CN217500569U - Pulling-on piece subassembly that can fix wire net piece cross position - Google Patents

Abstract

The utility model discloses a pulling-on piece subassembly that can fix wire net piece cross position belongs to building heat preservation technical field, and it includes the pulling-on piece body, sets up first setting element and second setting element on the pulling-on piece body, and first setting element is including setting up the wire net piece supporting part on the backup plate supports backup plate one side face at the heat preservation board, sets up horizontal wire draw-in groove and erects the silk draw-in groove on the outer end terminal surface of wire net piece supporting part, and first positioning mechanism is including setting up the wire net piece joint portion at the first end of pulling-on piece body. The utility model provides a pulling-on piece subassembly, through setting up mutually perpendicular's horizontal silk draw-in groove and erecting the silk draw-in groove on first locating part, the horizontal silk that makes steel mesh piece cross section position can correspond the card and go into horizontal silk draw-in groove and erect in the silk draw-in groove to further block the horizontal silk or the erecting wire of steel mesh piece through steel mesh piece joint portion on the pulling-on piece body, prevent that the horizontal silk or the erecting wire of steel mesh piece from deviating from in the draw-in groove, make steel mesh piece and heated board carry out reliable connection through the pulling-on piece subassembly.

Description

Pulling-on piece subassembly that can fix wire net piece cross position

Technical Field

The utility model relates to a pulling-on piece subassembly that can fix wire net piece cross position belongs to building heat preservation technical field.

Background

In the construction process of the external thermal insulation cast-in-place concrete of the external wall, after a main body reinforcement cage, a thermal insulation board and a steel wire mesh are sequentially erected between an inner template and an outer template, concrete is poured in a cavity formed among the thermal insulation board, the inner template and the outer template. After the concrete is solidified, the steel wire mesh composite heat-insulation plate and the concrete are molded into a whole, and the steel wire mesh composite heat-insulation plate has the advantages of firm fixation, long service life, short construction period and the like.

In order to prevent the heat-insulating plate and the steel wire mesh from moving towards the inner template or the outer template due to the pouring pressure in the pouring process, the heat-insulating plate and the steel wire mesh need to be connected and positioned through connecting pieces. At present, in order to improve on-the-spot efficiency of construction, the compound connection of wire net piece and heated board has begun to promote and has accomplished at the mill prefabrication, but the connecting piece construction that is used for fixing a position wire net piece and heated board that now uses on the market is loaded down with trivial details, and can not satisfy the firm location to wire net piece and heated board, the composite construction that leads to wire net piece and heated board just appears warping in transportation and hoist and mount in-process, aversion and damaged phenomenon, the pouring impact force can make wire net piece and heated board take place the skew when the pouring concrete, influence wall body pouring quality, lead to the wall to appear bulging scheduling problem.

The above description is included in the technical recognition scope of the inventors, and does not necessarily constitute the prior art.

SUMMERY OF THE UTILITY MODEL

The utility model discloses a solve the problem that prior art exists, provide a pulling-on piece subassembly that can fix steel mesh cross position, the horizontal silk that makes steel mesh cross position can correspond the card and go into horizontal silk draw-in groove and erect in the silk draw-in groove to further block the horizontal silk or the vertical wire of steel mesh through steel mesh joint portion on the pulling-on piece body.

The utility model discloses an adopt following technical scheme to realize above-mentioned purpose:

a pull piece assembly capable of fixing a cross part of a steel wire mesh comprises a pull piece body, wherein the pull piece body extends between a first end and a second end along a straight line, a first positioning piece and a second positioning piece are arranged on the pull piece body at intervals and are respectively close to the first end and the second end of the pull piece body, and pull piece penetrating channels for the pull piece body to penetrate through are respectively formed in the first positioning piece and the second positioning piece;

the first positioning piece and the second positioning piece are detachably connected with the pull piece body through a first positioning mechanism and a second positioning mechanism respectively, and the first positioning mechanism and the second positioning mechanism are used for limiting the backward movement between the first positioning piece and the second positioning piece;

the first positioning piece comprises a steel wire mesh supporting part arranged on the surface of one side, abutted against the board, of the heat insulation board, a transverse wire clamping groove and a vertical wire clamping groove are formed in the end surface of the outer end of the steel wire mesh supporting part, the groove length direction of the transverse wire clamping groove and the groove length direction of the vertical wire clamping groove are both parallel to the surface of the abutted against board, and the groove length direction of the transverse wire clamping groove is perpendicular to the groove length direction of the vertical wire clamping groove;

first positioning mechanism is including setting up the steel wire net joint portion at the first end of pulling-on piece body.

Optionally, the steel wire mesh clamping portion is an L-shaped hook body, a protruding portion or a groove arranged on the pull piece body, and the hook bottom of the L-shaped hook body faces the second end of the pull piece body.

Optionally, the difference between the groove depth of the transverse wire clamping groove and the groove depth of the vertical wire clamping groove is the wire diameter of the steel wire mesh.

Optionally, the steel wire mesh supporting part is of a cylindrical structure.

Optionally, the number of the transverse wire clamping grooves and the number of the vertical wire clamping grooves are two, and the two transverse wire clamping grooves and the two vertical wire clamping grooves are oppositely arranged on the cylinder wall of the cylindrical structure.

Optionally, the groove bottoms of the transverse wire clamping groove and the vertical wire clamping groove are communicated with an anti-falling groove, and the groove length direction of the anti-falling groove is perpendicular to the groove length directions of the transverse wire clamping groove and the vertical wire clamping groove.

Optionally, the steel wire mesh supporting part comprises two plate-shaped structures which are vertically arranged, the outer end faces of the two plate-shaped structures are respectively provided with the transverse wire clamping grooves and the vertical wire clamping grooves, and the transverse wire clamping grooves and the vertical wire clamping grooves are vertically arranged.

Optionally, the transverse wire clamping grooves are formed in the end faces of the outer ends of the steel wire mesh supporting portions, and the vertical wire clamping grooves are formed in the end faces of the outer ends of two groove walls of each transverse wire clamping groove in a relatively-opened mode.

Optionally, a groove wall of the transverse wire clamping groove and/or a groove wall of the vertical wire clamping groove are/is provided with a clamping protrusion.

Optionally, the second positioning mechanism includes:

a plurality of clamping grooves are formed in the pulling piece body at intervals along the extending direction of the pulling piece body;

the fastener, the fastener includes the web of two limbs boards of parallel and two limb boards of connection, and the tank bottom of establishing at the draw-in groove is ridden to the web, and two limb boards press from both sides respectively and establish the both sides at the pulling-on piece body, the fastener is used for preventing the second setting element to move to the second end of pulling-on piece body.

Benefits of the present application include, but are not limited to:

the utility model provides a can fix pulling-on piece subassembly at wire net piece cross position, moreover, the steam generator is simple in structure, high durability and convenient use, through setting up mutually perpendicular's horizontal wire draw-in groove and erecting wire draw-in groove on first locating part, the horizontal wire and the erecting wire that make wire net piece cross position can correspond the card and go into in horizontal wire draw-in groove and the erecting wire draw-in groove, and further block the horizontal wire or the erecting wire of wire net piece through wire net piece joint portion on the pulling-on piece body, prevent that the horizontal wire or the erecting wire of wire net piece from deviating from in the draw-in groove, make wire net piece and heated board reliably connect through the pulling-on piece subassembly, the stability of wire net piece and heated board composite construction has been improved.

Drawings

The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the application and together with the description serve to explain the application and not to limit the application. In the drawings:

fig. 1 is a schematic view of a first angle of a pull tab assembly capable of fixing a cross-shaped part of a steel wire mesh provided in example 1;

fig. 2 is a schematic view of a second angle of a pull tab assembly capable of fixing a cross-shaped part of a steel wire mesh provided in example 1;

FIG. 3 is a schematic view of the tab body of FIG. 1;

FIG. 4 is a schematic view of the first positioning member of FIG. 1;

FIG. 5 is a schematic view of a cartridge;

fig. 6 is a schematic view of another pull tab assembly capable of securing a crosshair of a steel mesh sheet provided in example 1;

fig. 7 is a schematic view of a pull tab assembly capable of fixing a cross-shaped part of a steel wire mesh sheet provided in example 2;

FIG. 8 is a schematic view of the first positioning member of FIG. 7;

FIG. 9 is a schematic view of the tab body of FIG. 7;

FIG. 10 is a schematic view of another pull tab body provided in example 2;

fig. 11 is a schematic view of a pull tab assembly capable of fixing a cross-shaped part of a steel mesh sheet provided in example 3;

FIG. 12 is a schematic view of the first positioning member of FIG. 11;

FIG. 13 is a schematic view of a tab body according to example 3;

FIG. 14 is a schematic view of a second positioning member;

in the figure, 100, the tab body; 200. a first positioning member; 210. the heat insulation plate abuts against the plate; 220. a steel wire mesh supporting part; 221. a transverse wire clamping groove; 222. a vertical thread clamping groove; 223. a drop-proof groove; 224. clamping convex; 300. a second positioning member; 400. the pull piece penetrates out of the channel; 510. a card slot; 520. a fastener; 521. a limb plate; 522. a web; 600. pouring a groove; 710. an L-shaped hook body; 720. a boss portion; 730. a groove; 800. and (4) air holes.

Detailed Description

In order to clearly illustrate the technical features of the present invention, the present invention is explained in detail by the following embodiments in combination with the accompanying drawings.

It should be noted that in the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, however, the present invention may be practiced in other ways than those specifically described herein. Accordingly, the scope of the present invention is not limited by the specific embodiments disclosed below.

As shown in fig. 1, fig. 4, fig. 6, fig. 11, the utility model provides a can fix pulling-on piece subassembly at steel mesh cross position, including pulling-on piece body 100, pulling-on piece body 100 extends along the straight line between first end and second end, and the interval is provided with first setting element 200 and second setting element 300 on the pulling-on piece body 100, and first setting element 200 and second setting element 300 are close to the first end and the second end setting of pulling-on piece body 100 respectively, all offer the pulling-on piece that supplies the pulling-on piece body to pass on first setting element 200 and the second setting element 300 and wear out passageway 400.

The first positioning member 200 and the second positioning member 300 are detachably connected to the pull tab body 100 through a first positioning mechanism and a second positioning mechanism, respectively, which are used to limit the back-to-back movement between the first positioning member 200 and the second positioning member 300.

The pull tab body 100 is a long plate-shaped structure, for convenience of description, a side of the pull tab body 100 facing a paper surface in fig. 1 is defined as a front side surface, a side facing away from the paper surface is defined as a rear side surface, an upper side surface and a lower side surface joined with the front side surface are respectively an upper side surface and a lower side surface, a left side surface and a right side surface joined with the front side surface are respectively a left side surface and a right side surface, and an extending direction of the pull tab body 100 is a length direction of the pull tab body 100.

During the use, pulling-on piece body 100 passes the heated board, and first setting element 200 and second setting element 300 wear to establish respectively on the pulling-on piece body 100 of heated board both sides, can prevent the heated board to the first end and the second end of pulling-on piece body 100 and remove, also make the rigidity of pulling-on piece body 100 in the heated board, prevent that pulling-on piece body 100 from taking out from the heated board.

The second positioning mechanism includes:

a plurality of locking grooves 510 spaced along the extension of the tab body 100 on the upper and/or lower side of the tab body 100;

the latch 520, as shown in fig. 5, includes two parallel limbs 521 and a web 522 connecting the two limbs 521, the web 522 rides on the bottom of the slot 510, the two limbs 521 are respectively clamped at two sides of the tab body 100, and the latch 520 is used to prevent the second positioning element 300 from moving towards the second end of the tab body 100.

Wherein the locking groove 510 is generally square, and the locking groove 510 is formed on the upper side or the lower side of the tab body 100 and penetrates the front side and the rear side of the tab body 100. After the clip 520 is clamped in the clamping groove 510, it protrudes out of the surface of the pull-tab body 100, so that the second positioning element 300 is prevented from moving towards the second end of the pull-tab body 100. The utility model discloses a draw-in groove 510 and fastener 520's cooperation has realized the quick location of second setting element 300, compares in traditional welding or threaded connection mode, and it is more convenient to operate.

After the insulation board is transported to the field for installation, a first pouring cavity and a second pouring cavity are formed between the insulation board and the inner template and between the insulation board and the outer template respectively, after concrete is poured, the insulation board and the concrete on the two sides are combined together, and the second end of the pull piece body 100 is combined with the concrete. In order to improve the bond force of the pull-tab body 100 and concrete and prevent the insulation board from cracking, a casting groove 600 is preferably further formed in the upper side and/or the lower side of the second end of the pull-tab body 100. Generally, the casting recess 600 may adopt a V-shaped or trapezoidal structure.

The structure of the first positioning member 200 will be described in detail below in the form of specific embodiments.

Example 1:

as shown in fig. 1, fig. 2, and fig. 6, in this embodiment, the first positioning element 200 includes a steel wire mesh supporting portion 220 disposed on a plate surface of one side of the insulation board abutting against the board 210, a transverse wire clamping slot 221 and a vertical wire clamping slot 222 are disposed on an outer end surface of the steel wire mesh supporting portion 220, a slot length direction of the transverse wire clamping slot 221 and a slot length direction of the vertical wire clamping slot 222 are both parallel to the plate surface of the insulation board abutting against the board 210, and a slot length direction of the transverse wire clamping slot 221 is perpendicular to a slot length direction of the vertical wire clamping slot 222; first positioning mechanism is including setting up the steel wire net joint portion at the first end of pulling-on piece body 100.

The steel wire mesh supporting part 220 is of a cylindrical structure, the number of the transverse wire clamping grooves 221 and the number of the vertical wire clamping grooves 222 are two, and the two transverse wire clamping grooves 221 and the two vertical wire clamping grooves 222 are respectively and oppositely arranged on the cylindrical wall of the cylindrical structure.

The steel wire mesh clamping part is an L-shaped hook body 710 or a bulge 720 arranged on the pull piece body 100. With an L-shaped hook, the hook base faces the second end of the tab body 100.

When the pulling-on piece subassembly that this embodiment provided is applied to the equipment complex of heated board and wire net piece, can be according to following step: laying a steel wire mesh on a heat preservation plate, supporting each first positioning piece 200 below the steel wire mesh, and respectively clamping transverse wires and vertical wires at the crossed part of the steel wire mesh into corresponding transverse wire clamping grooves 221 and vertical wire clamping grooves 222 on a steel wire mesh supporting part 220; then, the pulling-on piece body 100 penetrates through the channel 400 from the pulling-on piece on the first positioning piece 200 and continues to penetrate through the heat insulation board, and in the process of penetrating the pulling-on piece body 100, transverse wires or vertical wires of the steel wire mesh are clamped on the steel wire mesh clamping part on the pulling-on piece body 100; finally, the second positioning member 300 is sleeved into the second end of the pull tab body 100, the card 520 is clamped in the card slot 510, and the second positioning member 300 is positioned through the cooperation of the card 520 and the card slot 510. So, realize the equipment complex of wire mesh piece and heated board. After the horizontal wires or the vertical wires of the steel wire mesh are clamped to the steel wire mesh clamping portion, the thrust of the steel wire mesh clamping portion towards the second end of the pull piece body 100 is received, and the steel wire mesh is prevented from being separated from the clamping groove 510.

The pouring cavity on the outer side is formed between the outer side of the heat insulation plate and the outer template, and in order to fix the distance between the outer template and the heat insulation plate, a mode that the outer end of the steel wire mesh supporting part 220 abuts against the outer template as shown in fig. 1 and fig. 2 can be adopted, and a mode that the outer end of the pull piece body 100 abuts against the outer template as shown in fig. 6 can also be adopted.

The transverse wires and the vertical wires of the steel wire mesh are arranged in a crossed mode, and the distance between the plane where the center line of each transverse wire is located and the plane where the center line of each vertical wire is located is the wire diameter of the steel wire mesh. For this reason, in a preferred embodiment, the difference between the groove depth of the horizontal wire clamping groove 221 and the groove depth of the vertical wire clamping groove 222 is the wire diameter of the steel wire mesh, so that both the horizontal wire and the vertical wire of the steel wire mesh can be clamped to the groove bottom of the corresponding clamping groove 510.

In order to further prevent the transverse wires or the vertical wires of the steel wire mesh from being pulled out from the transverse wire clamping grooves 221 or the vertical wire clamping grooves 222 on the first positioning member 200, the groove bottoms of the transverse wire clamping grooves 221 and the vertical wire clamping grooves 222 are preferably communicated with anti-falling grooves 223, and the groove length direction of the anti-falling grooves 223 is perpendicular to the groove length directions of the transverse wire clamping grooves 221 and the vertical wire clamping grooves 222.

So set up, after horizontal silk and the riser of steel mesh piece intersection position blocked the tank bottom of horizontal silk draw-in groove 221 and riser draw-in groove 222 respectively, rotate first locating piece 200, make horizontal silk and riser get into in the anticreep groove 223 can.

In addition, air holes 800 may be formed in the wall of the cylindrical structure to allow concrete to flow therethrough.

Example 2:

in this embodiment, as shown in fig. 7 and 8, the steel mesh supporting portion on the first positioning member 200 includes two plate-shaped structures that are vertically arranged, the outer end faces of the two plate-shaped structures are respectively provided with a horizontal wire clamping groove 221 and a vertical wire clamping groove 222, the horizontal wire clamping groove 221 and the vertical wire clamping groove 222 are vertically arranged, and a difference between a groove depth of the horizontal wire clamping groove 221 and a groove depth of the vertical wire clamping groove 222 is a wire diameter of the steel mesh.

In this embodiment, in order to prevent the horizontal wires or the vertical wires of the steel wire mesh from coming out of the horizontal wire locking grooves 221 or the vertical wire locking grooves 222, it is preferable that the locking protrusions 224 are provided on the groove walls of the horizontal wire locking grooves 221 and/or the groove walls of the vertical wire locking grooves 222. For example, two locking protrusions are respectively disposed on two side groove walls of the horizontal wire locking groove 221, and the two locking protrusions are staggered in the horizontal direction.

As shown in fig. 9, the steel wire mesh clamping portion is a groove 730 formed in the pull-tab body 100, the groove 730 is formed by cutting the upper side surface and the lower side surface of the pull-tab body 100, and extends from a certain position to the first end of the pull-tab body 100 gradually, the groove depth of the groove increases gradually along the extending direction, and the deepest position of the groove 730 forms a specific position for clamping the transverse wires or the vertical wires of the steel wire mesh.

During the use, in horizontal silk draw-in groove 221 and the vertical wire draw-in groove 222 are blocked respectively to the horizontal silk and the vertical wire of wire mesh crossing position diagonal angle one side, then pass first setting element 200 and heated board with pulling-on piece body 100 in proper order, at the in-process of wearing pulling-on piece body 100, make the horizontal silk and the vertical wire of wire mesh crossing position diagonal angle opposite angle be located the both sides of pulling-on piece body 100, the horizontal silk and the vertical wire of diagonal angle opposite side are propped open and finally are moved the deepest position of recess 730 and are blocked by pulling-on piece body 100, make the horizontal silk and the vertical wire of wire mesh receive the thrust towards pulling-on piece body 100 second end, prevent that the horizontal silk and the vertical wire of wire mesh from deviating from in horizontal silk draw-in groove 221 and the vertical wire draw-in groove 222.

As shown in fig. 10, in this embodiment, the steel wire mesh sheet clamping portion may also be a protruding portion disposed on the pull-on sheet body 100, the protruding portion is disposed on both sides of the pull-on sheet body 100, and the transverse wires and the vertical wires on the steel wire mesh sheet are respectively clamped on the two protruding portions.

Example 3:

as shown in fig. 11 and 12, the outer end surface of the steel mesh supporting portion is provided with a transverse wire clamping groove 221, and the outer end surfaces of two groove walls of the transverse wire clamping groove 221 are provided with vertical wire clamping grooves 222 relatively. When the device is used, the transverse wires and the vertical wires at the crossed parts of the steel wire mesh sheets are correspondingly clamped into the transverse wire clamping grooves 221 and the vertical wire clamping grooves 222.

In this embodiment, as shown in fig. 13, the steel wire mesh clamping portion is a protruding portion arranged on the pull-tab body 100, and the transverse wires clamped in the transverse wire clamping groove 221 are blocked by the protruding portion.

As shown in fig. 14, the second positioning member 300 is generally formed in a plate-like structure, and a pull-tab passing through passage 400 is formed therein.

In the description of the present invention, it is to be understood that the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "axial", "radial", "circumferential", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present invention.

In the present invention, unless otherwise explicitly specified or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly, e.g., as being fixedly connected, detachably connected, or integrated; the connection can be mechanical connection, electrical connection or communication; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

The above-mentioned specific embodiments can not be regarded as the restriction to the protection scope of the present invention, to the technical personnel in this technical field, it is right that any replacement improvement or transformation that the embodiment of the present invention made all fall within the protection scope of the utility model.

The parts of the present invention not described in detail are the known techniques of those skilled in the art.

Claims (10)

1. The pull piece assembly capable of fixing the cross part of the steel wire mesh comprises a pull piece body, wherein the pull piece body extends between a first end and a second end along a straight line, a first positioning piece and a second positioning piece are arranged on the pull piece body at intervals, the first positioning piece and the second positioning piece are respectively close to the first end and the second end of the pull piece body, and pull piece penetrating channels for the pull piece body to penetrate through are formed in the first positioning piece and the second positioning piece;

the first positioning piece and the second positioning piece are detachably connected with the pull piece body through a first positioning mechanism and a second positioning mechanism respectively, and the first positioning mechanism and the second positioning mechanism are used for limiting the backward movement between the first positioning piece and the second positioning piece;

the first positioning piece is characterized by comprising a steel wire mesh supporting part arranged on the surface of one side, abutted against the board, of the heat insulation board, a transverse wire clamping groove and a vertical wire clamping groove are formed in the end surface of the outer end of the steel wire mesh supporting part, the groove length direction of the transverse wire clamping groove and the groove length direction of the vertical wire clamping groove are both parallel to the surface of the heat insulation board abutted against the board, and the groove length direction of the transverse wire clamping groove is perpendicular to the groove length direction of the vertical wire clamping groove;

first positioning mechanism is including setting up the steel wire net joint portion at the first end of pulling-on piece body.

2. The pull-tab assembly capable of fixing the crossed part of the steel wire mesh according to claim 1, wherein the steel wire mesh clamping portion is an L-shaped hook body, a protruding portion or a groove arranged on the pull-tab body, and the hook bottom of the L-shaped hook body faces the second end of the pull-tab body.

3. The pull-tab assembly capable of fixing the criss-cross part of the steel wire mesh as claimed in claim 1, wherein the difference between the groove depth of the transverse wire clamping groove and the groove depth of the vertical wire clamping groove is the wire diameter of the steel wire mesh.

4. The pull tab assembly capable of fixing the criss-cross part of the steel wire mesh as claimed in claim 1, wherein the steel wire mesh support part is of a cylindrical structure.

5. The pull piece assembly capable of fixing the criss-cross part of the steel wire mesh according to claim 4, wherein the number of the horizontal wire clamping grooves and the vertical wire clamping grooves is two, and the two horizontal wire clamping grooves and the two vertical wire clamping grooves are arranged on the wall of the cylindrical structure in a manner of being opposite to each other.

6. The pull tab assembly capable of fixing the crossed part of the steel wire mesh sheet according to claim 4, wherein the bottom of each of the transverse wire clamping groove and the vertical wire clamping groove is communicated with a drop-proof groove, and the length direction of each drop-proof groove is perpendicular to the length direction of each of the transverse wire clamping groove and the vertical wire clamping groove.

7. The pull-tab assembly capable of fixing the crossed part of the steel wire mesh according to claim 1, wherein the steel wire mesh supporting part comprises two plate-shaped structures which are vertically arranged, the outer end faces of the two plate-shaped structures are respectively provided with the transverse wire clamping groove and the vertical wire clamping groove, and the transverse wire clamping groove and the vertical wire clamping groove are vertically arranged.

8. The pull-tab assembly capable of fixing the crossed part of the steel wire mesh as claimed in claim 1, wherein the transverse wire clamping grooves are formed in the outer end faces of the steel wire mesh supporting parts, and the vertical wire clamping grooves are formed in the outer end faces of two groove walls of each transverse wire clamping groove in a relatively-opened manner.

9. The pull-tab assembly capable of fixing the criss-cross part of the steel wire mesh as claimed in claim 1, wherein the groove wall of the transverse wire clamping groove and/or the groove wall of the vertical wire clamping groove are provided with clamping protrusions.

10. The pull tab assembly capable of fixing the criss-cross portion of the steel wire mesh sheet according to claim 1, wherein the second positioning mechanism comprises:

a plurality of clamping grooves are formed in the pulling piece body at intervals along the extending direction of the pulling piece body;

the fastener, the fastener includes the web of two limbs boards of parallel and two limb boards of connection, and the tank bottom of establishing at the draw-in groove is ridden to the web, and two limb boards press from both sides respectively and establish the both sides at the pulling-on piece body, the fastener is used for preventing the second setting element to move to the second end of pulling-on piece body.

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