CN211013865U - Integral self-balancing masonry integral shear test device - Google Patents
Integral self-balancing masonry integral shear test device Download PDFInfo
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- CN211013865U CN211013865U CN201922069011.6U CN201922069011U CN211013865U CN 211013865 U CN211013865 U CN 211013865U CN 201922069011 U CN201922069011 U CN 201922069011U CN 211013865 U CN211013865 U CN 211013865U
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Abstract
The utility model provides a whole shear test device of integral type self-balancing brickwork belongs to brickwork check out test set technical field, including longeron, clamping frame, crossbeam, bearing beam, first actuating mechanism, second actuating mechanism and third actuating mechanism. Clamping frames are arranged at the lower parts of the opposite side walls of the two longitudinal beams; the cross beam is fixedly arranged at the upper ends of the two longitudinal beams, and a bearing beam is horizontally arranged below the cross beam; the first driving mechanism is longitudinally arranged between the cross beam and the bearing beam; the second driving mechanism is arranged at the upper part of the longitudinal beam; the third driving mechanism is arranged at the lower part of the longitudinal beam. The utility model provides a whole shear test device of integral type self-balancing brickwork, during the use of this device, the stability of brickwork test block can be guaranteed to the pressure of bearing beam, and the simulation brickwork is located not pressure of co-altitude, and second actuating mechanism and third actuating mechanism exert pressure to the brickwork test block to its fracture, simulation shear force value. The device has simple structure and low manufacturing cost; when the brickwork test block is detected, the operation is simple and convenient, and the efficiency is higher.
Description
Technical Field
The utility model belongs to the technical field of brickwork check out test set, more specifically say, relate to a whole shear test device of integral type self-balancing brickwork.
Background
The masonry is a wall or a column which is built by blocks and mortar, and comprises brick masonry, block masonry, stone masonry and wallboard masonry, in a general engineering building, the masonry accounts for about 1/2 of the dead weight of the whole building, and the labor amount and the manufacturing cost respectively account for 1/3, so that the masonry is an important material for building engineering.
The masonry performance is related to the strength of the whole building engineering, the masonry needs to have the capability of resisting shear damage caused by earthquake, and the capability of resisting earthquake damage is mainly reflected in the shear resistance of the masonry. Therefore, before the building construction, need at first make the brickwork test block, carry out shear strength to the brickwork test block and detect, but conventional shear test equipment often the structure is more complicated, especially to the detection of large-scale wall body brickwork test block, and its structure is more complicated, and manufacturing cost is high, and the brickwork test block is examining time measuring, complex operation, inefficiency.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide an integral self-balancing masonry integral shear test device, aiming at solving the problems of complex structure and high manufacturing cost of the shear test device; when the brickwork test block is detected, the operation is complex and the efficiency is low.
In order to achieve the above object, the utility model adopts the following technical scheme: the utility model provides a whole shear test device of integral type self-balancing brickwork, includes:
the clamping frames are used for clamping and fixing masonry test blocks;
the cross beam is fixedly arranged at the upper ends of the two longitudinal beams, and a bearing beam is horizontally arranged below the cross beam;
the first driving mechanism is longitudinally arranged between the cross beam and the pressure-bearing beam and is used for driving the pressure-bearing beam to apply downward pressure to the top of the masonry test block;
the second driving mechanism is transversely arranged at the upper parts of the opposite side walls of the longitudinal beam and is used for applying horizontal pressure to the upper part of one side of the masonry test block;
and the third driving mechanism is transversely arranged at the lower part of the opposite side wall of the other longitudinal beam and is used for applying horizontal pressure to the lower part of the other side of the masonry test block.
As another embodiment of the application, two connecting rods which are mutually crossed are arranged at the rear sides of the two longitudinal beams, and two ends of any connecting rod are fixedly arranged on the two longitudinal beams respectively.
As another embodiment of the application, the longitudinal beam is fixedly provided with two connecting plates from top to bottom, and the end part of each connecting rod is fixedly arranged on the longitudinal beam through the connecting plate.
As another embodiment of the application, a fixing rod is fixedly connected between the two connecting plates respectively positioned at the lower parts of the two longitudinal beams.
As another embodiment of the present application, the clamping frame includes:
the fixing plates are longitudinally and fixedly arranged at the lower parts of the opposite side walls of the longitudinal beam;
and the two clamping plates are fixed on the fixed plate from top to bottom, and are used for clamping one side of the masonry test block.
As another embodiment of this application, the below of second actuating mechanism has set firmly and is used for supporting second actuating mechanism's support frame, the lower part of support frame is equipped with the passageway of stepping down that is used for the clamping frame to pass through.
As another embodiment of the application, a plurality of first rollers are arranged below the supporting frame.
As another embodiment of this application, the lower extreme of two longerons all is equipped with a plurality of second gyro wheels.
As another embodiment of this application, the front side and the rear side of longeron all are equipped with the bracing piece, the one end of bracing piece is articulated to be located the longeron middle part, the other end of bracing piece is equipped with and is used for leaning on the locating plate on ground.
As another embodiment of the present application, the first driving mechanism, the second driving mechanism and the third driving mechanism are all jacks.
The utility model provides a whole shear test device of integral type self-balancing brickwork's beneficial effect lies in: compared with the prior art, the utility model discloses the whole shear test device of integral type self-balancing brickwork uses this device, earlier through two clamping frame on two longeron relative lateral walls with this device arrange the brickwork test block in on, start first actuating mechanism, first actuating mechanism drive bearing beam compresses tightly the upper end of brickwork test block, the stability of brickwork test block can be guaranteed to the pressure of bearing beam, this pressure can simulate the brickwork and be located not co-altitude position, bear the pressure that comes from its upper portion brickwork dead weight and produce. And starting a second driving mechanism and a third driving mechanism, wherein the second driving mechanism and the third driving mechanism apply pressure to the two opposite staggered layers of the masonry test block, and the pressure of the second driving mechanism and the pressure of the third driving mechanism are continuously increased, so that the masonry test block is finally transversely broken and is used for simulating the corresponding shear force value when the masonry test block is sheared and damaged. The device has simple structure and low manufacturing cost; when the brickwork test block is detected, the operation is simple and convenient, and the efficiency is higher.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for the embodiments or the prior art descriptions will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
Fig. 1 is a front view of an integrated self-balancing masonry integral shear test device provided by an embodiment of the present invention;
fig. 2 is a rear view of the integrated self-balancing masonry integral shear test device provided by the embodiment of the present invention;
fig. 3 is a side view of an integrated self-balancing masonry integral shear test device according to an embodiment of the present invention;
fig. 4 is a schematic structural diagram of a support frame of the integrated self-balancing masonry integral shear test device provided in the embodiment of the present invention;
fig. 5 is a side view of an integrated self-balancing masonry integral shear test device according to another embodiment of the present invention;
FIG. 6 is a side view of FIG. 5;
fig. 7 is an enlarged view at a in fig. 5.
In the figure: 1. a stringer; 2. a cross beam; 3. a pressure bearing beam; 4. clamping frames; 41. a fixing plate; 42. a splint; 5. a first drive mechanism; 6. a second drive mechanism; 7. a third drive mechanism; 8. testing the masonry block; 9. a connecting rod; 10. a connecting plate; 11. fixing the rod; 12. a support frame; 121. a yielding channel; 13. a first roller; 14. a second roller; 17. a support bar; 18. positioning a plate; 19. a clamping groove.
Detailed Description
In order to make the technical problem, technical solution and advantageous effects to be solved by the present invention more clearly understood, the following description is given in conjunction with the accompanying drawings and embodiments to illustrate the present invention in further detail. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Referring to fig. 1, the integral self-balancing masonry shear test device provided by the present invention will now be described. Integral type self-balancing brickwork whole shear test device includes longeron 1, clamping frame 4, crossbeam 2, bearing beam 3, first actuating mechanism 5, second actuating mechanism 6 and third actuating mechanism 7.
The two longitudinal beams 1 are arranged in parallel, clamping frames 4 are arranged at the lower parts of the opposite side walls of the two longitudinal beams 1, and the two clamping frames 4 are used for clamping and fixing masonry test blocks 8; the cross beam 2 is fixedly arranged at the upper ends of the two longitudinal beams 1, and a bearing beam 3 is horizontally arranged below the cross beam; the first driving mechanism 5 is longitudinally arranged between the cross beam 2 and the pressure-bearing beam 3 and used for driving the pressure-bearing beam 3 to apply downward pressure on the top of the masonry test block 8; the second driving mechanism 6 is transversely arranged at the upper parts of the opposite side walls of one longitudinal beam 1 and is used for applying horizontal pressure to the upper part of one side of a masonry test block 8; the third driving mechanism 7 is transversely arranged at the lower part of the opposite side wall of the other longitudinal beam 1 and is used for applying horizontal pressure to the lower part of the other side of the masonry test block 8.
The longitudinal beam 1, the cross beam 2 and the pressure-bearing beam 3 are all made of I-steel, the cross section sizes of the cross beam 2 and the longitudinal beam 1 are HW350X350, the size of the pressure-bearing beam 3 is HW250X250, and the steel material is Q345B. The transverse beam 2 and the longitudinal beams 1 are fixedly connected in a bolt connection or welding mode, and the two longitudinal beams 1 and one transverse beam 2 are enclosed to form a door-shaped structure. The lower part of the masonry test block 8 is of a concrete structure, the upper part of the masonry test block is of a brick concrete structure, two sides of the concrete structure extend outwards to form two convex structures, and the two convex structures are clamped in the two clamping frames 4, so that the masonry test block 8 is positioned. First actuating mechanism 5 passes through bolted connection or welded fastening at the lower terminal surface of crossbeam 2, and first actuating mechanism 5's quantity is a plurality of, distributes in proper order along the length direction of crossbeam 2, and the stiff end on a plurality of first actuating mechanism 5 upper portions is fixed with crossbeam 2, and a plurality of 5 lower part drive ends of first actuating mechanism are welded fastening respectively at the up end of bearing plate. Different pressures are applied to the bearing plates by the first driving mechanisms 5, the bearing plates transmit the pressures to the upper ends of the masonry test blocks 8, the pressures applied to the masonry test blocks are simulated through the masonry above the masonry test blocks 8 through the pressures, namely the masonry test blocks 8 located at different height positions are simulated, and the born pressures are generated by the self weight of the masonry above the masonry test blocks. The second driving mechanism 6 and the third driving mechanism 7 are respectively fixed on the opposite side walls of the longitudinal beam 1 in a bolted connection or welding mode, the fixed ends of the second driving mechanism 6 and the third driving mechanism 7 are fixed on the opposite side walls of the longitudinal beam 1, and the driving ends of the second driving mechanism 6 and the third driving mechanism 7 are free ends and used for abutting against the upper portion and the lower portion of the two side walls of the masonry test block 8 relative to the staggered floor.
The utility model provides a whole shear test device of integral type self-balancing brickwork, compared with the prior art, when using this device, earlier arrange this device in on the brickwork test block 8 through two clamping frame 4 on 1 relative lateral wall of two longerons, start first actuating mechanism 5, 5 drive bearing beam 3 of first actuating mechanism compress tightly the upper end of brickwork test block 8, the stability of brickwork test block 8 can be guaranteed to the pressure of bearing beam 3, this pressure can simulate the brickwork and be located not co-altitude position, bear the pressure that comes from its upper portion brickwork dead weight and produce. The second driving mechanism 6 and the third driving mechanism 7 are started, the second driving mechanism 6 and the third driving mechanism 7 apply pressure to two sides of the masonry test block 8 in a staggered layer mode, and the pressure of the second driving mechanism 6 and the pressure of the third driving mechanism 7 are continuously increased, so that the masonry test block 8 is finally transversely broken and is used for simulating a corresponding shear force value when the masonry test block 8 is sheared and damaged. The device has simple structure and low manufacturing cost; when the masonry test block 8 is detected, the operation is simple and convenient, and the efficiency is higher.
As a specific implementation manner of the integral self-balancing masonry overall shear test device provided by the utility model, please refer to fig. 1 and 2, the rear side of two longerons 1 is equipped with two intercrossing connecting rods 9, the both ends of any connecting rod 9 set firmly on two longerons 1 respectively, in this embodiment, connecting rod 9 cross sectional dimension is L80 x 8mm, the steel material is q235b, two connecting rod 9 middle parts are alternately, it is fixed through the mode of welding or bolt, the tip top-down of the same side of two connecting rods 9 is fixed on longeron 1, the tip of the other homonymy of two connecting rods 9 is fixed on opposite side longeron 1 from bottom to top, two criss-cross connecting rods 9 can improve the structural strength of "door" shape structure that is formed by two longerons 1 and a crossbeam 2 enclose, avoid this "door" shape structure to take place deformation in the testing process, and influence final experimental result.
As a specific implementation manner of the integral self-balancing masonry overall shear test device provided by the utility model, please refer to fig. 1 to 2, the longitudinal beam 1 has two connecting plates 10 fixed from top to bottom, and the end of the connecting rod 9 is fixed on the longitudinal beam 1 through the connecting plate 10. In this embodiment, the number of the connecting plates 10 is four, and two connecting plates are welded and fixed to the longitudinal beam 1 and are respectively located on the upper portion and the lower portion of the rear side wall of the longitudinal beam 1. The tip of connecting rod 9 is fixed on connecting plate 10 through a plurality of bolts, and a plurality of bolts that are located on same connecting plate 10 distribute along the length direction of connecting rod 9, and connecting rod 9 not only can guarantee the joint strength of connecting rod 9 and longeron 1 through bolted connection, also can make things convenient for the dismantlement of connecting rod 9.
As a specific embodiment of the integral self-balancing masonry overall shear test device provided by the present invention, please refer to fig. 1 to 2, and the fixing rods 11 are respectively located between two connecting plates 10 of the lower portion of the two longitudinal beams 1. In this embodiment, dead lever 11 level sets up, and bolted connection is passed through on the connecting plate 10 of both sides at both ends, and dead lever 11 can further consolidate longeron 1 of both sides, avoids crossbeam 2 and longeron 1 to enclose to establish and form the frame construction and warp.
As a specific implementation manner of the integral self-balancing masonry overall shear test device provided by the utility model, please refer to fig. 1, the clamping frame 4 includes the fixing plate 41 and the clamping plate 42.
The fixing plate 41 is longitudinally and fixedly arranged at the lower parts of the opposite side walls of the longitudinal beam 1; two clamping plates 42 are fixed on the fixing plate 41 from top to bottom, and the two clamping plates 42 are used for clamping one side of the masonry test block 8. In this embodiment, the fixing plate 41 is welded to the lower portion of the longitudinal beam 1 and located on the opposite side walls, the fixing plate 41 and the two clamping plates 42 are connected by bolts or welding to enclose two U-shaped frames with opposite openings, and two protruding structures on two sides of the concrete structure at the lower portion of the masonry test block 8 are respectively clamped in the two U-shaped frames, so that the masonry test block 8 is kept stable.
As a specific implementation manner of the integral self-balancing masonry overall shear test device provided by the utility model, please refer to fig. 1 and 4, the support frame 12 for supporting the second driving mechanism 6 is fixedly arranged below the second driving mechanism 6, and the lower part of the support frame 12 is provided with the yielding channel 121 for the clamping frame 4 to pass through. In this embodiment, support frame 12 includes the sideboard that roof and both sides extend downwards, and the middle part of two sideboard still is connected with the reinforcing plate, and the reinforcing plate is used for increasing whole support frame 12's intensity, and the roof of support frame 12 is located the lower part of second actuating mechanism 6 for support second actuating mechanism 6, can further guarantee second actuating mechanism 6's stability, prevent its atress after the displacement. Two sideboard lower parts form and step down passageway 121, and this step down passageway 121 supplies the concrete structure of clamping frame 4 and 8 lower parts of brickwork test block to pass through, avoids interfering, appears the condition that brickwork test block 8 is difficult to fix.
As a specific embodiment of the integral self-balancing masonry overall shear test device provided by the present invention, please refer to fig. 1 and 4, a plurality of first rollers 13 are disposed below the supporting frame 12. In this embodiment, the plurality of first rollers 13 on the lower portion of the support frame 12 can facilitate the movement of the support frame 12, and the use is convenient.
As a specific embodiment of the integral self-balancing masonry overall shear test device provided by the present invention, please refer to fig. 1 and 2, the lower ends of the two longitudinal beams 1 are all provided with a plurality of second rollers 14. In this embodiment, the second rollers 14 at the lower ends of the two longitudinal beams 1 can facilitate the movement of the whole device. The second roller 14 is a universal wheel, the masonry test block 8 is difficult to move, and the whole device is moved through the second roller 14. The device is placed behind a masonry test block 8 at first, the device is moved to the front side, the convex structures on two sides of the concrete structure of the masonry test block 8 are moved to two clamping portions on the opposite sides of a longitudinal beam 1, then a first driving mechanism 5 is started, the masonry test block 8 is compressed through a bearing beam 3, and therefore the masonry test block 8 is fixed, and preparation is made for a final shear test.
As a specific implementation manner of the whole shear test device of integral type self-balancing brickwork, please refer to fig. 3, the front side and the rear side of longeron 1 all are equipped with bracing piece 17, and 1 middle part of longeron is located in the one end of bracing piece 17 is articulated, and the other end of bracing piece 17 is equipped with and is used for leaning on the locating plate 18 on ground. In this embodiment, the middle part of the front side and the rear side of longeron 1 all articulates there is the bracing piece 17, when needs mobile device, bracing piece 17 can lift off in advance, also can let bracing piece 17 upwards overturn, treat the device back that targets in place, before the experiment, erection bracing piece 17 or with bracing piece 17 downwardly rotating, make locating plate 18 of bracing piece 17 lower extreme support by subaerial, a plurality of connecting holes have been seted up on locating plate 18, adopt the earth anchor to pass the connecting hole and pound into the underground, accomplish the fixed of locating plate 18, thereby make bracing piece 17 fix the both sides at longeron 1, be used for supporting longeron 1, guarantee the stability of whole device.
As the utility model provides a whole shear test device of integral type self-balancing brickwork a specific embodiment, please refer to fig. 5 to 7, draw-in groove 19 has been seted up at the front side of longeron 1 and the middle part of rear side, just be the back when the device, the upper end top of bracing piece 17 is leaned on the upper portion at this draw-in groove 19, adjust the angle of bracing piece 17, make the lower extreme of bracing piece 17 pass through locating plate 18 and support and lean on the bottom surface, and it is fixed through the earth anchor, thereby accomplish the support of longeron 1, use the mode that bracing piece 17 is direct to lean on with draw-in groove 19 top, make things convenient for the dismouting of bracing piece 17, can select to use bracing piece 17 according.
As a specific implementation manner of the integral self-balancing masonry overall shear test device provided by the present invention, please refer to fig. b, and the first driving mechanism 5, the second driving mechanism 6 and the third driving mechanism 7 are jacks. In this embodiment, the jack adopts oil pressure drive, for oil jack, can provide sufficient power. Wherein, first actuating mechanism 5 adopts 20T hydraulic jack, and bearing pressure above the simulation brickwork test block 8. The second driving mechanism 6 and the third driving mechanism 7 adopt 50T oil jacks to simulate the relative shearing force on two sides of the masonry test block 8, the first driving mechanism 5, the second driving mechanism 6 and the third driving mechanism 7 all adopt direct-reading jacks, and each pressure value can be conveniently determined, wherein the shearing value when the masonry test block 8 is transversely broken is the sum of the pressure values of the second driving mechanism 6 and the third driving mechanism 7.
The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.
Claims (10)
1. Integral type self-balancing brickwork test device that wholly shears, its characterized in that includes:
the clamping frames are used for clamping and fixing masonry test blocks;
the cross beam is fixedly arranged at the upper ends of the two longitudinal beams, and a bearing beam is horizontally arranged below the cross beam;
the first driving mechanism is longitudinally arranged between the cross beam and the pressure-bearing beam and is used for driving the pressure-bearing beam to apply downward pressure to the top of the masonry test block;
the second driving mechanism is transversely arranged at the upper parts of the opposite side walls of the longitudinal beam and is used for applying horizontal pressure to the upper part of one side of the masonry test block;
and the third driving mechanism is transversely arranged at the lower part of the opposite side wall of the other longitudinal beam and is used for applying horizontal pressure to the lower part of the other side of the masonry test block.
2. The integrated self-balancing masonry integral shear test device of claim 1, wherein two connecting rods are arranged at the rear sides of the two longitudinal beams and are intersected with each other, and two ends of any one connecting rod are fixedly arranged on the two longitudinal beams respectively.
3. The integrated self-balancing masonry integral shear test device of claim 2, wherein the longitudinal beam is fixedly provided with two connecting plates from top to bottom, and the end part of the connecting rod is fixedly arranged on the longitudinal beam through the connecting plates.
4. The integrated self-balancing masonry integral shear test device of claim 3, wherein a fixing rod is fixedly connected between two connecting plates respectively located at the lower parts of two longitudinal beams.
5. The integrated self-balancing masonry integral shear test device of claim 1, wherein the clamping frame comprises:
the fixing plates are longitudinally and fixedly arranged at the lower parts of the opposite side walls of the longitudinal beam;
and the two clamping plates are fixed on the fixed plate from top to bottom, and are used for clamping one side of the masonry test block.
6. The integral shear test device for the integrated self-balancing masonry of claim 1, wherein a support frame for supporting the second driving mechanism is fixedly arranged below the second driving mechanism, and an abdicating channel for the clamping frame to pass through is arranged at the lower part of the support frame.
7. The integrated self-balancing masonry integral shear test device of claim 6, wherein a plurality of first rollers are arranged below the support frame.
8. The integrated self-balancing masonry integral shear test device of claim 1, wherein the lower ends of the two longitudinal beams are provided with a plurality of second rollers.
9. The integral self-balancing masonry shear test device of claim 1, wherein the front side and the rear side of the longitudinal beam are provided with support rods, one end of each support rod is hinged to the middle of the longitudinal beam, and the other end of each support rod is provided with a positioning plate for abutting against the ground.
10. The integrated self-balancing masonry integral shear test device of claim 1, wherein the first drive mechanism, the second drive mechanism and the third drive mechanism are jacks.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922069011.6U CN211013865U (en) | 2019-11-26 | 2019-11-26 | Integral self-balancing masonry integral shear test device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922069011.6U CN211013865U (en) | 2019-11-26 | 2019-11-26 | Integral self-balancing masonry integral shear test device |
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| CN211013865U true CN211013865U (en) | 2020-07-14 |
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| CN201922069011.6U Active CN211013865U (en) | 2019-11-26 | 2019-11-26 | Integral self-balancing masonry integral shear test device |
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| CN (1) | CN211013865U (en) |
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