Roof square steel purline lap joint device

Abstract

The utility model relates to the technical field of steel structure buildings, and discloses a roof square steel purline lap joint device, which is arranged at the end parts of a first square tube purline and a second square tube purline, is positioned on a roof steel beam, and comprises a first closing plate welded on the end surface of the first square tube purline and a second closing plate welded on the end surface of the second square tube purline, a purlin supporting plate is further welded to the roof steel beam. According to the roof square steel purline lap joint device, by arranging the first closing plate, the first lap joint plate, the second closing plate, the second lap joint plate and other structures, lap joint of square pipe purlines can be achieved under the condition that it is guaranteed that the inertia moment of the section is not changed, namely under the condition that stress is not changed, and the service life of the square pipe purlines is prolonged. Wherein the first sealing plate and the second sealing plate can prevent water and other liquid from entering the interior of the square pipe purline to corrode the square pipe purline, and the second lap joint plate is provided with the drainage hole, so that accumulated water in the lap joint section can be conveniently drained.

Description

TECHNICAL FIELD

[0001] The utility model relates to steel structure building technical field, concretely is a kind of roof square steel purlin lap joint connecting device. BACKGROUND

[0002] Steel structure building is more and more widely used due to its assembly rate, profiled steel plate is connected with roof purlin and roof steel beam, the main structure span and roof load of part steel structure building are larger, the section of roof purlin adopts square steel tube, and the connection between roof purlin is lap joint to improve bearing capacity.

[0003] Roof square steel tube purlin lap joint is implemented in site, and the following problems are encountered: first, it is different from Z type or C type section purlin, closed section square steel tube cannot be lap jointed; second, installation hole during lap joint is prone to cause closed section square steel tube internal water corrosion, reduce strength and service life. UTILITY MODEL CONTENTS

[0004] In view of the deficiency of prior art, the utility model provides a kind of roof square steel purlin lap joint connecting device, solve the problem mentioned in the above background.

[0005] The utility model provides the following technical scheme: a kind of roof square steel purlin lap joint connecting device is set to first square tube purlin and second square tube purlin end, and it is located on roof steel beam, it include: first closed plate welded to the end surface of first square tube purlin, and second closed plate welded to the end surface of second square tube purlin, still be welded with purlin support plate on the roof steel beam, the side surface of first closed plate is fixedly installed with first lap joint plate, and auxiliary groove for passing through hexagon wrench is set in first lap joint plate, the side surface of second closed plate is fixedly installed with second lap joint plate, drainage hole is set in second lap joint plate, first lap joint plate and second lap joint plate are clamped together;

[0006] The inner surface of second lap joint plate is provided with connecting module, the connecting module includes the base fixedly connected with the inner surface of second lap joint plate, the base is rotatably provided with transmission gear and driving gear in the inside, the auxiliary nut and friction ring are also fixedly installed on the side wall of the base inner chamber, the connecting bolt is threadedly connected on the auxiliary nut, the square rod is slidably connected on the connecting bolt, the square rod is fixedly connected with transmission gear, the driving gear is meshing transmission connection with transmission gear, and the auxiliary shaft is fixedly installed on the side surface of driving gear, the slide rod is slidably arranged in the auxiliary shaft, the hexagonal slide plate is fixedly installed on the end of the slide rod passing through the auxiliary shaft, the friction block is fixedly installed on the end of the slide rod passing through driving gear, the connecting module further includes the reset spring with both ends fixedly connected with hexagonal slide plate and auxiliary shaft.

[0007] Preferably, the first lap plate is designed in a U-shaped structure, and the second lap plate is designed in an L-shaped structure.

[0008] Preferably, a through hole for passing a connecting bolt is formed on the second lap plate, and the connecting bolt is threadedly connected with the first lap plate and the purlin plate.

[0009] Preferably, a hexagonal socket for inserting a hexagonal wrench is formed on the auxiliary shaft, and the hexagonal sliding plate is slidingly connected with the auxiliary shaft.

[0010] Preferably, the inner ring diameter of the friction ring is greater than the diameter of the sliding rod.

[0011] Preferably, the friction block is located at the inner cavity of the base, and a first friction pattern for enhancing friction is arranged on the side surface of the friction block close to the friction ring.

[0012] Preferably, a second friction pattern matched with the first friction pattern of the friction block is arranged on the side surface of the friction ring.

[0013] Preferably, an auxiliary hole for achieving sliding connection with the sliding rod is formed on the driving gear.

[0014] Compared with the prior art, the utility model has the following beneficial effects:

[0015] 1. The roof square steel purlin lap joint device sets the first closed plate, the first lap plate, the second closed plate and the second lap plate, can realize the lap joint of the square tube purlin under the condition that the section inertia moment is unchanged, that is, the stress is unchanged, the first closed plate and the second closed plate can prevent water and other liquids from entering the square tube purlin to corrode the square tube purlin, and the second lap plate is provided with a drainage hole, facilitating the drainage of accumulated water in the lap joint section.

[0016] 2. The roof square steel purlin lap joint device sets the connecting module on the inner side of the second lap plate, so that the components contained in the connecting module can adjust the state of the two connecting bolts at the same time, so that the two connecting bolts can be screwed into the first lap plate and the purlin plate inside the roof steel beam at the same time, so that the whole installation process is convenient and fast, and the installation efficiency is improved. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is a whole structure schematic view of the utility model;

[0018] Figure 2 It is a whole structure explosion view of the utility model;

[0019] Figure 3 It is a whole structure section view of the utility model;

[0020] Figure 4The utility model discloses a square rod structure explosion map.

[0021] Figure 5 The utility model discloses a reset spring structure explosion map.

[0022] In the drawing: 1, roof steel beam;2, first square tube purlin;3, purlin support plate;4, second square tube purlin;5, first closed plate;6, first lap plate;7, second closed plate;8, second lap plate;9, connecting module;91, base;92, connecting bolt;93, auxiliary nut;94, square rod;95, transmission gear;96, drive gear;97, auxiliary shaft;98, hexagonal slide plate;99, reset spring;910, slide rod;911, friction block;912, friction ring. DETAILED DESCRIPTION

[0023] The technical solutions in the embodiments of the utility model will be apparently and completely described below with reference to the drawings in the embodiments of the utility model. Apparently, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the person skilled in the art without creative work belong to the range protected by the utility model.

[0024] Please refer to Figures 1-5 A roof square steel purlin lap joint device is arranged at the end of the first square tube purlin 2 and the second square tube purlin 4 and is located on the roof steel beam 1 and comprises: the first closed plate 5 welded to the end face of the first square tube purlin 2 and the second closed plate 7 welded to the end face of the second square tube purlin 4, the purlin support plate 3 is further welded on the roof steel beam 1, the side surface of the first closed plate 5 is fixedly installed with the first lap plate 6, and the auxiliary groove for passing through the hexagonal wrench is formed in the first lap plate 6, the side surface of the second closed plate 7 is fixedly installed with the second lap plate 8, and the drainage hole is formed in the second lap plate 8, and the first lap plate 6 is clamped with the second lap plate 8;The first lap plate 6 is designed as a U-shaped structure, and the second lap plate 8 is designed as an L-shaped structure, so that the first lap plate 6 can be stably lapped with the second lap plate 8, and the lap joint purpose between the first square tube purlin 2 and the second square tube purlin 4 is realized.

[0025] The inner surface of the second lap plate 8 is provided with a connecting module 9, the connecting module 9 comprises a base 91 fixedly connected with the inner surface of the second lap plate 8, the inside of the base 91 is rotatably provided with a transmission gear 95 and a driving gear 96, the side wall of the inner cavity of the base 91 is further fixedly installed with an auxiliary nut 93 and a friction ring 912, the auxiliary nut 93 is threadedly connected with a connecting bolt 92, the connecting bolt 92 is slidably connected with a square rod 94, the square rod 94 is fixedly connected with the transmission gear 95, the driving gear 96 is in meshing transmission connection with the transmission gear 95, and the side surface of the driving gear 96 is fixedly installed with an auxiliary shaft 97, the inside of the auxiliary shaft 97 is slidably provided with a sliding rod 910, the end of the sliding rod 910 penetrating through the auxiliary shaft 97 is fixedly installed with a hexagonal sliding plate 98, the end of the sliding rod 910 penetrating through the driving gear 96 is fixedly installed with a friction block 911, the connecting module 9 further comprises a reset spring 99, the two ends of the reset spring 99 are fixedly connected with the hexagonal sliding plate 98 and the auxiliary shaft 97 respectively, the second lap plate 8 is provided with a through hole for penetrating through the connecting bolt 92, the connecting bolt 92 can be threadedly connected with the first lap plate 6 and the purlin plate 3, the auxiliary shaft 97 is provided with a hexagonal socket for plugging with a hexagonal wrench, the hexagonal sliding plate 98 is slidably connected with the auxiliary shaft 97, the inner ring diameter of the friction ring 912 is greater than the diameter of the sliding rod 910, the friction block 911 is located at the inner cavity of the base 91, and the side surface of the friction block 911 close to the friction ring 912 is provided with a first friction pattern for enhancing friction, the side surface of the friction ring 912 is provided with a second friction pattern matched with the first friction pattern of the friction block 911, the driving gear 96 is provided with an auxiliary hole for realizing sliding connection with the sliding rod 910, which can ensure the flexibility of the sliding rod 910 and at the same time guarantee that the sliding rod 910 drives the driving gear 96 to rotate together, thereby realizing the effect of transmission.

[0026] The working principle is that the first closing plate 5 is welded on the end face of the first square tube purlin 2, the first lap plate 6 with the auxiliary groove is integrally formed by welding with the first closing plate 5, the second closing plate 7 is welded on the end face of the second square tube purlin 4, the second lap plate 8 with the drainage hole is also integrally formed by welding with the second closing plate 7, the first lap plate 6 can be lapped on the second lap plate 8, finally the second lap plate 8, the first lap plate 6 and the purlin support plate 3 welded on the roof steel beam 1 can be fastened and connected together by the connecting bolt 92, so that the square steel purlin lapping work is completed; when the whole structure is connected by the connecting bolt 92, the hexagonal wrench is inserted into the auxiliary shaft 97, the hexagonal slide plate 98 is squeezed, the friction block 911 fixedly connected with the hexagonal slide plate 98 through the slide rod 910 is slid, the gap between the friction block 911 and the friction ring 912 fixed in the base 91 is generated, at this time the auxiliary shaft 97 can be driven to rotate in the base 91, the drive gear 96 fixed on the end of the drive gear 96 is meshed and connected with the two transmission gears 95 respectively, the square rod 94 is fixed on each transmission gear 95, the connecting bolt 92 slidably connected with the square rod 94 is also threadedly connected with the auxiliary nut 93 fixed in the base 91, therefore when the drive gear 96 drives the transmission gear 95 to rotate, the connecting bolt 92 is rotated out of the base 91, and then is rotated into the first lap plate 6 and the purlin support plate 3, at this time the first lap plate 6 and the second closing plate 7 can be fastened and installed on the purlin support plate 3 by the connecting bolt 92, finally the hexagonal wrench is pulled out, the hexagonal slide plate 98 loses the limitation, under the elastic force of the reset spring 99 fixedly connected with the hexagonal slide plate 98 and the auxiliary shaft 97 at both ends, the hexagonal slide plate 98, the slide rod 910 and the friction block 911 are slid, the first friction pattern on the friction block 911 and the second friction pattern on the friction ring 912 are in close contact and cooperate to form a certain friction force, so as to limit the rotation of the friction block 911 and the auxiliary shaft 97, and lock the whole device, and improve the overall stability.

[0027] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the utility model, the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A roof square steel purlin lap joint device, which is arranged at the end of a first square tube purlin (2) and a second square tube purlin (4) and is located on a roof steel beam (1), characterized in that, The utility model relates to a roof steel beam (1) which comprises a first closed plate (5) welded to the end face of a first square tube purlin (2) and a second closed plate (7) welded to the end face of a second square tube purlin (4), a purlin support plate (3) is further welded to the roof steel beam (1), a first lap plate (6) is fixedly installed on the side face of the first closed plate (5), an auxiliary slot for passing through a hexagonal wrench is formed in the first lap plate (6), a second lap plate (8) is fixedly installed on the side face of the second closed plate (7), a drainage hole is formed in the second lap plate (8), and the first lap plate (6) and the second lap plate (8) are clamped together. An inner surface of the second lap plate (8) is provided with a connecting module (9), the connecting module (9) comprises a base (91) fixedly connected to the inner surface of the second lap plate (8), a transmission gear (95) and a driving gear (96) are rotatably arranged in the base (91), an auxiliary nut (93) and a friction ring (912) are further fixedly installed on the side wall of the inner cavity of the base (91), the auxiliary nut (93) is threadedly connected with a connecting bolt (92), a square rod (94) is slidably connected to the connecting bolt (92), the square rod (94) is fixedly connected with the transmission gear (95), the driving gear (96) is in meshing transmission connection with the transmission gear (95), an auxiliary shaft (97) is fixedly installed on the side face of the driving gear (96), a sliding rod (910) is slidably arranged in the auxiliary shaft (97), a hexagonal sliding plate (98) is fixedly installed on the end of the sliding rod (910) penetrating through the auxiliary shaft (97), a friction block (911) is fixedly installed on the end of the sliding rod (910) penetrating through the driving gear (96), and the connecting module (9) further comprises a reset spring (99) fixedly connected to the hexagonal sliding plate (98) and the auxiliary shaft (97) at two ends. The first lap plate (6) is designed in a U-shaped structure, and the second lap plate (8) is designed in an L-shaped structure.

2. A lap joint connection device for a square purlin of a roof according to claim 1, characterized in that, A through hole for passing through the connecting bolt (92) is formed in the second lap plate (8), and the connecting bolt (92) can be threadedly connected with the first lap plate (6) and the purlin support plate (3).

3. A lap joint connection device for a square purlin of a roof according to claim 1, wherein A hexagonal socket for plugging with a hexagonal wrench is formed in the auxiliary shaft (97), and the hexagonal sliding plate (98) is slidably connected with the auxiliary shaft (97).

4. The lap joint connection device for a square purltin of a roof according to claim 1, wherein An inner ring diameter of the friction ring (912) is greater than a diameter of the sliding rod (910).

5. The lap joint connection device for a square purltin of a roof according to claim 1, wherein The friction block (911) is located at an inner cavity of the base (91), and a first friction pattern for enhancing friction is arranged on the side face of the friction block (911) close to the friction ring (912).

6. A lap joint connection device for a square purlin of a roof according to claim 1, wherein A second friction pattern matched with the first friction pattern of the friction block (911) is arranged on the side face of the friction ring (912).

7. A lap joint connection device for a square purlin of a roof according to claim 1, wherein An auxiliary hole for realizing the sliding connection with the sliding rod (910) is formed in the driving gear (96).

8. A lap joint connection device for a square purlin of a roof according to claim 1, wherein ​

Images