CN110748091A - Protective layer thickness control device - Google Patents
Protective layer thickness control device Download PDFInfo
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- CN110748091A CN110748091A CN201911058626.7A CN201911058626A CN110748091A CN 110748091 A CN110748091 A CN 110748091A CN 201911058626 A CN201911058626 A CN 201911058626A CN 110748091 A CN110748091 A CN 110748091A
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- protective layer
- layer thickness
- connecting rod
- thickness control
- precast beam
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
- E04C5/00—Reinforcing elements, e.g. for concrete; Auxiliary elements therefor
- E04C5/16—Auxiliary parts for reinforcements, e.g. connectors, spacers, stirrups
- E04C5/168—Spacers connecting parts for reinforcements and spacing the reinforcements from the form
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
- E04C5/00—Reinforcing elements, e.g. for concrete; Auxiliary elements therefor
- E04C5/16—Auxiliary parts for reinforcements, e.g. connectors, spacers, stirrups
- E04C5/18—Spacers of metal or substantially of metal
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Rod-Shaped Construction Members (AREA)
Abstract
The invention provides a protective layer thickness control device, which relates to the technical field of building construction and comprises the following components: two limiting parts and a plurality of groups of adjusting components; the two limiting pieces extend along the length direction of the precast beam, one of the two limiting pieces is used for being in contact with the outer edge of one group of vertical main ribs in the precast beam, and the other of the two limiting pieces is used for being in contact with the outer edge of the other group of vertical main ribs; the plurality of groups of adjusting assemblies are arranged at intervals along the length direction of the precast beam, each group of adjusting assemblies is connected with two limiting pieces, and a preset distance is formed between the two limiting pieces; the two limiting parts are used for respectively abutting against the outer sides of the two groups of vertical main ribs, so that the distance between the two groups of vertical main ribs is within a preset size range. The protective layer thickness control device provided by the invention is used for assisting workers to bind the steel reinforcement framework, so that the actual size of the steel reinforcement framework is within the preset size range, and the thickness of the protective layer of the precast beam further meets the requirement.
Description
Technical Field
The embodiment of the invention relates to the technical field of building construction, in particular to a protective layer thickness control device.
Background
The thickness of the protective layer refers to the distance between the outer edge of the outermost reinforcing steel bar and the outer surface of the concrete member. The concrete protective layer is thick, and the stressed steel bar of the concrete member has better bonding anchoring performance, durability and fireproof performance. However, the excessive thickness of the protective layer can cause the width of a crack generated after the concrete member is stressed to be too large, and the service performance of the concrete member is affected. Therefore, in the manufacture of concrete precast members, it is necessary to make the thickness of the protective layer within a predetermined size range.
Taking the manufacturing of a T-shaped beam web as an example, a steel reinforcement framework needs to be bound firstly, a plurality of first transverse main reinforcements and first vertical main reinforcements, and a plurality of second transverse main reinforcements and second vertical main reinforcements are inserted into a worker according to a preset space size, and then the first transverse main reinforcements and the first vertical main reinforcements, and the second transverse main reinforcements and the second vertical main reinforcements are bound respectively to form a first steel reinforcement net sheet and a second steel reinforcement net sheet respectively; when the horizontal main reinforcement and the vertical main reinforcement are bound, a worker can connect the two reinforcing mesh pieces by using the stirrups so as to determine the distance between the two reinforcing mesh pieces. And after the reinforcement cage is bound, installing a pouring template outside the reinforcement cage, and pouring concrete in the template. The thickness of the protective layer of the T-shaped beam web plate is the distance between the outer edge of the outermost steel bar and the template.
The thickness of the T-shaped beam web is gradually changed in the length direction, so that the distance between the first reinforcing mesh and the second reinforcing mesh is not within a preset size range easily when workers bind the reinforcing steel framework, and the condition that the thickness of the protective layer of the T-shaped beam web is not qualified is easily caused.
Disclosure of Invention
In view of the above problems, embodiments of the present invention provide a device for controlling a thickness of a protective layer, which can effectively control an actual size of a steel reinforcement framework to be within a preset size range, and further enable a thickness of the protective layer of a precast beam to meet a requirement.
In order to achieve the above object, the embodiments of the present invention provide the following technical solutions:
the embodiment of the invention provides a protective layer thickness control device which is applied to pouring of a precast beam, wherein the precast beam comprises two groups of vertical main reinforcements, and the two groups of vertical main reinforcements are respectively positioned on two sides of the precast beam; the device comprises: two limiting parts and a plurality of groups of adjusting components; the device comprises: two limiting parts and a plurality of groups of adjusting components; the two limiting pieces extend along the length direction of the precast beam, one of the two limiting pieces is used for being in contact with the outer edge of one group of the vertical main ribs in the precast beam, and the other of the two limiting pieces is used for being in contact with the outer edge of the other group of the vertical main ribs; the plurality of groups of adjusting assemblies are arranged at intervals along the length direction of the precast beam, each group of adjusting assemblies is connected with two limiting pieces, and a preset distance is formed between the two limiting pieces; the two locating parts are used for respectively abutting against the outer sides of the two groups of vertical main ribs, so that the distance between the two groups of vertical main ribs is within a preset size range.
The protective layer thickness control apparatus as described above, wherein the adjustment assembly includes: the connecting rod, two the locating part is connected to respectively two tip of connecting rod, two at least one in the locating part with the connecting rod can dismantle the connection.
The protective layer thickness control device as described above, wherein the adjusting assembly further comprises at least one connecting member detachably provided at an end of the connecting rod.
The protective layer thickness control device as described above, wherein both of the two connecting members are detachably connected to the connecting rod; the two connecting pieces are used for connecting the two limiting pieces to the connecting rod respectively, wherein the distance between the two connecting pieces is within a preset size range.
The protective layer thickness control apparatus as described above, wherein the connecting member and the end of the connecting rod are connected by a screw.
The protective layer thickness control device as described above, wherein the end of the connecting rod has an external thread, and the connecting member has an internal thread screwed with the external thread; two including first locating part in the locating part, first locating part has the confession the hole of dodging that the connecting rod passed, just the connecting piece with the inner wall butt of first locating part.
The protective layer thickness control apparatus as described above, wherein the protective layer thickness control apparatus further comprises: a positioning member having a through hole; the setting element passes through the through-hole cover is established the tip of connecting rod, just the external diameter of setting element is greater than dodge the internal diameter in hole, the connecting piece can with first locating part supports to be established setting element department.
The device for controlling thickness of a protective layer as described above, wherein the two limiting members include a second limiting member, and the second limiting member is welded and fixed to the end of the connecting rod.
The protective layer thickness control device is characterized in that the number of the protective layer thickness control devices is at least two, and at least two protective layer thickness control devices are connected end to end along the length direction of the precast beam.
The protective layer thickness control device as described above, wherein the precast beam includes a horseshoe portion and a web portion provided on an upper side of the horseshoe portion; the protective layer thickness control device is used for pouring the web part.
Compared with the prior art, the protective layer thickness control device provided by the embodiment of the invention has the following advantages: the device comprises two limiting parts and a plurality of groups of adjusting components; the plurality of groups of adjusting assemblies are arranged at intervals along the length direction of the precast beam, and each limiting piece is respectively contacted with the outer edges of the two groups of vertical main ribs, wherein two ends of each adjusting assembly are used for connecting two limiting pieces, so that the distance between the two limiting pieces at the position of each adjusting assembly is within a preset size range; the staff can further ligature horizontal main reinforcement and stirrup etc. dismantle protective layer thickness control device after the ligature is accomplished. Understandably, in the process of binding the steel reinforcement framework, the steel reinforcement framework is always in the preset size range along the length direction of the prefabricated beam, and the thickness of the protective layer is further in the preset size range.
In addition to the technical problems solved by the embodiments of the present invention, the technical features constituting the technical solutions, and the advantages brought by the technical features of the technical solutions described above, other technical problems solved by the protective layer thickness control apparatus provided by the embodiments of the present invention, other technical features included in the technical solutions, and advantages brought by the technical features will be further described in detail in the detailed description.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and those skilled in the art can also obtain other drawings according to the drawings without creative efforts.
FIG. 1 is a first schematic structural diagram of a protective layer thickness control device and a precast beam;
FIG. 2 is a partial schematic view of FIG. 1;
FIG. 3 is a schematic structural diagram of a protective layer thickness control device and a precast beam;
fig. 4 is a schematic structural diagram of a device for controlling a thickness of a protection layer according to an embodiment of the present invention;
fig. 5 is a cross-sectional view of fig. 4.
Reference numerals:
10: a limiting member;
11: a first limit piece;
12: a second limiting member;
20: an adjustment assembly;
21: a connecting rod;
22: a connecting member;
23: a positioning member;
30: prefabricating a beam;
31: a horseshoe part;
32: a web portion;
33: a flap portion;
41: a transverse main rib;
42: a vertical main rib;
43: and (5) hooping.
Detailed Description
In order to make the aforementioned objects, features and advantages of the embodiments of the present invention more comprehensible, embodiments of the present invention are described in detail below with reference to the accompanying drawings. It is to be understood that the described embodiments are merely a few embodiments of the invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Precast beam includes horse's hoof portion, web portion and pterygoid lamina portion, and horse's hoof portion and ground contact, the top surface of web portion are the working face, and web portion is used for connecting horse's hoof portion and pterygoid lamina portion, and wherein, the thickness of web portion is the gradual change along its length direction. The distance between the corresponding steel reinforcement frameworks is gradually changed along the length direction of the steel reinforcement frameworks, so that the thickness of the protective layer can be ensured to be within a preset size range. However, when the staff was at ligature framework of steel reinforcement, it is not in predetermineeing size range to take place framework of steel reinforcement's interval easily, and then leads to T roof beam web's protective layer thickness unsatisfactory, reduces precast beam's performance.
In order to solve the above problems, fig. 1 is a schematic structural diagram of a protective layer thickness control device and a precast beam, fig. 2 is a partial schematic structural diagram of fig. 1, fig. 3 is a schematic structural diagram of a protective layer thickness control device and a precast beam, please refer to fig. 1 to 3, an embodiment of the present invention provides a protective layer thickness control device, which is applied to casting a precast beam 30, where the precast beam 30 includes two sets of vertical main ribs 42, and the two sets of vertical main ribs 42 are respectively located at two sides of the precast beam 30; the protective layer thickness control device includes: two limiting pieces 10 and a plurality of groups of adjusting components 20; the two limiting pieces 10 extend along the length direction of the precast beam 30, one of the two limiting pieces 10 is used for contacting with the outer edge of one set of vertical main ribs 42 in the precast beam 30, and the other of the two limiting pieces 10 is used for contacting with the outer edge of the other set of vertical main ribs 42; a plurality of groups of adjusting assemblies 20 are arranged at intervals along the length direction of the precast beam 30, each group of adjusting assemblies 20 is connected with two limiting members 10, and a preset distance is formed between the two limiting members 10; the two limiting members 10 are respectively abutted to the outer sides of the two groups of vertical main ribs 42, so that the distance between the two groups of vertical main ribs 42 is within a preset size range.
Specifically, protective layer thickness control device is applied to and pours precast beam 30, and further, be applied to ligature framework of steel reinforcement, supplementary staff confirms framework of steel reinforcement's interval size. The steel reinforcement framework comprises two groups of vertical main reinforcements 42, two groups of transverse main reinforcements 41, stirrups 43 and the like, wherein the stirrups 43 are used for connecting the two groups of vertical main reinforcements 42 and the two groups of transverse main reinforcements 41.
When the reinforcing steel bar framework is bound, a worker can firstly bind the reinforcing steel bar framework corresponding to the horseshoe part 31, wherein the reinforcing steel bar framework comprises a transverse main rib 41, a vertical main rib 42, a stirrup 43 and the like; when the reinforcement cage corresponding to the web portion 32 is bound, the worker can first prepare two sets of the vertical main reinforcements 42, and insert and fix the two sets of the vertical main reinforcements 42 in the reinforcement clamping grooves or other clamping members respectively. Due to the large length of the vertical main ribs 42, each vertical main rib 42 can be in a freely inclined state, for example, inclined to the outside or inclined to the inside.
The protective layer thickness control device comprises two limiting pieces 10 and a plurality of groups of adjusting assemblies 20, wherein the two limiting pieces 10 can be respectively positioned at the outer sides of the two groups of vertical main ribs 42 and are connected through the plurality of groups of adjusting assemblies 20; and a plurality of sets of the adjusting assemblies 20 are arranged at intervals along the length direction of the precast girders 30. After the two groups of vertical main ribs 42 are fixed by the worker through the insertion, the two limiting parts 10 can be connected through the plurality of groups of adjusting components 20, so that the two limiting parts 10 are respectively contacted with the outer edges of the two groups of vertical main ribs 42. The distance between the two corresponding limiting members 10 at each group of adjusting assemblies 20 is a preset size, so that the distance between two groups of vertical main ribs 42 at any position along the length direction of the precast beam 30 is within a preset size range.
Further, the locating part 10 can be the elastic component that has certain intensity, can form limiting displacement to two sets of vertical main muscle 42, simultaneously, can also take place deformation according to the change of predetermineeing the size, and the locating part 10 can be strip steel plate or C shaped steel etc. to C shaped steel is for example, and C shaped steel can include bottom plate and two flange boards, and wherein the bottom plate can be used for contacting with vertical main muscle 42. The adjusting assembly 20 can include the connecting rod, and two locating parts 10 can welded fastening at the both ends of connecting rod, and wherein, the connecting rod can be scaling-off pole or telescopic link, and after two sets of vertical main muscle 42 were accomplished in the ligature, the staff can be drawn together two sets of vertical main muscle 42 to the framework of steel reinforcement inboard, then establish the outside at two sets of vertical main muscle 42 with protective layer thickness control device cover, make each vertical main muscle 42 all be located between two locating parts 10.
It will be appreciated that the protector thickness control means may be located in the middle of the vertical main ribs 42. In order to prevent the protective layer thickness control device from dropping, the outer sides of the two sets of vertical main ribs 42 may be provided with a supporting member, and the two limiting members 10 are supported on the top of the supporting member. The support may be a support frame or a diagonal support bar or the like.
When the connecting rod is for the scaling-off pole, the staff can directly relieve two sets of vertical main muscle 42, and at this moment, partial vertical main muscle 42 can incline to the outside and support on two locating parts 10, and the staff can be in order to carry out horizontal main muscle 41 of ligature and stirrup 43, as long as make the outer fringe of horizontal main muscle 41 of ligature and stirrup 43 all with the locating part 10 butt that corresponds the side can.
When the connecting rod is a telescopic rod, the worker can correspondingly adjust the size of each adjusting rod according to the preset size before releasing the vertical main rib 42. The connecting rod can comprise two inserted sub-connecting rods and a bolt for fixing the two sub-connecting rods; the tip of two sub-connecting rods and the locating part 10 welded fastening that corresponds, and all be equipped with a plurality of bolt holes along self length direction interval on every sub-connecting rod, realize the regulation of connecting rod length.
When the transverse main ribs 41 and the stirrups 43 are bound, the transverse main ribs 41 and the stirrups 43 can be located at the inner edges of the vertical main ribs 42 and also at the outer edges of the vertical main ribs 42, and the corresponding relation between the preset distance between the two limiting parts 10 and the preset size of the thickness of the protective layer is used as the standard.
Therefore, the protective layer thickness control device is applied to binding the steel reinforcement framework. When a worker binds the reinforcement cage of the precast beam 30, the transverse main reinforcement 41, the vertical main reinforcement 42, the stirrup 43 and the like corresponding to the horseshoe 31 can be bound firstly; after the steel reinforcement framework that horseshoe part 31 corresponds is accomplished, correspond two sets of vertical main muscle 42 that the fixed web portion 32 of cartridge corresponds, then use protective layer thickness controlling means to when horizontal main muscle 41 and the stirrup 43 that ligature web portion 32 corresponds, with the equal butt of each vertical main muscle 42 on the locating part 10 that corresponds the side, make the interval of the steel reinforcement framework both sides of optional position department all be in predetermineeing the size range. After the transverse main reinforcements 41 and the stirrups 43 corresponding to the web parts 32 are bound or the reinforcement cage of the precast beam 30 is bound, the protective layer thickness control device can be detached, for example, each connecting rod can be cut off. After the reinforcement cage of the precast beam 30 is completed, a pouring template can be installed and concrete can be poured.
When the steel reinforcement framework of prefabricated beam 30 is banded, especially to the web portion 32 of thickness gradual change, the protection layer thickness controlling means that this embodiment provided can effectively assist the staff to confirm steel reinforcement framework's actual interval size, makes it be in the size range of predetermineeing, further makes prefabricated beam 30 especially its web portion 32's protection layer thickness be in the size range of predetermineeing.
After the reinforcement cage corresponding to the web portion 32 is bound, to facilitate the detachment of the protective layer thickness control device, fig. 4 is a schematic structural view of the protective layer thickness control device according to an embodiment of the present invention, fig. 5 is a cross-sectional view of fig. 4, and referring to fig. 4 and fig. 5, the adjusting assembly 20 includes: the connecting rod 21, two locating parts 10 are connected to two tip of connecting rod 21 respectively, and at least one in two locating parts 10 can dismantle with connecting rod 21 and be connected.
Specifically, one of the two limiting members 10 may be detachably connected to the connecting rod 21, that is, one of the two limiting members 10 may be connected to one end of any one of the connecting members 22 to form a comb shape, and after the worker completes the insertion and fixation of the two sets of vertical main ribs 42, the worker may insert a plurality of sets of connecting rods 21 into the two sets of vertical main ribs 42, so that the limiting member 10 fixedly connected to the connecting rod 21 contacts with the outer edge of one set of vertical main ribs 42 and is supported by the supporting member at the middle portion of the vertical main ribs 42, and at this time, the free ends of the plurality of connecting rods 21 extend out of the other set of vertical main ribs 42; then, another limiting member 10 is connected to the free ends of the connecting rods 21.
Wherein, the free end of connecting rod 21 can with locating part 10 joint, exemplarily, the free end of connecting rod 21 can be fixed with the joint piece that a plurality of intervals set up, every joint piece all can set up according to the size of predetermineeing with the interval of fixed locating part 10, and is corresponding, and the joint groove has been seted up to the edge of another detachable locating part 10, and the size in joint groove is greater than the size of connecting rod 21, is less than the size of joint piece. When the limiting part 10 is connected to the free end of the connecting rod 21, the side face of any clamping block close to the other end of the connecting rod 21 can be abutted against the outer side face of the limiting part 10.
Further, after the transverse main reinforcement 41 and the stirrup 43 corresponding to the web portion 32 are bound and finished or the reinforcement cage of the precast beam 30 is bound and finished, the protective layer thickness control device can be detached through the detachable connection between the connecting rod 21 and the limiting part 10, so that destructive detachment is avoided, and the operation is convenient.
Optionally, the adjusting assembly 20 may further include at least one connecting member 22, and the connecting member 22 is detachably disposed at an end of the connecting rod 21.
Wherein, the tip of connecting rod 21 can set up a plurality of joint hole along its length direction, is equipped with the spliced eye that supplies connecting rod 21 to pass on the locating part 10, and connecting piece 22 can be the locking round pin of pegging graft in the through-hole, and the locking round pin can the butt on the lateral surface of locating part 10, pegs graft on different connecting holes through the locking round pin, realizes the regulation of two locating parts 10 intervals, convenient regulation.
Further, both the two connecting pieces 22 can be detachably connected with the connecting rod 21; the two connecting members 22 respectively connect the two position-limiting members 10 to the connecting rod 21, wherein the distance between the two connecting members 22 is within a preset size range. That is to say that both ends of connecting rod 21 all can set up the joint hole at the interval, and peg graft a locking round pin respectively at the both ends of connecting rod 21, wherein, all set up a plurality of spliced eyes that supply connecting rod 21 to pass along self length direction interval on every locating part 10. When the reinforcement cage is bound, a worker can firstly connect one of the limiting parts 10 and the connecting rod 21, and can also connect one of the limiting parts 10 and the connecting rod 21 after fixing two groups of vertical main bars 42 in an inserting manner, and the embodiment does not limit the reinforcement cage.
Connecting rod 21 both ends all can be dismantled with locating part 10 and be connected, and the staff can dismantle protective layer thickness control device for locating part 10 and connecting rod 21's monomer state, is convenient for transport and store.
Alternatively, the connecting member 22 may be detachably connected to the connecting rod 21 by a screw connection, and specifically, the connecting member 22 and the end of the connecting rod 21 are connected by a screw. The threaded connection enables the distance between the two limiting members 10 to be adjusted more precisely.
Specifically, an internal thread hole along its own length direction may be formed on the end face of the connecting rod 21, a threaded rod having an external thread is connected to the limiting member 10, the threaded rod is screwed with the internal thread hole, and the threaded rod is also screwed with the limiting member 10, so that the distance between the two limiting members 10 is adjusted. Alternatively, the end of the connecting rod 21 may have an external thread, and the connecting member 22 has an internal thread screwed with the external thread; the two limiting members 10 include a first limiting member 11, the first limiting member 11 has an avoiding hole for the connecting rod 21 to pass through, and the connecting rod 22 abuts against an inner wall of the first limiting member 11. Wherein, the connecting piece 22 can be a nut and is connected with the external thread at the end of the connecting rod 21, the cost is low and the obtaining is easy.
When connecting piece 22 is connected with connecting rod 21 through threaded connection mode, connecting piece 22 has relative connecting rod 21 to rotate, results in the interval between two locating parts 10 to change, and protective layer thickness is unsatisfactory hidden danger, consequently, protective layer thickness controlling means can also include: a positioning member 23 having a through hole; the positioning element 23 is sleeved at the end of the connecting rod 21 through the through hole, the outer diameter of the positioning element 23 is larger than the inner diameter of the avoiding hole, and the connecting element 22 can abut the first limiting element 11 at the positioning element 23.
Specifically, the positioning member 23 may be fixedly connected to the connecting rod 21, for example, fixed to the connecting rod 21 by welding; the positioning piece 23 can also be fixed on the connecting rod 21 in a threaded connection mode or a plug pin mode, so that the position of the positioning piece 23 can be conveniently adjusted, the connecting rod 21 matched with the positioning piece 23 can be suitable for precast beams 30 of any size and model, and the universality is high.
In the use process, the staff can screw the limiting piece 10 on the positioning piece 23 through the connecting piece 22, so that the connecting piece 22 is prevented from rotating, and the control precision of the thickness of the protective layer is improved.
As mentioned above, when the first limiting member 11 is detachably connected to the end of the connecting rod 21, another limiting member may be detachably connected to another end of the connecting rod 21, optionally, the two limiting members 10 include the second limiting member 12, and the second limiting member 12 may be further welded to the end of the connecting rod 21. The second locating part 12 is welded and fixed with the end of the connecting rod 21, so that the second locating part 12 and the connecting rod 21 are prevented from being frequently disassembled and assembled by workers, and the labor intensity of the workers is low.
It is understood that the length of the precast beam 30 may vary according to a preset size, for example, 25m, 40m, etc., and in order to provide the protection layer thickness control device according to the length of the precast beam 30, the limiting member 10 may be of a split type, for example, the limiting member 10 may have a standard length, 10m or 20m, etc., and the protection layer thickness control device may be formed by connecting a plurality of limiting members 10 end to end, and the number of the limiting members 10 may be determined according to the length of the limiting member 10 and the length of the precast beam 30.
Optionally, the number of the protective layer thickness control devices can also be at least two, and at least two protective layer thickness control devices are connected end to end along the length direction of the precast beam. At this time, the limiting member 10 may be an integral type, for example, the length of the limiting member 10 may be 25m, 40m, etc., which is equal to the length of the precast beam. For convenience of operation, when the precast girders 30 have a length of 40m, two stoppers 10 40m long may be used.
The precast beam 30 may include a horseshoe portion 31 and a web portion 32, the web portion 32 being disposed on an upper side of the horseshoe portion 31; the protective layer thickness control device is used for casting the web portion 32.
The precast beam 30 includes a horseshoe portion 31, a web portion 32 and a wing portion 33, wherein the horseshoe portion 31 is used for connecting with the ground, is located at the lower end of the web portion 32, and plays a role in supporting and fixing, and the cross-sectional thickness of the horseshoe portion 31 is generally larger than that of the web portion 32. The flap 33 is located at the upper end of the web 32, and the top surface of the flap 33 is a working surface for driving or supporting. The web portion 32 is used to connect the horse shoe portion 31 and the wing portion 33, and has a smaller cross-sectional thickness than the horse shoe portion 31 and the wing portion 33, and a cross-sectional thickness that may also vary along the length direction of the precast beam 30.
When the section thickness of the web portion 32 changes, the distance between the two sides of the steel reinforcement framework corresponding to the web portion 32 changes simultaneously, so that in order to effectively control the distance between the two sides of the steel reinforcement framework, the embodiment assists to determine the distance between the steel reinforcement frameworks through the protective layer thickness control device, wherein the operation procedure of binding the steel reinforcement frameworks by using the protective layer thickness control device is described in the above embodiment, and is not described in the embodiment.
The embodiments or implementation modes in the present specification are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments may be referred to each other.
In the description of the present specification, reference to the description of the terms "one embodiment", "some embodiments", "an illustrative embodiment", "an example", "a specific example", or "some examples", etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present invention. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the invention has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.
Claims (10)
1. The device for controlling the thickness of the protective layer is applied to pouring of a precast beam, the precast beam comprises two groups of vertical main ribs, and the two groups of vertical main ribs are respectively positioned on two sides of the precast beam; the device comprises: two limiting parts and a plurality of groups of adjusting components;
the two limiting pieces extend along the length direction of the precast beam, one of the two limiting pieces is used for being in contact with the outer edge of one group of the vertical main ribs in the precast beam, and the other of the two limiting pieces is used for being in contact with the outer edge of the other group of the vertical main ribs;
the plurality of groups of adjusting assemblies are arranged at intervals along the length direction of the precast beam, each group of adjusting assemblies is connected with two limiting pieces, and a preset distance is formed between the two limiting pieces; the two locating parts are used for respectively abutting against the outer sides of the two groups of vertical main ribs, so that the distance between the two groups of vertical main ribs is within a preset size range.
2. The protective layer thickness control apparatus of claim 1, wherein the adjustment assembly comprises: the connecting rod, two the locating part is connected to respectively two tip of connecting rod, two at least one in the locating part with the connecting rod can dismantle the connection.
3. The apparatus of claim 2, wherein the adjustment assembly further comprises at least one connector removably disposed at an end of the connecting rod.
4. The apparatus for controlling thickness of a protective layer according to claim 3, wherein both of the connecting members are detachably connected to the connecting bar;
the two connecting pieces are used for connecting the two limiting pieces to the connecting rod respectively, wherein the distance between the two connecting pieces is within a preset size range.
5. The protective layer thickness control device according to claim 3, wherein the connecting member and the end of the connecting rod are connected by a screw thread.
6. The protective layer thickness control device according to claim 4, wherein the end of the tie bar has an external thread, and the connecting member has an internal thread screwed with the external thread;
two including first locating part in the locating part, first locating part has the confession the hole of dodging that the connecting rod passed, just the connecting piece with the inner wall butt of first locating part.
7. The protective layer thickness control apparatus according to claim 6, further comprising: a positioning member having a through hole;
the setting element passes through the through-hole cover is established the tip of connecting rod, just the external diameter of setting element is greater than dodge the internal diameter in hole, the connecting piece can with first locating part supports to be established setting element department.
8. The apparatus according to claim 6, wherein a second one of the two stoppers is welded to an end of the connecting rod.
9. A protective layer thickness control device according to any one of claims 1 to 8, wherein the number of protective layer thickness control devices is at least two, at least two of the protective layer thickness control devices being connected end to end along the length of the precast beam.
10. The protective layer thickness control device according to any one of claims 1 to 8, wherein the precast beam includes a horseshoe portion and a web portion, the web portion being provided on an upper side of the horseshoe portion;
the protective layer thickness control device of any one of claims 1-8 used to cast the web portion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911058626.7A CN110748091A (en) | 2019-11-01 | 2019-11-01 | Protective layer thickness control device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911058626.7A CN110748091A (en) | 2019-11-01 | 2019-11-01 | Protective layer thickness control device |
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| CN110748091A true CN110748091A (en) | 2020-02-04 |
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| CN201911058626.7A Pending CN110748091A (en) | 2019-11-01 | 2019-11-01 | Protective layer thickness control device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114837355A (en) * | 2022-05-17 | 2022-08-02 | 中国建筑第八工程局有限公司 | Double-row beam main rib spacing control device and control method |
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| CN114837355A (en) * | 2022-05-17 | 2022-08-02 | 中国建筑第八工程局有限公司 | Double-row beam main rib spacing control device and control method |
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