple, the labor intensity of workers is reduced, then the support steel, hang mechanism 2 and include first pillar 3, be located the second pillar 4 on first pillar 3 right side, with first slewing mechanism 6 of 3 top fixed connection of first pillar, with second slewing mechanism 7 of the top fixed connection of second pillar 4, with first slewing mechanism 6 and the dwang 5 that second slewing mechanism 7 is connected, be located the mechanism that hangs on dwang 5, the backing plate 8 has all been welded to the bottom of first pillar 3 and the bottom of second pillar 4, the area of contact of increase and template makes the remaining template contact of mechanism 2 firm, hang the mechanism including winding wire rope on dwang 5, with wire rope's tip fixed connection's couple, hang the mechanism and set up two wire rope's that hang hook
When the steel beam is required to be hoisted, firstly, the supporting steel bar 1 penetrates through the lower part of the steel bar at the top of the steel beam and fixes the supporting steel bar 1 with the steel bar at the top of the steel beam, then the supporting steel bar 1 is hooked by the hook, then the second handle 19 is rotated, the second handle 49 drives the rotating rod 5 to rotate, further, the steel wire rope is wound on the rotating rod 5, so that the steel beam is hoisted, after the steel beam is hoisted, when the height of the steel beam is required to be locked, the third locking nut 22 is simultaneously screwed to move rightwards, the fourth locking nut 23 moves leftwards, so that the third locking nut 22 and the fourth locking nut 23 are both fixed with the second locking plate 20, namely the second screw 21 is fixed with the second locking plate 20, the second handle 19 and the rotating rod 5 are fixed with the first locking plate 11, the prefabricated split heads are placed at the set positions, then the third bolt nut 22 and the fourth locking nut 23 are loosened, so that the supporting steel bar 1 descends, the distance between the bottom of the steel beam and the bottom template is the thickness of the protective layer of the steel bar at the bottom of the beam, the operation is simple, and the labor intensity of workers is reduced. When the weight of the steel beam is larger, the first handle 10 and the second handle 19 are rotated simultaneously, and the hoisting mechanism is prevented from being stressed unevenly and inclined.
Example 2
As shown in fig. 1 to 5, a device for ensuring the thickness of a protective layer of a steel bar at the bottom of a beam comprises a support steel bar 1 for penetrating the steel bar at the top of the beam, a lifting mechanism 2 for lifting the support steel bar 1, and a fixing mechanism for fixing the support steel bar 1 and the beam, wherein the lifting mechanism 2 is placed on a template at two sides of the beam, the beam is lifted by the lifting mechanism 2 and separated from the template at the bottom of the beam, and then the beam is placed on the fixing mechanism for fixing, the operation is simple, and the labor intensity of workers is reduced, the lifting mechanism 2 comprises a first pillar 3, a second pillar 4 positioned at the right side of the first pillar 3, a first rotating mechanism 6 fixedly connected with the top of the first pillar 3, a second rotating mechanism 7 fixedly connected with the top of the second pillar 4, a rotating rod 5 connected with the first rotating mechanism 6 and the second rotating mechanism 7, and a hanging mechanism positioned on the first pillar 5, backing plates 8 are welded at the bottom of the first support 3 and the bottom of the second support 4, the contact area between the backing plates and the templates is increased, so that the remaining templates of the hoisting mechanism 2 are firmly contacted, the hoisting mechanism comprises a steel wire rope wound on the rotating rod 5 and a hook fixedly connected with the end part of the steel wire rope, and the hoisting mechanism is provided with two steel wire ropes
When the steel beam is required to be hoisted, firstly, the supporting steel bar 1 penetrates through the lower part of the steel bar at the top of the steel beam and fixes the supporting steel bar 1 and the steel bar at the top of the steel beam, then the supporting steel bar 1 is hooked by the hook, then the second handle 19 is rotated, the second handle 49 drives the rotating rod 5 to rotate, further, the steel wire rope is wound on the rotating rod 5, so that the steel beam is hoisted, after the steel beam is hoisted, when the height of the steel beam is required to be locked, the third locking nut 22 is simultaneously screwed to move rightwards, the fourth locking nut 23 moves leftwards, so that the third locking nut 22 and the fourth locking nut 23 are both fixed with the second locking plate 20, namely the second screw 21 is fixed with the second locking plate 20, the second handle 19 and the rotating rod 5 are fixed with the first locking plate 11, the fixing mechanism is placed at a set position, then the third bolt nut 22 and the fourth locking nut 23 are loosened, so that the supporting steel bar 1, the distance between the bottom of the steel beam and the bottom template is the thickness of the protective layer of the steel bar at the bottom of the beam, the operation is simple, and the labor intensity of workers is reduced. When the weight of the steel beam is larger, the first handle 10 and the second handle 19 are rotated simultaneously, and the hoisting mechanism is prevented from being stressed unevenly and inclined.
As shown in fig. 6 to 8, the fixing mechanism includes a supporting leg 29, a placing block 28 fixedly connected to the top of the supporting leg 29, and a placing groove 32 located on the upper surface of the placing block 28 and having an upward opening, the left side and the right side of the placing groove 32 are respectively communicated with the left side and the right side of the placing block, two supporting legs 29 and two placing blocks 28 are respectively disposed and are respectively disposed on the formworks at both sides of the steel beam to fix the supporting steel bar 1, the supporting leg 29 includes a first cylinder 30 and a second cylinder 31 sleeved in the first cylinder 30 and moving along the length direction of the first cylinder 30, the first cylinder 30 and the second cylinder 31 are in threaded connection, an internal thread is disposed on the first cylinder 30, an external thread is disposed on the second cylinder 31, a channel for moving the second cylinder 31 is disposed at the center of the first cylinder 30, an internal thread is disposed on the inner surface of the channel, the first cylinder 30 and the second cylinder, the relative length of adjustable first cylinder and second cylinder, can be applicable to the thickness of different beam bottom reinforcing bar protective layers, application scope is wide, avoid prefabricating in advance, be equipped with the scale interval on the second cylinder 31, the height of adjustment landing leg 29 that can be accurate, at first according to the thickness of beam bottom reinforcing bar protective layer, rotate first cylinder 30 and second cylinder 31, make landing leg 29 highly reach preset value, the girder steel is lifted by hoisting mechanism 2 the back, place fixed establishment in the position of settlement, place respectively on the template of the both sides of girder steel, then move the girder steel downwards, make supporting bar 1 fall into standing groove 32, then it is firm to carry out the ligature through the bundle silk with supporting bar 1 and standing groove 32, the distance between beam bottom reinforcing bar and the bottom template is the protective layer thickness of beam bottom reinforcing bar promptly.
The utility model discloses the setting of support reinforcement is convenient for hold up the beam steel, makes the beam steel break away from with roof beam bottom formwork, lifts by crane the setting of mechanism, can make the distance of beam steel and roof beam bottom formwork reach the setting value, then places on prefabricated reinforcing bar split heads or fix on fixed establishment, adjusts the accuracy, saves workman's intensity of labour.
Claims (10)
1. The utility model provides a guarantee device of beam bottom reinforcing bar protective layer thickness which characterized in that: including the supporting bar that is used for passing roof beam steel top reinforcing bar, be used for hoisting the lifting mechanism of supporting bar and be used for making supporting bar and the fixed establishment of roof beam steel, lifting mechanism includes first pillar, be located the second pillar on first pillar right side, with first pillar top fixed connection's first slewing mechanism, with the second slewing mechanism of the top fixed connection of second pillar, with the dwang that first slewing mechanism and second slewing mechanism are connected, be located the mechanism that hangs on the dwang.
2. The device for ensuring the thickness of the protective layer of the steel bar at the bottom of the beam according to claim 1, wherein: first rotation mechanism includes fixed and the cover of the top of first pillar establish the left first sleeve of dwang, with the left end face fixed connection's of dwang first in command, be used for making the first in command carry out the first locking mechanical system that locks, the left side surface of dwang passes through the bearing with the internal surface of first sleeve and is connected.
3. The device for ensuring the thickness of the protective layer of the steel bar at the bottom of the beam according to claim 2, wherein: first locking mechanical system include with first telescopic left surface fixed connection's first locking plate, be located first locking plate and be the annular through-hole, pass annular through-hole's first screw rod, the cover is established on first screw rod and is located the left first lock nut of first locking plate, the cover is established on first screw rod and is located the second lock nut on the right side of first locking plate, the left end of first screw rod and the right flank fixed connection in the first in command, first screw rod moves in the annular through-hole.
4. The device for ensuring the thickness of the protective layer of the steel bar at the bottom of the beam according to claim 3, wherein: the second slewing mechanism comprises a second sleeve fixed with the top of the second supporting column and sleeved on the right side of the rotating rod, a second handle fixedly connected with the right end face of the rotating rod, and a second locking mechanism used for enabling the second handle to be locked, and the outer surface of the left side of the rotating rod is connected with the inner surface of the second sleeve through a bearing.
5. The device for ensuring the thickness of the protective layer of the steel bar at the bottom of the beam according to claim 4, wherein: the second locking mechanism comprises a second locking plate fixedly connected with the right side face of the second sleeve, a second annular through hole, a second screw rod, a third locking nut and a fourth locking nut, the second locking plate is located on the second locking plate and located on the left side of the second locking plate, the second annular through hole penetrates through the second screw rod, the third locking nut is sleeved on the second screw rod and located on the right side of the second locking plate, the right end of the second screw rod is fixedly connected with the left side face of the second handle, and the second screw rod moves in the second annular through hole.
6. The device for ensuring the thickness of the protective layer of the steel bar at the bottom of the beam according to claim 3, wherein: the first in command includes the first body of rod that just is in the horizontal direction with the left end face fixed connection of dwang, just is in the second body of rod of vertical direction with the left end face fixed connection of the first body of rod, just is in the third body of rod of horizontal direction with the top fixed connection of the second body of rod, the left end of first screw rod and the right flank fixed connection of the second body of rod.
7. The device for ensuring the thickness of the protective layer of the steel bar at the bottom of the beam according to claim 5, wherein: the second handle includes the fourth body of rod that just is in the horizontal direction with the right-hand member face fixed connection of dwang, just is in the fifth body of rod of vertical direction with the right-hand member face fixed connection of the fourth body of rod, just is in the sixth body of rod of horizontal direction with the top fixed connection of the fifth body of rod, the right-hand member of second screw rod and the left surface fixed connection of the fifth body of rod.
8. The device for ensuring the thickness of the protective layer of the steel bar at the bottom of the beam according to claim 1, wherein: the hanging mechanism comprises a steel wire rope wound on the rotating rod and a hook fixedly connected with the end part of the steel wire rope, and the number of the hanging mechanisms is at least two.
9. The device for ensuring the thickness of the protective layer of the steel bar at the bottom of the beam according to claim 1, wherein: the fixing mechanism comprises supporting legs, a placing block fixedly connected with the tops of the supporting legs, and a placing groove which is located on the upper surface of the placing block and has an upward opening, wherein the left side surface and the right side surface of the placing groove are communicated with the left side surface and the right side surface of the placing block respectively.
10. The apparatus for ensuring the thickness of the reinforcing steel bar protection layer at the bottom of the beam according to claim 9, wherein: the landing leg includes first cylinder, the cover is established and is followed the second cylinder that first cylinder length direction removed in the first cylinder, is equipped with the internal thread on the first cylinder, is equipped with the external screw thread on the second cylinder, is equipped with the scale interval on the second cylinder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020261061.4U CN211850382U (en) | 2020-03-05 | 2020-03-05 | Device for ensuring thickness of beam bottom steel bar protective layer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020261061.4U CN211850382U (en) | 2020-03-05 | 2020-03-05 | Device for ensuring thickness of beam bottom steel bar protective layer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211850382U true CN211850382U (en) | 2020-11-03 |
Family
ID=73239119
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020261061.4U Expired - Fee Related CN211850382U (en) | 2020-03-05 | 2020-03-05 | Device for ensuring thickness of beam bottom steel bar protective layer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211850382U (en) |
-
2020
- 2020-03-05 CN CN202020261061.4U patent/CN211850382U/en not_active Expired - Fee Related
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| Date | Code | Title | Description |
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| 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: 20201103 |