CN219455459U

CN219455459U - Building guardrail horizontal-resistance repeated load performance detection device

Info

Publication number: CN219455459U
Application number: CN202320234375.9U
Authority: CN
Inventors: 李新春; 颜丙山; 郭帅; 李晓鹏
Original assignee: Chongqing Construction Engineering Quality Inspection And Testing Center Co ltd
Current assignee: Chongqing Construction Engineering Quality Inspection And Testing Center Co ltd
Priority date: 2023-02-16
Filing date: 2023-02-16
Publication date: 2023-08-01
Anticipated expiration: 2033-02-16

Abstract

The utility model relates to a device for detecting horizontal repeated load resistance of a building guardrail, which comprises a base and an upright post arranged on the base, wherein a loading assembly for applying load to the guardrail is arranged on the upright post, and a detection assembly for detecting a load value applied to the guardrail by the loading assembly is arranged on the loading assembly. The upright post and the base are assembled on site, the horizontal repeated load performance test is carried out on the guardrail by the aid of the loading assembly and the detection assembly attached to the upright post and the base, supporting force is not needed to be provided by the aid of a building wall body or a specially manufactured counter-force wall, the use of the guardrail is not limited by site conditions, expansion bolts are not needed to be arranged, damage to the decorated ground is avoided, the installation is simple, the operation is easy, the detection cost is reduced, and the detection efficiency is improved.

Description

Building guardrail horizontal-resistance repeated load performance detection device

Technical Field

The utility model belongs to the technical field of detection devices, and particularly relates to a detection device for horizontal repeated load resistance of a building guardrail.

Background

The guardrails are arranged on the balcony, the stairs, the outer corridor and other temporary sides of the building, so that the safety use of the guardrails is guaranteed, the protection purpose is achieved, and the mechanical properties of the guardrails are required to meet the standard requirements. The current Chongqing city local standard (DBJ 50-T-123-2020) prescribes that the construction guardrail needs to be subjected to a horizontal repeated load resistance test during engineering quality acceptance.

There is no uniformly approved test equipment or device at present, and particularly, the load applied to the guardrail needs to be applied by a reaction frame, and the reaction frame used in the market at present needs to be provided with expansion bolts on the ground or has a large weight so as to provide enough reaction force. The guardrail mounting belongs to the decoration engineering, when the guardrail is checked and accepted, the ground decoration is finished, and the ground decoration is damaged by the expansion bolts; and too much dead weight is certainly detrimental to the handling of the equipment. And it is mentioned in the specification that a suction cup is installed at one side of the guardrail to apply an inward and outward force to the guardrail, but for a non-glass guardrail, the suction cup cannot be adsorbed on the surface of the guardrail, and then cannot apply an inward force to the guardrail.

Therefore, a simple and light detection device for the horizontal repeated load resistance of the building guardrail is needed, so that the detection device does not damage the ground decoration, is not limited by site conditions, and can be conveniently operated.

Disclosure of Invention

In view of the above, the utility model provides a device for detecting horizontal repeated load resistance of a building guardrail, which does not need to provide supporting force by means of a building wall or a specially manufactured counter-force wall, is not limited by site conditions in use, does not need to be provided with expansion bolts, avoids damaging the decorated ground, is simple in installation and is easy to operate.

The utility model provides a device for detecting horizontal repeated load resistance of a building guardrail, which adopts the following technical scheme:

the utility model provides a building guardrail anti level is load performance detection device repeatedly, includes the base and sets up in the stand of base, be provided with the loading subassembly that is used for applys the load to the guardrail on the stand, be provided with the detection subassembly that is used for detecting the loading subassembly and applys the load value to the guardrail on the loading subassembly.

Optionally, the stand is including all normal running fit setting at the inboard first stand of guardrail and the second stand in the guardrail outside, the loading subassembly is including being used for applying the first loading subassembly of outward load and being used for applying the second loading subassembly of inward load to the guardrail, first loading subassembly sets up in first stand, the second loading subassembly sets up in the second stand.

Optionally, the first loading subassembly includes first dwang and sets up in the first gasket of first dwang, first dwang and first stand threaded connection, first dwang can drive first gasket to advance or withdraw to the guardrail at the rotation in-process.

Optionally, the second loading subassembly includes second dwang and normal running fit setting in the cuff of second dwang, second dwang and first stand threaded connection, cuff sliding fit sets up in the second stand, the second dwang can make the second stand inwards, outside remove through the cuff in the rotation process.

Optionally, the detection component comprises a first pressure sensor, a second pressure sensor and a pressure display, wherein the first pressure sensor is used for detecting that an outward load value is applied to the guardrail, the second pressure sensor is used for detecting that an inward load value is applied to the guardrail, and the pressure display is used for displaying the load values of the first pressure sensor and the second pressure sensor.

Optionally, the second stand is provided with the slip hoop in a sliding way, fixedly provided with the connecting rod on the slip hoop, be provided with the second gasket on the connecting rod, the second pressure sensor sets up between second gasket and connecting rod.

Optionally, a diagonal brace for limiting the rotation of the upright is arranged between the upright and the base.

Optionally, a cushion block for adjusting levelness of the base is arranged under the base.

Optionally, the base is disposed on the inverted ridge, and fixing members for fixing the base on the inverted ridge are disposed on the base and located on two sides of the inverted ridge.

Optionally, be provided with the pin pole between base below and the ground, the length of pin pole is greater than the interval between the guardrail both columns, the both ends of pin pole are supported at the inboard root of guardrail both columns, be provided with first locating part and second locating part on the base respectively, first locating part sets up the inboard at the pin pole, the second locating part sets up in the guardrail and faces empty side.

In summary, the present utility model includes at least one of the following beneficial technical effects: the upright post and the base are assembled on site, the horizontal repeated load performance test is carried out on the guardrail by the aid of the loading assembly and the detection assembly attached to the upright post and the base, supporting force is not needed to be provided by the aid of a building wall body or a specially manufactured counter-force wall, the use of the guardrail is not limited by site conditions, expansion bolts are not needed to be arranged, damage to the decorated ground is avoided, the installation is simple, the operation is easy, the detection cost is reduced, and the detection efficiency is improved.

Drawings

FIG. 1 is a schematic view showing the overall structure of embodiment 1 of the present utility model;

FIG. 2 is an assembled schematic view of embodiment 1 of the present utility model;

FIG. 3 is a schematic view of the connection structure of the second pressure sensor, the slip collar, the connecting rod and the second shim of the present utility model;

FIG. 4 is a top view of a second loading assembly of the present utility model;

fig. 5 is an assembly schematic of embodiment 2 of the present utility model.

Reference numerals illustrate: 1. a base; 2. a first upright; 3. a second upright; 4. a first loading assembly; 41. a first rotating lever; 42. a first gasket; 5. a second loading assembly; 51. a second rotating lever; 52. a ferrule; 6. a detection assembly; 61. a first pressure sensor; 62. a second pressure sensor; 63. a pressure display; 7. a slip collar; 8. a connecting rod; 9. a second gasket; 10. a diagonal brace; 11. a cushion block; 12. a reverse bank; 13. a fixing member; 14. a pin rod; 15. ground surface; 16. a first limiting member; 17. a second limiting piece; 18. a guardrail.

Detailed Description

The utility model is described in further detail below with reference to fig. 1-5.

The embodiment of the utility model discloses a device for detecting horizontal repeated load resistance of a building guardrail.

Example 1:

referring to fig. 1, 2, 3 and 4, a device for detecting horizontal repeated load resistance of a building guardrail comprises a base 1 and a stand column arranged on the base 1, wherein a loading assembly for applying load to a guardrail 18 is arranged on the stand column, and a detection assembly 6 for detecting a load value applied to the guardrail 18 by the loading assembly is arranged on the loading assembly. The upright post and the base 1 and the loading component and the detection component 6 attached to the upright post and the base are assembled on site to carry out horizontal repeated load performance test on the guardrail, the support force is not required to be provided by a building wall body or a specially manufactured counter-force wall, the use of the guardrail is not limited by site conditions, expansion bolts are not required to be arranged, damage to the decorated ground is avoided, the installation is simple, the operation is easy, the detection cost is reduced, and the detection efficiency is improved.

The base 1 adopts square rods, and bolt holes are uniformly distributed in the square rods along the length direction of the square rods. The stand is the square pole, and the stand is including all normal running fit setting at the first stand 2 and the second stand 3 of guardrail 18, and first stand 2 and second stand 3, in this embodiment, the lower part of first stand 2 has the bolt hole along its length direction evenly distributed, installs first stand 2 on base 1 through the bolt. The lower part of the second upright post 3 is provided with a bolt hole, the second upright post 3 is arranged on the base 1 through a bolt, and the rotation of the upright post is limited through the tightness degree between the adjusting bolt and the upright post. And, through the bolt hole of base 1 length direction evenly distributed, can follow according to the space and the position on base 1 between two stands of in-service use condition adjustment, it is more convenient to use and adjust.

The detecting assembly 6 includes a first pressure sensor 61, a second pressure sensor 62, and a pressure display 63, where the first pressure sensor 61 is used to detect an outward load value applied to the guardrail 18, the second pressure sensor 62 is used to detect a Shi Jiana outward load value applied to the guardrail 18, the pressure display 63 is electrically connected to the first pressure sensor 61 and the second pressure sensor 62, and the pressure display 63 is used to display the load values of the first pressure sensor 61 and the second pressure sensor 62.

The loading assembly comprises a first loading assembly 4 for applying an outward load to the guardrail 18 and a second loading assembly 5 for applying an inward load to the guardrail 18, the first loading assembly 4 being arranged on the first upright 2 and the second loading assembly 5 being arranged on the second upright 3.

In this embodiment, the first loading component 4 includes a first rotating rod 41 and a first spacer 42 disposed on the first rotating rod 41, a threaded hole is formed in the first upright 2, one end of the first rotating rod 41 is provided with a handle, the other end is in threaded connection with the threaded hole of the first upright 2, a fixed end and a detection end of the first pressure sensor 61 are respectively installed between the first rotating rod 41 and the first spacer 42 and are coaxial, the first pressure sensor 61 is rotationally connected with the first rotating rod 41, and the first rotating rod 41 can drive the first spacer 42 to jack up or retract toward the guardrail 18 in the rotation process.

In this embodiment, the second loading assembly 5 includes a second rotating rod 51 and a ferrule 52 of the second rotating rod 51, one end of the second rotating rod 51 is provided with a handle, the other end is rotationally connected with the ferrule 52, a threaded hole is formed in the top of the first upright 2, the second rotating rod 51 is in threaded connection with the threaded hole of the first upright 2, the ferrule 52 can be slidably matched with the second upright 3 along the length direction of the second upright 3, and the second rotating rod 51 can enable the second upright 3 to move inwards and outwards through the ferrule 52 in the rotating process. .

The second upright 3 is provided with a sliding hoop 7 in a sliding manner, and the sliding hoop 7 is limited by sliding of the bolt on the second upright 3. The sliding hoop 7 is fixedly provided with a connecting rod 8 along a length direction perpendicular to the second upright 3, and both ends of the second pressure sensor 62 are respectively provided between the second gasket 9 and the connecting rod 8.

A cushion block 11 for adjusting the levelness of the base 1 is arranged under the base 1, and the cushion block 11 is placed on the ground so that the base 1 is kept horizontal.

In this embodiment, the counter ridge 12 is provided on the ground. The base 1 is provided with fixing members 13 for fixing the base 1 to the counter ridge 12 on both sides of the counter ridge 12. The fixing piece 13 adopts a pin bolt, the pin bolt is in threaded connection with the base 1 through a bolt, the two pin bolts clamp the counter-ridge 12, and under the cooperation of the cushion blocks 11, the base 1 is stably installed on the counter-ridge 12.

An inclined strut 10 for limiting the rotation of the upright is arranged between the upright and the base 1. In this embodiment, the diagonal brace 10 is installed between the first upright 2 and the base 1, bolt holes are formed in the diagonal brace 10, and then the diagonal brace is connected with the base 1 and the first upright 2 by bolts to form a triangle.

When the anti-loading device is used, the sliding hoop 7 is sleeved on the second upright post 3 and slides up and down to enable the second loading assembly 5 to slide to the position to be loaded, the second loading assembly is fixed by bolts, then the base 1 passes through the lower part of the guardrail 18, the fixing piece 13 and the second upright post 3 are mounted on the base 1 by the bolts, the two fixing pieces 13 are respectively positioned on the inner side and the outer side of the anti-bank 12, and then the base 1 is leveled by using the cushion block 11; the hoop 52 is sleeved on the second upright 3, the position of the first upright 2 is adjusted up and down, the first loading assembly 4 arranged on the first upright 2 is positioned at the to-be-loaded height, the diagonal brace 10 is arranged between the first upright 2 and the base 1, the outward acting force is applied to the guardrail by rotating the first rotating rod 41, the first rotating rod 41 is reversely rotated to unload after reaching a specified load and holding the load for a certain time, and a certain space is reserved between the gasket and the guardrail; and then the second rotating rod 51 is rotated to enable the second loading assembly 5 to apply inward acting force to the guardrail, the second rotating rod 51 is reversely rotated after a specified load is reached and the guardrail is held for a certain time, the second loading assembly 5 is enabled to finish one-time loading away from the guardrail, and the specified loading times are achieved in a circulating way, so that the test is completed.

Example 2:

referring to fig. 5, the present embodiment is different from embodiment 1 in that the base 1 is installed on the ground by installing the pin 14 when the counter ridge 12 is not installed on the ground.

A pin 14 is arranged between the lower part of the base 1 and the road surface 15, the length of the pin 14 is larger than the distance between two upright posts, and two ends of the pin 14 are supported at the root parts of the inner sides of the two upright posts of the guardrail 18, so that the pin 14 is supported on the two upright posts. The base 1 is provided with a first limiting piece 16 and a second limiting piece 17 respectively, the first limiting piece 16 and the second limiting piece 17 are both pin bolts, the first limiting piece 16 and the second limiting piece 17 are installed on the base 1 through bolts, the first limiting piece 16 abuts against the inner side of the pin rod 14, and the second limiting piece 17 abuts against the empty side of the guardrail 18 and is located on the outer side of the pin rod 14. The test method of this embodiment is the same as that of embodiment 1, and will not be described in detail here.

The above embodiments are not intended to limit the scope of the present utility model, so: all equivalent changes in structure, shape and principle of the utility model should be covered in the scope of protection of the utility model.

Claims

1. The utility model provides a building guardrail anti level repetitive load performance detection device which characterized in that: the guardrail loading device comprises a base (1) and a stand column arranged on the base (1), wherein a loading assembly for applying load to the guardrail (18) is arranged on the stand column, and a detection assembly (6) for detecting the load value applied by the loading assembly to the guardrail (18) is arranged on the loading assembly.

2. The device for detecting horizontal repeated load resistance of a building guardrail according to claim 1, wherein: the stand is including all normal running fit setting in the inboard first stand (2) of guardrail (18) and the second stand (3) in guardrail (18) outside, the loading subassembly is including being used for applying first loading subassembly (4) of outside load and being used for applying second loading subassembly (5) of interior load to guardrail (18), first loading subassembly (4) set up in first stand (2), second loading subassembly (5) set up in second stand (3).

3. The device for detecting horizontal repeated load resistance of a building guardrail according to claim 2, wherein: the first loading assembly (4) comprises a first rotating rod (41) and a first gasket (42) arranged on the first rotating rod (41), the first rotating rod (41) is in threaded connection with the first upright post (2), and the first rotating rod (41) can drive the first gasket (42) to push or retract towards the guardrail (18) in the rotating process.

4. The device for detecting horizontal repeated load resistance of a building guardrail according to claim 2, wherein: the second loading assembly (5) comprises a second rotating rod (51) and a hoop (52) which is arranged on the second rotating rod (51) in a rotating fit mode, the second rotating rod (51) is in threaded connection with the first upright (2), the hoop (52) is arranged on the second upright (3) in a sliding fit mode, and the second rotating rod (51) can enable the second upright (3) to move inwards and outwards through the hoop (52) in the rotating process.

5. The device for detecting horizontal repeated load resistance of a building guardrail according to claim 2, wherein: the detection assembly (6) comprises a first pressure sensor (61), a second pressure sensor (62) and a pressure display (63), wherein the first pressure sensor (61) is used for detecting that an outward load value is applied to the guardrail (18), the second pressure sensor (62) is used for detecting that an inward load value is applied to the guardrail (18), and the pressure display (63) is used for displaying the load values of the first pressure sensor (61) and the second pressure sensor (62).

6. The device for detecting horizontal repeated load resistance of a building guardrail according to claim 5, wherein: the second upright post (3) is provided with a sliding hoop (7) in a sliding manner, the sliding hoop (7) is fixedly provided with a connecting rod (8), the connecting rod (8) is provided with a second gasket (9), and the second pressure sensor (62) is arranged between the second gasket (9) and the connecting rod (8).

7. The device for detecting horizontal repeated load resistance of a building guardrail according to claim 2, wherein: an inclined strut (10) used for limiting the rotation of the upright post is arranged between the upright post and the base (1).

8. The device for detecting horizontal repeated load resistance of a building guardrail according to claim 2, wherein: cushion blocks (11) for adjusting levelness of the base (1) are arranged below the base (1).

9. The device for detecting horizontal repeated load resistance of a building guardrail according to claim 8, wherein: the base (1) is arranged on the reverse ridge (12), and fixing pieces (13) used for fixing the base (1) on the reverse ridge (12) are arranged on the base (1) and located on two sides of the reverse ridge (12).

10. The device for detecting horizontal repeated load resistance of a building guardrail according to claim 8, wherein: be provided with round pin pole (14) between base (1) below and ground (15), the length of round pin pole (14) is greater than the interval between guardrail (18) both sides post, the inboard root at guardrail (18) both sides post is supported at the both ends of round pin pole (14), be provided with first locating part (16) and second locating part (17) on base (1) respectively, first locating part (16) set up the inboard at round pin pole (14), second locating part (17) set up in guardrail (18) face empty side.