CN218067011U

CN218067011U - Guardrail horizontal bearing capacity detection device

Info

Publication number: CN218067011U
Application number: CN202222355723.6U
Authority: CN
Inventors: 李宁; 魏建友; 郭宝峰; 朱春月; 高永刚; 肖晓; 马思宇; 韩颖
Original assignee: Guojian Testing Holding Group Beijing Co ltd
Current assignee: Guojian Testing Holding Group Beijing Co ltd
Priority date: 2022-09-05
Filing date: 2022-09-05
Publication date: 2022-12-16
Anticipated expiration: 2032-09-05

Abstract

The utility model discloses a horizontal bearing capacity detection device of guardrail belongs to guardrail detection technology field, and its technical scheme main points are horizontal bearing capacity detection device of guardrail, the measuring component of displacement when including application of force subassembly, coupling assembling, a plurality of backing sheet and a plurality of measurement guardrail atress, application of force subassembly include to horizontal thrust's application of force spare, dowel steel are applyed to the guardrail, dowel steel one end with the application of force end of application of force spare is connected, and the other end passes through coupling assembling is with a plurality of the backing sheet is connected, measuring component with the guardrail is connected, reaches and is convenient for carry out measuring effect to the different positions of guardrail.

Description

Guardrail horizontal bearing capacity detection device

Technical Field

The utility model belongs to the technical field of the guardrail detects and specifically relates to a guardrail level bearing capacity detection device is related to.

Background

At present, guardrails are commonly used in houses, public buildings, roads and other scenes, and safety spaces are divided by the guardrails, so that personal safety is protected, and meanwhile, equipment can be protected.

Because the different use scenes also differ to the intensity requirement of guardrail, and can have the potential safety hazard when the guardrail can not resist sufficient thrust, need in time change it, the staff can detect its thrust that can bear after accomplishing the installation of guardrail in use scenes such as stairwell, among the correlation technique, the staff applies horizontally thrust to a certain point on the guardrail through the application of force spare, and use the displacement of measuring the guardrail near guardrail atress department of measuring piece, thereby judge whether the horizontal bearing capacity of guardrail quilt measured department accords with the safety standard.

According to the related technology, when horizontal thrust is applied to the guardrail, the guardrail usually has only one stress point, and when other positions are measured, the measuring equipment needs to be moved and reinstalled, so that the defect that different positions of the guardrail are inconvenient to measure exists.

SUMMERY OF THE UTILITY MODEL

In order to measure the different positions of guardrail for the convenience, the utility model provides a guardrail level bearing capacity detection device.

The utility model provides a pair of guardrail horizontal bearing capacity detection device adopts following technical scheme:

the utility model provides a guardrail horizontal bearing capacity detection device, includes force application subassembly, coupling assembling, a plurality of backing sheet and a plurality of measuring guardrail measuring component of displacement when atress, the force application subassembly include to force application piece, the dowel bar that horizontal thrust was applyed to the guardrail, dowel bar one end with the application of force end of force application piece is connected, and the other end passes through coupling assembling is with a plurality of the backing sheet is connected, measuring component with the guardrail is connected.

Through adopting above-mentioned technical scheme, after the guardrail is installed, can measure horizontal bearing capacity to it, force application spare can provide horizontal thrust to the guardrail through biography power pole, and a plurality of backing sheets can make the thrust that the guardrail received more even with the guardrail butt, sets up a plurality of measuring pieces in the position of difference, through measuring the measuring of measuring piece to the guardrail displacement, can judge simultaneously whether up to standard the horizontal bearing capacity of the different positions of guardrail.

Preferably, the force application member is an anchor rod drawing instrument, the anchor rod drawing instrument comprises a hydraulic oil cylinder and a manual pump, the piston end of the hydraulic oil cylinder is connected with the dowel bar, the length direction of the dowel bar is parallel to the force application direction of the hydraulic oil cylinder, and the manual pump is connected with the hydraulic oil cylinder.

Through adopting above-mentioned technical scheme, the stock is drawn the thrust that the appearance can manual control to the guardrail, and hydraulic cylinder can apply force steadily, and the horizontal force that makes the guardrail receive evenly increases.

Preferably, coupling assembling includes linking bridge and reinforcement roof beam, the reinforcement roof beam with linking bridge fixed connection, just the dowel steel stretches into inside the reinforcement roof beam and with the reinforcement roof beam can be dismantled and be connected, the dowel steel the length direction of reinforcement roof beam with the stock is drawn the application of force direction of appearance the same, the backing sheet with linking bridge keeps away from one side that the appearance was drawn to the stock is connected.

Through adopting above-mentioned technical scheme, linking bridge and reinforcing beam can improve equipment stability, make the dowel bar transmit the backing sheet for with power more evenly, make things convenient for the staff to hold simultaneously.

Preferably, the dowel bar is sleeved with a limit nut and a gasket, the limit nut is in threaded connection with the dowel bar, the gasket is located between the limit nut and the connecting support, one side of the gasket is abutted to the limit nut, the other side of the gasket is abutted to the connecting support, and the cross-sectional area of the gasket is larger than the outer diameter of the limit nut.

By adopting the technical scheme, the limiting nut can limit the distance that the dowel bar extends into the reinforcing beam, so that the dowel bar is not easy to slide in the reinforcing beam when being subjected to the thrust of the hydraulic oil cylinder, and the measuring result is inaccurate; the gasket can increase the area of contact of nut, reduces the pressure between nut and the fixed beam, protection nut, dowel steel and reinforcement roof beam.

Preferably, coupling assembling is still including connecting the lead screw, connect the lead screw with connecting support keeps away from the connection can be dismantled to one side of dowel steel, the backing sheet is kept away from one side fixedly connected with connecting rod of guardrail, the connecting rod is kept away from the one end of backing sheet is seted up the confession the groove that the connecting lead screw stretches into, the connecting rod with it rotates to be connected to connect the lead screw.

Through adopting above-mentioned technical scheme, fixation nut makes things convenient for the staff to make the connection lead screw rotate, connects the lead screw and can finely tune the distance between backing sheet and the linking bridge, makes its and guardrail butt more closely, improve equipment flexibility ratio, and the backing sheet rotate with the connection lead screw under spacing piece, the effect of connecting rod to be connected, can make the connection lead screw backing sheet can always with the guardrail butt when rotating.

Preferably, one end of the connecting screw rod, which is close to the connecting rod, is fixedly connected with a coaxial limiting piece, and a limiting groove matched with the limiting piece in size is formed in the bottom surface of the connecting rod.

Through adopting above-mentioned technical scheme, spacing piece makes the difficult roll-off in following the connecting rod of connecting the lead screw, and the nut can carry on spacingly to the backing sheet, makes it steadily with the guardrail butt, is difficult for taking place to rotate.

Preferably, the measuring component includes measuring part, installation roof beam and is used for the centre gripping the snap ring of guardrail, the installation roof beam with the measuring part is connected, set up the confession on the installation roof beam the hole that the snap ring passed, just the cover is equipped with mounting nut and mounting pad on the snap ring, the mounting pad is located the installation roof beam with between the mounting nut, mounting pad one side with the installation roof beam butt, the opposite side with the mounting nut butt.

Through adopting above-mentioned technical scheme, snap ring passes through the nut with the installation roof beam after closely the butt with the guardrail and is connected, can make the guardrail drive the installation roof beam and produce the displacement, makes the measuring part can directly measure the displacement of installing the roof beam, reduces because of measuring the error that the guardrail periphery produced, and the mounting pad can reduce the pressure of installation nut to installing the roof beam simultaneously.

Preferably, the measuring part is a dial indicator, a probe of the dial indicator abuts against one side, far away from the guardrail, of the mounting beam, and a fixing gauge stand for adjusting the position and the angle of the dial indicator is connected to the mounting end of the dial indicator.

Through adopting above-mentioned technical scheme, the percentage table has higher flexibility ratio, and is more sensitive to the measurement of displacement, with the probe and the installation roof beam butt of percentage table to indirect measurement guardrail is receiving the displacement of horizontal thrust time, and fixed gauge stand can be adjusted the position and the angle of percentage table, supports the base and provides the support for percentage table and fixed gauge stand, makes it more stable when measuring, reduces the error.

Preferably, one side of the hydraulic oil cylinder, which is far away from the dowel bar, is detachably connected with a counter-force supporting table.

Through adopting above-mentioned technical scheme, hydraulic cylinder can cause the reaction force to the wall at the in-process of application of force, and hydraulic cylinder stretches into inside the reaction force that can make hydraulic cylinder of reaction supporting bench and disperses to inside the reaction supporting bench, and the area of contact of reaction supporting bench and wall body is greater than the area of contact of hydraulic cylinder and wall body, can reduce the harm that causes the wall body.

To sum up, the utility model discloses following beneficial effect has:

1. the force application piece can provide horizontal thrust, and the dowel steel transmits horizontal thrust for the backing sheet, sets up a plurality of backing sheets and can make the force application piece carry out the multiple spot application of force to the guardrail uniformly to make a plurality of measuring pieces can measure the horizontal bearing capacity of guardrail different positions simultaneously.

2. Through adjusting the length that the dowel bar stretches into in the reinforcing beam and the length that the connecting screw pole stretches into linking bridge, can make the measuring result more accurate with backing sheet and guardrail butt with suitable angle and position.

3. The installation roof beam passes through snap ring and guardrail butt, can the displacement of guardrail under the stress state in step, and the displacement of guardrail can be measured indirectly to the probe and the installation roof beam butt of percentage table, and compares the direct circumference wall butt with the guardrail of probe, can reduce because of the error that the probe slides and produces.

Drawings

Fig. 1 is a schematic structural diagram of an embodiment of the present application.

Fig. 2 is a partial exploded view of an embodiment of the present application intended to illustrate a measurement assembly.

Fig. 3 is a partial exploded view of the spacing piece according to the embodiment of the present application.

Description of reference numerals:

1. a force application assembly; 11. an anchor rod drawing instrument; 111. a hydraulic cylinder; 112. a manual pump; 12. a dowel bar; 121. a limit nut; 122. a gasket; 2. a connecting assembly; 21. connecting a bracket; 22. reinforcing the beam; 23. connecting a lead screw; 231. a limiting sheet; 232. adjusting the nut; 3. a support sheet; 31. a connecting rod; 4. a measurement assembly; 41. mounting a beam; 42. a snap ring; 421. mounting a nut; 422. a mounting pad; 43. a dial indicator; 431. a probe; 432. fixing the gauge stand; 5. a support base; 6. a counter-force support platform.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

The utility model provides a guardrail horizontal bearing capacity detection device, as shown in figure 1 and figure 2, includes application of force subassembly 1, coupling assembling 2, backing sheet 3, measuring component 4, supports base 5 and reaction brace table 6, coupling assembling 2 is connected with application of force subassembly 1, backing sheet 3 respectively, and measuring component 4 is connected with the guardrail, and reaction brace table 6 is connected with wall body, application of force subassembly 1 respectively.

As shown in fig. 1, application of force subassembly 1 includes application of force spare and dowel steel 12, application of force spare can be that the stock draws appearance 11 or electric putter, this application embodiment adopts the stock to draw appearance 11, the stock is drawn appearance 11 and is included hydraulic cylinder 111, manual pump 112, hydraulic cylinder 111 and manual pump 112 pass through the pipe connection, dowel steel 12 sets up the screwed round bar structure for the surface, its one end is fixed connection with hydraulic cylinder 111's piston end, and the length direction of dowel steel 12 is parallel with hydraulic cylinder 111's application of force direction.

When the manual hydraulic lifting device is used, the piston of the hydraulic oil cylinder 111 can be pushed outwards by pressing the manual pump 112, and the hydraulic oil cylinder 111 drives the dowel bar 12 to move forwards when the dowel bar 12 is fixedly connected with the hydraulic oil cylinder 111.

As shown in fig. 1, the connecting assembly 2 includes a connecting support 21, a reinforcing beam 22 and a plurality of connecting screws 23, the connecting support 21 is a triangular frame structure composed of three rod-shaped structures with square longitudinal sections, the symmetry axis of the connecting support coincides with the length direction of the dowel bar 12, the reinforcing beam 22 is a rod-shaped structure with a square longitudinal section and is fixedly connected with the connecting support 21, the length direction of the reinforcing beam 22 coincides with the symmetry axis of the connecting support 21, a groove for the dowel bar 12 to extend into is formed inside the reinforcing beam 22, and the reinforcing beam 22 is in threaded connection with one end of the dowel bar 12 close to the reinforcing beam 22.

As shown in fig. 1 and 3, one end of each of the connecting screws 23 is in threaded connection with one end of the connecting bracket 21 away from the dowel steel 12, one end of each of the connecting screws 23 away from the connecting bracket 21 is fixedly connected with a limiting piece 231, each of the limiting pieces 231 is of a circular plate-shaped structure and is coaxial with the connecting screw 23, and the diameter of each of the limiting pieces 231 is greater than that of the connecting screw 23.

As shown in fig. 1 and fig. 3, the supporting sheet 3 is an arc-shaped plate-shaped structure, one side of the supporting sheet, which is close to the center of the circle, abuts against the guardrail, the other side of the connecting sheet 31 is fixedly connected with the connecting rod 31, the end of the connecting sheet, which is far away from the supporting sheet 3, is provided with a groove matched with the diameter of the connecting screw 23, the bottom surface of the groove is provided with a limiting groove matched with the size of the limiting sheet 231, the connecting screw 23 is rotatably connected with the connecting rod 31, the connecting screw 23 is sleeved with two adjusting nuts 232, one side of one adjusting nut 232 abuts against the connecting rod 31, one side of the other adjusting nut 232 abuts against one side of the connecting support 21, which is close to the connecting screw 23, so that the force transmission rod 12 pushes the connecting support 21, and the connecting screw 23 is not easy to slide in the connecting rod 31 and the connecting support 21.

During the use, with a plurality of backing sheets 3 and the guardrail treat the surface butt of the part to be detected to the one end and the linking bridge 21 threaded connection that make connecting screw 23 keep away from backing sheet 3, will adjust nut 232 and revolve respectively to and support sheet 3, linking bridge 21 butt after confirming the position.

As shown in fig. 1 and 2, the measuring assembly 4 includes a mounting beam 41, a snap ring 42, and a measuring element, the mounting beam 41 is a vertical channel steel structure with a C-shaped cross section, the snap ring 42 is a semi-circular structure with a free end extending horizontally, a part of the outer surface of the horizontally extending portion of the snap ring 42 is provided with threads, two opposite side surfaces of the mounting beam 41 are provided with holes for the snap ring 42 to pass through, the snap ring 42 is sleeved with a mounting nut 421, the snap ring 42 is limited by the mounting nut 421, the snap ring 42 is further sleeved with a mounting pad 422, the mounting pad 422 is located between the mounting nut 421 and the mounting beam 41, one side of the mounting pad 422 is abutted to the mounting nut 421, and the other side is abutted to the mounting beam 41.

As shown in fig. 1 and 2, the measuring part may be a dial indicator 43 or a displacement sensor, in the embodiment of the present application, the dial indicator 43 is adopted, the probe 431 of the dial indicator 43 abuts against the side surface of the mounting beam 41, a fixed gauge stand 432 capable of adjusting the position and the angle of the dial indicator 43 is fixedly connected to the dial indicator 43, and a supporting base 5 is fixedly connected to the bottom surface of the fixed gauge stand 432.

When the guardrail fixing device is used, the clamp ring 42 is sleeved on one side of the outer surface of the guardrail, which is far away from a wall body, the free end of the clamp ring penetrates through the hole formed in the mounting beam 41, and the mounting nut 421 is rotated until the mounting nut 421 is tightly abutted to the mounting pad 422, so that the mounting beam 41 and the guardrail are fixed; when the mounting beam 41 displaces along with the guardrail, the probe 431 is kept in a state of abutting against the mounting beam 41 under the action of the spring inside the dial indicator 43, and the displacement of the guardrail when the horizontal thrust is applied can be known through reading of the dial indicator 43.

As shown in fig. 1, the reaction force support table 6 is a rectangular parallelepiped structure, one side of which perpendicular to the force application direction abuts against the wall, and the other side of which is provided with a groove adapted to a surface of the hydraulic cylinder 111 away from the piston end, so that the hydraulic cylinder 111 partially extends into the reaction force support table 6 and abuts against the reaction force support table 6.

The utility model discloses a use as follows:

when the guardrail connecting device is used, a worker presses the manual pump 112 to enable the piston of the hydraulic oil cylinder 111 to extend out and push the dowel bar 12, and the dowel bar 12 sequentially transmits the pushing force to the connecting bracket 21, the supporting sheet 3 and the outer surface of the guardrail abutted to the supporting sheet 3.

The clamp ring 42 is sleeved on the outer surface of the guardrail and penetrates through the installation beam 41, the installation beam 41 is fixed with the guardrail through the clamp ring 42 along with the installation nut 421 gradually screwed in to be tightly abutted with the installation pad 422, so that the installation beam 41 generates displacement due to the movement of the guardrail, the dial indicator 43 is abutted with the installation beam 41 through the probe 431 to measure the displacement of the installation beam 41, namely, the displacement of the guardrail can be indirectly obtained, meanwhile, a plurality of measuring assemblies 4 can be placed at different positions of the guardrail, and the displacement of the guardrail at multiple points can be recorded simultaneously when thrust is applied.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims

1. The utility model provides a guardrail horizontal bearing capacity detection device which characterized in that: including force application component (1), coupling assembling (2), a plurality of backing sheet (3) and a plurality of measuring guardrail measuring component (4) of displacement when atress, force application component (1) including to the guardrail applies force application piece, dowel steel (12) of horizontal thrust, dowel steel (12) one end with the application of force end of force application piece is connected, and the other end passes through coupling assembling (2) and a plurality of backing sheet (3) are connected, measuring component (4) with the guardrail is connected.

2. The guardrail horizontal bearing capacity detection device of claim 1, characterized in that: the force application piece is anchor rod drawing instrument (11), anchor rod drawing instrument (11) includes hydraulic cylinder (111) and hand pump (112), the piston end of hydraulic cylinder (111) with dowel steel (12) are connected, just the length direction of dowel steel (12) with the force application direction of hydraulic cylinder (111) is parallel, hand pump (112) with hydraulic cylinder (111) are connected.

3. The guardrail horizontal bearing capacity detection device of claim 2, characterized in that: coupling assembling (2) are including linking bridge (21) and reinforcement roof beam (22), reinforcement roof beam (22) with linking bridge (21) fixed connection, just dowel steel (12) stretch into reinforcement roof beam (22) inside and with reinforcement roof beam (22) can be dismantled and be connected, dowel steel (12) the length direction of reinforcement roof beam (22) with the stock is drawn the application of force direction of appearance (11) the same, backing sheet (3) with linking bridge (21) are kept away from the stock is drawn one side of appearance (11) and is connected.

4. The guardrail horizontal bearing capacity detection device of claim 3, characterized in that: the utility model discloses a dowel steel, including dowel steel, dowel steel (12) go up the cover and be equipped with stop nut (121) and gasket (122), stop nut (121) with dowel steel (12) threaded connection, gasket (122) are located stop nut (121) with between linking bridge (21), gasket (122) one side with stop nut (121) butt, the opposite side with linking bridge (21) butt, the cross-sectional area of gasket (122) is greater than the external diameter of stop nut (121).

5. The guardrail horizontal bearing capacity detection device of claim 4, wherein: coupling assembling (2) are still including connecting lead screw (23), connect lead screw (23) with linking bridge (21) are kept away from the connection can be dismantled to one side of dowel steel (12), keep away from backing sheet (3) one side fixedly connected with connecting rod (31) of guardrail, connecting rod (31) are kept away from the confession is seted up to the one end of backing sheet (3) connect the groove that lead screw (23) stretched into, connecting rod (31) with it rotates to be connected to connect lead screw (23).

6. The guardrail horizontal bearing capacity detection device of claim 5, wherein: one end of the connecting screw rod (23) close to the connecting rod (31) is fixedly connected with a coaxial limiting piece (231), and a limiting groove matched with the limiting piece (231) in size is formed in the bottom surface of the connecting rod (31).

7. The guardrail horizontal bearing capacity detection device of claim 1, wherein: the measuring component (4) comprises a measuring piece, an installation beam (41) and a clamping ring (42) used for clamping the guardrail, the installation beam (41) is connected with the measuring piece, a hole is formed in the installation beam (41) for the clamping ring (42) to pass through, an installation nut (421) and a mounting pad (422) are sleeved on the clamping ring (42), the mounting pad (422) is located between the installation beam (41) and the installation nut (421), one side of the mounting pad (422) is abutted to the installation beam (41), and the other side of the mounting pad is abutted to the installation nut (421).

8. The guardrail horizontal bearing capacity detection device of claim 7, wherein: the measuring part is a dial indicator (43), a probe (431) of the dial indicator (43) is abutted to one side, far away from the guardrail, of the mounting beam (41), and the mounting end of the dial indicator (43) is connected with a fixed gauge stand (432) for adjusting the position and the angle of the dial indicator (43).

9. The guardrail horizontal bearing capacity detection device of claim 2, wherein: and one side of the hydraulic oil cylinder (111) far away from the dowel bar (12) is detachably connected with a reaction support platform (6).