Device for detecting adhesive force of lining of steel lining polytetrafluoroethylene pipeline

Abstract

The utility model discloses a device for detecting the adhesive force of a lining of a steel-lined polytetrafluoroethylene pipeline, which relates to the field of steel-lined polytetrafluoroethylene pipeline monitoring equipment and comprises a bottom plate, a hydraulic telescopic rod fixedly connected to the top of a mounting rack, first shells mounted at the bottom end of a dynamometer and the top end of the bottom plate, and a mounting plate rotatably connected to the inside of each first shell, a plurality of vortex grooves are formed in the end face of the mounting plate, sliding blocks are slidably connected to the interiors of the vortex grooves, the ends, arranged on the outer sides of the vortex grooves, of the sliding blocks are fixedly connected with connecting rods, and the ends, arranged on the outer side of the first shell, of the connecting rods are fixedly connected with clamping plates. The moving vortex grooves drive the sliding blocks to slide in the vortex grooves and converge in the center direction of the mounting plate, the connecting rods drive the clamping plates to contract inwards till the clamping plates clamp the outer side of the metal rod, the multiple clamping plates clamp the metal rod from multiple faces and are attached to the side face of the metal rod, and clamping is more stable.

Description

TECHNICAL FIELD

[0001] The utility model relates to steel lining tetrafluoro pipeline monitoring equipment field, concretely to a kind of steel lining tetrafluoro pipeline lining adhesion detection device. BACKGROUND

[0002] Steel lining tetrafluoro pipeline is immersed into sodium naphthalene solution for 5-10 min, then soaked in acetone solution for 3-5 min, and the workpiece is taken out from the acetone solution, rinsed clean with water and placed in a dark place for natural drying. Epoxy resin, silicone or polyurethane is used as adhesive, uniformly coated on the treated surface to be bonded and immediately bonded inside the seamless steel pipe. After standing for 24 h at 24-30℃, the bonding is firm. Steel lining tetrafluoro pipeline has excellent temperature resistance and corrosion resistance, and is an ideal conveying equipment for strong corrosive media such as nitric acid, sulfuric acid, hydrofluoric acid, phosgene, chlorine, aqua regia, mixed acid and bromide.

[0003] During production, the lining of steel lining tetrafluoro pipeline needs to be tested for adhesion. The general testing method is to take a section of steel lining tetrafluoro pipeline, remove the lining at one end of the pipeline, then adhere metal rods to the two ends of the pipeline under the condition of ensuring coaxial, and then the testing device clamps the metal rods at both ends, pulls the metal rods until the lining falls off from the steel pipe, and the force meter records the test results. However, the existing clamp for metal rods is generally a flat clamp, which has poor clamping effect and the metal rods are easy to fall off, making it inconvenient to use.

[0004] To solve the above problems, we have improved and proposed a steel lining tetrafluoro pipeline lining adhesion detection device. CONTENT OF THE UTILITY MODEL

[0005] To solve the above technical problems, the utility model provides the following technical scheme:

[0006] The utility model provides a kind of steel lining tetrafluoro pipeline lining adhesion detection device, including bottom plate, the top end of the bottom plate is fixedly connected with mounting bracket, the top of the mounting bracket is fixedly connected with hydraulic telescopic link, the bottom end of the hydraulic telescopic link is fixedly connected with force meter, the bottom end of the force meter and the top end of bottom plate are all installed with first shell body, the inside of the first shell body is rotatably connected with mounting plate, the end face of the mounting plate is equipped with a plurality of vortex grooves, the inside of the vortex groove is slidably connected with sliding block, the one end of the sliding block setting vortex groove outer side is fixedly connected with connecting rod, and connecting rod penetrates to the side of first shell body, the one end of the connecting rod setting first shell body outer side is fixedly connected with clamping plate.

[0007] As a preferred technical scheme of the utility model, the outside of the first shell is fixedly connected with a second shell, the inside of the second shell is rotationally connected with a worm, and the front end of the worm penetrates to the outside of the second shell, the side surface of the worm is meshingly connected with a worm wheel, the middle part of the worm wheel is fixedly connected with a rotating shaft, and the bottom end of the rotating shaft is fixedly connected with the mounting plate, and the rotating shaft is rotationally connected in the inside of the second shell.

[0008] As a preferred technical scheme of the utility model, the top middle part of the bottom plate is fixedly connected with a pair of guide rails, the top of the guide rail is slidingly connected with a mounting seat, and the top end of the mounting seat is fixedly connected with the first shell below.

[0009] As a preferred technical scheme of the utility model, the top left and right sides of the bottom plate are fixedly connected with hinged seats, the inside of the hinged seat is hingedly connected with a limiting frame, the left and right sides of the mounting seat are fixedly connected with protruding blocks, and the protruding blocks are matched with the limiting frame.

[0010] As a preferred technical scheme of the utility model, the bottom end of the force gauge is fixedly connected with a connecting frame, and the bottom end of the connecting frame is fixedly connected with the first shell above.

[0011] As a preferred technical scheme of the utility model, the inside of the clamping plate is provided with an arc, and the inside of the clamping plate is provided with a tooth pattern.

[0012] The utility model discloses beneficial effects are:

[0013] 1, the utility model discloses, and the vortex groove rotates to the mounting plate, and the vortex groove of movement drives the slider to slide in the inside of vortex groove, and converges to the center direction of mounting plate, and makes the connecting rod drive the clamping plate to contract inwards, until clamping in the outside of metal bar, and multiple clamping plates are clamped from multiple sides to metal bar, and are pasted with metal bar side, make clamping more stable.

[0014] 2, the utility model discloses, and the mounting seat slides on the guide rail, can make the upper and lower two clamping mechanisms to be out of position, and the installation of four fluorine pipeline of steel lining to be measured is convenient. ACCURATE DRAWINGS

[0015] The drawings are used to provide further understanding of the utility model, and constitute a part of the specification, are used to explain the utility model along with the embodiment of the utility model, and do not constitute the limitation to the utility model.In the drawings:

[0016] Figure 1 It is the perspective view of the utility model;

[0017] Figure 2 It is the inside schematic view of the first shell of the utility model;

[0018] Figure 3is a partial sectional view of the utility model;

[0019] In the figure: 1, base plate; 2, mounting bracket; 3, hydraulic telescopic rod; 4, dynamometer; 5, connecting frame; 6, first housing; 7, second housing; 8, guide rail; 9, mounting seat; 10, limiting frame; 11, hinged seat; 12, lug; 13, mounting plate; 14, spiral groove; 15, sliding block; 16, connecting rod; 17, clamping plate; 18, worm; 19, worm wheel; 20, rotating shaft. DETAILED DESCRIPTION

[0020] The preferred embodiments of the utility model are described below in combination with the drawings, and it should be understood that the preferred embodiments described here are only used to illustrate and explain the utility model, and are not used to limit the utility model.

[0021] Embodiment: as Figures 1-3 The utility model discloses a steel lining four fluorine pipeline inside lining adhesion detection device, including base plate 1, the top fixedly connected with mounting bracket 2 of base plate 1, the top fixedly connected with hydraulic telescopic rod 3 of mounting bracket 2, the bottom fixedly connected with dynamometer 4 of hydraulic telescopic rod 3, and the bottom of dynamometer 4 and the top of base plate 1 are all installed with first housing 6, and the inside rotationally connected with mounting plate 13 of first housing 6, and the end surface of mounting plate 13 is equipped with a plurality of spiral grooves 14, and the inside slidingly connected with sliding block 15 of spiral groove 14, and the one end fixedly connected with connecting rod 16 of sliding block 15 is arranged at the outside of spiral groove 14, and connecting rod 16 penetrates to the side of first housing 6, and the one end fixedly connected with clamping plate 17 of connecting rod 16 is arranged at the outside of first housing 6, and the inside of clamping plate 17 is provided with the camber, and the inside of clamping plate 17 is equipped with the grain;

[0022] The metal rod adhered to the both ends of the steel lining four fluorine pipeline is respectively abutted with the first housing 6 on the upper and lower sides of the device, the spiral groove 14 is rotated by rotating the mounting plate 13, the spiral groove 14 in motion drives the sliding block 15 to slide in the inside of the spiral groove 14, and converges to the center direction of the mounting plate 13, so that the connecting rod 16 drives the clamping plate 17 to contract inward, until clamped on the outside of the metal rod, the plurality of clamping plates 17 clamp the metal rod from the plurality of sides, and are attached to the side of the metal rod, so that the clamping is more stable, then the hydraulic telescopic rod 3 works to pull up the dynamometer 4, and then pulls the metal rod, until the inner lining is separated from the steel pipe, and the dynamometer 4 records the test result.

[0023] Specifically, as Figure 3As shown, the outer side of the first shell 6 is fixedly connected with the second shell 7, the inside of the second shell 7 is rotatably connected with the worm 18, the front end of the worm 18 penetrates to the outside of the second shell 7, the side surface of the worm 18 is meshingly connected with the worm gear 19, the middle part of the worm gear 19 is fixedly connected with the rotating shaft 20, the bottom end of the rotating shaft 20 is fixedly connected with the mounting plate 13, the rotating shaft 20 is rotatably connected in the inside of the second shell 7, the front end of the worm 18 is provided with a rotating block matched with a wrench, rotating the worm 18 drives the worm gear 19 to rotate, the rotating worm gear 19 drives the mounting plate 13 to rotate in the first shell 6 through the rotating shaft 20.

[0024] Specifically, as shown in the figure, Figure 1 As shown, the top end of the bottom plate 1 is fixedly connected with a pair of guide rails 8, the top of the guide rail 8 is slidably connected with a mounting seat 9, and the top end of the mounting seat 9 is fixedly connected with the first shell 6 below, the mounting seat 9 slides on the guide rail 8, which can make the upper and lower clamping mechanisms staggered, facilitating the installation of the steel lining four fluorine pipe to be tested.

[0025] Specifically, as shown in the figure, Figure 1 As shown, the top end of the bottom plate 1 is fixedly connected with a pair of guide rails 8, the top of the guide rail 8 is slidably connected with a mounting seat 9, and the top end of the mounting seat 9 is fixedly connected with the first shell 6 below, the mounting seat 9 slides on the guide rail 8, which can make the upper and lower clamping mechanisms staggered, facilitating the installation of the steel lining four fluorine pipe to be tested.

[0026] Specifically, as shown in the figure, Figure 1 As shown, the bottom end of the force gauge 4 is fixedly connected with a connecting frame 5, and the bottom end of the connecting frame 5 is fixedly connected with the first shell 6 above, the connecting frame 5 is arranged between the force gauge 4 and the first shell 6, and is used for the installation of the second shell 7.

[0027] Working principle: the metal rods adhered to the two ends of the steel lining four fluorine pipe respectively abut against the first shell 6 on the upper and lower sides of the device, the wrench is used to rotate the worm 18 to drive the worm gear 19 to rotate, the rotating worm gear 19 drives the mounting plate 13 to rotate in the first shell 6 through the rotating shaft 20, rotating the mounting plate 13 makes the vortex groove 14 rotate, the moving vortex groove 14 drives the sliding block 15 to slide in the inside of the vortex groove 14 and converges to the center direction of the mounting plate 13, the connecting rod 16 drives the clamping plate 17 to shrink inward, until the clamping plate 17 is clamped on the outside of the metal rod, a plurality of clamping plates 17 clamp the metal rod from multiple surfaces, then the hydraulic telescopic rod 3 works to pull up the force gauge 4, and then pulls the metal rod, until the lining is separated from the steel pipe, and the force gauge 4 records the test result.

[0028] Finally, it should be noted that: the above only for the preferred embodiments of the present application, and is not intended to limit the present application, although the foregoing embodiments of the present application have been described in detail, for the skilled in the art, it still can be modified, or for the equivalent replacement of part of the technical features of the technical solutions recorded in the foregoing embodiments. Any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application, shall be included within the scope of the present application.

Claims

1. A device for detecting the adhesion of a steel lining in a Teflon-lined pipeline, comprising a base plate (1), characterized in that, The top end of the bottom plate (1) is fixedly connected with a mounting rack (2), the top of the mounting rack (2) is fixedly connected with a hydraulic telescopic rod (3), the bottom end of the hydraulic telescopic rod (3) is fixedly connected with a force gauge (4), the bottom end of the force gauge (4) and the top end of the bottom plate (1) are both provided with a first shell (6), the inside of the first shell (6) is rotatably connected with a mounting plate (13), a plurality of vortex grooves (14) are arranged in the end face of the mounting plate (13), a sliding block (15) is slidably connected in the vortex groove (14), the sliding block (15) is fixedly connected with a connecting rod (16) at one end outside the vortex groove (14), and the connecting rod (16) penetrates to the side of the first shell (6), and the connecting rod (16) is fixedly connected with a clamping plate (17) at one end outside the first shell (6).

2. The device for detecting the adhesion of the steel lining to the PTFE pipe according to claim 1, wherein The outside of the first shell (6) is fixedly connected with a second shell (7), the inside of the second shell (7) is rotatably connected with a worm (18), and the front end of the worm (18) penetrates to the outside of the second shell (7), the side of the worm (18) is engagedly connected with a worm wheel (19), the middle of the worm wheel (19) is fixedly connected with a rotating shaft (20), and the bottom end of the rotating shaft (20) is fixedly connected with the mounting plate (13), and the rotating shaft (20) is rotatably connected in the inside of the second shell (7).

3. The device for detecting the adhesion of the steel lining to the PTFE pipe according to claim 1, wherein The top end of the bottom plate (1) is fixedly connected with a pair of guide rails (8), the top of the guide rail (8) is slidably connected with a mounting seat (9), and the top end of the mounting seat (9) is fixedly connected with the first shell (6) below.

4. The device for detecting the adhesion of the steel lining to the polytetrafluoroethylene pipe according to claim 3, characterized in that, The left and right sides of the top end of the bottom plate (1) are both fixedly connected with a hinged seat (11), the inside of the hinged seat (11) is hingedly connected with a limiting frame (10), the left and right sides of the mounting seat (9) are both fixedly connected with a protruding block (12), and the protruding block (12) is matched with the limiting frame (10).

5. The device for detecting the adhesion of the steel lining to the polytetrafluoroethylene pipe according to claim 1, wherein The bottom end of the force gauge (4) is fixedly connected with a connecting frame (5), and the bottom end of the connecting frame (5) is fixedly connected with the first shell (6) above.

6. The device for detecting the adhesion of the steel lining to the polytetrafluoroethylene pipe according to claim 1, wherein The inside of the clamping plate (17) is provided with an arc, and the inside of the clamping plate (17) is provided with a tooth pattern.

Images