CN222835405U - Precast beam field template guardrail - Google Patents
Precast beam field template guardrail Download PDFInfo
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- CN222835405U CN222835405U CN202421375676.4U CN202421375676U CN222835405U CN 222835405 U CN222835405 U CN 222835405U CN 202421375676 U CN202421375676 U CN 202421375676U CN 222835405 U CN222835405 U CN 222835405U
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Abstract
The utility model discloses a prefabricated beam field template guardrail which comprises a first guardrail, wherein the first guardrail is arranged along the blank side of a template, the first guardrail comprises a first lower guardrail, a first supporting leg is arranged at the bottom of the first lower guardrail, a first upper guardrail is arranged on one side, far away from the first supporting leg, of the first lower guardrail, the first upper guardrail is pivotally connected with the first lower guardrail through a hinge, the prefabricated beam field template guardrail further comprises a vertical bolt, the vertical bolt is arranged at the joint of the first upper guardrail and the first lower guardrail, the prefabricated beam field template guardrail further comprises a first sleeve, the first sleeve is fixed on a template, and the first sleeve can accommodate the first supporting leg. When the prefabricated beam field template is constructed, the first sleeve is only required to be fixed on the template, then the first supporting leg of the first guardrail is inserted into the first sleeve, so that the connection between the guardrail and the template can be realized, and when the prefabricated beam field template is disassembled, the whole first guardrail is only required to be taken out from the first sleeve, so that the prefabricated beam field template is simple and convenient to disassemble.
Description
Technical Field
The utility model relates to the technical field of bridge construction safety, in particular to a prefabricated beam field template guardrail.
Background
In modern highway bridge construction, the upper portion of bridge adopts the precast beam more, and the precast beam is processed in the precast beam field more and forms. And building a template in a precast beam field, pouring concrete into the template, and forming to obtain the precast beam.
In the template construction in precast beam field, need the staff to carry out construction operation, because the size of precast beam is great, when carrying out construction operation, often there are a lot of dangers and hidden danger, if the eminence falls, consequently, in order to ensure the safety of on-the-spot constructor, according to construction high operation safety technical specification, when falling altitude reference surface 2m and more and facing the limit operation, should set up the protection railing in face empty one side, current protection railing is enclosed to establish through the steel pipe that vertically and horizontally staggered set up and is fixed around the template, realize fixedly through welding or bolted connection's mode between steel pipe and the steel pipe, earlier installation and later stage demolish comparatively troublesome.
Disclosure of utility model
Accordingly, in order to address the above-mentioned shortcomings, the present utility model provides a precast beam field template fence comprising a first fence disposed along a blank side of the template, the first fence being removably mounted on the template as a whole, the first fence comprising
A first lower guardrail with a first leg arranged at the bottom and
The first upper guardrail is arranged on one side, far away from the first supporting leg, of the first lower guardrail and is in pivot connection with the first lower guardrail through a hinge;
The first upper guardrail can turn around the pivot shaft of the hinge so as to enable the first guardrail to be in a folded state or an unfolded state;
the prefabricated beam field template guardrail further comprises a vertical bolt, wherein the vertical bolt is arranged at the joint of the first upper guardrail and the first lower guardrail, and the first guardrail is kept in an unfolded state through the vertical bolt;
The precast beam field template guardrail further comprises a first sleeve fixed on the template, wherein the first sleeve can accommodate the first supporting leg.
According to the utility model, the first guardrail is prefabricated and formed in advance, when the prefabricated beam field template is constructed, the first sleeve is fixed on the template, the first supporting leg of the first guardrail is inserted into the first sleeve to realize connection of the guardrail and the template, the first upper guardrail is turned upwards, the first guardrail is unfolded, the bolt rod of the vertical bolt is slid into the sub-base to enable the first guardrail to be kept in an unfolded state, and therefore, the guardrail can be installed.
Further, the precast beam field template guard rail further comprises a second guard rail, the second guard rail is arranged between at least one pair of adjacent first guard rails, and the second guard rail can horizontally turn around one side of the second guard rail;
The second guardrail comprises
A second lower guard rail, and
The second upper guardrail is arranged on one side of the second lower guardrail and is in pivot connection with the second lower guardrail through a hinge;
The second upper guardrail can turn around the pivot shaft of the hinge so as to enable the second guardrail to be in a folded state or an unfolded state;
The prefabricated beam field template guardrail further comprises a vertical bolt, the vertical bolt is arranged at the joint of the second upper guardrail and the second lower guardrail, and the second guardrail is kept in an unfolded state through the vertical bolt.
The protection of the empty side of template concatenation department and hoisting position has been realized through this second guardrail, and when the template was separated simultaneously, need not to demolish whole guardrail, only need with the second guardrail upset fold to first guardrail department can, easy operation, convenience.
Further, a second supporting leg is arranged on one side, far away from the second upper guardrail, of the second lower guardrail;
the second support leg is arranged on the side, close to one group of the first guardrails, of the second lower guardrails;
The prefabricated beam field template guardrail further comprises a second sleeve, the second sleeve is fixed on the template corresponding to the second supporting leg, the second supporting leg can be inserted into the second sleeve, and the second supporting leg can rotate in the second sleeve relatively.
The second sleeve is fixed at the splicing position and the hoisting position of the template, the second supporting leg of the second guardrail is inserted into the second sleeve, so that the connection of the second guardrail and the template can be realized, the second guardrail can be unfolded according to the unfolding mode of the first guardrail, the installation can be realized, and the disassembly and the assembly are simple and convenient by referring to the disassembly mode of the first guardrail during disassembly.
Further, the second guard rail is connected with one group of the first guard rails through a detachable hinge;
the detachable hinge comprises
The connecting sleeve comprises a second installation part and a sleeve, wherein the second installation part is fixedly installed on the first guardrail or the second guardrail, the sleeve is arranged on one side of the second installation part, and a jack is arranged in the sleeve;
The connecting bolt comprises a first installation part and a bolt, wherein the first installation part is fixedly installed on the first guardrail or the second guardrail, the bolt is arranged on one side of the first installation part, and one end of the bolt is provided with a pin shaft which can be matched with the jack.
When the second guardrail is installed, the second guardrail is unfolded and fixed firstly, one side provided with the connecting bolt is placed corresponding to the connecting sleeve, the bolt rod is inserted corresponding to the sleeve, and the installation of the second guardrail can be completed, and the assembly and the disassembly are simple and convenient.
Further, the end part of the pin shaft is provided with a frustum, the diameter of one end of the frustum, which is connected with the pin shaft, is larger than that of the other end of the frustum, and the diameter of one end, which is connected with the pin shaft, of the frustum is larger than that of the pin shaft;
The connecting bolt further comprises a movable groove which radially penetrates through the frustum and the pin shaft, and the pin shaft and the frustum have elasticity;
one end of the jack is provided with a fixing hole matched with the frustum.
Further, the connecting bolt further comprises a movable cap, the movable cap is arranged at one end, close to the fixed hole, of the connecting sleeve corresponding to the insertion hole, the movable cap can linearly move along the axis direction of the insertion hole, a frustum hole is formed in the movable cap, and the frustum is divided by the movable groove and is mutually close in the process of wrapping the frustum by the frustum hole.
Inserting the bolt pole in the jack, the jack inner wall can be right the frustum both sides form the extrusion to make the frustum crooked to the movable inslot, until the frustum is followed after the jack axis moves to the fixed orifices completely, because the fixed orifices diameter is greater than the jack, the frustum can outwards reply the motion, thereby make the joint of connecting the bolt in the adapter sleeve, realize fixing, and then avoid the second guardrail to deviate from, cause the potential safety hazard, during the dismantlement, only need press down movable cap with force, movable cap moves to the frustum direction, so that the frustum hole parcel frustum, at the in-process of wrapping up completely, the inner wall in frustum hole can extrude the frustum, so that the frustum is crooked to the movable inslot, until the frustum, after crooked in place, the frustum can take out in the adapter sleeve with the round pin hub junction, thereby be convenient for dismantle the connecting bolt.
Further, the second guard rail is held stationary by a transverse pin with the first guard rail disposed on a side opposite the rotatable side of the second guard rail.
The bolt rod of the transverse bolt is inserted into the transverse sub-base, so that the fixation between the second guardrail and the first guardrail is realized, and the second guardrail is prevented from horizontally overturning under the action of external force in the construction process, so that potential safety hazards are caused.
Further, the first lower guardrail is far away from the first upper guardrail side, and the second lower guardrail is far away from the second upper guardrail side and is provided with a foot blocking plate.
The utility model has the following advantages:
According to the utility model, the first guardrail is prefabricated and formed in advance, when the prefabricated beam field template is constructed, the first sleeve is fixed on the template, the first supporting leg of the first guardrail is inserted into the first sleeve to realize connection of the guardrail and the template, the first upper guardrail is turned upwards, the first guardrail is unfolded, the bolt rod of the vertical bolt is slid into the sub-base to enable the first guardrail to be kept in an unfolded state, and therefore, the guardrail can be installed.
The protection of the empty side of template concatenation department and hoisting position has been realized through this second guardrail, and when the template was separated simultaneously, need not to demolish whole guardrail, only need with the second guardrail upset fold to first guardrail department can, easy operation, convenience.
The second sleeve is fixed at the splicing position and the hoisting position of the template, the second supporting leg of the second guardrail is inserted into the second sleeve, so that the connection of the second guardrail and the template can be realized, the second guardrail can be unfolded according to the unfolding mode of the first guardrail, the installation can be realized, and the disassembly and the assembly are simple and convenient by referring to the disassembly mode of the first guardrail during disassembly.
When the second guardrail is installed, the second guardrail is unfolded and fixed firstly, one side provided with the connecting bolt is placed corresponding to the connecting sleeve, the bolt rod is inserted corresponding to the sleeve, and the installation of the second guardrail can be completed, and the assembly and the disassembly are simple and convenient.
Inserting the bolt pole in the jack, the jack inner wall can be right the frustum both sides form the extrusion to make the frustum crooked to the movable inslot, until the frustum is followed after the jack axis moves to the fixed orifices completely, because the fixed orifices diameter is greater than the jack, the frustum can outwards reply the motion, thereby make the joint of connecting the bolt in the adapter sleeve, realize fixing, and then avoid the second guardrail to deviate from, cause the potential safety hazard, during the dismantlement, only need press down movable cap with force, movable cap moves to the frustum direction, so that the frustum hole parcel frustum, at the in-process of wrapping up completely, the inner wall in frustum hole can extrude the frustum, so that the frustum is crooked to the movable inslot, until the frustum, after crooked in place, the frustum can take out in the adapter sleeve with the round pin hub junction, thereby be convenient for dismantle the connecting bolt.
The bolt rod of the transverse bolt is inserted into the transverse sub-base, so that the fixation between the second guardrail and the first guardrail is realized, and the second guardrail is prevented from horizontally overturning under the action of external force in the construction process, so that potential safety hazards are caused.
Drawings
FIG. 1 is a schematic view of the construction of a precast beam field template guardrail;
FIG. 2 is a schematic view of a portion of the structure of the precast beam field template guardrail of FIG. 1;
FIG. 3 is a schematic view of a first rail of the precast beam field template rails of FIG. 1;
FIG. 4 is a front view of the first guardrail of FIG. 3;
FIG. 5 is a first partial schematic view of the first side rail of FIG. 3;
FIG. 6 is a second partial schematic view of the first rail of FIG. 3;
FIG. 7 is a schematic view of a second rail of the precast beam field template rails of FIG. 1;
FIG. 8 is a schematic illustration of the connection of a first rail to a second rail of the precast beam field template rail of FIG. 1;
FIG. 9 is a schematic view of a detachable hinge in the schematic view of the connection of the first rail and the second rail shown in FIG. 8;
FIG. 10 is a schematic cross-sectional view of the detachable hinge of FIG. 9;
FIG. 11 is a schematic view of the structure of the connecting pin in the detachable hinge of FIG. 9;
FIG. 12 is a schematic cross-sectional view of the connecting sleeve of the removable hinge of FIG. 9;
FIG. 13 is a schematic cross-sectional view of the removable cap of the removable hinge of FIG. 9;
Fig. 14 is a schematic view of the removable hinge of fig. 9 showing the movement of the removable cap in cooperation with the connecting pin.
Detailed Description
Embodiments of the present application are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative and intended to explain the present application and should not be construed as limiting the application.
In this document, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
As described in the background art, the existing guard rail is generally fixed around the formwork by surrounding steel pipes which are arranged in a crisscross manner, and the steel pipes are fixed in a welding or bolting mode, so that the early installation and the later removal are troublesome.
Example 1:
Accordingly, in order to solve the above-mentioned problems, the present embodiment provides a prefabricated beam field formwork guardrail, as shown in fig. 1, which includes a first guardrail 100, the first guardrail 100 is disposed along the hollow side of the formwork, the first guardrail 100 is removably mounted on the formwork as a whole, as shown in fig. 3 and 4, the first guardrail 100 in the present embodiment includes
A first lower guard rail 120 having a first leg 130 at the bottom of the first lower guard rail 130, and
A first upper rail 110, the first upper rail 110 being disposed at a side of the first lower rail 120 away from the first leg, as shown in fig. 6, the first upper rail 110 being pivotally connected to the first lower rail 120 by a hinge 600;
The first upper rail 110 is capable of turning around the pivot axis of the hinge 600 to enable the first rail 100 to be in a folded state or an unfolded state;
as shown in fig. 5, in this embodiment, the prefabricated beam field template guardrail further includes a vertical bolt 500, where the vertical bolt 500 is disposed at a connection portion between the first upper and lower guardrails, and the first guardrails are kept in an unfolded state by the vertical bolt;
As shown in fig. 2, the prefabricated beam field form guard rail in this embodiment further includes a first sleeve 300, the first sleeve 300 being secured to the form and being adapted to receive the first leg 130.
According to the utility model, the first guardrail is prefabricated and formed in advance, when the prefabricated beam field template is constructed, as shown in fig. 2, the first sleeve 300 is fixed on the template, the first supporting leg of the first guardrail is inserted into the first sleeve to realize connection of the guardrail and the template, the first upper guardrail is turned upwards to enable the first guardrail to be unfolded, the bolt rod of the vertical bolt 500 is slid into the sub-base to enable the first guardrail to be kept in an unfolded state, and the installation of the guardrail can be completed.
Through this embodiment, realized the quick installation of template face empty side guardrail to carry out safety protection to the template face empty side, also very convenient when dismantling at the later stage simultaneously.
In this embodiment, the hinge 600 may be a hinge structure with a pivot shaft, such as a hinge type hinge, or may be a hinge with other structures so that the upper guard rail can be turned relative to the lower guard rail.
In this embodiment, the fixing manner of the first sleeve and the template 900 includes, but is not limited to, welding, fusing, riveting, bolting, screwing, or other connection manners capable of achieving the relative fixing of the first sleeve and the template.
In this embodiment, a bolt in threaded connection with the first sleeve may be further disposed outside the first sleeve, and the tail portion of the first sleeve may be abutted against the side portion of the first leg by tightening the bolt, so as to achieve relative fixation of the first guardrail.
Example 2:
In order to realize protection of the splicing position and the hoisting position of the formwork, this embodiment is improved based on embodiment 1, and as shown in fig. 1, unlike embodiment 1, the prefabricated beam field formwork guardrail in this embodiment further includes a second guardrail 200, where the second guardrail 200 is disposed between at least one pair of adjacent first guardrails, and the second guardrail 200 can be horizontally turned around one side thereof;
As shown in fig. 7, the second barrier 200 includes
A second lower guardrail 220, and
A second upper rail 210, the second upper rail 210 being disposed at one side of the second lower rail 220, the second upper rail 210 being pivotally connected to the second lower rail 220 by a hinge 600;
The second upper rail 210 is capable of turning around the pivot axis of the hinge 600 to enable the second rail 200 to be in a folded state or an unfolded state;
The prefabricated beam field template guardrail further comprises a vertical bolt 500, wherein the vertical bolt 500 is arranged at the joint of the second upper guardrail and the second lower guardrail, and the second guardrail is kept in an unfolded state through the vertical bolt.
Through setting up this second guardrail in template concatenation department and hoist and mount position, this second guardrail can be around the vertical axis horizontal upset motion of its one side, through this second guardrail of horizontal upset, the operating personnel business turn over guardrail of being convenient for encloses and establishes the region.
In this embodiment, the second guard rail is held stationary by a transverse pin 800 with the first guard rail disposed on the opposite side of the rotatable side of the second guard rail.
The bolt rod of the transverse bolt 800 is inserted into the transverse sub-base, so that the fixation between the second guardrail and the first guardrail is realized, and the second guardrail is prevented from horizontally overturning under the action of external force in the construction process, so that potential safety hazards are caused.
When the template needs to be lifted, translated or moved in other forms, the bolt rod of the transverse bolt is required to be moved reversely, the child base of the transverse bolt is moved out to contact the connection between the second guardrail and the first guardrail, the second guardrail is turned over to be overlapped with the first guardrail, and the whole guardrail is not required to be detached.
The protection of the empty side of template concatenation department and hoisting position has been realized through this second guardrail, and when the template was separated simultaneously, need not to demolish whole guardrail, only need to roll back the horizontal bolt of second guardrail and reset, the upset is folded to first guardrail department can, easy operation, convenience.
Example 3:
The embodiment proposes a way to realize the horizontal overturning of the second guardrail, and in this embodiment, a second supporting leg is disposed on one side of the second lower guardrail 220 away from the second upper guardrail;
the second support leg is arranged on the side, close to one group of the first guardrails, of the second lower guardrails;
In this embodiment, the prefabricated beam field template guardrail further includes a second sleeve, the second sleeve is fixed on the template corresponding to the second supporting leg, the second supporting leg may be inserted into the second sleeve, and the second supporting leg may rotate in the second sleeve.
In this embodiment, the fixing manner of the second sleeve may refer to the fixing manner of the first sleeve.
According to the embodiment, the second sleeve is fixed at the splicing part and the hoisting position of the template, the second supporting leg of the second guardrail is inserted into the second sleeve, so that the connection of the second guardrail and the template can be realized, the second guardrail can be unfolded according to the unfolding mode of the first guardrail, the installation can be realized, and when the first guardrail is detached, the disassembly and assembly are simple and convenient by referring to the disassembly mode of the first guardrail.
Example 4:
The second embodiment proposes a second mode of realizing the horizontal overturning of the second guardrails, as shown in fig. 8, wherein the second guardrails in the embodiment are connected with one group of the first guardrails through a detachable hinge 700;
as shown in fig. 9, the detachable hinge 700 includes
As shown in fig. 12, the connecting sleeve 720 includes a second mounting portion 722 and a sleeve 721, the second mounting portion 722 is fixedly mounted on the first guardrail or the second guardrail, the sleeve is disposed at one side of the second mounting portion 722, and an insertion hole 723 is disposed in the sleeve 721;
The connecting bolt 720 is shown in fig. 11, the connecting bolt 720 includes a first mounting portion 711 and a bolt 715, the first mounting portion is fixedly mounted on the first guardrail or the second guardrail, the bolt 715 is disposed on one side of the first mounting portion 711, and one end of the bolt 715 has a pin 712 that can be matched with the jack 723.
When the second guardrail is installed, the second guardrail is unfolded and fixed, one side provided with the connecting bolt is placed corresponding to the connecting sleeve 720, the bolt rod is inserted corresponding to the sleeve 721, and then the installation of the second guardrail can be completed, and the second guardrail is easy and convenient to disassemble and assemble.
The second mounting portion of the connecting sleeve 720 is fixedly mounted on one side of the second guardrail by riveting, screw connection, welding, bolting or other fixing connection modes, the first connecting portion of the connecting bolt is fixedly mounted on one side of the first guardrail by the fixing connection mode, and when the connecting sleeve is mounted, the connecting sleeve of the unfolded second guardrail is directly spliced corresponding to the connecting bolt, so that the hinge connection between the first guardrail and the second guardrail can be realized.
Example 5:
In order to avoid the safety accident caused by the detachment of the second guardrail during the operation, the embodiment proposes an improvement on the basis of the embodiment 4, as shown in fig. 11, the end of the pin 712 is provided with a frustum 713, the diameter of one end of the frustum 713 connected with the pin 712 is larger than that of the other end, and the diameter of one end of the frustum connected with the pin is larger than that of the pin;
The connecting bolt further comprises a movable groove 714 which radially penetrates through the frustum 713 and the pin shaft, and the pin shaft and the frustum have elasticity;
As shown in fig. 12, the insertion hole 723 has a fixing hole 724 at one end, which is matched with the frustum.
As shown in fig. 9, the connecting pin in this embodiment further includes a movable cap 730, where the movable cap 730 is installed at one end of the connecting sleeve 720 near the fixed hole, corresponding to the insertion hole, and as shown in fig. 13, the movable cap 730 can move linearly along the axis direction of the insertion hole, and a frustum hole 731 is provided in the movable cap, where the frustum hole wraps the frustum, and the frustum divided by the movable groove is near each other in the process of wrapping the frustum.
Inserting the bolt pole in the jack, the jack inner wall can be right the frustum both sides form the extrusion to make the frustum crooked to the movable inslot, until the frustum is followed after the jack axis moves to fixed orifices 724 completely, because fixed orifices diameter is greater than the jack, the frustum can outwards resume the motion, thereby make the joint of connecting the bolt in the adapter sleeve, realize fixedly, can refer to fig. 10, and then avoid the second guardrail to deviate from, cause the potential safety hazard, during the dismantlement, as shown in fig. 14, only need press down movable cap 730 with effort, movable cap moves to the frustum direction, so that the frustum hole parcel frustum, at the in-process of wrapping up completely, the inner wall of frustum hole can extrude the frustum, so that the frustum is crooked to the movable inslot, until the frustum, after crooked in place, frustum and round pin hub junction can be in the jack linear motion, thereby can take out the connecting bolt from the connecting sleeve, the dismouting of being convenient for.
In addition, the first lower guard rail of the present utility model may be provided with a foot guard 400 at a side far from the first upper guard rail and at a side far from the second upper guard rail.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present utility model. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the utility model. Thus, the present utility model is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (8)
1. The utility model provides a precast beam field template guardrail, includes first guardrail, first guardrail is followed template face empty side arranges, its characterized in that, first guardrail is whole to be removably installed on the template, first guardrail includes
A first lower guardrail with a first leg arranged at the bottom and
The first upper guardrail is arranged on one side, far away from the first supporting leg, of the first lower guardrail and is in pivot connection with the first lower guardrail through a hinge;
The first upper guardrail can turn around the pivot shaft of the hinge so as to enable the first guardrail to be in a folded state or an unfolded state;
the prefabricated beam field template guardrail further comprises a vertical bolt, wherein the vertical bolt is arranged at the joint of the first upper guardrail and the first lower guardrail, and the first guardrail is kept in an unfolded state through the vertical bolt;
The precast beam field template guardrail further comprises a first sleeve fixed on the template, wherein the first sleeve can accommodate the first supporting leg.
2. A precast beam field template guard rail according to claim 1 further comprising a second guard rail disposed between at least one pair of adjacent said first guard rails, the second guard rail being horizontally reversible about one side thereof;
The second guardrail comprises
A second lower guard rail, and
The second upper guardrail is arranged on one side of the second lower guardrail and is in pivot connection with the second lower guardrail through a hinge;
The second upper guardrail can turn around the pivot shaft of the hinge so as to enable the second guardrail to be in a folded state or an unfolded state;
The prefabricated beam field template guardrail further comprises a vertical bolt, the vertical bolt is arranged at the joint of the second upper guardrail and the second lower guardrail, and the second guardrail is kept in an unfolded state through the vertical bolt.
3. A precast beam field template guard rail according to claim 2, wherein a second leg is provided on a side of the second lower guard rail remote from the second upper guard rail;
the second support leg is arranged on the side, close to one group of the first guardrails, of the second lower guardrails;
The prefabricated beam field template guardrail further comprises a second sleeve, the second sleeve is fixed on the template corresponding to the second supporting leg, the second supporting leg can be inserted into the second sleeve, and the second supporting leg can rotate in the second sleeve relatively.
4. A precast beam field template guard rail as claimed in claim 2, wherein the second guard rail is connected to one of the first guard rails by a detachable hinge;
the detachable hinge comprises
The connecting sleeve comprises a second installation part and a sleeve, wherein the second installation part is fixedly installed on the first guardrail or the second guardrail, the sleeve is arranged on one side of the second installation part, and a jack is arranged in the sleeve;
The connecting bolt comprises a first installation part and a bolt, wherein the first installation part is fixedly installed on the first guardrail or the second guardrail, the bolt is arranged on one side of the first installation part, and one end of the bolt is provided with a pin shaft which can be matched with the jack.
5. The precast beam field template guardrail according to claim 4, wherein the end part of the pin shaft is provided with a frustum, the diameter of one end of the frustum connected with the pin shaft is larger than that of the other end, and the diameter of one end of the frustum connected with the pin shaft is larger than that of the pin shaft;
The connecting bolt further comprises a movable groove which radially penetrates through the frustum and the pin shaft, and the pin shaft and the frustum have elasticity;
one end of the jack is provided with a fixing hole matched with the frustum.
6. The prefabricated beam field formwork guardrail according to claim 5, wherein the connecting pin further comprises a movable cap, the movable cap is arranged at one end, close to the fixed hole, of the connecting sleeve corresponding to the insertion hole, the movable cap can linearly move along the axis direction of the insertion hole, a frustum hole is formed in the movable cap, and the frustum divided by the movable groove is mutually close in the process of wrapping the frustum by the frustum hole.
7. A precast beam field template guard rail as claimed in claim 2 in which the second guard rail is held stationary by transverse bolts with the first guard rail disposed on the opposite side of the rotatable side of the second guard rail.
8. The precast beam field template fence of claim 2, wherein the first lower fence is provided with a foot guard on a side away from the first upper fence and the second lower fence is provided with a foot guard on a side away from the second upper fence.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202421375676.4U CN222835405U (en) | 2024-06-17 | 2024-06-17 | Precast beam field template guardrail |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202421375676.4U CN222835405U (en) | 2024-06-17 | 2024-06-17 | Precast beam field template guardrail |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN222835405U true CN222835405U (en) | 2025-05-06 |
Family
ID=95530650
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202421375676.4U Active CN222835405U (en) | 2024-06-17 | 2024-06-17 | Precast beam field template guardrail |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN222835405U (en) |
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2024
- 2024-06-17 CN CN202421375676.4U patent/CN222835405U/en active Active
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