CN219455897U - Chemical anchoring drawing tester - Google Patents

Abstract

The application relates to a chemical anchoring drawing testing machine, and relates to the field of drawing load tests. The device comprises two vertical plates fixedly mounted on the ground, a top plate is welded at the top of the two vertical plates, an actuator is fixedly mounted at the top of the top plate, and the output end of the actuator penetrates through the bottom of the top plate and is fixedly connected with a connecting block. According to the utility model, the concrete anchoring block is placed on the top of the bottom plate, then the connecting shell is sleeved on the chemical anchor bolt, the moving plate is moved to enable the L-shaped frame to be propped against the concrete anchoring block, then the threaded rod is operated, the pressing plate is moved downwards to be pressed on the top of the concrete anchoring block, so that the concrete anchoring block is effectively fixed, the bolt alignment time is saved, the fixing efficiency of the concrete anchoring block is improved, and then the connecting block, the fixing plate and the connecting shell can be lifted upwards by the actuator to carry out drawing test on the chemical anchor bolt on the concrete anchoring block.

Description

Chemical anchoring drawing tester

Technical Field

The application relates to the field of pull load tests, in particular to a chemical anchoring pull testing machine.

Background

The drawing test is a traditional method for testing the drawing force of an anchor bolt, namely, the drawing force is applied to the anchor bolt through a tension meter (hydraulic jack) until the design requirement is met or the anchor bolt loosens, when the drawing test is carried out, the hydraulic jack is placed between a supporting plate and a nut, the nut is screwed down, a certain prestress is applied, then the hydraulic pump is used for pressurizing, corresponding readings on the hydraulic meter and a displacement meter are recorded at the same time, when the pressure or displacement reading reaches a preset value, or when the reading of the pressure meter is lowered and the reading of the displacement meter is increased, the pressurizing is stopped, and after the test, the displacement load curve of the anchor bolt can be tidied, so that the stress condition of the anchor bolt is analyzed.

The same principle is also true of the chemical anchoring pull test principle, and in the practical use process, the concrete with the chemical anchor rod needs to be moved to the lower part of the pull test machine and fixed with the embedded bolt on the ground, for example, a post-anchoring chemical anchor rod pull test system disclosed in (publication number: CN 211086053U) is required to be arranged, and when the concrete is installed with the embedded bolt on the ground, the concrete is required to be subjected to distance measurement and punching in advance according to the bolt on the ground, and the concrete is required to be aligned during installation, so that the post-anchoring chemical anchor rod pull test system is more troublesome.

Disclosure of Invention

In order to solve the technical problem in the prior art, the application provides a chemical anchoring drawing testing machine.

The application provides a chemistry anchor drawing test machine adopts following technical scheme: the utility model provides a chemistry anchor draws testing machine, including two risers of fixed mounting in ground, the top welding of two risers has the roof, the top fixed mounting of roof has the actuator, the output of actuator runs through to the bottom of roof and fixedly connected with connecting block, the bottom fixedly connected with fixed plate of connecting block, the bottom sliding connection of fixed plate has three connection shell, the bottom fixedly connected with bottom plate between two risers, concrete anchor has been placed at the top of bottom plate, the top chemistry anchor of concrete anchor has the chemistry crab-bolt, connect the shell cover and establish the surface at the chemistry crab-bolt, one side of riser runs through and is provided with mobilizable movable board, the equal fixedly connected with L shape frame of one side of two movable boards, the top of L shape frame runs through and is provided with the threaded rod, the surface and the L shape frame threaded connection of threaded rod, the inner chamber of threaded rod bottom extension to L shape frame rotates and is connected with the clamp plate, the clamp plate presses the top at the concrete anchor.

Through adopting above-mentioned technical scheme, through placing the concrete anchor block in the top of bottom plate, then make the connection shell cover on the chemical anchor bolt, remove the movable plate and make L shape frame support on the concrete anchor block, then operate the threaded rod, make the clamp plate remove down and press the top at the concrete anchor block, make the concrete anchor block obtain effectual fixed, the bolt counterpoint time has been saved, the fixed efficiency of concrete anchor block has been improved, then can make the actuator upwards pull connecting block, fixed plate and coupling shell carry out the test of drawing to the chemical anchor bolt on the concrete anchor block.

Preferably, one side of each vertical plate opposite to the other is fixedly connected with a positioning sleeve sleeved on the surface of the movable plate, the top of the positioning sleeve is penetrated and provided with a fastening bolt, the surface of the fastening bolt is in threaded connection with the positioning sleeve, and the bottom of the fastening bolt is propped against the top of the movable plate.

Through adopting above-mentioned technical scheme, through the cooperation use of spacer bush and fastening bolt, the movable plate can slide at the inner chamber of spacer bush at the in-process that removes, when waiting that L shape frame supports on the concrete anchor piece, the user can twist fastening bolt for fastening bolt moves down and supports on the movable plate, in order to realize the fixed to the movable plate, has guaranteed the steady state of movable plate, and then has improved the fastening effect of concrete anchor piece through L shape frame.

Preferably, a hand wheel is fixedly arranged at the top of the threaded rod.

Through adopting above-mentioned technical scheme, through the setting of hand wheel, can facilitate the user rotate the threaded rod, provide the application point for the user rotates the threaded rod.

Preferably, the front side and the rear side at the top of the pressing plate are fixedly connected with guide rods, the tops of the guide rods penetrate through the tops of the L-shaped frames, and the surfaces of the guide rods are in sliding connection with the L-shaped frames.

Through adopting above-mentioned technical scheme, through the setting of guide bar, the in-process that the clamp plate reciprocated drives the guide bar and slides on L shape frame, provides direction and spacing for the up-and-down motion of clamp plate, has improved the stability of clamp plate up-and-down motion.

Preferably, a plurality of arc openings are formed in the front side of the connecting shell, and one of the arc openings is sleeved on the surface of the chemical anchor bolt.

Preferably, the bottom of the fixed plate is provided with a rectangular cavity, the inner cavity of the rectangular cavity is connected with a sliding block in a sliding mode, and the bottom of the sliding block is welded with the connecting shell.

Preferably, the inner cavity of the rectangular cavity is welded with three limiting rods, and the sliding block is connected to the surfaces of the three limiting rods in a sliding manner.

Through adopting above-mentioned technical scheme, through the cooperation use of arc mouth, rectangle chamber, gag lever post and sliding block, promote the in-process that the connection shell reciprocated and can drive the sliding block and slide at the surface of gag lever post to the arc mouth on the convenient connection shell can conveniently overlap on the chemical anchor bolt.

Preferably, the right side at the top of the top plate is fixedly provided with a displacement loading and data acquisition device, and the displacement loading and data acquisition device is electrically connected with the connecting block.

In summary, the present application includes at least one of the following beneficial technical effects:

1. according to the utility model, the concrete anchoring block is placed on the top of the bottom plate, then the connecting shell is sleeved on the chemical anchor bolt, the movable plate is moved to enable the L-shaped frame to be propped against the concrete anchoring block, then the threaded rod is operated, the pressing plate is moved downwards to be pressed on the top of the concrete anchoring block, so that the concrete anchoring block is effectively fixed, the bolt alignment time is saved, the fixing efficiency of the concrete anchoring block is improved, then the connecting block, the fixing plate and the connecting shell can be lifted upwards by the actuator to carry out drawing test on the chemical anchor bolt on the concrete anchoring block, and the problem that the concrete filled with the chemical anchor bolt needs to be moved to the position below a drawing tester and fixed with an embedded bolt on the ground in the actual use process is solved, for example, the post-anchoring chemical anchor bolt drawing test system disclosed in (publication number: CNU) is also used for measuring distance and aligning the concrete according to the bolt on the ground in advance when the concrete is installed, and the problem of trouble is also obtained when the concrete is installed.

2. According to the utility model, through the matched use of the locating sleeve and the fastening bolt, the movable plate can slide in the inner cavity of the locating sleeve in the moving process, when the L-shaped frame is propped against the concrete anchoring block, a user can screw the fastening bolt, so that the fastening bolt downwards moves to prop against the movable plate, the movable plate is fixed, the stable state of the movable plate is ensured, and the fastening effect of the concrete anchoring block is improved through the L-shaped frame.

3. According to the utility model, through the arrangement of the hand wheel, a user can conveniently rotate the threaded rod, and a force application point is provided for the user to rotate the threaded rod.

4. According to the utility model, through the arrangement of the guide rod, the guide rod is driven to slide on the L-shaped frame in the process of moving the pressing plate up and down, so that the guide and the limit are provided for the up and down movement of the pressing plate, and the stability of the up and down movement of the pressing plate is improved.

5. According to the utility model, through the cooperation of the arc-shaped opening, the rectangular cavity, the limiting rod and the sliding block, the sliding block is driven to slide on the surface of the limiting rod in the process of pushing the connecting shell to move forwards and backwards, so that the arc-shaped opening on the connecting shell can be conveniently sleeved on a chemical anchor bolt.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this application, are included to provide a further understanding of the application and to provide a further understanding of the application with regard to the other features, objects and advantages of the application. The drawings of the illustrative embodiments of the present application and their descriptions are for the purpose of illustrating the present application and are not to be construed as unduly limiting the present application. In the drawings:

fig. 1 is a schematic diagram of the structure of the present utility model.

Fig. 2 is a schematic perspective view of a partial structure of the present utility model.

Fig. 3 is a schematic bottom perspective view of the fixing plate and the connecting shell of the present utility model.

Reference numerals illustrate: 1. a vertical plate; 2. a top plate; 3. an actuator; 4. a connecting block; 5. a fixing plate; 6. a connection housing; 7. a bottom plate; 8. a concrete anchor block; 9. chemical anchor bolts; 10. a moving plate; 11. an L-shaped frame; 12. a threaded rod; 13. a pressing plate; 14. a positioning sleeve; 15. a fastening bolt; 16. a hand wheel; 17. a guide rod; 18. an arc-shaped opening; 19. a rectangular cavity; 20. a limit rod; 21. a sliding block; 22. and the displacement loading and data acquisition device.

Detailed Description

In order to make the present application solution better understood by those skilled in the art, the following description will be made in detail and with reference to the accompanying drawings in the embodiments of the present application, it is apparent that the described embodiments are only some embodiments of the present application, not all embodiments. All other embodiments, which can be made by one of ordinary skill in the art based on the embodiments herein without making any inventive effort, shall fall within the scope of the present application.

It should be noted that the terms "first," "second," and the like in the description and claims of the present application and the above figures are used for distinguishing between similar objects and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used may be interchanged where appropriate in order to describe the embodiments of the present application described herein. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.

In the present application, the terms "upper", "lower", "left", "right", "front", "rear", "top", "bottom", "inner", "outer", "middle", "vertical", "horizontal", "lateral", "longitudinal" and the like indicate an azimuth or a positional relationship based on that shown in the drawings. These terms are used primarily to better describe the present application and its embodiments and are not intended to limit the indicated device, element or component to a particular orientation or to be constructed and operated in a particular orientation.

Also, some of the terms described above may be used to indicate other meanings in addition to orientation or positional relationships, for example, the term "upper" may also be used to indicate some sort of attachment or connection in some cases. The specific meaning of these terms in this application will be understood by those of ordinary skill in the art as appropriate.

In addition, the term "plurality" shall mean two as well as more than two.

It should be noted that, in the case of no conflict, the embodiments and features in the embodiments may be combined with each other. The present application will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.

The present application is described in further detail below in conjunction with figures 1-3.

Embodiment one:

referring to fig. 1 and 3, the embodiment of the application discloses a chemical anchoring drawing tester, which comprises two vertical plates 1 fixedly installed on the ground, wherein a top plate 2 is welded at the top of the two vertical plates 1, an actuator 3 is fixedly installed at the top of the top plate 2, the output end of the actuator 3 penetrates to the bottom of the top plate 2 and is fixedly connected with a connecting block 4, the bottom of the connecting block 4 is fixedly connected with a fixed plate 5, the bottom of the fixed plate 5 is slidably connected with three connecting shells 6, the bottom between the two vertical plates 1 is fixedly connected with a bottom plate 7, a concrete anchoring block 8 is placed at the top of the bottom plate 7, a top chemical anchoring chemical anchor 9 of the concrete anchoring block 8 is sleeved on the surface of the chemical anchor 9, one side of the vertical plate 1 is penetrated and provided with a movable moving plate 10, one side opposite to the two moving plates 10 is fixedly connected with an L-shaped frame 11, the positioning sleeves 14 sleeved on the surfaces of the movable plates 10 are fixedly connected to the opposite sides of the two vertical plates 1, the top parts of the positioning sleeves 14 are penetrated and provided with fastening bolts 15, the surfaces of the fastening bolts 15 are in threaded connection with the positioning sleeves 14, the bottoms of the fastening bolts 15 are abutted against the top parts of the movable plates 10, the movable plates 10 slide in the inner cavity of the positioning sleeves 14 in the moving process through the matching of the positioning sleeves 14 and the fastening bolts 15, when the L-shaped frames 11 are abutted against the concrete anchoring blocks 8, a user can screw the fastening bolts 15 so that the fastening bolts 15 downwards move and abut against the movable plates 10 to fix the movable plates 10, the stable state of the movable plates 10 is ensured, the fastening effect of the concrete anchoring blocks 8 is improved through the L-shaped frames 11, the tops of the L-shaped frames 11 are penetrated and provided with threaded rods 12, the surfaces of the threaded rods 12 are in threaded connection with the L-shaped frames 11, the bottom of threaded rod 12 extends to the inner chamber of L shape frame 11 and rotates and be connected with clamp plate 13, the front side at clamp plate 13 top and the equal fixedly connected with guide bar 17 of rear side, the top of guide bar 17 runs through to the top of L shape frame 11, guide bar 17's surface and L shape frame 11 sliding connection, through the setting of guide bar 17, clamp plate 13 reciprocates the in-process drive guide bar 17 slide on L shape frame 11, provide direction and spacing for clamp plate 13's up-and-down motion, the stability of clamp plate 13 up-and-down motion has been improved, clamp plate 13 presses the top at concrete anchor 8, the top fixed mounting of threaded rod 12 has hand wheel 16, through the setting of hand wheel 16, can make things convenient for the user to rotate threaded rod 12, provide the application point for the user to rotate threaded rod 12, the right side fixed mounting at roof 2 top has displacement loading and data acquisition device 22 and connecting block 4 electric connection.

Embodiment two:

in combination with fig. 1 to 3, the front side of the connection shell 6 is provided with a plurality of arc openings 18, one of the arc openings 18 is sleeved on the surface of the chemical anchor bolt 9, the bottom of the fixing plate 5 is provided with a rectangular cavity 19, the inner cavity of the rectangular cavity 19 is slidably connected with a sliding block 21, the bottom of the sliding block 21 is welded with the connection shell 6, the inner cavity of the rectangular cavity 19 is welded with three limiting rods 20, the sliding block 21 is slidably connected on the surface of the three limiting rods 20, and the sliding block 21 can be driven to slide on the surface of the limiting rods 20 in the process of pushing the connection shell 6 to move forwards and backwards through the cooperation of the arc openings 18, the rectangular cavity 19, the limiting rods 20 and the sliding block 21, so that the arc opening 18 on the connection shell 6 can be conveniently sleeved on the chemical anchor bolt 9.

Working principle: when the utility model is used, a user places the concrete anchoring block 8 on the top of the bottom plate 7, then makes the connecting shell 6 move at the bottom of the fixed plate 5, makes the arc-shaped opening 18 sleeved on the chemical anchor bolt 9, tightens the nut on the chemical anchor bolt 9, moves the movable plate 10 in opposite directions to make the L-shaped frame 11 prop against the concrete anchoring block 8, then operates the threaded rod 12 to rotate, makes the pressing plate 13 move downwards to press on the top of the concrete anchoring block 8, makes the concrete anchoring block 8 effectively fixed, saves bolt alignment time, improves the fixing efficiency of the concrete anchoring block 8, then controls the actuator 3 to lift the connecting block 4, the fixed plate 5 and the connecting shell 6 upwards by the displacement loading and data acquisition device 22 to carry out drawing test on the chemical anchor bolt 9 on the concrete anchoring block 8, records the whole loading process and the whole process real-time force-displacement curve in real time, and the type of the displacement loading and data acquisition device 22 is a commercial MTS 469D control system, and has the advantages of high displacement precision and easiness in control.

To sum up: this chemistry anchor draws testing machine, through placing concrete anchor piece 8 in the top of bottom plate 7, then make coupling shell 6 cover on chemical anchor 9, remove movable plate 10 and make L shape frame 11 support on concrete anchor piece 8, then operate threaded rod 12, make clamp plate 13 remove down and press the top at concrete anchor piece 8, make concrete anchor piece 8 obtain effectual fixed, the bolt counterpoint time has been saved, the fixed efficiency of concrete anchor piece 8 has been improved, can make actuator 3 upwards carry out the drawing test to chemical anchor 9 on the concrete anchor piece 8 by then, the problem is solved in the in-process of in-service use and is required to remove the concrete that is equipped with chemical anchor to the below of drawing testing machine and fix with subaerial pre-buried bolt, like the publication No.: the rear anchoring chemical anchor bolt drawing test system disclosed in CN211086053U has the advantages that when concrete and an on-ground embedded bolt are installed, the holes are also required to be drilled on the concrete according to the on-ground bolt in a distance measuring mode, and the holes are required to be aligned during installation, so that the problem of inconvenience is solved.

The foregoing description is only of the preferred embodiments of the present application and is not intended to limit the same, but rather, various modifications and variations may be made by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application should be included in the protection scope of the present application.

Claims (8)

1. The chemical anchoring drawing testing machine is characterized in that: including two riser (1) of fixed mounting in ground, the top welding of two riser (1) has roof (2), the top fixed mounting of roof (2) has actuator (3), the output of actuator (3) runs through to the bottom of roof (2) and fixedly connected with connecting block (4), the bottom fixedly connected with fixed plate (5) of connecting block (4), the bottom sliding connection of fixed plate (5) has three connection shell (6), the bottom fixedly connected with bottom plate (7) between two riser (1), concrete anchor block (8) have been placed at the top of bottom plate (7), the top chemical anchor inherent chemical anchor bolt (9) of concrete anchor block (8), connection shell (6) cover is established on the surface of chemical anchor bolt (9), one side of riser (1) runs through and is provided with mobilizable movable board (10), and the opposite side of two movable boards (10) all fixedly connected with L shape frame (11), the top of L shape frame (11) is provided with three connection shell (6), threaded rod (12) have been placed at the top of bottom plate (7) and threaded rod (12) are rotated on the surface of threaded rod (12) and are connected with L shape frame (11), the pressing plate (13) is pressed on the top of the concrete anchoring block (8).

2. The chemical anchoring pullout testing machine of claim 1, wherein: the locating sleeves (14) are fixedly connected to one sides of the two vertical plates (1) which are opposite to each other and sleeved on the surfaces of the movable plates (10), fastening bolts (15) are arranged at the tops of the locating sleeves (14) in a penetrating mode, the surfaces of the fastening bolts (15) are in threaded connection with the locating sleeves (14), and the bottoms of the fastening bolts (15) are abutted to the tops of the movable plates (10).

3. The chemical anchoring pullout testing machine of claim 2, wherein: a hand wheel (16) is fixedly arranged at the top of the threaded rod (12).

4. A chemical anchoring pullout testing machine as claimed in claim 3, wherein: the front side and the rear side at the top of the pressing plate (13) are fixedly connected with guide rods (17), the tops of the guide rods (17) penetrate through the tops of the L-shaped frames (11), and the surfaces of the guide rods (17) are in sliding connection with the L-shaped frames (11).

5. The chemical anchoring pullout testing machine as claimed in claim 4, wherein: a plurality of arc-shaped openings (18) are formed in the front side of the connecting shell (6), and one arc-shaped opening (18) is sleeved on the surface of the chemical anchor bolt (9).

6. The chemical anchoring pullout testing machine of claim 5, wherein: rectangular cavities (19) are formed in the bottoms of the fixing plates (5), sliding blocks (21) are connected to the inner cavities of the rectangular cavities (19) in a sliding mode, and the bottoms of the sliding blocks (21) are welded with the connecting shell (6).

7. The chemical anchoring pullout testing machine of claim 6, wherein: the inner cavity of the rectangular cavity (19) is welded with three limiting rods (20), and the sliding block (21) is connected to the surfaces of the three limiting rods (20) in a sliding mode.

8. The chemical anchoring pullout testing machine of claim 7, wherein: the right side at the top of the top plate (2) is fixedly provided with a displacement loading and data acquisition device (22), and the displacement loading and data acquisition device (22) is electrically connected with the connecting block (4).