Mortise and tenon hemming connection node of slidable support

Abstract

The utility model discloses a mortise and tenon hemming connection node of a slidable support, which comprises a support metal base, a support slip sheet and a metal roof panel rib, the metal roof panel rib is connected with the support metal base through the support slip sheet, the top of the metal roof panel rib is provided with a hemming, and the two sides of the metal roof panel rib are provided with mortise and tenon raised heads which protrude towards the inner side; the support sliding piece comprises a tenon-and-mortise piece, a hemming piece and a sliding rod, the bottom of the hemming piece is connected with the tenon-and-mortise piece, the top of the hemming piece is connected with the metal roof board rib, the tenon-and-mortise piece is provided with a tenon-and-mortise groove matched with the tenon-and-mortise protruding head, and the sliding rod is arranged at the bottom of the tenon-and-mortise piece; a linear sliding groove matched with the sliding rod in shape is formed in the top of the support metal base, an opening is formed in the top of the linear sliding groove, the two ends of the linear sliding groove are closed, and the sliding rod is arranged in the linear sliding groove. The wind uplift resistance of the roof panel can be improved, and enough allowance is reserved for thermal expansion and cold contraction of the roof panel.

Description

TECHNICAL FIELD

[0001] The utility model relates to metal roof maintenance system technical field, concretely is a mortise and tenon edge curling connection node of slidable support. BACKGROUND

[0002] Metal roof system as the main enclosure system form of large steel structure industrial building and public building roof, because metal roof system compares with concrete roof under the action of strong wind and easily wind uncover damage, give industrial building's production and operation and public building's normal operation cause huge economic and property loss, find in the actual use process, metal roof system mainly includes metal roof panel, metal roof panel passes through roof support and is connected with roof structure fixedly, and the main reason of metal roof system's damage is that roof support and roof panel connection are unreliable, cause the insufficient wind bearing capacity, so improve roof support and roof panel's connection node's anti -pulling bearing capacity is the main technical solution path of improving roof panel wind uncover performance. SUMMARY

[0003] The utility model discloses in order to strengthen the connection strength of roof support and roof panel in metal roof system, provide a mortise and tenon edge curling connection node of slidable support that can improve roof panel's wind uncover performance, and give roof panel's thermal expansion and cold shrink leave enough margin.

[0004] In order to realize the above-mentioned purpose, the utility model provides the following technical scheme:

[0005] A mortise and tenon edge curling connection node of slidable support, including support metal base, support slide piece, metal roof panel board rib, metal roof panel board rib is connected support metal base through support slide piece, the top of metal roof panel board rib is equipped with edge curling, and both sides are equipped with the mortise and tenon boss that protrudes to the inside side;The support slide piece includes mortise and tenon piece, edge curling piece, slide rod, the bottom of edge curling piece is connected with mortise and tenon piece, the top of edge curling piece is connected with metal roof panel board rib, the mortise and tenon piece is equipped with the mortise and tenon recess that cooperates with mortise and tenon boss, and the bottom of mortise and tenon piece is equipped with slide rod;The top of support metal base is equipped with the linear slide groove that cooperates with the shape of slide rod, the top of linear slide groove is equipped with opening, and the both ends of linear slide groove are closed, and the slide rod is located in linear slide groove.

[0006] The metal roof panel is usually formed by splicing multiple metal panels, and the sealing and connecting strength of the splicing position affects whether the roof will leak and whether it will be blown off by strong wind; the metal roof panel rib of the scheme is formed by bending and edge rolling the edges of two adjacent metal roof panels to connect each other, and the edges of the two metal roof panels are bent together by 360 degrees to form an edge roll, so that the sealing connection of the joint between the two metal roof panels is ensured to be water-tight, and meanwhile the two metal roof panels are respectively recessed inward at the connecting position to form tenon and mortise bosses; the metal base is fixedly connected with the roof structure, and the support slide plays a role of connecting the metal base and the metal roof panel rib, and the support slide is provided with a tenon and mortise piece, an edge rolling piece and a slide rod which are connected with each other, wherein the tenon and mortise piece is provided with a tenon and mortise groove matched with the tenon and mortise boss of the metal roof panel rib, and the matching of the two increases the connecting strength of the tenon and mortise piece and the metal roof panel rib; the edge rolling piece is inserted between the edges of the two metal roof panels and is bent together with the edges of the two metal roof panels to form an edge roll, so that the sealing effect of the edge roll is ensured and the edge roll strength is increased; in addition, in order to solve the problem of thermal expansion and contraction of the metal roof panel, the slide rod is arranged at the bottom of the support slide, the slide rod is placed in the linear sliding groove of the support metal base, the linear sliding groove is closed at both ends, the slide rod can move bidirectionally in the linear sliding groove, and when the metal roof panel expands and contracts, the slide rod can slide in the linear sliding groove through the support slide, so that the expansion and contraction of the metal roof panel is not limited.

[0007] As a preferred scheme of the utility model, the tenon and mortise piece of the support slide includes a trapezoidal vertical plate, a tenon and mortise groove vertical plate, a tenon and mortise groove upper plate and a tenon and mortise groove lower plate, the tenon and mortise groove upper plate is arranged vertically on the upper part of the tenon and mortise groove vertical plate along the longitudinal direction of the tenon and mortise groove vertical plate, and the tenon and mortise groove lower plate is arranged vertically on the lower part of the two side ends of the tenon and mortise groove vertical plate; the edge rolling piece includes an edge rolling piece vertical plate, an edge rolling piece supporting plate, an edge rolling piece pressing plate and an edge rolling piece hook plate, the edge rolling piece supporting plate is arranged vertically on the lower part of the edge rolling piece vertical plate and horizontally on the mirror image side of the tenon and mortise groove lower plate, the edge rolling piece pressing plate is arranged vertically on the upper part of the edge rolling piece vertical plate and on the same side of the tenon and mortise groove upper plate, the end part of the lower side of the edge rolling piece pressing plate is provided with the edge rolling piece hook plate which is turned down at an angle of 90-45 degrees, and the trapezoidal vertical plate is provided with the slide rod along the longitudinal direction of the tenon and mortise groove vertical plate; the tenon and mortise piece and the edge rolling piece are connected by welding or bolts, and the tenon and mortise piece and the slide rod are connected by welding.

[0008] As the preferred scheme of the utility model, the mortise and tenon piece includes trapezoidal vertical plate, mortise and tenon groove vertical plate, mortise and tenon groove upper flat plate, mortise and tenon groove lower flat plate, the upper end of the mortise and tenon groove vertical plate is provided with upper and lower flat plates in the vertical direction, and the other end of the mortise and tenon groove vertical plate is provided with upper and lower flat plates in the mirror image direction; the edge curling piece is composed of edge curling piece vertical plate, edge curling piece pressing plate and edge curling piece hook plate, the upper end of the edge curling piece vertical plate is provided with the edge curling piece pressing plate on the same side of the mortise and tenon groove upper flat plate in the vertical direction, the lower side of the end of the edge curling piece pressing plate is provided with the edge curling piece hook plate with a downward angle of 90-45 degrees, and the lower end of the trapezoidal vertical plate is provided with a sliding rod along the longitudinal direction of the mortise and tenon groove vertical plate; the mortise and tenon piece and the edge curling piece are connected by welding or bolts, and the mortise and tenon piece and the sliding rod are connected by welding.

[0009] As the preferred scheme of the utility model, the mortise and tenon piece includes trapezoidal vertical plate, mortise and tenon groove vertical plate, mortise and tenon groove upper flat plate, mortise and tenon groove lower flat plate, the upper end of the mortise and tenon groove vertical plate is provided with upper and lower flat plates in the vertical direction, and the other end of the mortise and tenon groove vertical plate is provided with upper and lower flat plates in the mirror image direction; the edge curling piece is composed of edge curling piece vertical plate, edge curling piece pressing plate and edge curling piece hook plate, the upper end of the edge curling piece vertical plate is provided with the edge curling piece pressing plate on the same side of the mortise and tenon groove upper flat plate in the vertical direction, the lower side of the end of the edge curling piece pressing plate is provided with the edge curling piece hook plate with a downward angle of 90-45 degrees, and the lower end of the trapezoidal vertical plate is provided with a sliding rod along the longitudinal direction of the mortise and tenon groove vertical plate; the mortise and tenon piece and the edge curling piece are connected by welding or bolts, and the mortise and tenon piece and the sliding rod are connected by welding.

[0010] The mortise and tenon piece structure and the edge curling piece structure each have several schemes, and each scheme can achieve the sealing effect of the joint and the increase of the connection strength of the support sliding piece and the metal roof panel rib.

[0011] As the preferred scheme of the utility model, the mortise and tenon piece includes trapezoidal vertical plate, mortise and tenon groove vertical plate, mortise and tenon groove upper flat plate, mortise and tenon groove lower flat plate, the upper end of the mortise and tenon groove vertical plate is provided with upper and lower flat plates in the vertical direction, and the other end of the mortise and tenon groove vertical plate is provided with upper and lower flat plates in the mirror image direction; the edge curling piece is composed of edge curling piece vertical plate, edge curling piece pressing plate and edge curling piece hook plate, the upper end of the edge curling piece vertical plate is provided with the edge curling piece pressing plate on the same side of the mortise and tenon groove upper flat plate in the vertical direction, the lower side of the end of the edge curling piece pressing plate is provided with the edge curling piece hook plate with a downward angle of 90-45 degrees, and the lower end of the trapezoidal vertical plate is provided with a sliding rod along the longitudinal direction of the mortise and tenon groove vertical plate; the mortise and tenon piece and the edge curling piece are connected by welding or bolts, and the mortise and tenon piece and the sliding rod are connected by welding.

[0012] As the preferred scheme of the utility model, the mortise and tenon piece adopts 1.0mm~3.0mm steel plate cold bending forming, the edge curl piece adopts 0.5~1.5mm steel plate cold bending forming, the slide rod adopts 5mm~10mm round or rectangular section metal wire cutting formation, the slide rod both ends are equipped with slide piece elastic positioning rod respectively, the slide piece elastic positioning rod is spring or elastic column. The slide rod both ends are tightly pasted with the linear slide groove both ends by spring or elastic column, positioning and limiting are convenient, the spring or elastic column is influenced by the metal roof panel expansion and is deformed to make the slide rod move and eliminate the influence, the spring can be steel wire spring, and the elastic column can be high compression elastic organic material column.

[0013] As the preferred scheme of the utility model, the linear slide groove both ends are equipped with slide piece limiting bolt respectively, the slide piece limiting bolt adopts bolt or screw or pull rivet to fix and block the both end heads of the linear slide groove of the support metal base.

[0014] Compared with the prior art, the utility model realizes the double connection technology of the mortise and tenon connection and the 360 degree edge curl connection between the metal roof support slide piece and the metal roof panel rib, improves the connection reliability of the roof panel and the support, greatly improves the wind lifting resistance of the roof panel, adopts the positioning and limiting device of the initial installation of the roof support sliding piece and the sliding base to guarantee the maximum expansion deformation range of the support under different roof panel installation temperatures, can realize about 50% roof panel length improvement under the condition of equivalent sliding support slide groove size, and greatly improves the limitation of the expansion size of the roof panel support. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is a structural schematic view of the utility model.

[0016] Figure 2 It is a structural schematic view of the utility model support slide piece and support metal base.

[0017] Figure 3 It is a structural schematic view of the utility model slide piece elastic positioning rod and linear slide groove.

[0018] Figure 4 It is a structural schematic view of the utility model support slide piece.

[0019] Figure 5 It is a connecting structure sectional view of the utility model support metal base.

[0020] Figure 6 It is a connecting structure schematic view of the utility model support slide piece.

[0021] Figure 7 It is a side view structural schematic view of the utility model support slide piece.

[0022] Figure 8 Another side view schematic diagram of the utility model. Figure 7 Another side view schematic diagram of the utility model.

[0023] Figure 9 The first connecting structure schematic diagram of the utility model support slide piece and metal roof panel plate rib.

[0024] Figure 10 The another connecting structure schematic diagram of the utility model support slide piece.

[0025] Figure 11 The second side view schematic diagram of the utility model support slide piece.

[0026] Figure 12 Another side view schematic diagram of the utility model. Figure 11 Another side view schematic diagram of the utility model.

[0027] Figure 13 The second connecting structure schematic diagram of the utility model support slide piece and metal roof panel plate rib.

[0028] Figure 14 The third connecting structure schematic diagram of the utility model support slide piece.

[0029] Figure 15 The third side view schematic diagram of the utility model support slide piece.

[0030] Figure 16 Another side view schematic diagram of the utility model. Figure 15 Another side view schematic diagram of the utility model.

[0031] Figure 17 The third connecting structure schematic diagram of the utility model support slide piece and metal roof panel plate rib.

[0032] In the figure: 1, support slide piece 11, mortise and tenon piece 111, mortise and tenon piece one

[0033] 1111, trapezoidal vertical plate one 1112, mortise and tenon groove vertical plate one 1113, mortise and tenon groove upper flat plate one

[0034] 1114, mortise and tenon groove lower flat plate one 112, mortise and tenon piece two 1121, trapezoidal vertical plate two

[0035] 1122, mortise and tenon groove vertical plate two 1123, mortise and tenon groove upper flat plate two

[0036] 1124, mortise and tenon groove lower flat plate two 113, mortise and tenon piece three 1131, trapezoidal vertical plate three

[0037] 1132, mortise and tenon groove vertical plate three 1133, mortise and tenon groove upper flat plate three

[0038] 1134, mortise and tenon groove lower flat plate three 12, hemming piece 121, hemming piece one

[0039] 1211, the first edge folding piece vertical plate 1212, the first edge folding piece supporting plate 1213, the first edge folding piece pressing plate

[0040] 1214, the first edge folding piece hooking plate 122, the second edge folding piece 1221, the second edge folding piece vertical plate

[0041] 1222, the second edge folding piece pressing plate 1223, the second edge folding piece hooking plate 123, the third edge folding piece

[0042] 1231, the third edge folding piece vertical plate 1222, the third edge folding piece pressing plate 1223, the third edge folding piece hooking plate

[0043] 13, the sliding rod 14, the mortise and tenon groove 2, the support metal base 21, the linear sliding groove

[0044] 3, the sliding piece limiting bolt 4, the sliding piece elastic positioning rod 5, the metal roof panel rib

[0045] 51, the rib edge folding 52, the mortise and tenon protrusion 6, the roof purlin 7, the continuous weld. DETAILED DESCRIPTION

[0046] In order to facilitate the understanding of the present application, the present application will be described more fully below with reference to the accompanying drawings, several embodiments of the present application are given, however, the present application can be realized in many different forms and is not limited to the embodiments described herein, on the contrary, the purpose of providing these embodiments is to make the disclosure of the present application more thorough and comprehensive.

[0047] It should be noted that when an element is referred to as being "fixedly attached" to another element, it can be directly on the other element or there can be intervening elements, and when an element is referred to as being "connected" to another element, it can be directly connected to the other element or there can be intervening elements, the terms "vertical", "horizontal", "left", "right" and similar terms used herein are for purposes of illustration only.

[0048] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs, the terminology used in the description of the application herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the application, the term "and / or" as used herein includes any and all combinations of one or more of the associated listed items.

[0049] Please refer to Figures 1-17 The present application provides a technical scheme:

[0050] The mortise and tenon crimping connection node of the slidable support comprises a support metal base 2, a support sliding sheet 1, and a metal roof panel rib 5, the metal roof panel rib 5 connects the support metal base 2 through the support sliding sheet 1, the top of the metal roof panel rib 5 is provided with a crimping 51, and the two sides are provided with mortise and tenon bosses 52 protruding inwardly; the support sliding sheet 1 comprises a mortise and tenon sheet 11, a crimping sheet 12 and a sliding rod 13, the bottom of the crimping sheet 12 is connected with the mortise and tenon sheet 11, the top of the crimping sheet 12 is connected with the metal roof panel rib 5, the mortise and tenon sheet 11 is provided with a mortise and tenon groove 14 matched with the mortise and tenon boss 52, and the bottom of the mortise and tenon sheet 11 is provided with the sliding rod 13; the top of the support metal base 2 is provided with a linear sliding groove 21 matched in shape with the sliding rod 13, the top of the linear sliding groove 21 is provided with an opening, the two ends of the linear sliding groove 21 are closed, and the sliding rod 13 is arranged in the linear sliding groove 21; and the support metal base 2 is fixed on a roof purlin 6.

[0051] As shown in Figure 6 , Figure 7 , Figure 8 , Figure 9 shown, the support sliding sheet 1 adopts a mortise and tenon sheet 111 and a crimping sheet 121, the mortise and tenon sheet 111 comprises a trapezoidal vertical plate 1111, a mortise and tenon groove vertical plate 1112, a mortise and tenon groove upper flat plate 1113 and a mortise and tenon groove lower flat plate 1114, the mortise and tenon groove vertical plate 1112 is vertically provided with the mortise and tenon groove upper flat plate 1113 along the longitudinal length of the mortise and tenon groove vertical plate 1112 at the upper portion, and the mortise and tenon groove lower flat plate 1114 is vertically provided at the lower portion of the two side ends of the mortise and tenon groove vertical plate 1112; the crimping sheet 121 comprises a crimping sheet vertical plate 1211, a crimping sheet supporting plate 1212, a crimping sheet pressing plate 1213 and a crimping sheet hook plate 1214, the crimping sheet supporting plate 1212 is horizontally provided at the vertically mirror image side of the mortise and tenon groove lower flat plate 1114 at the lower portion of the crimping sheet vertical plate 1211, the crimping sheet pressing plate 1213 is vertically provided at the same side of the mortise and tenon groove upper flat plate 1113 at the upper portion of the crimping sheet vertical plate 1211, the end portion of the crimping sheet pressing plate 1213 is provided with the crimping sheet hook plate 1214 which is downwardly turned at an angle of 90-45 degrees, and the sliding rod 13 is longitudinally provided at the lower portion of the trapezoidal vertical plate 1111 along the mortise and tenon groove vertical plate 1112; the mortise and tenon sheet 111 and the crimping sheet 121 are connected by welding or bolts, and the mortise and tenon sheet 111 and the sliding rod 13 are connected by welding.

[0052] As shown in Figure 10 , Figure 11 , Figure 12 , Figure 13As shown, the support sliding piece 1 adopts the mortise and tenon piece two 112 and the hemming piece two 122. The mortise and tenon piece two 112 comprises a trapezoidal vertical plate two 1121, a mortise and tenon groove vertical plate two 1122, a mortise and tenon groove upper flat plate two 1123 and a mortise and tenon groove lower flat plate two 1124. The mortise and tenon groove vertical plate two 1122 is provided with the mortise and tenon groove upper flat plate two 1123 and the mortise and tenon groove lower flat plate two 1124 on one end of the upper part in the vertical direction, and is provided with the mortise and tenon groove upper flat plate two 1123 and the mortise and tenon groove lower flat plate two 1124 in the mirror image direction on the other end of the upper part. The hemming piece two 122 is composed of a hemming piece vertical plate two 1221, a hemming piece pressing plate two 1222 and a hemming piece hook plate two 1223. The hemming piece vertical plate two 1221 is provided with the hemming piece pressing plate two 1222 on the same side of the mortise and tenon groove upper flat plate two 1123 in the vertical direction on the upper part. The end of the hemming piece pressing plate two 1222 is provided with the hemming piece hook plate two 1223 with an angle of 90-45 degrees turned downward on the lower side. The trapezoidal vertical plate two 1121 is provided with the sliding rod 13 in the longitudinal direction along the mortise and tenon groove vertical plate two 1122 on the lower part. The mortise and tenon piece two 112 and the hemming piece two 122 are connected by welding or bolts. The mortise and tenon piece two 112 and the sliding rod 13 are connected by welding.

[0053] As shown in Figure 14 , Figure 15 , Figure 16 , Figure 17 , the support sliding piece 1 adopts the mortise and tenon piece three 113 and the hemming piece three 123. The mortise and tenon piece three 113 comprises a trapezoidal vertical plate three 1131, a mortise and tenon groove vertical plate three 1132, a mortise and tenon groove upper flat plate three 1133 and a mortise and tenon groove lower flat plate three 1134. The mortise and tenon groove vertical plate three 1132 is provided with the mortise and tenon groove upper flat plate three 1133 and the mortise and tenon groove lower flat plate three 1134 on the same side in the vertical direction on both ends. The hemming piece three 123 is composed of a hemming piece vertical plate three 1231, a hemming piece pressing plate three 1232 and a hemming piece hook plate three 1233. The hemming piece vertical plate three 1231 is provided with the hemming piece pressing plate three 1232 on the same side of the mortise and tenon groove upper flat plate three 1133 in the vertical direction on the upper part. The end of the hemming piece pressing plate three 1232 is provided with the hemming piece hook plate three 1233 with an angle of 90-45 degrees turned downward on the lower side. The trapezoidal vertical plate three 1131 is provided with the sliding rod 13 in the longitudinal direction along the trapezoidal vertical plate three 1131 on the lower part. The mortise and tenon piece three 113 and the hemming piece three 123 are connected by welding or bolts. The mortise and tenon piece three 113 and the sliding rod 13 are connected by welding.

[0054] The support slide piece 1 is connected with the metal roof panel rib 5, the metal roof panel rib 5 is formed by butt joint of two adjacent roof panels, the support slide piece 1 is placed in the middle of the two adjacent roof panels, the mortise and tenon groove vertical plate and the mortise and tenon groove lower plate form a one-side or double-side mortise and tenon groove 14, and the three-plate mortise and tenon convex head 52 of the metal roof panel rib 5 is inserted and connected; the upper edge bending piece pressing plate and the upper edge bending piece hook plate of the support slide piece 1 are placed in the middle of the edge bending 51 of the metal roof panel rib 5, and the two metal roof panel ribs edge bending 51 and the edge bending piece pressing plate and the edge bending piece hook plate are connected through 360-degree edge bending connection by machine or manually or are welded and connected through the full-length continuous weld 7 along the metal roof panel rib 5 in the longitudinal direction.

[0055] The mortise and tenon piece 11 is cold-formed by 1.0mm-3.0mm steel plate, the edge bending piece 12 is cold-formed by 0.5-1.5mm steel plate, and the slide rod 13 is cut from 5mm-10mm circular or rectangular section metal wire, and the slide rod 13 is respectively provided with the slide piece elastic positioning rod 4 at both ends, and the slide piece elastic positioning rod 4 is a spring or an elastic column.

[0056] The linear slide groove 21 is respectively provided with the slide piece limiting pin 3 at both ends, and the slide piece limiting pin 3 is used for fixing and plugging the two end heads of the linear slide groove 21 of the support metal base 2 through bolts or screws or rivet bolts.

[0057] Specific implementation process:

[0058] The metal roof panel rib 5 is formed by mutual connection of two adjacent metal roof panel edges through bending and edge bending, the two metal roof panel edges are bent together by 360 degrees to form edge bending, so that the sealing connection of the joint between the two metal roof panel edges is guaranteed, and the two metal roof panel edges are respectively recessed inward at the joint to form the mortise and tenon convex head 52; the support metal base 2 is fixedly connected with the roof structure such as roof purlin 6, the support slide piece 1 plays a role of connecting the support metal base 2 and the metal roof panel rib 5, the mortise and tenon piece 11 is provided with the mortise and tenon groove 14 matched with the mortise and tenon convex head 51 of the metal roof panel rib 5, and the connection strength of the mortise and tenon piece 11 and the metal roof panel rib 5 is increased through cooperation, and the edge bending piece 12 is inserted between the two metal roof panel edges and is bent together with the two metal roof panel edges to form edge bending, so that the sealing effect of the edge bending is guaranteed and the edge bending strength is increased.

[0059] The support slide piece 1 is provided with the slide rod 13 and the slide piece elastic positioning rod 4 at the bottom, and when the metal roof panel expands and shrinks due to heat, the slide rod 13 and the slide piece elastic positioning rod 4 slide in the linear slide groove through the support slide piece 1, so that the thermal expansion and contraction stress is eliminated.

[0060] Although the embodiments of the present application have been shown and described, it is to be understood that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present application, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A mortise and tenon joint with rolled edges for a sliding support, comprising a support metal base, a support sliding plate, and metal roof panel ribs, wherein the metal roof panel ribs are connected to the support metal base via the support sliding plate, characterized in that: The metal roof panel has rolled edges at the top and tenon protrusions protruding inward on both sides; The support slide includes a tenon piece, a rolled edge piece, and a slide rod. The bottom of the rolled edge piece is connected to the tenon piece, and the top of the rolled edge piece is connected to the metal roof panel rib. The tenon piece is provided with a tenon groove that mates with the tenon protrusion. The bottom of the tenon piece is provided with a slide rod. The metal base of the support is provided with a linear groove at the top that matches the shape of the sliding rod. The top of the linear groove is open and the two ends of the linear groove are closed. The sliding rod is located in the linear groove.

2. The mortise and tenon joint with rolled edge of a sliding support according to claim 1, characterized in that: The mortise and tenon joint of the support slide includes a trapezoidal upright plate, a mortise and tenon groove upright plate, a mortise and tenon groove upper plate, and a mortise and tenon groove lower plate. The upper mortise and tenon groove upper plate is provided vertically along the longitudinal direction of the mortise and tenon groove upright plate, and the lower mortise and tenon groove lower plates are provided vertically at the lower ends of both sides of the mortise and tenon groove upright plate. The rolled edge piece includes a rolled edge piece upright plate, a rolled edge piece support plate, a rolled edge piece pressure plate, and a rolled edge piece hook plate. The lower part of the rolled edge piece upright plate is provided with a rolled edge piece support plate on the horizontal mirror side of the lower mortise and tenon groove lower plate, and the upper part of the rolled edge piece upright plate is provided with a rolled edge piece pressure plate on the same side as the upper mortise and tenon groove upper plate. The lower end of the rolled edge piece pressure plate is provided with a rolled edge piece hook plate with a downward angle of 90 to 45 degrees. The lower part of the trapezoidal upright plate is provided with a slide rod along the longitudinal direction of the mortise and tenon groove upright plate. The mortise and tenon pieces and the rolled edge pieces are connected by welding or bolts, and the mortise and tenon pieces and the slide rod are connected by welding.

3. The mortise and tenon joint with rolled edge of a sliding support according to claim 1, characterized in that: The mortise and tenon joint includes a trapezoidal upright plate, a mortise and tenon groove upright plate, a mortise and tenon groove upper plate, and a mortise and tenon groove lower plate. The upper end of the mortise and tenon groove upright plate has upper and lower plates on one side in a vertical direction, and the other end of the mortise and tenon groove upright plate has upper and lower horizontal plates in a mirror direction. The rolled edge piece consists of a rolled edge piece upright plate, a rolled edge piece pressure plate, and a rolled edge piece hook plate. The upper end of the rolled edge piece upright plate has a rolled edge piece pressure plate on the same side as the mortise and tenon groove upper plate at one end in a vertical direction. The lower end of the rolled edge piece pressure plate has a rolled edge piece hook plate with a downward-curving angle of 90-45 degrees. The lower part of the trapezoidal upright plate has a sliding rod along the longitudinal direction of the mortise and tenon groove upright plate. The mortise and tenon joint and the rolled edge piece are connected by welding or bolts, and the mortise and tenon joint and the sliding rod are connected by welding.

4. The mortise and tenon joint with rolled edge of a sliding support according to claim 1, characterized in that: The mortise and tenon joint includes a trapezoidal upright plate, a mortise and tenon groove upright plate, a mortise and tenon groove upper plate, and a mortise and tenon groove lower plate. The mortise and tenon groove upright plate has upper and lower plates respectively on the same side of the vertical direction at both ends. The rolled edge piece is composed of a rolled edge piece upright plate, a rolled edge piece pressure plate, and a rolled edge piece hook plate. The rolled edge piece pressure plate has a rolled edge piece pressure plate on the same side of the vertical direction of the upper part of the rolled edge piece upright plate and the mortise and tenon groove upper plate. The rolled edge piece hook plate with a downward angle of 90 to 45 degrees is provided on the lower side of the end of the rolled edge piece pressure plate. The trapezoidal upright plate has a sliding rod along the longitudinal direction of the upright plate at the bottom. The mortise and tenon joint and the rolled edge piece are connected by welding or bolts. The mortise and tenon joint and the sliding rod are connected by welding.

5. The mortise and tenon joint with rolled edge of a sliding support according to claim 2, characterized in that: The support sliding plate is connected to the metal roof panel rib. The metal roof panel rib is formed by butt joints of two adjacent roof panels. The support sliding plate is placed in the middle of the two adjacent roof panels. The tenon and mortise groove upright plate and the tenon and mortise groove lower plate form a tenon and mortise groove on one or both sides, which are inserted and connected to the three plates of the metal roof panel rib. The rolled edge plate and rolled edge hook plate on the upper part of the support sliding plate are placed in the middle of the rolled edge of the metal roof panel rib. The rolled edges of the two roof panel ribs are connected to the rolled edge plate and rolled edge hook plate by 360-degree rolled edge connection or welded along the longitudinal continuous weld of the metal roof panel rib.

6. The mortise and tenon joint with rolled edge of a sliding support according to claim 1, characterized in that: The tenon and mortise pieces are cold-bent from steel plates with a thickness of 1.0mm to 3.0mm, the rolled edge pieces are cold-bent from steel plates with a thickness of 0.5mm to 1.5mm, the sliding rods are formed by cutting metal wire with a circular or rectangular cross-section of 5mm to 10mm, and each end of the sliding rod is provided with a sliding plate elastic positioning rod, which is a spring or an elastic column.

7. The mortise and tenon joint with rolled edge of a sliding support according to claim 1, characterized in that: The linear slide is provided with sliding plate limit bolts at both ends, and the sliding plate limit bolts are used to fix and seal the ends of the linear slide of the metal base of the support by bolts, screws or rivets.

Images