CN206292121U - One kind is multi-functional to mount strength test device - Google Patents

Abstract

The utility model discloses a multifunctional hanging strength test device, which comprises an upper clamping assembly and a lower clamping assembly, the upper clamping assembly includes a hanging joint, an adapter sleeve and an upper connecting column, and the hanging joint is composed of a cylinder and a clamp Composed of connectors, an internal threaded hole is opened along the central axis of the cylinder, the inner lower part of the adapter sleeve is snap-fit connected with the snap-in part of the hook joint, and the lower part of the upper connecting column and the inner upper part of the adapter sleeve are detachable Connection; the lower clamping assembly includes a base, a splint, a lower connecting column and a positioning part. There are chutes on both sides of the upper surface of the base, a splint above the notch of the chute, and an adjustment hole on the splint. The positioning part The lower end of the chute is slidably matched with the chute, the positioning part moves upwards through the adjustment hole of the splint and is fixed along the adjustment hole so that the splint is pressed against the test sample to clamp the test sample on the base, and the upper end of the lower connecting column is fixed on the base on the lower surface of the . The utility model can meet the requirements of the standard, and can meet the requirements of most hanging process tests.

Description

A multifunctional hanging strength test device

technical field

The utility model relates to a hanging strength test device, in particular to a multifunctional hanging strength test device.

Background technique

In recent years, with the development of construction technology, especially curtain wall technology, stone hanging technology has been widely used in many projects. At present, the method of hanging stone with back bolt is widely used, that is, drilling holes on the back of the stone, and using the hanging type that the anchor bolt is connected with the keel. The anchor bolt plays the role of transmitting the bearing capacity of the curtain wall, and its installation structure strength plays a very important role in the entire structural system. Since the hanging process is mostly used in outdoor projects, the environment is changeable, and the connection between the plate and the metal material is actually a rigid and brittle connection, and there is no vertical support system, it is completely a horizontal enclosure structure, once the connection between the stone and the pendant fails , It will cause the stone to fall, so there is a considerable safety hazard. It can be said that the stone hanging strength is the key to the success of the whole project, so the hanging strength detection has gradually been paid attention to and has become an important mechanical performance index.

At present, the testing of the hanging strength is mainly carried out in accordance with the testing technical requirements in the standard GB/T 9966.7-2001 "Test methods for natural facing stones Part 7: Test methods for testing the hanging strength of panel pendant combination units". In this "Standard", there is only a simple schematic diagram of the hanging strength test shown in Figure 1, and there is no specific description of the test device. According to the schematic diagram in Figure 1, the test sample 18 is placed on the platform, and the two sides of the test sample 18 Constrained by the clamping plate 17 , an upward pulling force F is applied to the mounting assembly 16 . Therefore, in the prior art, there is no special hanging strength test device. In addition, there are many types of hanging products with different thicknesses, and the test method of hanging strength test in the "Standard" is difficult to meet the requirements of most hanging process tests.

Utility model content

The purpose of the utility model is to provide a multifunctional hanging strength test device with simple structure, low manufacturing cost, small size, convenient installation and disassembly, simple and fast operation, and wide application range, which can meet most hanging process test requirements.

The purpose of this utility model is achieved through the following technical measures: a multifunctional hanging strength test device, characterized in that it includes an upper clamping assembly and a lower clamping assembly, and the upper clamping assembly includes a hanging joint, a rotating The connecting sleeve and the upper connecting column, the connecting joint is mainly composed of a cylinder and a clamping piece arranged on the top of the cylinder, and an internal thread hole is opened along the central axis of the cylinder, and the connecting sleeve The lower part of the inner part is engaged with the clamping part of the connecting joint, and the cylinder of the connecting joint extends below the adapter sleeve, and the lower part of the upper connecting column is detachably connected with the inner upper part of the adapter sleeve. The upper end of the upper connecting column is used to be fixed on the crossbeam of the universal testing machine; the lower clamping assembly includes a block-shaped base, a pair of elongated splints, the lower connecting column and positioning parts, There are chute on both sides of the upper surface, a splint is provided above the notch of the chute, and a long adjustment hole is opened on the splint, the lower end of the positioning part is slidably matched with the chute, so that The positioning part moves upwards through the adjustment hole of the splint and is fixed along the adjustment hole so that the splint is pressed against the test sample so as to clamp the test sample on the base, and the upper end of the lower connecting column is fixed on the lower surface of the base, The lower end of the lower connecting column is used to be fixed on the platform of the universal testing machine.

The utility model can meet the requirements of the standard, and can meet the requirements of most hanging process tests. The diameter of the internally threaded hole used to connect the mounting components can be changed according to the specific situation. The applicable mounting components (including anchor bolts, nuts and washers) have a wide range of specifications. Currently, there are 6mm, 8mm, 10mm, 12mm and other couplings, covering a wide range of Commonly used installation component specifications; moreover, the utility model has powerful functions and a wide range of applicable materials. It can not only be used in the strength test of curtain wall stone hanging, but also can be used in concrete drawing, light wall panels, ceramics, clay panels, etc. In the hanging strength test of materials, it can especially meet the testing requirements of various sample specifications such as ultra-thick and special-shaped, and provide customers with diversified testing services. In addition, the utility model has the advantages of simple structure, low cost, small size, convenient installation and disassembly, simple and quick operation, good durability, stable test results and good data repeatability, so it is suitable for wide popularization and application.

As an improvement of the present utility model, the upper surface of the base is provided with a longitudinal central line and a transverse central line respectively along its longitudinal central axis and transverse central axis, and two opposite sides of the base are provided with Along the horizontally arranged scale, the middle part of the scale is a zero scale, and the longitudinal middle line corresponds to the zero scale of the scale, and the scales located on both sides of the zero scale are arranged symmetrically. In order to adjust the mounting assembly on the test sample to the central position of the base.

As a further improvement of the utility model, there is a gap between the clamping part of the hanging joint and the lower end of the upper connecting column. In order to connect the hook joint to the mounting assembly of the test sample.

As an embodiment of the present invention, the clamping part of the hanging joint is composed of a lower spherical segment and an upper short column, and the cylinder, spherical segment and short column of the hanging joint are concentric, so The inner and lower part of the adapter sleeve is provided with an accommodation cavity suitable for the spherical segment, so that the hook joint is snapped into the adapter sleeve.

As an embodiment of the present utility model, the positioning component adopts T-shaped bolts, washers and nuts, and a pair of adjusting holes are arranged on each splint, and a positioning component is installed in each adjusting hole, and the T-shaped The bolt is mainly composed of a screw rod and a slider located at its lower end. The slider is adapted to the chute and moves in the chute. The screw rod passes through the adjustment hole upwards and a washer is installed, and then the nut is tightened to press the splint. Tightly on the test sample.

As an embodiment of the present invention, the cross section of the chute is an inverted T shape, and the cross section of the slider of the T-shaped bolt is also an inverted T shape.

As an embodiment of the present invention, the edge of the washer is provided with a gauge point extending toward the scale scale, and the gauge point has a tip indicating the scale scale.

As a preferred embodiment of the present utility model, the universal testing machine adopts CMT5105 microcomputer-controlled electronic universal testing machine, which is convenient to load during the test, adopts the instrument with high degree of automation, the precision is 0.5 grade, and the detection data is accurate and reliable. Moreover, the testing machine is equipped with two force sensors, respectively 0-10KN and 0-100KN, both of which have passed the verification of the measuring institution. Mounting strength loading with different strength requirements can be realized.

As an embodiment of the present invention, the diameter of the threaded hole in the cylinder of the coupling joint is 6mm, 8mm, 10mm or 12mm, so as to adapt to the specifications of the installation components of 6mm, 8mm, 10mm or 12mm.

As an embodiment of the present invention, the outer wall of the lower part of the upper connecting column is provided with threads, the upper part of the transfer sleeve is provided with threads, and the two are threaded; the middle circumference of the upper connecting column is provided with a stop ring.

Compared with the prior art, the utility model has the following remarkable effects:

(1) The utility model can meet the requirements of the standard and most of the test requirements of the hanging process. The diameter of the internally threaded hole used to connect the mounting components can be changed according to the specific situation. The applicable mounting components (including anchor bolts, nuts and washers) have a wide range of specifications. Currently, there are 6mm, 8mm, 10mm, 12mm and other couplings, covering a wide range of Commonly used mounting component specifications.

(2) The utility model has powerful functions and a wide range of applicable materials. It can be used not only in the hanging strength test of curtain wall stone, but also in the hanging strength test of concrete drawing, light wall panels, ceramics, clay panels and other materials. , especially to meet the testing requirements of various sample specifications such as ultra-thick and special-shaped, and provide customers with diversified testing services.

(3) The universal testing machine of this utility model adopts the CMT5105 microcomputer-controlled electronic universal testing machine, which is convenient to load during the test. The instrument has a high degree of automation, a precision of 0.5, and accurate and reliable testing data. Moreover, the testing machine is equipped with two force sensors, respectively 0-10KN and 0-100KN, both of which have passed the verification of the measuring institution. Mounting strength loading with different strength requirements can be realized.

(4) The utility model has the advantages of simple structure, low cost, small size, convenient installation and disassembly, simple and fast operation, good durability, stable test results, and good data repeatability, so it is suitable for wide promotion and application.

Description of drawings

Below in conjunction with accompanying drawing and specific embodiment the utility model is described in further detail.

Figure 1 is a schematic diagram of the existing hanging strength test;

Fig. 2 is a structural perspective view of the utility model hanging joint;

Fig. 3 is a structural perspective view of an adapter sleeve of the present invention;

Fig. 4 is the perspective view of the structure of the upper connecting column of the utility model;

Fig. 5 is a perspective view of the overall structure of the lower clamping assembly of the present invention;

Fig. 6 is a schematic diagram of the three-dimensional structure of the T-bolt of the present invention.

detailed description

As shown in Figures 2 to 6, it is a multifunctional hanging strength test device of the present invention, which includes an upper clamping assembly and a lower clamping assembly. The upper clamping assembly includes a hanger 1, an adapter sleeve 2 and an upper connecting column 3. The hanger 1 is mainly composed of a cylinder 11 and a clip 12 arranged on the top of the cylinder 11, along the central axis of the cylinder 11. An internally threaded channel 13 is provided, and the internally threaded channel 13 is used to connect the installation components on the test sample. The inner lower part of the adapter sleeve 2 is engaged with the clamping part 12 of the hook joint 1. In this embodiment, the clamping The connecting piece 12 is composed of the lower spherical segment and the upper short column, and the cylinder, the spherical segment and the short column of the coupling joint 1 are coaxial, and the inner lower part of the adapter sleeve 2 is provided with a housing suitable for the spherical segment. Cavity, so that the link joint 1 is engaged in the adapter sleeve 2, the cylinder 11 of the link joint 1 extends below the transfer sleeve 2, and the lower part of the upper connecting column 3 and the inner upper part of the adapter sleeve 2 can be connected. To disassemble the connection, specifically, the lower outer wall of the upper connecting column 3 is provided with threads, the inner upper part of the adapter sleeve 2 is provided with threads, the two are threaded, and the middle circumference of the upper connecting column 3 is provided with a retaining ring 15 . The upper end of the upper connecting column 3 is used to be fixed on the beam of the universal testing machine. There is a gap between the clamping piece 12 of the hook head 1 and the lower end of the upper connecting column 3, so as to connect the hanger head to the mounting assembly of the test sample.

The lower clamping assembly includes a block-shaped base 4, a pair of elongated splints 5, a lower connecting column 6 and a positioning component. There are chute 41 on both sides of the upper surface of the base 4, and the notch of the chute 41 A splint 5 is provided above, and a long strip-shaped adjustment hole 51 is opened on the splint 5. The lower end of the positioning part 7 is slidably matched with the chute 41, and the positioning part passes through the adjustment hole 51 of the splint 5 upwards and moves along the adjustment hole 51 and is fixed. The splint 5 is pressed against the test sample so that the test sample is clamped on the base 4, the upper end of the lower connecting column 6 is fixed on the lower surface of the base 4, and the lower end of the lower connecting column 6 is used to be fixed on the platform of the universal testing machine superior. In this embodiment, the positioning parts adopt T-shaped bolts 71, washers 72 and nuts 73. A pair of adjusting holes 51 are arranged on each splint 5, and a positioning part is installed in each adjusting hole 51. The T-shaped bolts 71 are mainly composed of Screw rod 74 and the slide block 75 that is located at its lower end form, and slide block is adapted to slide groove 41 and moves in slide groove 41, and the cross section of slide groove 41 is inverted T shape, and the cross section of the slide block of T shape bolt also It is an inverted T shape, the screw rod passes through the adjustment hole 51 upwards, and the washer 72 is installed, and then tightened by the nut 73 to press the splint 5 on the test sample.

On the upper surface of the base 4, along its longitudinal central axis and transverse central axis, there are respectively longitudinal mid-score lines 7 and transverse mid-score lines 8, and two opposite sides of the base 4 are provided with scales 9 set along the transverse direction. , the middle part of the scale 9 is the zero scale 10, and the vertical midline 7 corresponds to the zero scale of the scale 9, and the scales on both sides of the zero scale 10 are arranged symmetrically, so as to adjust the mounting components on the test sample to the central position of the base . The edge of the washer 72 is provided with a gauge stop 14 extending toward the scale scale, and the gauge stop 14 has a tip indicating the scale scale.

In this embodiment, the base is a rectangular body with a length of 500mm, a width of 250mm, and a T-shaped bolt with a height of 180mm. It is suitable for testing samples with a width of 100-400mm, a length of more than 250mm, and a thickness of less than 150mm. The required sample "length and width are 300mm, and the thickness is the actual thickness" has a wide range, so the utility model has a large measuring range.

In this embodiment, the universal testing machine adopts CMT5105 microcomputer-controlled electronic universal testing machine, which is easy to load during the test. The instrument has a high degree of automation, the precision is 0.5, and the detection data is accurate and reliable. Moreover, the testing machine is equipped with two force sensors, respectively 0-10KN and 0-100KN, both of which have passed the verification of the measuring institution. Mounting strength loading with different strength requirements can be realized.

The diameter of the threaded hole in the cylinder of the hanging joint can be 6mm, 8mm, 10mm or 12mm, so as to adapt to the specifications of the installation components such as 6mm, 8mm, 10mm or 12mm.

The use process of the present utility model is:

1. Install the base of the lower clamping assembly on the CMT5105 universal testing machine platform through the lower connecting column, and fix it with pins.

2. Put a rubber pad on the base, and then place the test sample in the center of the upper surface of the base, symmetrical to the horizontal and longitudinal central engraved lines, and the longitudinal central axis of the test sample corresponds to the zero scale on the scale , to ensure that the mounting components of the test sample are in the center of the base.

3. Install 4 T-shaped bolts, slide them gently along the chute, and touch both sides of the test sample, but not tightly. Gently install the splint, and the 2 T-bolts on each chute are symmetrically distributed in the adjustment holes of the splint. Then install the washer and finally tighten the nut to fix the test sample on the base.

4. Select the hanging joint that conforms to the specification of the combined installation component, put it into the adapter sleeve, and then combine it with the upper connecting column to become the upper clamping assembly; leave a certain distance between the inner hanging joint of the adapter sleeve and the upper connecting column. High degree of free space. Install the upper clamping assembly on the beam of the CMT5105 universal testing machine through the upper connecting column, and fix it with pins.

5. Adjust the crossbeam of the CMT5105 universal testing machine to move down slowly, and at the same time gently support the hanging joint with your hands, so that the upper part of the hanging joint touches the lower end of the upper connecting column, and stop when the hanging joint is only a few millimeters away from the sample installation component. Move the middle beam of CMT5105 universal testing machine. Carefully tighten the hanging joint through the internal threaded hole and the anchor bolt of the installation component, and connect it well. The test sample is installed.

6. Open the test software on the computer, edit the test loading plan; turn on the power of the CMT5105 universal testing machine, and reset the force value of the test software; start loading, and record the data until the installation components are broken and damaged, and calculate the mounting strength.

The embodiment of the utility model is not limited thereto. According to the above content of the utility model, according to the common technical knowledge and conventional means in this field, without departing from the above-mentioned basic technical idea of the utility model, the hanging joint and the adapter of the utility model There are other implementations for the snap-fit connection between the connecting sleeves, the detachable connection between the upper connecting column and the adapter sleeve, the positioning components, and the shapes of the chute and the sliding block. Therefore, the utility model can also be modified, replaced or changed in various forms, all of which fall within the protection scope of the utility model.

Claims (10)

1. one kind is multi-functional mounts strength test device, it is characterised in that：It includes upper clamp assemblies and lower clamp assemblies, described Upper clamp assemblies include hanging joint, switching sleeve and upper connecting pole, and the hanging joint is main by cylinder and on cylinder top Shackle member composition, offer internal thread duct, the interior bottom of the switching sleeve and hanging joint along the axis of the cylinder Shackle member to be connected together, and the cylinder of hanging joint extends the lower section of switching sleeve, the bottom of the upper connecting pole with it is described To be detachably connected, the upper end of the upper connecting pole is used to be fixed on the crossbeam of universal testing machine to switching sleeve internal upper part；Institute Base, the clamping plate of a pair of strips, lower connecting pole and the positioning element of lower clamp assemblies including block shape are stated, on the base The both sides on surface are provided with chute, and clamping plate is provided with above the notch of the chute, and the regulation of strip is provided with the clamping plate Hole, lower end and the slide of the positioning element coordinate, and the positioning element is upward through the adjustment hole of clamping plate along adjustment hole Move and fix so that clamping plate is pressed on test specimen so as to test specimen is clamped on base, the lower connecting pole it is upper End is fixed on the lower surface of base, and the lower end of the lower connecting pole is used to be fixed on universal test machine platform.

It is 2. according to claim 1 multi-functional to mount strength test device, it is characterised in that：In the upper surface of the base On be respectively equipped with longitudinal direction groove in groove and transverse direction along its longitudinal central axis line and horizontal axis, it is and two relative in base Side is provided with along the scale of horizontally set, and the middle part of the scale is zeromark, groove and scale in the longitudinal direction Zeromark is corresponding, and the scale positioned at zeromark both sides is symmetrical set.

It is 3. according to claim 2 multi-functional to mount strength test device, it is characterised in that：The shackle member of the hanging joint There is space and the lower end of upper connecting pole between.

It is 4. according to claim 3 multi-functional to mount strength test device, it is characterised in that：The shackle member of the hanging joint It is made up of the segment of bottom and the short column on top, and the cylinder of the hanging joint, segment and short column are concentric, the reducing sleeve The interior bottom of cylinder is provided with the accommodating chamber being adapted with segment, so as to hanging joint is fastened in switching sleeve.

It is 5. according to claim 4 multi-functional to mount strength test device, it is characterised in that：The positioning element uses T Shape bolt, packing ring and nut, the adjustment hole are set a pair on each clamping plate, and a location division is installed in each adjustment hole Part, the main sliding block by screw rod and located at its lower end of the tommyhead bolt is constituted, and the sliding block is adapted and in chute with chute Mobile, the screw rod is upward through mounting gasket after adjustment hole, then is fastened by nut and clamping plate is pressed on test specimen.

It is 6. according to claim 5 multi-functional to mount strength test device, it is characterised in that：The cross section of the chute is Inverted T-shaped, the cross section of the sliding block of the tommyhead bolt is also inverted T-shaped.

It is 7. according to claim 6 multi-functional to mount strength test device, it is characterised in that：On the edge of the packing ring The gauge length screens for stretching to scale label is provided with, the gauge length screens has the tip of indicator scale scale.

It is 8. according to claim 7 multi-functional to mount strength test device, it is characterised in that：The universal testing machine is used CMT5105 microcomputer controlled electronic universal testers.

It is 9. according to claim 8 multi-functional to mount strength test device, it is characterised in that：The bottom of the upper connecting pole Outer wall is provided with screw thread, and the switching sleeve internal upper part is provided with screw thread, the two threaded connection；The middle part circumference of the upper connecting pole sets There is baffle ring.

It is 10. according to claim 9 multi-functional to mount strength test device, it is characterised in that：The cylinder of the hanging joint A diameter of 6mm, 8mm, 10mm or the 12mm in internal thread duct.