CN115078127A - A member bending and twisting testing arrangement for abnormal shape building construction - Google Patents

Abstract

The invention relates to the technical field of building component testing devices, in particular to a component bending and twisting testing device for special-shaped building construction. The special-shaped clamping mechanism is simple in structure and convenient to operate, the special-shaped clamping mechanism can clamp and fix special-shaped building components with different cross sections, the testing convenience and the fixing stability are improved, the data accuracy of the overall test is effectively improved, the quality of the building components is ensured, the torsion transmission mechanism can drive the two ends of the building components to rotate forwards and backwards, the torsion test of the building components is effectively tested, the bent workpieces can be tested through the matching of the X-axis sliding seat and the Y-axis sliding seat, and the overall practicability is improved.

Description

A member bending and twisting testing arrangement for abnormal shape building construction

Technical Field

The invention relates to the technical field of building component testing devices, in particular to a component bending and twisting testing device for special-shaped building construction.

Background

The building component refers to each element forming the building, if the building is regarded as a product, the building component refers to a part in the product, and the building component mainly comprises: the building (roof) surface, wall, column, foundation, etc. are different from the concept of structural member, the structural member is the element forming the stress framework of the structure, and certainly includes beam, plate, wall, column, foundation, etc., but it is generally divided into flexural member, compression member, tension member, torsion member, compression member, etc. according to the stress characteristics of the member, and the corresponding testing device is needed for the tests.

Through retrieval, Chinese patent: a building material compression resistance testing device (CN213813181U) comprises a workbench, wherein an adjusting groove is horizontally arranged in the workbench, a two-way motor is fixedly installed on the right side of the workbench, the output end of the two-way motor is connected with an adjusting screw rod, a threaded seat is screwed on the adjusting screw rod, and a right limiting plate is vertically and fixedly installed in the middle of the upper surface of the threaded seat; the left side of the upper surface of the workbench is vertically and fixedly provided with a fixed supporting rod, the top of the right side of the fixed supporting rod is horizontally and fixedly provided with a supporting plate, the left side and the right side of the lower surface of the supporting plate are respectively and vertically and fixedly provided with electric push rods, and the bottoms of the electric push rods are respectively fixedly connected with the left side and the right side of the upper surface of the fixed plate. The device can cover in building material's the outside when hydraulic press carries out the resistance to compression test to building material through at fixed plate lower surface mounting protection casing, avoids the cracked outside sputtering in excessive back of building material pressure-bearing, has improved the device's security, and is comparatively practical, nevertheless changes the device and can only carry out the resistance to compression test, and the functionality is lower, and the device can not be to the building element centre gripping of different cross-sections simultaneously, and the practicality is relatively poor.

Accordingly, one skilled in the art provides a member bending and twisting test device for special-shaped building construction to solve the problems set forth in the background art.

Disclosure of Invention

The invention aims to provide a member bending and twisting testing device for special-shaped building construction, which aims to solve the problems in the background technology.

In order to achieve the purpose, the invention provides the following technical scheme: a member bending and twisting testing device for special-shaped building construction comprises a table top, wherein two bearing seats are symmetrically fixed at two end positions above the table top, the inner sides of the two bearing seats are respectively and rotatably connected with a second transmission shaft and a first transmission shaft, supporting tables are fixedly sleeved at one end positions, close to the bearing seats, of the outer parts of the second transmission shaft and the first transmission shaft, a torsion transmission mechanism is arranged at the end close to the first transmission shaft, and the torsion transmission mechanism is used for driving the second transmission shaft and the first transmission shaft to rotate reversely to achieve torsion testing of a building construction member;

an X-axis sliding seat is arranged above the table board and positioned at the front side, the table board is connected with the X-axis sliding seat in a sliding mode through a sliding assembly, a Y-axis sliding seat is fixed above the X-axis sliding seat, a supporting rod is arranged above the Y-axis sliding seat, a displacement assembly for driving the supporting rod to axially displace is arranged inside the Y-axis sliding seat, and the top end of the supporting rod is rotatably connected with a rotary table;

and special-shaped clamping mechanisms are fixed above the two supporting platforms and the turntable and are used for carrying out self-adaptive clamping on different special-shaped building components.

As a further aspect of the invention: the table top is characterized in that a support is vertically fixed on the rear side of the table top, a pressing oil cylinder is fixedly mounted on one side of the top end of the support, and a pressing ball is fixed at the telescopic end of the pressing oil cylinder.

As a further aspect of the invention: the torsion transmission mechanism comprises a first bevel gear and a third bevel gear which are symmetrically fixed at the near ends of a second transmission shaft and a first transmission shaft, a worm wheel is fixed at one side of the first bevel gear, a worm is meshed below the worm wheel, a transmission motor fixed on the upper surface of the table top is installed at one end of a rotating shaft of the worm, a second bevel gear is meshed between the first bevel gear and the third bevel gear, and a rotating seat fixed on the upper surface of the table top is rotatably connected to one side of the second bevel gear.

As a further aspect of the invention: the sliding assembly comprises limiting guide grooves formed in the upper surface and the lower surface of the table board and guide blocks fixed on the inner sides of the X-axis sliding seat and corresponding to the positions of the two limiting guide grooves, and the guide blocks slide on the inner sides of the limiting guide grooves.

As a further aspect of the invention: the front side of X axle slide is provided with and supports tight fixed fastening components with the mesa, fastening components is including offering the locking groove and the threaded connection in the fastening bolt of X axle slide front side on the mesa upper surface, fastening bolt's one end runs through X axle slide and mesa in proper order and extends to the inside in locking groove and swivelling joint has and supports the piece, the threaded hole rather than the screw thread is all seted up in the lateral wall of X axle slide and mesa and corresponds fastening bolt's position department.

As a further aspect of the invention: the displacement subassembly leads to the groove including rotating the lead screw of connecting in Y axle slide inside and seting up the direction of locating Y axle slide upper surface, the outside threaded connection of lead screw has the swivel nut, the top of swivel nut is fixed with the connecting block, and the upper end of connecting block is passed the direction and is led to the bottom of groove and branch and fixed, the one end of lead screw runs through and extends to Y axle slide outside and is fixed with the knob.

As a further aspect of the invention: the width of the connecting block is matched with the inner diameter of the guide through groove.

As a further aspect of the invention: heterotypic fixture is including being fixed in the spill seat of two platform and revolving stage tops respectively, the equal symmetry in inboard of spill seat is inserted and is equipped with a plurality of supporting rods that extend to both ends inside, and the both ends of spill seat inside all be fixed with the terminal push pedal of fixing mutually of a plurality of supporting rods, one side of push pedal is fixed with the mounting bracket, one side of mounting bracket is fixed with the pen type electric putter who fixes mutually with spill seat inner wall, one side of push pedal is fixed with four rows of branch pipes, four rows the one end of branch pipe all is linked together through the second air duct, and the position department that one side of four rows of branch pipes corresponds the supporting rod all feeds through and is equipped with the first air duct that runs through the push pedal, is located one row the top exhaust tube and intake pipe are installed to the symmetry on the branch pipe.

As a further aspect of the invention: the clamping rod comprises a first cylinder fixed on the side wall of the push plate, a clapboard is fixed in the middle section of the first cylinder, the first cylinder body is separated into two independent spaces of a movable chamber and a sealing chamber by a partition plate, an air pressure push disc is movably arranged in the sealing chamber, one end of the first cylinder body corresponding to the sealing chamber is provided with an air hole connected with the first air duct, a compression rod is inserted into the other end of the first cylinder, the other end of the compression rod penetrates through the partition plate and extends into the sealing chamber, two stop blocks are symmetrically fixed on the outer part of the compression rod positioned in the movable chamber, a spring is sleeved at the position between the stop block and the partition plate outside the compression rod, a first rubber sealing ring is arranged on the outer ring of the air pressure push disc, and a second rubber sealing ring is arranged on the inner side of the partition plate, and a through hole for the compression rod to pass through is formed in the surface of the second rubber sealing ring.

As a further aspect of the invention: the two ends of the concave seat are symmetrically provided with pumping and inflating joints, one ends of the pumping and inflating joints are respectively connected with the air exhaust pipe and the air inlet pipe, and the other ends of the pumping and inflating joints are respectively connected with an external air exhaust pump and an air inflation pump through air pipes.

As a further aspect of the invention: the bottom of the table top is fixed with a U-shaped base, and the bottom of the base is fixed with a shock pad.

Compared with the prior art, the invention has the beneficial effects that: the special-shaped clamping mechanism is simple in structure and convenient to operate, the special-shaped clamping mechanism can clamp and fix special-shaped building components with different cross sections, the testing convenience and the fixing stability are improved, the data accuracy of the overall test is effectively improved, the quality of the building components is ensured, the torsion transmission mechanism can drive the two ends of the building components to rotate forwards and backwards, the torsion test of the building components is effectively tested, the bent workpieces can be tested through the matching of the X-axis sliding seat and the Y-axis sliding seat, and the overall practicability is improved.

Drawings

FIG. 1 is a schematic structural diagram of a member bending and twisting testing device for special-shaped building construction;

FIG. 2 is an enlarged schematic structural view of a member bending and twisting testing device for special-shaped building construction, which is shown at A in FIG. 1;

FIG. 3 is a partial cross-sectional view of a special-shaped clamping mechanism in a member bending and twisting test device for special-shaped building construction;

FIG. 4 is a schematic structural diagram of a push plate in a member bending and twisting test device for special-shaped building construction;

FIG. 5 is a schematic structural diagram of a clamping rod in a member bending and twisting testing device for special-shaped building construction;

fig. 6 is a schematic structural diagram of an X-axis slide carriage and a Y-axis slide carriage in a member bending and twisting testing device for special-shaped building construction.

In the figure: 1. a table top; 2. a base; 3. a limiting guide groove; 4. a locking groove; 5. an X-axis slide carriage; 6. a turntable; 7. a first drive shaft; 8. pressing the oil cylinder; 9. a support; 10. a second drive shaft; 11. a concave seat; 12. a support platform; 13. a bearing seat; 14. pressing the ball; 15. a first bevel gear; 16. a worm gear; 17. a worm; 18. a drive motor; 19. a rotating seat; 20. a second bevel gear; 21. a third bevel gear; 22. pushing the plate; 23. a pen-type electric push rod; 24. a mounting frame; 25. a clamping rod; 251. a first cylinder; 252. a spring; 253. an air pressure push disk; 254. air holes; 255. sealing the chamber; 256. a partition plate; 257. a movable room; 258. a stopper; 259. a compression rod; 26. an air inlet pipe; 27. a first air duct; 28. a branch pipe; 29. a second air duct; 30. an air exhaust pipe; 31. a resisting block; 32. a guide block; 33. a guide through groove; 34. a Y-axis slide carriage; 35. a threaded sleeve; 36. a strut; 37. a screw rod; 38. a knob; 39. and fastening the bolt.

Detailed Description

Referring to fig. 1 to 6, in an embodiment of the present invention, a member bending torsion testing apparatus for special-shaped building construction includes a table top 1, two bearing seats 13 are symmetrically fixed at two ends of the table top 1, inner sides of the two bearing seats 13 are respectively and rotatably connected to a second transmission shaft 10 and a first transmission shaft 7, a supporting platform 12 is fixedly sleeved at one end of the outer portions of the second transmission shaft 10 and the first transmission shaft 7 close to the bearing seats 13, a torsion transmission mechanism is disposed at the end of the second transmission shaft 10 close to the first transmission shaft 7, the torsion transmission mechanism is configured to drive the second transmission shaft 10 and the first transmission shaft 7 to rotate in opposite directions to achieve a torsion test on a building construction member, the torsion transmission mechanism includes a first bevel gear 15 and a third bevel gear 21 symmetrically fixed at the proximal ends of the second transmission shaft 10 and the first transmission shaft 7, a worm gear 16 is fixed at one side of the first bevel gear 15, a worm 17 is meshed below the worm wheel 16, one end of a rotating shaft of the worm 17 is provided with a transmission motor 18 fixed on the upper surface of the table top 1, a second bevel gear 20 is meshed between the first bevel gear 15 and the third bevel gear 21, one side of the second bevel gear 20 is rotatably connected with a rotating seat 19 fixed on the upper surface of the table top 1, during a torsion test, the transmission motor 18 operates to drive the worm 17 to rotate, the worm wheel 16 rotates along with the first bevel gear 15 due to meshing, the first bevel gear 15 is driven to rotate, the third bevel gear 21 rotates in the opposite direction of the first bevel gear 15 under the linkage of the second bevel gear 20, the third bevel gear 21 and the first bevel gear 15 rotate in the opposite direction, and then the second transmission shaft 10 and the first transmission shaft 7 drive the two support tables 12 to rotate in the opposite direction, so as to complete the torsion test of the building component;

an X-axis sliding seat 5 is arranged above the table board 1 at the position on the front side, the table board 1 is connected with the X-axis sliding seat 5 in a sliding mode through a sliding assembly, a Y-axis sliding seat 34 is fixed above the X-axis sliding seat 5, a supporting rod 36 is arranged above the Y-axis sliding seat 34, a displacement assembly for driving the supporting rod 36 to axially displace is arranged inside the Y-axis sliding seat 34, the top end of the supporting rod 36 is rotatably connected with a rotary table 6, the sliding assembly comprises a limiting guide groove 3 arranged on the upper surface and the lower surface of the table board 1 and a guide block 32 fixed on the inner side of the X-axis sliding seat 5 and corresponding to the positions of the two limiting guide grooves 3, the guide block 32 slides inside the limiting guide groove 3, one end of the guide block can be fixed on one supporting table 12 when a bending building component is tested, the other end of the guide block is fixed on the rotary table 6, and the X-axis sliding seat 5 can slide along the direction of the limiting guide groove 3 according to the bending degree;

the front side of X axle slide 5 is provided with and supports tight fixed fastening components with mesa 1, fastening components is including seting up the locking groove 4 and the fastening bolt 39 of threaded connection in X axle slide 5 front side on mesa 1 upper surface, fastening bolt 39's one end runs through X axle slide 5 in proper order and mesa 1 extends to the inside of locking groove 4 and rotates and be connected with and supports piece 31, the threaded hole that links to each other rather than the screw thread is all seted up in the lateral wall of X axle slide 5 and mesa 1 corresponding fastening bolt 39's position department, after X axle slide 5 slides to suitable position, rotatory fastening bolt 39, can drive and support the inner wall that piece 31 supported at locking groove 4 through the screw thread characteristic, and then realize the fixed of X axle slide 5.

The displacement assembly comprises a screw rod 37 rotatably connected inside the Y-axis sliding seat 34 and a guide through groove 33 arranged on the upper surface of the Y-axis sliding seat 34, a threaded sleeve 35 is connected to the outer portion of the screw rod 37 in a threaded manner, a connecting block is fixed above the threaded sleeve 35, the upper end of the connecting block penetrates through the guide through groove 33 and is fixed to the bottom of the support rod 36, one end of the screw rod 37 penetrates through the Y-axis sliding seat 34 and extends to the outer portion of the Y-axis sliding seat 34 and is fixed with a knob 38, the width of the connecting block is matched with the inner diameter of the guide through groove 33, the knob 38 can be rotated according to the length of a bent workpiece, the knob 38 drives the screw rod 37 to rotate, and through the thread characteristic, the threaded sleeve is displaced along the thread rotation direction of the screw rod 37 under the limiting of the connecting block and the guide through groove 33, so that the adjustment to a proper position is facilitated, and workpiece tests with different bending lengths are facilitated;

the special-shaped clamping mechanisms are fixed above the two supporting platforms 12 and the rotary table 6 and are used for self-adaptively clamping different special-shaped building components, each special-shaped clamping mechanism comprises a concave seat 11 fixed above the two supporting platforms 12 and the rotary table 6 respectively, a plurality of clamping rods 25 extending into the two ends of each concave seat 11 are symmetrically inserted into the inner side of each concave seat 11, push plates 22 fixed to the tail ends of the plurality of clamping rods 25 are fixed to the inner ends of the concave seats 11, a mounting frame 24 is fixed to one side of each push plate 22, pen-type electric push rods 23 fixed to the inner wall of each concave seat 11 are fixed to one side of each mounting frame 24, four rows of branch pipes 28 are fixed to one side of each push plate 22, one ends of the four rows of branch pipes 28 are communicated through second air guide pipes 29, first air guide pipes 27 penetrating through the push plates 22 are communicated to positions, corresponding to the clamping rods 25, and exhaust pipes 30 and air inlet pipes 26 are symmetrically installed on the row of branch pipes 28 located at the top, the clamping rod 25 comprises a first cylinder 251 fixed on the side wall of the push plate 22, a partition plate 256 is fixed in the middle position inside the first cylinder 251, the first cylinder 251 separates two independent spaces of a movable chamber 257 and a sealed chamber 255 through the partition plate 256, an air pressure push disc 253 is movably arranged inside the sealed chamber 255, one end of the first cylinder 251 corresponding to the sealed chamber 255 is provided with an air hole 254 connected with the first air duct 27, the other end of the first cylinder 251 is inserted with a compression rod 259, the other end of the compression rod 259 penetrates through the partition plate 256 and extends into the sealed chamber 255, two stoppers 258 are symmetrically fixed outside the compression rod 259 inside the movable chamber 257, a spring 252 is sleeved outside the compression rod 259 between the stoppers 258 and the partition plate 256, a first rubber sealing ring is arranged on the outer ring of the air pressure push disc 253, a second rubber sealing ring is arranged on the inner side of the partition plate 256, a through hole for the compression rod 259 to pass through is arranged on the surface of the second rubber sealing ring, the two ends of the concave seat 11 are symmetrically provided with pumping and inflating joints, one end of each pumping and inflating joint is respectively connected with the air suction pipe 30 and the air inlet pipe 26, the other end of each pumping and inflating joint is respectively connected with the external air suction pump and the air pump through the air pipes, when a special-shaped building member is tested, the two ends of the special-shaped building member are respectively placed in the concave seat 11, the pen-type electric push rod 23 is controlled to be electrified and operated, the pen-type electric push rod 23 pushes the push plate 22 to drive the clamping rod 25 to extend out to be attached to the surface of the special-shaped building member after being operated, the compression rod 259 which is firstly attached to the surface of the special-shaped building member is stressed to apply pressure to the spring 252, the spring 252 retracts to provide a retraction space for the compression rod 259 after being pressed, and when all the compression rods 259 are completely attached to the surface of the special-shaped building member, the pen-type electric push rod 23 is controlled to stop operating, meanwhile, the air pump operates to generate high-pressure air, and the high-pressure air enters the branch pipe 28 through the air pipes and the air inlet pipe 26, the first air duct 27 enters the sealing chamber 255, the pressure of the sealing chamber 255 is increased to push the air pressure push disc 253 to abut against the end part of the compression rod 259, and the operation is stopped until the special-shaped building component is completely clamped and fixed, the structure can be attached to any special-shaped surface through a plurality of clamping rods 25, the fixation of the building components with different cross-sectional shapes is met, the practicability is improved, when the components are taken out, the air in the sealing chamber 255 is firstly pumped out through the air pump, so that the air pressure push disc 253 relieves the abutment on the compression rod 259, and then the pen type electric push rod 23 retracts.

The bottom of the table-board 1 is fixed with a U-shaped base 2, and the bottom of the base 2 is fixed with a shock pad which can play the role of anti-skid and shock absorption.

A support 9 is vertically fixed on the rear side of the table board 1, a pressing oil cylinder 8 is fixedly installed on one side of the top end of the support 9, a pressing ball 14 is fixed at the telescopic end of the pressing oil cylinder 8, the pressing ball 14 presses downwards to apply force to a workpiece to bend the workpiece, and the bending compression strength can be tested by the pressing force corresponding to the bending time.

The working principle of the invention is as follows: firstly, when a special-shaped building member is tested, two ends of the special-shaped building member are respectively placed in the concave seat 11, the pen-type electric push rod 23 is controlled to be electrified and operated, the pen-type electric push rod 23 pushes the push plate 22 to drive the clamping rod 25 to extend out to be attached to the surface of the special-shaped building member after being operated, the compression rod 259 which is firstly attached to the surface of the special-shaped building member is stressed to press the spring 252, the spring 252 is compressed and then retracts to provide a retraction space for the compression rod 259, when all the compression rods 259 are completely attached to the surface of the special-shaped building member, the pen-type electric push rod 23 is controlled to stop operating, meanwhile, the inflator pump operates to generate high-pressure gas, the high-pressure gas enters the branch pipe 28 through the gas pipe and the gas inlet pipe 26 and then enters the sealing chamber 255 through the first gas guide pipe 27, the pressure of the sealing chamber 255 is increased to push the gas pressure push disc 253 to abut against the end part of the compression rod 259 until the special-shaped building member is completely clamped and fixed and then stops operating, the structure can be attached to any special-shaped surface through the plurality of clamping rods 25, the fixation of building components with different section shapes is met, the practicability is improved, when the components are taken out, air in the sealing chamber 255 is firstly pumped out through the air pump, so that the air pressure push disc 253 relieves the resistance on the compression rod 259, and then the pen type electric push rod 23 retracts;

during the torsion test: the transmission motor 18 operates to drive the worm 17 to rotate, the worm wheel 16 rotates along with the worm due to meshing, the first bevel gear 15 is further driven to rotate, the third bevel gear 21 rotates towards the direction opposite to the direction of the first bevel gear 15 under the linkage of the second bevel gear 20, the third bevel gear 21 and the first bevel gear 15 rotate in the opposite direction, and the second transmission shaft 10 and the first transmission shaft 7 drive the two support platforms 12 to rotate in the opposite directions, so that the torsion test of the building component is completed;

in the bending test: the pressing ball 14 presses downwards to apply force to the workpiece to bend the workpiece, and the bending compression resistance can be tested by the pressing force corresponding to the bending time;

when a bent building component is tested, one end of the bent building component can be fixed in a special-shaped clamping mechanism on a supporting table 12, the other end of the bent building component is fixed in a special-shaped clamping mechanism on a rotary table 6, an X-axis sliding seat 5 can slide along the direction of a limiting guide groove 3 according to the bending degree, after the X-axis sliding seat 5 slides to a proper position, a fastening bolt 39 is rotated, a movable abutting block 31 abuts against the inner wall of a locking groove 4 through the thread characteristic, and then the fixing of the X-axis sliding seat 5 is realized, a knob 38 can be rotated according to the length of a bent workpiece, the knob 38 drives a screw rod 37 to rotate, through the thread characteristic, a screw sleeve displaces along the thread rotating direction of the screw rod 37 under the limiting of a connecting block and a guiding through groove 33, and is convenient to adjust to a proper position, and the workpiece testing with different bending lengths is facilitated.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention are equivalent to or changed within the technical scope of the present invention.

Claims (10)

1. The member bending and twisting testing device for the special-shaped building construction comprises a table board (1) and is characterized in that two bearing seats (13) are symmetrically fixed at positions, located at two ends, above the table board (1), the inner sides of the two bearing seats (13) are respectively and rotatably connected with a second transmission shaft (10) and a first transmission shaft (7), supporting platforms (12) are fixedly sleeved at positions, close to the bearing seats (13), of the outer portions of the second transmission shaft (10) and the first transmission shaft (7), a torsion transmission mechanism is arranged at the close end of the second transmission shaft (10) and the first transmission shaft (7), and the torsion transmission mechanism is used for driving the second transmission shaft (10) and the first transmission shaft (7) to reversely rotate to achieve torsion testing of a construction member;

an X-axis sliding seat (5) is arranged at the position, located on the front side, above the table board (1), the table board (1) is connected with the X-axis sliding seat (5) in a sliding mode through a sliding assembly, a Y-axis sliding seat (34) is fixed above the X-axis sliding seat (5), a supporting rod (36) is arranged above the Y-axis sliding seat (34), a displacement assembly for driving the supporting rod (36) to axially displace is arranged inside the Y-axis sliding seat (34), and the top end of the supporting rod (36) is rotatably connected with a rotary table (6);

special-shaped clamping mechanisms are fixed above the two supporting platforms (12) and the turntable (6) and are used for carrying out self-adaptive clamping on different special-shaped building components;

the bottom of the table top (1) is fixedly provided with a U-shaped base (2), and the bottom of the base (2) is fixedly provided with a shock pad.

2. The device for testing the bending torsion of the member for the special-shaped building construction according to claim 1, wherein a support (9) is vertically fixed on the rear side of the table top (1), a lower pressing oil cylinder (8) is fixedly installed on one side of the top end of the support (9), and a pressing ball (14) is fixed on the telescopic end of the lower pressing oil cylinder (8).

3. The member bending torsion testing device for the special-shaped building construction according to claim 1, wherein the torsion transmission mechanism comprises a first bevel gear (15) and a third bevel gear (21) which are symmetrically fixed at the near ends of the second transmission shaft (10) and the first transmission shaft (7), a worm gear (16) is fixed at one side of the first bevel gear (15), a worm (17) is meshed below the worm gear (16), a transmission motor (18) fixed on the upper surface of the table top (1) is installed at one end of a rotating shaft of the worm (17), a second bevel gear (20) is meshed between the first bevel gear (15) and the third bevel gear (21), and a rotating seat (19) fixed on the upper surface of the table top (1) is rotatably connected at one side of the second bevel gear (20).

4. The member bending and twisting testing device for special-shaped building construction according to claim 1, wherein the sliding assembly comprises limiting guide grooves (3) arranged on the upper surface and the lower surface of the table top (1) and guide blocks (32) fixed on the inner side of the X-axis sliding seat (5) and corresponding to the positions of the two limiting guide grooves (3), and the guide blocks (32) slide on the inner sides of the limiting guide grooves (3).

5. The member bending and twisting testing device for the special-shaped building construction according to claim 1, wherein a fastening assembly which is tightly fixed with the table top (1) is arranged on the front side of the X-axis sliding seat (5), the fastening assembly comprises a locking groove (4) formed in the upper surface of the table top (1) and a fastening bolt (39) in threaded connection with the front side of the X-axis sliding seat (5), one end of the fastening bolt (39) sequentially penetrates through the X-axis sliding seat (5) and the table top (1), extends to the inside of the locking groove (4) and is rotatably connected with a supporting block (31), and threaded holes connected with the X-axis sliding seat (5) and the table top (1) in threaded connection are formed in positions, corresponding to the fastening bolts (39), of the side walls of the X-axis sliding seat (5) and the table top (1).

6. The member bending and twisting testing device for the special-shaped building construction is characterized in that the displacement assembly comprises a screw rod (37) rotatably connected to the inside of the Y-axis sliding seat (34) and a guide through groove (33) formed in the upper surface of the Y-axis sliding seat (34), a threaded sleeve (35) is connected to the outside of the screw rod (37) in a threaded mode, a connecting block is fixed above the threaded sleeve (35), the upper end of the connecting block penetrates through the guide through groove (33) to be fixed to the bottom of the supporting rod (36), and one end of the screw rod (37) penetrates through the Y-axis sliding seat (34) to extend to the outside of the Y-axis sliding seat (34) and is fixed with a knob (38).

7. The device for testing the bending torsion of the member for the special-shaped building construction is characterized in that the width of the connecting block is matched with the inner diameter of the guide through groove (33).

8. The device for testing the bending torsion of the member for the special-shaped building construction according to claim 1, wherein the special-shaped clamping mechanism comprises concave seats (11) fixed above two supporting platforms (12) and the turntable (6), a plurality of clamping rods (25) extending to the inside of two ends are symmetrically inserted into the inner sides of the concave seats (11), push plates (22) fixed to the tail ends of the clamping rods (25) are fixed to the inside of two ends of each concave seat (11), a mounting frame (24) is fixed to one side of each push plate (22), pen-type electric push rods (23) fixed to the inner wall of each concave seat (11) are fixed to one side of each push plate (22), four rows of branch pipes (28) are fixed to one side of each push plate (22), one ends of the four rows of branch pipes (28) are communicated through second air guide pipes (29), and positions, corresponding to the clamping rods (25), of one side of each four rows of branch pipes (28) are communicated with and provided with corresponding to the push plates (22) The first air duct (27) is positioned on the uppermost row of the branch pipes (28) and is symmetrically provided with an air suction pipe (30) and an air inlet pipe (26).

9. The member bending and twisting test device for the special-shaped building construction according to claim 8, wherein the clamping rod (25) comprises a first cylinder (251) fixed on the side wall of the push plate (22), a partition plate (256) is fixed inside the first cylinder (251) at a middle position, the first cylinder (251) is separated from two independent spaces of a movable chamber (257) and a sealed chamber (255) by the partition plate (256), an air pressure push plate (253) is movably arranged inside the sealed chamber (255), one end of the first cylinder (251) corresponding to the sealed chamber (255) is provided with an air hole (254) connected with the first air duct (27), the other end of the first cylinder (251) is inserted with a rod (259), the other end of the compression rod (259) extends into the sealed chamber (255) through the partition plate (256), two stoppers (258) are symmetrically fixed outside the compression rod (259) inside the movable chamber (257), the outside of compression pole (259) is located between dog (258) and baffle (256) position department and has cup jointed spring (252), the outer lane of atmospheric pressure pushing tray (253) is provided with first rubber seal, the inboard of baffle (256) is provided with second rubber seal, and the through hole that supplies compression pole (259) to pass is seted up on the surface of second rubber seal.

10. The device for testing the bending and twisting of the member for the special-shaped building construction according to claim 9, wherein the concave seat (11) is symmetrically provided with pumping and inflating joints at both ends, one end of each pumping and inflating joint is respectively connected with the pumping pipe (30) and the air inlet pipe (26), and the other end of each pumping and inflating joint is respectively connected with an external pumping pump and an external inflating pump through air pipes.

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