CN212621842U

CN212621842U - Building flue gas duct soft object impact resistance test device

Info

Publication number: CN212621842U
Application number: CN202021222090.6U
Authority: CN
Inventors: 李士军; 王泳; 王坤; 范本熙
Original assignee: Shandong Jianxi Engineering Quality Inspection Co ltd
Current assignee: Shandong Jianxi Engineering Quality Inspection Co ltd
Priority date: 2020-06-29
Filing date: 2020-06-29
Publication date: 2021-02-26
Anticipated expiration: 2030-06-29

Abstract

The utility model relates to a building flue is able to bear or endure soft thing impact test device, comprising a base plate, rectangular frame and gallows, rectangular frame fixes on the bottom plate, rectangular frame has seted up the channel respectively on two minor faces and has been connected with two adjustable spacing's location slide in the channel, on the bottom plate at two guide rails of the vertical fixedly connected with parallel arrangement in one side on a rectangular frame long limit, two guide rails are through connecting plate fixed connection between the top, equal sliding connection has the slider on two guide rails, the gallows is fixed and is passed through slider and guide rail sliding connection with two sliders, hang the sand bag that weight is 10kg through automatically controlled coupling mechanism on the gallows, the axis of sand bag is through the positive center of bottom plate and rectangular frame. The utility model discloses but the high position of accurate positioning sand bag strikes flue gas channel same position, improves detection efficiency and detects data's accuracy, alleviates measurement personnel's intensity of labour and gets rid of unsafe factor.

Description

Building flue gas duct soft object impact resistance test device

Technical Field

The utility model relates to an analysis and measurement test facility technical field, concretely relates to resistant soft thing impact test device of building flue gas duct.

Background

The smoke exhausting duct product for kitchen and toilet is a prefabricated cement pipeline product with thin wall and steel wire net for exhausting smoke produced in kitchen and toilet in the same vertical position in kitchen and toilet of different floors. The thin-wall steel wire mesh cement prefabricated pipeline product is simple and convenient to install, high in fire-resistant grade and the like, and is widely applied to a fire-fighting, smoke-preventing and smoke-exhausting system of a building and an indoor fresh air system of a residential building.

The smoke (gas) exhaust products of the residential kitchen and the toilet are detected according to JG/T194-2018 standard of residential kitchen and toilet smoke (gas) exhaust products of the housing of the people's republic of China and the Ministry of urban and rural construction before use. Wherein: 6.4 soft impact resistance, requirements: when a 10kg sand bag is used, the sand bag falls freely from the position with the height of 1m, and the exhaust passage does not crack under the condition that the sand bag impacts the same position of the center of the side wall of the long edge of the exhaust passage for 5 times.

In the case of no detection equipment, the test is carried out, and a 10kg sand bag needs to be manually moved to a position 1m away from the upper surface of a flue gas channel and put down, so that the high accuracy cannot be ensured, and the same impact position cannot be ensured. So that the error of the detection data is larger and the uncertainty of the detection result is larger. Moreover, the heavy object is moved and lifted manually, so that the labor intensity of detection personnel is increased, and unsafe factors are increased.

SUMMERY OF THE UTILITY MODEL

The utility model provides a not enough to prior art, the utility model provides a building flue gas channel is able to bear or endure soft thing impact test device can solve flue gas channel test sample's fixed, sand bag promotion, sand bag accurate positioning height scheduling problem, guarantees that the sand bag can strike the same position of flue gas channel, improves detection efficiency to and the accuracy of detection data.

The utility model discloses a realize through following technical scheme:

the utility model provides a building flue is able to bear or endure soft thing striking test device, comprising a base plate, rectangular frame and gallows, rectangular frame fixes on the bottom plate, rectangular frame has seted up the channel respectively on two minor faces and has been connected with two adjustable interval's location slide in the channel, on the bottom plate at two guide rails of the vertical fixedly connected with parallel arrangement in one side on a rectangular frame long limit, two guide rails are through connecting plate fixed connection between the top, equal sliding connection has the slider on two guide rails, the gallows is fixed and passes through slider and guide rail sliding connection with two sliders, hang the sand bag that weight is 10kg through automatically controlled coupling mechanism on the gallows, the axis of sand bag is through the positive center of bottom plate and rectangular frame.

This scheme fixes a position flue gas duct sample on rectangular frame through utilizing the location slide, make it be in on the central line of rectangular frame and bottom plate, the sand bag is hung to the gallows, move the stability of guaranteeing the sand bag along the guide rail direction, 1m position is in the top of flue gas duct sample and is carried out the striking experiment through automatically controlled coupling mechanism release sand bag, the high position that can the accurate positioning sand bag and guarantee the same position that the sand bag strikes the sample, can alleviate detection personnel's intensity of labour and get rid of unsafe factor when improving the detection accuracy.

The sand bag opening and closing device further comprises a controller and a lifting mechanism which is electrically connected with the controller and controls the lifting frame to move up and down, the controller is provided with a control panel, and an ascending button and a descending button which are used for controlling the lifting frame to move, and an attraction button and a release button which are used for controlling the electric control connecting mechanism to attract and release the sand bag are arranged on the control panel.

Through setting up the controller, utilize the last button that rises of control panel, decline button to and actuation button and release button realize the automatic control and the automatically controlled coupling mechanism's of gallows and sand bag control, easy operation, convenience have improved detection efficiency.

Furthermore, a stay wire type displacement sensor electrically connected with the controller is fixed on the bottom plate, and the end part of a stay wire of the stay wire type displacement sensor is fixed with the hanging bracket.

The stay wire end of the stay wire type displacement sensor is fixed with the hanger, and when the hanger slides along the guide rail, the stay wire type displacement sensor can be used for displaying the lifting height of the hanger, so that the height of the hanger can be conveniently adjusted.

Furthermore, the stay wire type displacement sensor is also electrically connected with a displacement display, and a displacement zero clearing button is also arranged on the control panel.

Stay-supported displacement sensor accessible displacement display carries out the displacement and shows, conveniently observes the displacement size of gallows, sets up the displacement zero clearing button on control panel and is convenient for clear displacement data.

Furthermore, the upper end and the lower end of the guide rail are respectively provided with a limiter electrically connected with the lifting mechanism.

The limiter can be linked with the lifting mechanism, when the lifting mechanism controls the hanger to move to the limiter, the limiter can send a signal to the controller, the controller is used for controlling the lifting mechanism to stop moving, and the hanger is prevented from sliding out of the track or contacting the bottom to cause the damage of a motor inside the hanger.

Furthermore, elevating system includes lead screw and nut, and the lead screw is located between two guide rails and rotates between mounting plate and the connecting plate through the bearing, installs drive lead screw pivoted motor on the connecting plate, nut threaded connection on the lead screw and with gallows fixed connection.

The lifting mechanism is a screw nut mechanism, the nuts can vertically displace along the length direction of the screw under the limiting action of the guide rails on the two sides through the rotation of the screw, and the lifting frame can be driven to vertically displace, so that the lifting function is realized.

Furthermore, elevating system includes wire rope, take-up reel and direction fixed pulley, and wire rope's one end is fixed on the gallows, and wire rope's the other end is fixed with the take-up reel through fixing the direction fixed pulley on the connecting plate, and the take-up reel is connected with the motor that can drive the take-up reel pivoted.

The motor can drive the winding roll to take up and pay off through rotating, and then can drive the lifting frame or the descending frame of the steel wire rope, and the sliding blocks on the lifting frame and the guide rail are utilized to ensure that the lifting frame is kept stable in the moving process, so that the shaking of the sand bag is reduced, and the accuracy of the impact position is ensured.

Furthermore, the electric control connecting mechanism is one of an electromagnetic suction device and a mechanical unhooking device.

The electromagnetic suction device is an electromagnet structure, an iron block is fixed at the top of the sandbag in advance, the electromagnet can be sucked by the iron block after being electrified so as to suck the sandbag to move, the electromagnet loses magnetic force after being powered off, and the sandbag can be released to carry out impact experiments. The mechanical unhooking device is also operated in the same way, and the hoisting and releasing operation of the sandbags is realized through unhooking or power-off unhooking.

Furthermore, the groove channel is provided with scale marks.

The groove channel is provided with scale marks, so that the positions of the two positioning sliding plates can be conveniently adjusted, the two positioning sliding plates can be symmetrically fixed on the short edge of the rectangular frame, and the flue gas channel sample can be conveniently positioned.

The utility model has the advantages that:

utilize the location slide on the rectangular frame minor face to carry out fixed position to the flue gas duct sample, solve the fixed problem of flue gas duct sample detection, hang the sand bag through setting up the gallows and pass through guide rail and slider cooperation, the promotion of sand bag has been solved, the high position location of sand bag, and the same position scheduling problem of sand bag impact, utilize the button realization automatic control on the controller cooperation control panel, improve detection efficiency, improve the accuracy of testing data and testing result, alleviate testing personnel's intensity of labour and get rid of unsafe factor.

Drawings

Fig. 1 is a schematic structural diagram of embodiment 1 of the present invention;

FIG. 2 is a schematic structural view of a control panel according to embodiment 1;

fig. 3 is a plan view of embodiment 1 of the present invention;

FIG. 4 is a schematic structural view of the elevating mechanism in embodiment 1;

fig. 5 is a schematic structural view of embodiment 2.

Shown in the figure:

1. the device comprises a base plate, 2, a rectangular frame, 3, a hanger, 4, a channel, 5, a positioning sliding plate, 6, a guide rail, 7, a sliding block, 8, an electromagnetic actuator, 9, a sand bag, 10, a connecting plate, 11, a motor, 12, a limiter, 13, a stay wire type displacement sensor, 14, a flue gas channel sample, 15, an adjusting bolt, 16, a batten, 17, a lifting button, 18, a descending button, 19, an actuation button, 20, a release button, 21, a limiting lamp, 22, a zero clearing button, 23, a displacement display, 24, a control panel, 25, a steel wire rope, 26, a guide fixed pulley, 27, a winding reel, 28, a lead screw, 29, a nut, 30 and a mechanical unhooking device.

Detailed Description

In order to clearly illustrate the technical features of the present solution, the present solution is explained below by way of specific embodiments.

Example 1:

the utility model provides a building flue is able to bear or endure soft thing striking test device, includes bottom plate 1, rectangular frame 2 and gallows 3, and rectangular frame 2 fixes on bottom plate 1, and rectangular frame 2 has seted up channel 4 respectively on two minor faces and has connected two adjustable interval's location slide 5 in channel 4, is provided with the scale mark on channel 4, locks the location through adjusting bolt 15 and nut between location slide 5 and the channel 4.

Two guide rails 6 which are arranged in parallel are vertically and fixedly connected to one side of a long edge of the rectangular frame 2 on the bottom plate 1, and the upper end and the lower end of each guide rail 6 are respectively provided with a stopper 12 which is electrically connected with the lifting mechanism.

A stay wire type displacement sensor 13 electrically connected with the controller is fixed on the bottom plate 1, and the end part of a stay wire of the stay wire type displacement sensor 13 is fixed with the hanger 6. The stay wire type displacement sensor 13 is also electrically connected with a displacement display 23, and a displacement zero clearing button 22 is also arranged on the control panel 24.

The top ends of the two guide rails 6 are fixedly connected through a connecting plate 10, the two guide rails 6 are connected with sliding blocks 7 in a sliding mode, the sliding blocks 7 are sleeved on the guide rails 6 and slide vertically with the guide rails 6, and the sliding blocks are not separated from the guide rails 6. The hanging bracket 3 is fixed with the two sliding blocks 7 and is connected with the guide rail 6 in a sliding way through the sliding blocks 7, a sand bag 9 with the weight of 10kg is hung on the hanging bracket 3 through an electric control connecting mechanism, and the axis of the sand bag 9 passes through the center of the bottom plate 1 and the rectangular frame 2.

The sand bag opening and closing device further comprises a controller and a lifting mechanism which is electrically connected with the controller and controls the hanger 3 to move up and down, the controller is provided with a control panel 24, the control panel 24 is provided with an ascending button 17 and a descending button 18 which are used for controlling the hanger 3 to move, and an attraction button 19 and a release button 20 which are used for controlling the electric control connecting mechanism to attract and release the sand bag. In this embodiment, the electrically controlled connecting mechanism is an electromagnetic actuator 8.

The lifting mechanism comprises a screw 28 and a nut 29, the screw 28 is positioned between the two guide rails 6 and is rotatably arranged between the bottom plate 1 and the connecting plate 10 through a bearing, the connecting plate 10 is provided with a motor 11 for driving the screw 18 to rotate, and the nut 29 is in threaded connection with the screw 28 and is fixedly connected with the hanger 3. Wherein, the rotating shaft of the motor 11 is connected with the lead screw 28 through a coupling.

As an implementation manner of this embodiment, the bottom plate 1 and the rectangular frame 2 (1800 x800 mm) fixed on the bottom plate 1 constitute a test surface, the flue gas duct sample 14 to be detected is placed on the rectangular frame 2, the flue gas duct sample 14 is positioned by two positioning slide plates 5 on each short side of the rectangular frame 2, the positioning slide plates 5 are connected with the chute 4 through adjusting bolts 15 and can move left and right to adjust the position, the flue gas duct sample 14 is placed on the batten 16 (50 x50 mm), the flue gas duct sample 14 to be detected is fixed at the middle position of the rectangular frame 2, and the positioning slide plates 5 can be locked by the adjusting bolts 15 to limit the flue gas duct sample 14.

After the test gas flue sample 14 is installed, the sand bag 9 is placed on the top surface of the test sample 14, the lifting and descending of the hanger 3 are controlled by the lifting button 17 and the descending button 18, the electromagnet of the electromagnetic suction device 8 is contacted with the iron block fixed at the upper end of the sand bag 9, wherein the electromagnet is a circular sucker type electromagnet, which belongs to the conventional application of the prior art, the electromagnetic suction device 8 is controlled to suck the sandbag 9 by pressing the suction button 19, the motor is controlled by the ascending button 17 and the descending button 18 to drive the lifting frame 3 to ascend and descend, so that the bottom of the sand bag 9 is just contacted with the top surface of the flue gas channel sample 14, the zero clearing button 22 is used for clearing the numerical value of the displacement display 23, then the lifting frame 3 is controlled to ascend through the ascending button 17 until the displacement display 23 displays that the moving distance of the sandbag 9 is 1.00m, then the lifting frame is automatically stopped, the sandbag 9 is released through the releasing button 20, and a test is completed; and the descending button 18 is used for controlling the descending of the hanging bracket 3, the sand bag 9 is sucked again, and the test is repeated. When the hanger 3 moves to the position of the stopper 12, wherein, in this embodiment, in order to ensure the stability of the system, the stopper 12 is further electrically connected to a stopper lamp 21 located on the control panel 24, and when the hanger 3 contacts the stopper 12, the stopper lamp 21 can be turned on for playing a role of reminding and warning. The motor 11 is automatically stopped by the signal of the controller to protect the equipment.

Example 2:

this example differs from example 1 in that: the lifting mechanism comprises a steel wire rope 25, a guide fixed pulley 26 and a winding roll 27, one end of the steel wire rope 25 is fixed on the hanger 3, the other end of the steel wire rope 25 is fixed with the winding roll 27 through the guide fixed pulley 26 fixed on the connecting plate 10, and the winding roll 27 is connected with a motor 11 capable of driving the winding roll 27 to rotate. In addition, in this embodiment, the electrically controlled connecting mechanism is a mechanical detacher, which belongs to the product in the prior art and is not described in detail.

In this embodiment, utilize motor 11 drive take-up reel 27 just reversing can realize receiving and releasing wire rope 25, and then through wire rope 25's length adjustment gallows 3 height on guide rail 6, realize the high control to sand bag 9, because gallows 3 wholly carries out the displacement through guide rail 6, can guarantee the stability of sand bag 9 in the removal in-process, can guarantee the uniformity of sand bag 9 striking position at every turn equally.

Of course, the above description is not limited to the above examples, and technical features of the present invention that are not described in the present application may be implemented by or using the prior art, and are not described herein again; the above embodiments and drawings are only used for illustrating the technical solutions of the present invention and are not intended to limit the present invention, and the present invention has been described in detail with reference to the preferred embodiments, and those skilled in the art should understand that changes, modifications, additions or substitutions made by those skilled in the art within the spirit of the present invention should also belong to the protection scope of the claims of the present invention.

Claims

1. The utility model provides a building flue gas channel is able to bear or endure soft thing striking test device which characterized in that: the sand bag lifting device comprises a base plate, a rectangular frame and a lifting frame, wherein the rectangular frame is fixed on the base plate, the rectangular frame is respectively provided with a channel on two short sides and is connected with two positioning sliding plates with adjustable intervals in the channel, two guide rails are arranged on the base plate in parallel and are vertically fixedly connected with one side of one long side of the rectangular frame, the two guide rails are fixedly connected with each other through a connecting plate between the top ends, the two guide rails are all slidably connected with sliding blocks, the lifting frame is fixed with the two sliding blocks and is slidably connected with the guide rails through the sliding blocks, a sand bag with the weight of 10kg is hung on the lifting frame through an electric control connecting mechanism, and the axis of the.

2. The soft object impact resistance test device for the building flue according to claim 1, characterized in that: the sand bag lifting device is characterized by further comprising a controller and a lifting mechanism which is electrically connected with the controller and controls the lifting frame to move up and down, the controller is provided with a control panel, and an ascending button and a descending button which are used for controlling the lifting frame to move, and an attraction button and a release button which are used for controlling the electric control connecting mechanism to attract and release the sand bag are arranged on the control panel.

3. The soft object impact resistance test device for the building flue according to claim 2, is characterized in that: the bottom plate is fixed with a stay wire type displacement sensor which is electrically connected with the controller, and the end part of a stay wire of the stay wire type displacement sensor is fixed with the hanger.

4. The soft object impact resistance test device of the building flue gas duct according to claim 3, characterized in that: the stay wire type displacement sensor is also electrically connected with a displacement display, and the control panel is also provided with a displacement zero clearing button.

5. The soft object impact resistance test device for the building flue according to claim 2, is characterized in that: and the upper end and the lower end of the guide rail are respectively provided with a stopper electrically connected with the lifting mechanism.

6. The soft object impact resistance test device of the building flue gas duct according to claim 5, characterized in that: the lifting mechanism comprises a lead screw and a nut, the lead screw is positioned between the two guide rails and rotates between the mounting bottom plate and the connecting plate through a bearing, a motor for driving the lead screw to rotate is mounted on the connecting plate, and the nut is in threaded connection with the lead screw and is fixedly connected with the hanging bracket.

7. The soft object impact resistance test device of the building flue gas duct according to claim 5, characterized in that: the lifting mechanism comprises a steel wire rope, a winding roll and a guide fixed pulley, one end of the steel wire rope is fixed on the hanging bracket, the other end of the steel wire rope is fixed with the winding roll through the guide fixed pulley fixed on the connecting plate, and the winding roll is connected with a motor capable of driving the winding roll to rotate.

8. The soft object impact resistance test device for the building flue according to claim 1, characterized in that: the electric control connecting mechanism is one of an electromagnetic suction device or a mechanical unhooking device.

9. The soft object impact resistance test device for the building flue according to claim 1, characterized in that: the groove channel is provided with scale marks.