Indoor wall arc-shaped leather hard package bonding strength field pull-out test device

Abstract

The invention discloses an indoor wall arc-shaped leather hard package bonding strength on-site pull-out test device which comprises a fixed seat fixedly connected to the outside and a test device, the test device is connected with the fixed seat, the test device comprises a pull rod and a pull end, racks are uniformly distributed on the pull rod in the length direction of the pull rod, and the pull rod is connected with the pull rod. A driver used for drawing the pull rod and a drawing force controller used for controlling the driver to control the drawing force input by the pull rod are arranged on the fixing base, and a gear used for being meshed with the rack and a motor used for driving the gear to rotate are arranged in the driver. The gear is meshed with the rack to drive the pull rod and the drawing end to move in the direction close to or away from the wall face, the drawing test device is convenient to carry, the arc-shaped wall face leather hard package can be detected on site, and operation is convenient.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of drawing test device, in particular to a kind of indoor wall surface arc leather hard package bonding strength field drawing test device. BACKGROUND

[0002] Wall leather hard package is applied to wall to keep it beautiful, and it is a structure for protecting wall, which covers and fits leather on the surface of wall, to avoid wall blistering when encountering water or being bumped. The existing wall leather hard package needs to be drawn after construction, and the existing drawing test device is generally large in size and inconvenient to move. Users need to send wall leather hard package to professional testing agencies for testing. If some special wall leather hard package cannot be tested, the bonding strength of such special wall leather hard package after construction cannot be guaranteed, and the existing testing agencies cannot test arc-shaped wall leather hard package, so the application scenario is limited and it is inconvenient to carry. SUMMARY

[0003] To solve the problems of the drawing test device being inconvenient to carry and being unable to perform field drawing test on arc-shaped wall leather hard package as described in the background, the present application aims to provide a kind of indoor wall surface arc leather hard package bonding strength field drawing test device.

[0004] To achieve the above-mentioned purpose, the present application provides the following technical solution: a kind of indoor wall surface arc leather hard package bonding strength field drawing test device, comprising a fixing seat for fixedly connected to the outside, a testing device, the testing device is connected with the fixing seat, the testing device includes a pull rod and a drawing end, the pull rod is uniformly provided with a rack along its length direction, the fixing seat is provided with a driver for drawing the pull rod and a drawing force controller for controlling the drawing force input by the driver to the pull rod, the driver is provided with a gear for engaging with the rack and a motor for driving the gear to rotate, the gear drives the pull rod and the drawing end to move towards or away from the wall surface direction by engaging with the rack.

[0005] As a further improvement of the present application, the drawing end is provided with an air pump, a gas hole, a gas pipe and a suction nozzle for adsorbing arc-shaped wall leather hard package, the suction nozzle is arranged towards the wall surface, one end of the gas pipe is connected with the gas hole, and the other end is connected with the air pump, the air pump adsorbs arc-shaped wall leather hard package through the gas hole, the gas pipe and the suction nozzle.

[0006] As a further improvement of the present application, the suction nozzle is an arc-shaped suction nozzle that can be used to fit the arc-shaped wall surface.

[0007] As a further improvement of the present application, a wrinkle sleeve is circumferentially arranged on the suction nozzle.

[0008] As a further improvement of the present application, the middle of the drawing head is provided with a rotating hole, the drawing rod is provided with a fixing hole and a fixing pin corresponding to the position of the rotating hole, the fixing pin is provided with a limiting cap at both ends and at least one limiting cap is detachably connected with the fixing pin, the fixing pin is connected through the rotating hole and the fixing hole, the drawing head swings around the rotating hole, and a gap is formed between the drawing rod and the drawing head for the swing of the drawing head.

[0009] As a further improvement of the present application, the fixing hole is provided with internal teeth for positioning after the swing of the drawing head, and the outer peripheral wall of the rotating hole is uniformly provided with a plurality of soft teeth for meshing with the internal teeth.

[0010] As a further improvement of the present application, the fixing seat is provided with a guide groove corresponding to the position of the drawing rod, and the drawing rod is partially embedded in the guide groove and moves along the length direction of the guide groove.

[0011] As a further improvement of the present application, the fixing seat is provided with a drawing force scale mark corresponding to the position of the drawing rod.

[0012] As a further improvement of the present application, the motor is a synchronous motor.

[0013] As a further improvement of the present application, the fixing seat is provided with a plurality of bolts, and the fixing seat is fixedly connected with the outside through the bolts.

[0014] Compared with the prior art, the present application provides an indoor wall surface arc-shaped leather hard package bonding strength on-site drawing test device, which has the following beneficial effects: the device is stably connected with the outside through the fixing seat, ensuring the stability of the whole during testing; in the testing device, the rack of the drawing rod is engaged with the gear of the driver, and the stable movement of the drawing rod and the drawing head is realized by the motor driving, ensuring the uniformity and controllability of the drawing process, improving the testing precision, and the drawing force controller can accurately control the input drawing force of the driver, can be flexibly adjusted according to the actual detection requirements, and is suitable for the bonding strength test of arc-shaped leather hard package in different scenes, convenient to operate, simple in structure and convenient to carry. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 is a top view of the present application; Figure 2 is a drawing of the present application Figure 1 is a structure exploded view of part B in the drawing; Figure 3 is a drawing of the present application Figure 1 is a sectional view along the A section line in the drawing; Figure 4 is a structure exploded view of the fixing pin of the present application; Figure 5Prior art structure schematic diagram of the present application.

[0016] Fig. 1 is a fixed seat; Fig. 2 is a testing device; Fig. 11 is a guide groove; Fig. 12 is a pulling force scale; Fig. 13 is a bolt; Fig. 21 is a pull rod; Fig. 22 is a pulling end; Fig. 23 is a driver; Fig. 24 is a pulling force controller; Fig. 25 is a motor; Fig. 26 is a rack; Fig. 211 is a fixed hole; Fig. 212 is a fixed pin; Fig. 213 is a limiting cap; Fig. 215 is a gap; Fig. 2111 is an inner tooth; Fig. 2141 is a soft tooth; Fig. 221 is an air pump; Fig. 222 is an air hole; Fig. 223 is an air pipe; Fig. 224 is a suction nozzle; Fig. 225 is a wrinkle sleeve; Fig. 226 is a rotating hole. DETAILED DESCRIPTION

[0017] The present application will be further described in detail below with reference to the embodiments shown in the drawings.

[0018] To achieve the above-mentioned purposes, the present application provides an indoor wall surface arc-shaped leather hard package bonding strength on-site pulling test device, which comprises a fixed seat 1 for fixed connection outside and a testing device 2, the testing device 2 is connected with the fixed seat 1, the testing device 2 comprises a pull rod 21 and a pulling end 22, the pull rod 21 is uniformly provided with a rack 26 along the length direction thereof, the fixed seat 1 is provided with a driver 23 for pulling the pull rod 21 and a pulling force controller 24 for controlling the pulling force input by the driver 23 to the pull rod 21, the driver 23 is provided with a gear for engaging with the rack 26 and a motor 25 for driving the gear to rotate, the gear drives the pull rod 21 and the pulling end 22 to move towards or away from the wall surface through engagement with the rack 26.

[0019] Through the above technical solution, the fixed seat 1 can be made of metal material into a plate-shaped structure, which is fixed with the external wall or support through a connecting piece, and the connecting piece can be a bolt 13, a clamping block or other fixing structure. The pull rod 21 of the testing device 2 is a long rod, and one side surface of the length direction thereof is processed with uniformly distributed rack 26. The driver 23 and the pulling force controller 24 are installed on the upper surface of the fixed seat 1, the driver 23 is fixed on the fixed seat 1, the inner gear is rotatably connected with the shell through a bearing, and the gear is engaged with the rack 26 on the pull rod 21, the output shaft of the motor 25 is connected with the gear shaft through a shaft coupling. When the pulling test is carried out, the pulling force controller 24 sends a command to control the motor 25 to start, the motor 25 drives the gear to rotate, the engagement of the gear and the rack 26 makes the pull rod 21 move along the length direction thereof, thereby driving the pulling end 22 to approach or move away from the wall surface, realizing the pulling operation of the arc-shaped leather hard package. The pulling force controller 24 can monitor and control the pulling force input by the motor 25 in real time, and the pulling end 22 can adopt a pulling end 22 with an arc-shaped structure or a deformable pulling end 22 when used for testing the arc-shaped wall surface leather hard package, such as a deformable suction nozzle 224 arranged on the pulling end 22.

[0020] As an improved embodiment, the drawing head 22 is provided with an air suction pump 221, an air hole 222, an air pipe 223 and a suction nozzle 224 for adsorbing the arc-shaped wall surface leather hard package, the suction nozzle 224 is arranged towards the wall surface, one end of the air pipe 223 is connected with the air hole 222, and the other end is connected with the air suction pump 221, the air suction pump 221 cooperates with the air hole 222, the air pipe 223 and the suction nozzle 224 to adsorb the arc-shaped wall surface leather hard package; the suction nozzle 224 is an arc-shaped suction nozzle 224 which can be used to match the arc-shaped wall surface; a wrinkle sleeve 225 is arranged on the suction nozzle 224 in the circumferential direction.

[0021] Through the above technical scheme, the drawing head 22 is a hollow shell structure, the air suction pump 221 is fixed outside the shell of the drawing head 22 and communicates with the drawing head 22 through the air pipe 223 for extracting air in the drawing head 22, the suction nozzle 224 is a disc-shaped structure with a circular or square shape, and the opening thereof faces the wall surface, the suction nozzle 224 communicates with the inside of the shell of the drawing head 22 through the air hole 222, one end of the air pipe 223 is inserted into the air hole 222 and is sealingly connected, and the other end is connected with the air inlet of the air suction pump 221. During the test, the suction nozzle 224 is matched on the surface of the arc-shaped leather hard package, the air suction pump 221 is started, the air suction pump 221 extracts the air between the suction nozzle 224 and the hard package through the air pipe 223 and the air hole 222 to form a negative pressure, so that the suction nozzle 224 is firmly adsorbed on the hard package, and the stable connection between the drawing head 22 and the hard package during the drawing process is ensured, so that the test result is not affected by the falling off, and the wrinkle sleeve 225 arranged on the suction nozzle 224 can discharge air through deformation and is not easy to be damaged.

[0022] As an improved embodiment, a rotating hole 226 is arranged in the middle of the drawing head 22, a fixing hole 211 and a fixing pin 212 are arranged at the position corresponding to the rotating hole 226 of the pull rod 21, limit caps 213 are arranged at both ends of the fixing pin 212, at least one limit cap 213 is detachably connected with the fixing pin 212, the fixing pin 212 is connected by penetrating the rotating hole 226 and the fixing hole 211, the drawing head 22 swings around the rotating hole 226 as the axis, and a gap 215 for the swing of the drawing head 22 is formed between the pull rod 21 and the drawing head 22.

[0023] Through the above technical scheme, the arc-shaped suction nozzle 224 can adopt two kinds of embodiments, first, the adsorption surface of the suction nozzle 224 is a single-arc curved surface which matches the arc shape of the wall surface, the curvature radius of the curved surface is consistent with the arc shape of the wall surface, and the curved surface is made of elastic rubber material and can tightly match the surface of the arc-shaped hard package. Second, the adsorption surface of the suction nozzle 224 is a composite-arc curved surface which is suitable for the wall surface with complex arc shape, the curved surface is smoothly connected by a plurality of arc segments with different curvatures, and is customized and processed by measuring the arc shape parameters of the wall surface in advance to ensure sufficient matching with the hard package and improve the adsorption reliability.

[0024] As an improved specific embodiment, the inner teeth 2111 for positioning the pulling head 22 after swinging are arranged in the fixed hole 211, and the soft teeth 2141 for engaging with the inner teeth 2111 are uniformly arranged on the outer peripheral wall of the rotating hole 226, and the soft teeth 2141 can be engaged with the inner teeth 2111.

[0025] Through the above technical scheme, the inner teeth 2111 are processed on the inner wall of the fixed hole 211, and the soft teeth 2141 are uniformly distributed on the outer peripheral wall of the rotating hole 226, the soft teeth 2141 are made of a material capable of deforming under force, and the preferred material is rubber. The shape is matched with the inner teeth 2111. When the pulling head 22 swings to the appropriate angle, the soft teeth 2141 are engaged with the inner teeth 2111 under the action of their own elasticity, a certain friction force is generated, the pulling head 22 is positioned at the angle, the angle deviation of the pulling head 22 caused by external force during the test is prevented, and the accuracy of the pulling force direction is ensured. If the angle needs to be adjusted, the external force is applied to make the soft teeth 2141 disengage with the inner teeth 2111, and the deformation of the soft teeth 2141 is generated by the external force, so that the inner teeth 2111 can cooperate with the soft teeth 2141 to rotate.

[0026] As an improved specific embodiment, the guide groove 11 corresponding to the position of the pull rod 21 is arranged on the fixed seat 1, and the pull rod 21 is partially embedded in the guide groove 11 and moves along the length direction of the guide groove 11; the pulling force scale mark 12 corresponding to the position of the pull rod 21 is arranged on the fixed seat 1; the motor 25 is a synchronous motor 25; a plurality of bolts 13 are arranged on the fixed seat 1, and the fixed seat 1 is fixedly connected with the outside through the bolts 13.

[0027] Through the above technical scheme, the guide groove 11 is arranged on the fixed seat 1 along the moving direction of the pull rod 21, the guide groove 11 is a groove with an arc-shaped bottom, the arc-shaped bottom can cooperate more closely with the pull rod 21, the width is matched with the width of the pull rod 21, and the depth is 1 / 3 of the thickness of the pull rod 21. The lower part of the pull rod 21 is embedded in the guide groove 11, and the two side surfaces of the pull rod 21 are in close contact with the inner walls of the guide groove 11. When the pull rod 21 moves under the driving of the gear, the guide groove 11 plays a guiding and limiting role on the pull rod 21, prevents the pull rod 21 from deviating horizontally or rotating, ensures that the pull rod 21 always moves in a straight line, ensures that the application direction of the pulling force is stable, improves the test precision, the synchronous motor 25 is adopted in the scheme, which can make the pulling force more uniform, the fixed seat 1 is fixedly connected with the outside through the bolts 13, and the outside refers to the ground, a table top or other structures that can be used to fix the fixed seat 1.

[0028] The above are only preferred embodiments of the present application, and the protection scope of the present application is not limited to the above-mentioned embodiments. Any technical scheme falling within the concept of the present application shall fall within the protection scope of the present application. It should be noted that, for ordinary skilled persons in the art, some improvements and refinements without departing from the principles of the present application shall also be considered as falling within the protection scope of the present application.

Claims

1. An on-site pull-out test device for the bonding strength of curved leather hard packs on indoor walls, characterized in that: It includes a fixing base for fixed connection to the outside and a testing device, the testing device is connected to the fixing base, the testing device includes a pull rod and a pulling end, the pull rod is evenly provided with racks along its length direction, the fixing base is provided with a driver for pulling the pull rod and a pulling force controller for controlling the driver to control the pulling force input to the pull rod, the driver is provided with a gear for engaging with the rack and a motor for driving the gear to rotate, and the gear drives the pull rod and the pulling end to move toward or away from the wall by engaging with the rack.

2. The on-site pull-out test device for the bonding strength of curved leather hard packs on indoor walls according to claim 1 is characterized in that: The pulling end is provided with an air pump, an air hole, an air pipe and a suction nozzle for adsorbing the curved wall leather hard bag. The suction nozzle is set towards the wall. One end of the air pipe is connected to the air hole, and the other end is connected to the air pump. The air pump cooperates with the air hole, the air pipe and the suction nozzle to adsorb the curved wall leather hard bag.

3. The on-site pull-out test device for the bonding strength of curved leather hard packs on indoor walls according to claim 2 is characterized in that: The suction nozzle is a curved suction nozzle that can be used to fit against a curved wall.

4. The on-site pull-out test device for the bonding strength of curved leather hard packs on indoor walls according to claim 3 is characterized in that: A pleated sleeve is circumferentially provided on the suction nozzle.

5. The on-site pull-out test device for the bonding strength of curved leather hard packs on indoor walls according to claim 1 is characterized in that: A rotating hole is provided in the middle of the drawing end, and a fixing hole and a fixing pin are provided at the position of the pulling rod corresponding to the rotating hole. Limiting caps are provided at both ends of the fixing pin and at least one limiting cap is detachably connected to the fixing pin. The fixing pin passes through the rotating hole and the fixing hole and is connected. The drawing end swings around the rotating hole as the axis, and a gap is formed between the pulling rod and the drawing end for the drawing end to swing.

6. The on-site pull-out test device for the bonding strength of curved leather hard packs on indoor walls according to claim 5 is characterized in that: The fixing hole is provided with internal teeth for positioning the drawing end after swinging, and the outer peripheral wall of the rotating hole is evenly provided with a plurality of soft teeth for engaging with the internal teeth, and the soft teeth can abut against the internal teeth after engaging with the internal teeth.

7. The on-site pull-out test device for the bonding strength of curved leather hard packs on indoor walls according to claim 1 is characterized in that: A guide groove is provided on the fixing seat corresponding to the position of the pull rod, and the pull rod is partially embedded in the guide groove and moves along the length direction of the guide groove.

8. The on-site pull-out test device for the bonding strength of curved leather hard packs on indoor walls according to claim 1 or 7, characterized in that: A pull-out force scale mark is provided on the fixing seat corresponding to the pull rod position.

9. The on-site pull-out test device for the bonding strength of curved leather hard packs on indoor walls according to claim 1 is characterized in that: The motor is a synchronous motor.

10. The on-site pull-out test device for the bonding strength of curved leather hard packs on indoor walls according to claim 1 is characterized in that: The fixing seat is provided with a plurality of bolts, and the fixing seat is fixedly connected to the outside through the bolts.

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