阅读说明：本技术 一种建筑钢结构预制件 (Prefabricated member for building steel structure ) 是由 王柏彰 苏刚 于 2020-07-02 设计创作，主要内容包括：本发明涉及一种建筑钢结构预制件,包括固定装置、U形架装置、限位装置和定位装置,固定装置右端安装有U形架装置,U形架装置上端安装有限位装置,限位装置左端安装有定位装置,所述固定装置包括固定板一、矩形卡块一、小螺旋杆一、长矩形块一、大螺旋杆、阶梯长杆一、夹紧架一和连接杆一,本发明提供的一种建筑钢结构预制件,通过固定装置、U形架装置、限位装置和定位装置的配合,对横向钢件与竖向钢件进行固定、夹紧以及对齐,提高了对钢结构进行装配过程中的效率。(The invention relates to a prefabricated member of a building steel structure, which comprises a fixing device, a U-shaped frame device, a limiting device and a positioning device, wherein the U-shaped frame device is installed at the right end of the fixing device, the limiting device is installed at the upper end of the U-shaped frame device, the positioning device is installed at the left end of the limiting device, and the fixing device comprises a first fixing plate, a first rectangular clamping block, a first small spiral rod, a first long rectangular block, a first large spiral rod, a first stepped long rod, a first clamping frame and a first connecting rod.)

1. The utility model provides a building steel structure prefab, includes fixing device (1), U-shaped frame device (2), stop device (3) and positioner (4), its characterized in that: the right end of the fixing device (1) is provided with a U-shaped frame device (2), the upper end of the U-shaped frame device (2) is provided with a limiting device (3), and the left end of the limiting device (3) is provided with a positioning device (4); wherein:

the fixing device (1) comprises a first fixing plate (11), a first rectangular clamping block (12), a first small screw rod (13), a first long rectangular block (14), a large screw rod (15), a first ladder long rod (16), a first clamping frame (17) and a first connecting rod (18), wherein the first rectangular clamping block (12) is fixedly installed at the right end of the first fixing plate (11), the first small screw rod (13) is connected to the left side of the first fixing plate (11) in a sliding fit mode, the first long rectangular block (14) is connected to the first small screw rod (13) in a threaded connection mode, a threaded hole is formed in the middle of the fixing plate, the large screw rod (15) is connected to the threaded hole in a threaded connection mode, the first ladder long rod (16) is fixedly installed at the front and back of the right end of the fixing plate, the first clamping frame (17) is connected to the right end of the first ladder long rod (16) in a sliding fit mode, the tail end of the first connecting rod (18) is fixedly connected with the first long rectangular block (14);

the U-shaped frame device (2) comprises a U-shaped plate (21), a clamping block (22), a long connecting rod (23), a short connecting rod (24), a circular ring block (25), a push rod (26), a 7-shaped plate (27) and a locking frame (28), the right end of the fixing device (1) is fixedly provided with the U-shaped plate (21), the front side and the rear side of the upper end of the U-shaped plate (21) are symmetrically provided with rectangular grooves, the front side and the rear side of the upper side of each rectangular groove are symmetrically provided with small rectangular grooves, the clamping block (22) is connected in a sliding fit manner in each small rectangular groove, the tail end of each clamping block (22) is provided with the long connecting rod (23) through a pin shaft, the middle part of each long connecting rod (23) is connected with the U-shaped plate (21) through a pin shaft, the tail end of each long connecting rod (23) is provided with the, a 7-shaped plate (27) is fixedly arranged at the tail end of the push rod (26), and a locking frame (28) is arranged at the lower end of the 7-shaped plate (27) in a sliding fit manner;

clamping frame one (17) includes fixed block (171), rectangle fixture block two (172), rectangle long slab (173), circular stock (174), annular block (175), cylindrical spring (176) and rectangular block (177), ladder long slab (16) right-hand member is connected with fixed block (171) with sliding fit's mode, fixed block (171) left end fixed mounting has rectangle fixture block two (172), rectangle long slab (173) are installed to fixed block (171) left side front and back symmetry, circular through-hole has been seted up at rectangle long slab (173) middle part, circular stock (174) are installed with sliding fit's mode in the circular through-hole, circular stock (174) one end fixed mounting has annular block (175), circular stock (174) overcoat has cylindrical spring (176), circular stock (174) other end fixed mounting has rectangular block (177).

2. The structural steel member precast product for building according to claim 1, wherein: positioner (4) are including fixed plate two (41), little screw rod two (42), long rectangular block two (43), ladder stock two (44), clamping frame two (45) and connecting rod two (46), fixed plate two (41) left side is connected with little screw rod two (42) with sliding fit's mode, be connected with long rectangular block two (43) with threaded connection's mode on little screw rod two (42), symmetrical fixed mounting has ladder stock two (44) around fixed plate two (41) right-hand member, ladder stock two (44) right-hand member is connected with clamping frame two (45) with sliding fit's mode, connecting rod two (46) are installed to symmetrical around clamping frame two (45) left end, connecting rod two (46) terminal and long rectangular block two (43) fixed connection.

3. The structural steel member precast product for building according to claim 1, wherein: locking frame (28) are including little rectangular block (281), rectangular plate (282) and spring (283), and 7 word shaped plate (27) lower extreme is connected with little rectangular block (281) with sliding fit's mode, and little rectangular block (281) lower extreme fixed mounting has rectangular plate (282), and cylindrical recess has been seted up at rectangular plate (282) outside middle part, and fixed mounting has spring (283) in the cylindrical recess, and spring (283) end and U shaped plate (21) fixed connection.

4. The structural steel member precast product for building according to claim 1, wherein: stop device (3) are including long rectangular plate (31), hob (32), handle (33), cylinder piece (34) and square piece (35), long rectangular plate (31) is installed to U-shaped frame device (2) upper end, circular through-hole has been seted up to both sides symmetry around long rectangular plate (31) upper end, be connected with hob (32) with threaded connection's mode in the circular through-hole, hob (32) upper end fixed mounting has handle (33), hob (32) lower extreme fixed mounting has cylinder piece (34), rectangular groove has been seted up to both sides symmetry around long rectangular plate (31) lower extreme, fixed mounting has square piece (35) in the rectangular groove, little rectangular groove has been seted up to both sides symmetry around square piece (35).

5. The structural steel member precast product for building according to claim 1, wherein: little spring is installed to rectangle piece (177) left and right sides symmetry, and little spring end fixed mounting has rectangular block, and rectangular block end fixed mounting has little rubber piece.

6. The structural steel member precast product for building according to claim 1, wherein: arc-shaped grooves are uniformly formed in the front side and the rear side of the second rectangular fixture block (172), small steel balls are connected in the arc-shaped grooves in a sliding fit mode, the arc-shaped grooves are formed in the innermost side of the second rectangular fixture block (172), circular springs are fixedly mounted in the arc-shaped grooves, semi-arc blocks are fixedly mounted at the tail ends of the circular springs, the semi-arc blocks are connected with the small steel balls in a sliding fit mode, and the small arc-shaped grooves are formed in the vertical steel piece clamping grooves.

7. The structural steel member precast product for building according to claim 1, wherein: arc-shaped grooves are uniformly formed in the first ladder long rod (16) along the outer surface, and small cylinders are mounted in the arc-shaped grooves through pin shafts.

Technical Field

The invention relates to the technical field of steel structure prefabricated members, in particular to a building steel structure prefabricated member.

Background

The steel structure building is a novel building system, and is a building with a bearing structure formed by building steel, namely a prefabricated assembly type building steel structure, wherein part or all components of the building are produced in a component prefabricating factory, and the components are assembled by adopting a reliable installation mode and an installation machine to form a building construction mode with a use function.

In the process of assembling the steel structure prefabricated member, due to the structural limitation, in the actual operation process, there are the following problems:

(1) traditional steel construction prefabricated part is generally adopting the manual work when aligning the steel component, and the manual work is aligned and is extremely easily received steel component structure and operational environment's influence, leads to work efficiency lower.

(2) Traditional steel construction prefabricated part is when assembling, because of the restriction that receives the steel construction, makes the steel construction not reach fine tight effect of clamp when the assembly to influence the stability of steel construction.

Disclosure of Invention

The technical scheme adopted by the invention to solve the technical problem is as follows: a prefabricated member of a building steel structure comprises a fixing device, a U-shaped frame device, a limiting device and a positioning device, wherein the U-shaped frame device is installed at the right end of the fixing device, the limiting device is installed at the upper end of the U-shaped frame device, and the positioning device is installed at the left end of the limiting device; wherein:

the fixing device comprises a first fixing plate, a first rectangular clamping block, a first small spiral rod, a first long rectangular block, a large spiral rod, a first long stepped rod, a first clamping frame and a first connecting rod, wherein the first rectangular clamping block is fixedly installed at the right end of the first fixing plate; carry on spacingly through a pair of rectangle fixture block of fixed plate and little screw rod one, carry on spacingly through a pair of vertical steel part left sides of rectangle fixture block, fix through a pair of ladder stock one of fixed plate, when long rectangular block one moves left, drive clamping frame left motion earlier on, thereby extrude through a pair of circular stock of ladder stock, through rotatory little screw rod one, make long rectangular block left side move earlier on, thereby drive clamping frame one and also move left, finally make a pair of vertical steel part downside of clamping frame fix a position, it is spacing to carry out through a pair of big screw rod of fixed plate, through rotatory big screw rod, make positioner remove downwards, thereby it is tight to carry out the clamp from top to bottom to horizontal steel part.

The U-shaped frame device comprises a U-shaped plate, a clamping block, a long connecting rod, a short connecting rod, a circular ring block, a push rod, a 7-shaped plate and a locking frame, the U-shaped plate is fixedly installed at the right end of the fixing device, rectangular grooves are symmetrically formed in the front side and the rear side of the upper end of the U-shaped plate, small rectangular grooves are symmetrically formed in the front side and the rear side of the upper side of each rectangular groove, the clamping block is connected in the small rectangular grooves in a sliding fit mode, the long connecting rod is installed at the tail end of the clamping block through a pin shaft, the middle part of the long connecting rod is connected with the U-shaped plate through a pin shaft, the short connecting rod is installed at the tail end of the long connecting rod through a pin shaft, the circular ring block is fixedly; when the cylinder piece moves down, cylinder piece both sides and short connecting rod contact to promote short connecting rod outwards moving, long connecting rod leanin this moment, thereby drive the fixture block inwards and remove, make the fixture block card in the little rectangle recess of square piece, through cylinder piece downstream, thereby promote the push rod and move down, make the push rod drive 7 font boards and move down, thereby promote the locking frame inwards and be in locking state with horizontal steel component.

The clamping frame I comprises a fixed block, a rectangular fixture block II, a rectangular long plate, a circular long rod, an annular block, a cylindrical spring and a rectangular block, the right end of the stepped long rod I is connected with the fixed block in a sliding fit mode, the rectangular fixture block II is fixedly installed at the left end of the fixed block, the rectangular long plate is symmetrically installed on the front side and the rear side of the left side of the fixed block, a circular through hole is formed in the middle of the rectangular long plate, the circular long rod is installed in the circular through hole in a sliding fit mode, the annular block is fixedly installed at one end of the circular long rod, the cylindrical spring is; carry on spacingly through the fixed block to the rectangle rectangular slab, carry on spacingly through two pairs of vertical steel component right sides of rectangle fixture block, fix a position circular stock through the rectangle rectangular slab, when long rectangular block one moves left, drive the fixed block and move left to make a pair of circular stock of ladder stock extrude, finally drive the annular block downstream, the cylinder spring plays the cushioning effect this moment.

According to a preferred technical scheme, the positioning device comprises a second fixing plate, a second small spiral rod, a second rectangular long block, a second stepped long rod, a second clamping frame and a second connecting rod, wherein the left side of the second fixing plate is connected with the second small spiral rod in a sliding fit manner, the second small spiral rod is connected with the second rectangular long block in a threaded connection manner, the second stepped long rod is symmetrically and fixedly installed at the front and back of the right end of the second fixing plate, the second clamping frame is connected at the right end of the second stepped long rod in a sliding fit manner, the second connecting rod is symmetrically installed at the front and back of the left end of the second clamping frame, and the tail end of the second connecting rod is fixedly connected with the; two pairs of small screw rods II are limited through the fixing plate, two pairs of ladder long rods II are fixed through the fixing plate, the long rectangular block II is moved leftwards through rotating the small screw rods II, and the clamping frame II is also moved leftwards simultaneously, so that the vertical upper side steel piece is positioned.

As a preferred technical scheme, the locking frame comprises a small rectangular block, a rectangular plate and a spring, the lower end of the 7-shaped plate is connected with the small rectangular block in a sliding fit mode, the rectangular plate is fixedly installed at the lower end of the small rectangular block, a cylindrical groove is formed in the middle of the outer side of the rectangular plate, the spring is fixedly installed in the cylindrical groove, and the tail end of the spring is fixedly connected with the U-shaped plate; the small rectangular blocks are pushed to move inwards by the downward movement pressure of the 7-shaped plate, and at the moment, the rectangular plate and the transverse steel piece are locked by the reactive force of the spring.

According to a preferred technical scheme, the limiting device comprises a rectangular long plate, a spiral rod, a handle, a cylindrical block and a square block, the rectangular long plate is mounted at the upper end of the U-shaped frame device, circular through holes are symmetrically formed in the front side and the rear side of the upper end of the rectangular long plate, the spiral rod is connected in the circular through holes in a threaded connection mode, the handle is fixedly mounted at the upper end of the spiral rod, the cylindrical block is fixedly mounted at the lower end of the spiral rod, rectangular grooves are symmetrically formed in the front side and the rear side of the lower end of the rectangular long plate, the square block is fixedly mounted in the rectangular grooves, and small rectangular grooves are symmetrically formed; carry on spacingly through the long board of rectangle to the hob, make the hob downstream through rotatory handle to promote the cylinder piece downstream.

As a preferred technical scheme of the invention, the rectangular block comprises a small spring, a rectangular block and a rubber block, wherein the small spring is symmetrically arranged on the left side and the right side of the rectangular block, the rectangular block is fixedly arranged at the tail end of the small spring, and the small rubber block is fixedly arranged at the tail end of the rectangular block; fix the small spring through the rectangular block, fix the rectangular block through the small spring, fix the block rubber through the rectangular block, when the rectangular block inwards slides, utilize the reaction force of small spring, make block rubber and steel part closely laminate.

According to a preferred technical scheme, arc-shaped grooves are uniformly formed in the front side and the back side of the second rectangular clamping block, small steel balls are connected into the arc-shaped grooves in a sliding fit mode, the arc-shaped grooves are formed in the innermost side of the second rectangular clamping block, a circular spring is fixedly installed in the arc-shaped grooves, a semi-arc block is fixedly installed at the tail end of the circular spring, the semi-arc block is connected with the small steel balls in a sliding fit mode, and the small arc-shaped grooves are formed in the vertical steel piece clamping grooves; through the inward movement of the second rectangular clamping block, the friction force between the second rectangular clamping block and the clamping groove is reduced by using the small steel balls, when the second rectangular clamping block moves to the inner side, the small steel balls in the most inner side hemispherical circular arc of the second rectangular clamping block are under the action of the circular spring, so that the small steel balls are just clamped on the small circular arc groove, the impact of the two pairs of vertical steel parts of the second rectangular clamping block is reduced, and meanwhile, the second rectangular clamping block and the vertical steel parts are positioned.

As a preferred technical scheme of the invention, an arc-shaped groove is uniformly formed along the outer surface of the first ladder long rod, and a small cylinder is arranged in the arc-shaped groove through a pin shaft; the pair of small cylinders of the ladder long rod is limited, and the friction force between the first ladder long rod and the circular long rod is reduced through the small cylinders.

Compared with the prior art, the invention has the following advantages:

1. according to the building steel structure prefabricated part, the fixing device, the U-shaped frame device, the limiting device and the positioning device are matched to fix, clamp and align the transverse steel part and the vertical steel part, so that the efficiency of the steel structure in the assembling process is improved.

2. According to the invention, through the arranged fixing device, the positioning device moves downwards by rotating the large screw rod, so that the transverse steel piece is clamped up and down, and the positioning device moves downwards by rotating the small screw rod, so that the vertical steel piece is clamped left and right, and the building steel structure has better clamping effect and stability.

3. According to the invention, through the arranged fixing device, the first long rectangular block drives the clamping frame to move leftwards by rotating the first small spiral rod rightwards, the clamping frame is finally positioned at the lower side of the vertical steel piece, the large spiral rod is limited by the fixing plate, and the positioning device moves downwards by rotating the large spiral rod to clamp the horizontal steel piece up and down, so that a better clamping effect is achieved, and the stability of a steel structure is greatly improved.

4. According to the invention, through the U-shaped frame device, the cylindrical block moves downwards, so that the push rod is pushed to move downwards, the push rod drives the 7-shaped plate to move downwards, and the locking frame is pushed inwards to lock with the transverse steel piece, thereby achieving a better clamping effect.

Drawings

The invention is further illustrated with reference to the following figures and examples.

FIG. 1 is a schematic plan view of the present invention in front elevation;

FIG. 2 is a cross-sectional view taken along line A-A of FIG. 1 in accordance with the present invention;

FIG. 3 is a cross-sectional view taken along line B-B of FIG. 1 in accordance with the present invention;

FIG. 4 is a cross-sectional view taken along line C-C of FIG. 1 in accordance with the present invention;

FIG. 5 is an enlarged view of a portion of the invention at M of FIG. 2;

FIG. 6 is an enlarged fragmentary view at F of FIG. 2 of the present invention;

fig. 7 is a partial enlarged view of the invention at point N of fig. 4.

Detailed Description

In order to make the technical means, the creation features, the achievement purposes and the effects of the invention easy to understand, the invention is further explained with reference to fig. 1 to 7.

The utility model provides a building steel structure prefab, includes fixing device 1, U-shaped frame device 2, stop device 3 and positioner 4, U-shaped frame device 2 is installed to 1 right-hand member of fixing device, and stop device 3 is installed to 2 upper ends of U-shaped frame device, and positioner 4 is installed to 3 left ends of stop device, wherein:

the fixing device 1 comprises a first fixing plate 11, a first rectangular clamping block 12, a first small screw rod 13, a first long rectangular block 14, a first large screw rod 15, a first stepped long rod 16, a first clamping frame 17 and a first connecting rod 18, wherein the first rectangular clamping block 12 is fixedly installed at the right end of the first fixing plate 11, the first small screw rod 13 is connected to the left side of the first fixing plate 11 in a sliding fit manner, the first long rectangular block 14 is connected to the first small screw rod 13 in a threaded connection manner, a threaded hole is formed in the middle of the fixing plate, the large screw rod 15 is connected to the threaded hole in a threaded connection manner, the first stepped long rod 16 is symmetrically and fixedly installed at the front and back of the right end of the fixing plate, the first clamping frame 17 is connected to the right end of the first stepped long rod 16 in a sliding fit manner, the first connecting rod 18 is symmetrically installed at the front and; carry on spacingly through a fixed plate 11 to a rectangle fixture block 12 and little screw rod 13, carry on spacingly to vertical steel part left side through a rectangle fixture block 12, fix a ladder stock 16 through a fixed plate 11, when a long rectangular block 14 moves left, drive and press from both sides tight frame 17 and move left, thereby extrude circular stock 174 through a ladder stock 16, through rotatory little screw rod 13, make a long rectangular block 14 move left, thereby drive and press from both sides tight frame 17 and also move left, finally make and press from both sides tight frame 17 and fix a position vertical steel part downside, carry on spacingly to big screw rod 15 through a fixed plate 11, through rotatory big screw rod 15, make positioner 4 remove down, thereby press from both sides tightly from both sides about going on horizontal steel part.

An arc-shaped groove is uniformly formed in the first stepped long rod 16 along the outer surface, and a small cylinder is mounted in the arc-shaped groove through a pin shaft; the small cylinder is limited through the first stepped long rod 16, and the friction force between the first stepped long rod 16 and the round long rod 174 is reduced through the small cylinder;

the clamping frame I17 comprises a fixed block 171, a rectangular fixture block II 172, a rectangular long plate 173, a circular long rod 174, an annular block 175, a cylindrical spring 176 and a rectangular block 177, the right end of the stepped long rod I16 is connected with the fixed block 171 in a sliding fit manner, the left end of the fixed block 171 is fixedly provided with the rectangular fixture block II 172, arc-shaped grooves are uniformly formed in the front and back symmetrical two sides of the rectangular fixture block II 172, small steel balls are connected in the arc-shaped grooves in a sliding fit manner, an arc-shaped groove is formed in the innermost side of the rectangular fixture block II 172, a circular spring is fixedly arranged in the arc-shaped groove, a semi-arc-shaped block is fixedly arranged at the tail end of the circular spring, the semi-arc-shaped block is; the second rectangular fixture block 172 moves inwards, the small steel balls are used for reducing the friction force between the second rectangular fixture block 172 and the clamping grooves, when the second rectangular fixture block 172 moves to the inner side, the small steel balls in the hemispherical circular arcs on the innermost side of the second rectangular fixture block 172 are under the action of the circular springs, so that the small steel balls are just clamped on the small circular arc grooves, the impact of the second rectangular fixture block 172 on the vertical steel piece is reduced, and meanwhile, the second rectangular fixture block 172 and the vertical steel piece are positioned; a rectangular long plate 173 is symmetrically arranged at the front and back of the left side of the fixed block 171, a circular through hole is formed in the middle of the rectangular long plate 173, a circular long rod 174 is arranged in the circular through hole in a sliding fit manner, an annular block 175 is fixedly arranged at one end of the circular long rod 174, a cylindrical spring 176 is sleeved outside the circular long rod 174, and a rectangular block 177 is fixedly arranged at the other end of the circular long rod 174; small springs are symmetrically arranged on the left side and the right side of the rectangular block 177, a rectangular block is fixedly arranged at the tail end of each small spring, and a small rubber block is fixedly arranged at the tail end of each rectangular block; the small spring is fixed through the rectangular block 177, the rectangular block is fixed through the small spring, the rubber block is fixed through the rectangular block, and when the rectangular block 177 slides inwards, the rubber block is tightly attached to the steel piece through the reaction force of the small spring; the rectangular long plate 173 is limited through the fixing block 171, the right side of the vertical steel part is limited through the rectangular fixture block II 172, the round long rod 174 is positioned through the rectangular long plate 173, and when the long rectangular block I14 moves leftwards, the fixing block 171 is driven to move leftwards, so that the round long rod 174 is extruded by the step long rod I16, the annular block 175 is finally driven to move downwards, and at the moment, the cylindrical spring 176 plays a role in damping;

the U-shaped frame device 2 comprises a U-shaped plate 21, a clamping block 22, a long connecting rod 23 and a short connecting rod 24, the fixing device comprises a circular ring block 25, a push rod 26, a 7-shaped plate 27 and a locking frame 28, wherein the U-shaped plate 21 is fixedly installed at the right end of the fixing device 1, rectangular grooves are symmetrically formed in the front side and the rear side of the upper end of the U-shaped plate 21, small rectangular grooves are symmetrically formed in the front side and the rear side of the upper side of each rectangular groove, a clamping block 22 is connected in each small rectangular groove in a sliding fit mode, a long connecting rod 23 is installed at the tail end of each clamping block 22 through a pin shaft, the middle of each long connecting rod 23 is connected with the U-shaped plate 21 through a pin shaft, a short connecting rod 24 is installed at the tail end of each long connecting rod 23 through a pin shaft, the circular ring block 25 is fixedly installed on the upper side of each rectangular groove, the push; when the cylindrical block 34 moves downwards, two sides of the cylindrical block 34 are in contact with the short connecting rods 24, so that the short connecting rods 24 are pushed to move outwards, at the moment, the long connecting rods 23 are inclined inwards, the clamping blocks 22 are driven to move inwards, the clamping blocks 22 are clamped in the small rectangular grooves of the square blocks 35, the cylindrical block 34 moves downwards, the push rod 26 is pushed to move downwards, the push rod 26 drives the 7-shaped plate 27 to move downwards, and the locking frame 28 is pushed inwards to be in a locking state with the transverse steel piece;

the locking frame 28 comprises a small rectangular block 281, a rectangular plate 282 and a spring 283, the lower end of the 7-shaped plate 27 is connected with the small rectangular block 281 in a sliding fit manner, the rectangular plate 282 is fixedly installed at the lower end of the small rectangular block 281, a cylindrical groove is formed in the middle of the outer side of the rectangular plate 282, the spring 283 is fixedly installed in the cylindrical groove, and the tail end of the spring 283 is fixedly connected with the U-shaped plate 21; the small rectangular block 281 is pushed to move inwards by the pressure of the downward movement of the 7-shaped plate 27, and at this time, the rectangular plate 282 is locked with the transverse steel member by the reaction force of the spring 283.

The limiting device 3 comprises a long rectangular plate 31, a screw rod 32, a handle 33, a cylindrical block 34 and a square block 35, the long rectangular plate 31 is installed at the upper end of the U-shaped frame device 2, circular through holes are symmetrically formed in the front side and the rear side of the upper end of the long rectangular plate 31, the screw rod 32 is connected in the circular through holes in a threaded connection mode, the handle 33 is fixedly installed at the upper end of the screw rod 32, the cylindrical block 34 is fixedly installed at the lower end of the screw rod 32, rectangular grooves are symmetrically formed in the front side and the rear side of the lower end of the long rectangular plate 31, the square block 35 is fixedly installed in the rectangular grooves, and small rectangular grooves are; the screw rod 32 is limited by the long rectangular plate 31, and the screw rod 32 is moved downwards by rotating the handle 33, so that the cylindrical block 34 is pushed to move downwards.

The positioning device 4 comprises a second fixing plate 41, a second small spiral rod 42, a second long rectangular block 43, a second stepped long rod 44, a second clamping frame 45 and a second connecting rod 46, the left side of the second fixing plate 41 is connected with the second small spiral rod 42 in a sliding fit manner, the second small spiral rod 42 is connected with the second long rectangular block 43 in a threaded connection manner, the second stepped long rod 44 is fixedly installed at the front and back of the right end of the second fixing plate 41 in a front-back symmetrical manner, the second clamping frame 45 is connected at the right end of the second stepped long rod 44 in a sliding fit manner, the second connecting rod 46 is symmetrically installed at the front and back of the left end of the second clamping frame 45, and the tail end of the second connecting rod; carry on spacingly through two 41 little screw rods 42 of fixed plate, fix two 44 ladder poles through two 41 fixed plates, through two 42 of rotatory little screw rods, make two 43 of long rectangular block remove left, clamp frame two 45 also remove left simultaneously to fix a position vertical upside steel part.

When the device works, the large screw rod 15 is rotated to drive the positioning device 4 to move downwards, so that the upper end of the transverse steel piece is extruded, the screw rod 32 moves downwards by rotating the handle 33, thereby pushing the cylindrical block 34 to move downward, when both sides of the cylindrical block 34 are in contact with the short connecting rods 24, thereby pushing the short connecting rod 24 to move outwards, at the same time, the long connecting rod 23 tilts inwards, thereby driving the clamping block 22 to move inwards, enabling the clamping block 22 and the square block 35 to be in a locking state, when the small screw rod I13 is rotated, the long rectangular block I14 moves leftwards to drive the clamping frame I17 to move leftwards, thereby positioning the lower side of the vertical steel piece, when the second small screw rod 42 is rotated, the second long rectangular block 43 moves leftwards, and the second clamping frame 45 also moves leftwards, thereby fix a position vertical upside steel component, finally make vertical steel component and horizontal steel component laminate mutually.

The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are given by way of illustration of the principles of the present invention, and that various changes and modifications may be made without departing from the spirit and scope of the invention as defined by the appended claims. The scope of the invention is defined by the appended claims and equivalents thereof.