CN216559992U

CN216559992U - Detection apparatus for be used for scaffold frame metal fastener intensity

Info

Publication number: CN216559992U
Application number: CN202123203691.XU
Authority: CN
Inventors: 经伟
Original assignee: Nanjing Tianhong Machinery Co ltd
Current assignee: Nanjing Tianhong Machinery Co ltd
Priority date: 2021-12-20
Filing date: 2021-12-20
Publication date: 2022-05-17
Anticipated expiration: 2031-12-20

Abstract

The utility model discloses a detection device for detecting the strength of a metal fastener of a scaffold, and relates to the technical field of detection devices. According to the detection device for the strength of the metal fastener of the scaffold, the mounting and positioning functions of the fastener can be realized through the mounting and positioning mechanism, the position of the fastener is convenient to change, the fastener does not need to be taken down and fixed again, time and labor are saved, meanwhile, the pressure test of the fastener in an actual use environment can be simulated, and the test precision is improved.

Description

Detection apparatus for be used for scaffold frame metal fastener intensity

Technical Field

The utility model relates to the technical field of detection devices, in particular to a detection device for the strength of a metal fastener of a scaffold.

Background

The fastener is the main connected form of steel pipe scaffold, and the steel pipe of connecting through the fastener needs the fastener to have stronger compressive capacity on the steel pipe, guarantees that the steel pipe can not take place deformation under external force squeezing action, and current fastener all can carry out intensity detection through detection device before the in-service use.

When the existing detection device is used for testing the strength of the fastener, the pressure test in the transverse direction and the longitudinal direction is generally performed, and the fastener is taken down for testing, so that the test in an actual use environment cannot be simulated, and the test result is not accurate enough; in addition, when the pressure test is turned to the vertically by the horizontal direction, need adjust the position to the fastener and centre gripping fixed again, because the centre gripping fixed step of fastener is comparatively loaded down with trivial details, consequently make the test operation of fastener become loaded down with trivial details, reduce the efficiency of software testing of fastener, consequently provide a detection device who is used for scaffold frame metal fastener intensity and solve above-mentioned problem.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a device for detecting the strength of a metal fastener of a scaffold, which overcomes the defects of the prior art, can realize the mounting and positioning functions of the fastener through a mounting and positioning mechanism, and simultaneously conveniently change the position of the fastener, so that the fastener is not required to be taken down and fixed again, time and labor are saved, meanwhile, the pressure test of the fastener in an actual use environment can be simulated, the test precision is improved, and the device has the characteristics of convenience in adjusting the test position of the fastener and improvement on the test precision of the fastener.

In order to solve the problems, the technical scheme adopted by the utility model is as follows:

the utility model provides a detection apparatus for be used for scaffold frame metal fastener intensity, includes bottom plate, application of pressure mechanism and installation positioning mechanism, the top fixedly connected with stand of bottom plate, the top fixedly connected with roof of stand, the bottom of roof is rotated and is connected with the threaded rod, accommodate motor is installed to the bottom of roof, accommodate motor's output fixedly connected with shaft coupling, the one end fixed connection of shaft coupling and threaded rod, threaded connection has the nut piece on the threaded rod, application of pressure mechanism is installed to the bottom of nut piece, the top of bottom plate is provided with installation positioning mechanism, install the fastener on the installation positioning mechanism.

Further, the mechanism of exerting pressure includes the cylinder and pushes down the channel-section steel, the cylinder is installed in nut piece bottom, the output fixed connection of cylinder is pressed the axle, the bottom fixedly connected with of the axle that presses pushes down the channel-section steel.

Furthermore, the internal thread of the downward pressing channel steel is connected with a filling block, and the bottom end of the filling block is provided with a pressure sensor.

Furthermore, the top of bottom plate is installed the detection device body, the detection device body is connected with cylinder and pressure sensor electricity.

Further, push down channel-section steel lateral surface fixedly connected with telescopic link, the transparent protection casing of one end fixedly connected with of telescopic link, the lateral surface fixedly connected with sleeve of transparent protection casing, sleeve and stand sliding connection.

Furthermore, the installation positioning mechanism comprises a rotating plate, a steel pipe and a threaded ring, one end of the rotating plate is hinged to the top end face of the bottom plate, the top end of the rotating plate is fixedly connected with the steel pipe, the top end of the steel pipe is fixedly connected with the threaded shaft, the threaded ring is sleeved on the outer side of the steel pipe, and a pressure sensor is arranged at the bottom end of the threaded ring.

Furthermore, the top end of the bottom plate is fixedly connected with a bearing block close to the installation positioning mechanism, and the top end of the bottom plate is located below the transparent protective cover and provided with a compensation groove.

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

the utility model can install and position the fastener through the installation positioning mechanism, and simultaneously adjust the test position of the fastener under the condition of not needing to fix the fastener again, thereby saving the step of fixing the fastener again, simplifying the test step of the fastener and improving the test efficiency of the fastener.

According to the utility model, the fastener is arranged on the steel pipe, so that the use environment of the fastener can be simulated, and the test precision of the fastener is improved.

The utility model has the characteristics of being convenient for adjusting the test position of the fastener and improving the test precision of the fastener.

Drawings

FIG. 1 is a schematic perspective view of a device for detecting the strength of a metal fastener of a scaffold;

FIG. 2 is a schematic diagram showing an internal structure of a device for detecting the strength of a scaffold metal fastener;

FIG. 3 is a schematic view of the internal structure of a device for detecting the strength of a metal fastener of a scaffold;

fig. 4 is a schematic perspective view of a mounting positioning mechanism in the device for detecting the strength of the scaffold metal fastener.

In the figure: 1. a base plate; 101. a compensation groove; 2. a column; 3. a bearing block; 4. a threaded ring; 5. a threaded shaft; 6. a rotating plate; 7. a transparent protective cover; 8. a detection device body; 9. a telescopic rod; 10. pressing down the channel steel; 11. a cylinder; 12. a nut block; 13. a threaded rod; 14. adjusting the motor; 15. a top plate; 16. filling blocks; 17. a steel pipe; 18. a sleeve.

Detailed Description

In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the utility model easy to understand, the utility model is further described with the specific embodiments.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front", "rear", "both ends", "one end", "the other end", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should be noted that, unless explicitly stated or limited otherwise, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, such as "connected," which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1-4, the utility model relates to a device for detecting the strength of a metal fastener of a scaffold, which comprises a bottom plate 1, a pressing mechanism and an installation positioning mechanism, wherein the top end of the bottom plate 1 is fixedly connected with an upright post 2, the top end of the upright post 2 is fixedly connected with a top plate 15, the bottom end of the top plate 15 is rotatably connected with a threaded rod 13, the bottom end of the top plate 15 is provided with an adjusting motor 14, the output end of the adjusting motor 14 is fixedly connected with a coupler, the coupler is fixedly connected with one end of the threaded rod 13, the threaded rod 13 is in threaded connection with a nut block 12, the bottom end of the nut block 12 is provided with the pressing mechanism, the top end of the bottom plate 1 is provided with the installation positioning mechanism, and the installation positioning mechanism is provided with a fastener.

When the device is used, when a fastener longitudinal pressure test is required, firstly, a standard pressure value (the maximum pressure value which can be borne by a qualified fastener in the longitudinal direction) is transmitted through an operation panel on the detection device body 8, then the steel pipe 17 is ensured to be vertical to the bottom plate 1, the fastener is installed on the steel pipe 17, then the threaded ring 4 is screwed on the threaded shaft 5 until the threaded ring 4 is separated from the threaded shaft 5, the steel pipe 17 can automatically move on the steel pipe 17, then the adjusting motor 14 is started, the adjusting driving threaded rod 13 rotates, the cylinder 11 is driven to move under the action of the nut block 12, and then the pressing channel steel 10 is driven to move, so that the pressing channel steel 10 is right opposite to the fastener, then the cylinder 11 is started, the pressing channel steel 10 moves downwards to extrude the threaded ring 4, the fastener is pressed downwards by the threaded ring 4, when the pressure sensor monitors that the pressure value reaches the input standard value, the detection device body 8 controls the cylinder 11 to stop working, then make cylinder 11 drive and push down channel-section steel 10 and reset, whether send deformation through observing the fastener can judge whether qualified the longitudinal pressure test of this fastener.

The channel steel 10 that pushes down moves down the in-process and can drive transparent protection casing 7 and move down for transparent protection casing 7 can keep apart the test operation of fastener with detecting by him, avoids the fastener to collapse and produces the piece damage detection personnel.

When fastener longitudinal pressure test ended, rotor plate 6 can overturn, make steel pipe 17 parallel with bottom plate 1, be about to the fastener by longitudinal position adjustment for horizontal position, then 16 threaded connection of packing block in channel-section steel 10 is pushed down, then restart adjusting motor 14, make channel-section steel 10 motion to the fastener top of pushing down, input standard pressure value once more (the horizontal maximum pressure value that can bear of qualified fastener), then start cylinder 11 makes channel-section steel 10 push down the fastener, when pressure sensor monitors the pressure value and reachs the standard value of input, 8 control cylinders 11 stop work of detection device body, then make cylinder 11 drive channel-section steel 10 that pushes down reset, whether it is qualified to send the horizontal pressure test that deformation can judge this fastener through observing the fastener.

If the transverse pressure test and the longitudinal pressure test of the fastener are qualified, the strength of the fastener reaches a qualified level, otherwise, the strength of the fastener does not reach the qualified level.

Mechanism of exerting pressure includes cylinder 11 and pushes down channel-section steel 10, and cylinder 11 is installed in 12 bottoms of nut piece, and the axle is exerted pressure to 11 output fixed connection of cylinder, and the bottom fixedly connected with of the axle of exerting pressure pushes down channel-section steel 10, and mechanism of exerting pressure can carry out pressure test to the fastener.

The inside threaded connection that pushes down channel-section steel 10 has the filling block 16, and the bottom of filling block 16 is provided with pressure sensor, and filling block 16 pushes down channel-section steel 10 respectively and carries out the transverse pressure test to the fastener, and pressure sensor can the perception pressure degree down.

The detection device body 8 is installed on the top end of the bottom plate 1, and the detection device body 8 is electrically connected with the air cylinder 11 and the pressure sensor, so that the detection device can conveniently control the working state of the air cylinder 11.

Push down 10 lateral surfaces fixedly connected with telescopic links 9 of channel-section steel, the transparent protection casing 7 of one end fixedly connected with of telescopic links 9, the lateral surface fixedly connected with sleeve 18 of transparent protection casing 7,

sleeve

18 and 2 sliding connection of stand, transparent protection casing 7 can avoid the fastener to collapse and produce the piece damage detection personnel.

Installation positioning mechanism includes rotor plate 6, steel pipe 17 and threaded ring 4, the one end of rotor plate 6 is articulated with bottom plate 1's top terminal surface, the top fixedly connected with steel pipe 17 of rotor plate 6, the top fixedly connected with screw thread axle 5 of steel pipe 17, threaded ring 4 has been cup jointed in the outside of steel pipe 17, threaded ring 4's bottom is provided with pressure sensor, installation positioning mechanism can install the fastener fixedly, simultaneously can be under the condition of not fixed fastener again, the test position of adjustment fastener.

The top of bottom plate 1 is close to installation positioning mechanism department fixedly connected with bearing block 3, and compensation groove 101 has been seted up to the below that the top of bottom plate 1 is located transparent protection casing 7, and bearing block 3 can be so that the fastener when carrying out the transverse pressure test, plays the supporting role to the fastener, and compensation groove 101 can reduce transparent protection casing 7 to the resistance of channel-section steel 10 that pushes down in the pressure test in-process.

The foregoing shows and describes the general principles and broad features of the present invention and advantages thereof. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the utility model as claimed. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a detection apparatus for be used for scaffold frame metal fastener intensity which characterized in that: including bottom plate (1), mechanism of exerting pressure and installation positioning mechanism, top fixedly connected with stand (2) of bottom plate (1), top fixedly connected with roof (15) of stand (2), the bottom of roof (15) is rotated and is connected with threaded rod (13), accommodate motor (14) are installed to the bottom of roof (15), the output fixedly connected with shaft coupling of accommodate motor (14), the one end fixed connection of shaft coupling and threaded rod (13), threaded connection has nut piece (12) on threaded rod (13), mechanism of exerting pressure is installed to the bottom of nut piece (12), the top of bottom plate (1) is provided with installation positioning mechanism, install the fastener on the installation positioning mechanism.

2. The device for detecting the strength of the scaffold metal fastener according to claim 1, wherein: mechanism of exerting pressure includes cylinder (11) and pushes down channel-section steel (10), install in nut piece (12) bottom cylinder (11), the output fixed connection of cylinder (11) axle of exerting pressure, the bottom fixedly connected with of the axle of exerting pressure pushes down channel-section steel (10).

3. The device for detecting the strength of the scaffold metal fastener according to claim 2, wherein: the internal thread of the downward pressing channel steel (10) is connected with a filling block (16), and the bottom end of the filling block (16) is provided with a pressure sensor.

4. The device for detecting the strength of the scaffold metal fastener according to claim 3, wherein: the detection device comprises a bottom plate (1) and is characterized in that a detection device body (8) is installed at the top end of the bottom plate (1), and the detection device body (8) is electrically connected with a cylinder (11) and a pressure sensor.

5. The device for detecting the strength of the scaffold metal fastener according to claim 2, wherein: push down channel-section steel (10) lateral surface fixedly connected with telescopic link (9), the transparent protection casing of one end fixedly connected with (7) of telescopic link (9), lateral surface fixedly connected with sleeve (18) of transparent protection casing (7), sleeve (18) and stand (2) sliding connection.

6. The device for detecting the strength of the scaffold metal fastener according to claim 5, wherein: the mounting and positioning mechanism comprises a rotating plate (6), a steel pipe (17) and a threaded ring (4), one end of the rotating plate (6) is hinged to the top end face of the bottom plate (1), the top end of the rotating plate (6) is fixedly connected with the steel pipe (17), the top end of the steel pipe (17) is fixedly connected with a threaded shaft (5), the threaded ring (4) is sleeved on the outer side of the steel pipe (17), and a pressure sensor is arranged at the bottom end of the threaded ring (4).

7. The device for detecting the strength of the scaffold metal fastener according to claim 5, wherein: the top of bottom plate (1) is close to installation positioning mechanism department fixedly connected with bearing block (3), compensation groove (101) have been seted up to the top of bottom plate (1) below that is located transparent protection casing (7).