Boiler heating surface tube row ball passing test device

Abstract

The utility model relates to the technical field of pipe row ball passing tests, and discloses a device for a boiler heating surface pipe row ball passing test, which comprises a ventilation pipe, and mounting pipes are arranged at two ends of the ventilation pipe. According to the device for the boiler heating surface tube bundle ball passing test, through the arrangement of a rotating block, a connecting block, a movable rod, a rack and a gear, when a test ball needs to be released, only one end of an L-shaped through hole is connected with a ball inlet hole at the beginning, and then the movable rod is pushed to drive the rack to move to drive the gear to rotate; the gear drives the rotating block to rotate through the connecting block, the position of the L-shaped through hole is changed along with rotation of the rotating block, the two ends of the L-shaped through hole are connected with the ball inlet hole and the ball outlet hole correspondingly, a ball can roll out of the ball outlet hole, and the process that the ball is fixed firstly and then released is achieved; the situation that the ball enters the ventilation pipe in advance due to shaking, accidental touch and the like of the device is avoided, and accidental rolling of the ball is prevented.

Description

TECHNICAL FIELD

[0001] The utility model relates to a tube row passes ball test technical field especially relates to a kind of boiler heating surface tube row passes ball test device. BACKGROUND

[0002] Boiler heating surface tube row is the key component of boiler, and its internal unobstructed degree is directly related to the normal operation of boiler, heat transfer efficiency and safety etc..In the process of boiler manufacturing, installation and subsequent maintenance, it needs to ensure that there is no blockage, foreign matter or pipe diameter anomaly etc. in tube row interior, so it must be effectively quality detection, and ball test is one of important means for detecting the internal condition of tube row.

[0003] However, the existing boiler heating surface tube row passes ball test device has the following shortcomings:

[0004] (1) the existing boiler heating surface tube row passes ball test device simple function, it is difficult to avoid the ball into ventilation pipe in advance due to device shaking, mistaken touch and other reasons, and it is easy to cause the accidental rolling of ball;

[0005] (2) in actual application, it is very practical, because the pipe diameter of ventilation pipe can be different due to different equipment, system or use scene, it is difficult to make the device adapt to ventilation pipe of different pipe diameter.

[0006] Therefore, the utility model provides a kind of boiler heating surface tube row passes ball test device. UTILITY MODEL CONTENT

[0007] (One) technical problem solved

[0008] The technical problem solved by the utility model is to provide a kind of boiler heating surface tube row passes ball test device, which has high practicability and simple structure, and can be operated simply, to solve the problems of ball entering ventilation pipe in advance due to device shaking, mistaken touch and other reasons and the device being difficult to adapt to ventilation pipe of different pipe diameter.

[0009] (Two) technical scheme

[0010] In order to achieve the above object, the utility model discloses a kind of boiler heating surface tube row passes ball test device, including ventilation pipe, both ends of the ventilation pipe are provided with installation pipe, one end of one installation pipe is provided with mounting block, rotating groove is opened in the inside of the mounting block, rotating block is rotatably connected in the inside of the rotating groove, L-shaped through-hole is opened in the surface of the rotating block, ball inlet hole and ball outlet hole are respectively opened in the top and one side of the mounting block, the both ends of the L-shaped through-hole are connected with ball inlet hole and ball outlet hole respectively, connecting block is fixedly connected on the both sides of the rotating block, mounting shell is installed on the front of the mounting block, movable rod is movably connected to the inner side wall of the mounting shell, rack is fixedly connected to one end of the movable rod, the surface of the rack is engaged with gear, the gear is fixedly connected to one side of one connecting block, one end of another installation pipe is fixedly connected with ball receiving tank, fixed block is fixedly connected on the surface of two installation pipes, cavity is opened in the inside of the fixed block, screw rod is rotatably connected to the inner side wall of the cavity, clamping plate is screw-connected to the surface of the screw rod, one end of the screw rod is fixedly connected with rotating disc, test ball is arranged in ball inlet hole.

[0011] Optionally, the surface of one of the connecting blocks is fixedly connected with a fan-shaped block, the inner side wall of the mounting shell is fixedly connected with two stop blocks, one end of the fan-shaped block is in contact with one side of one of the stop blocks, ensuring that the connecting block can only rotate by a specific angle.

[0012] Optionally, a limiting ring is fixedly sleeved to the surface of the other connecting block, a limiting groove that is matched with the limiting ring is opened in the inner side wall of the rotating groove, and the limiting ring is rotatably connected to the inside of the limiting groove, thereby ensuring the stability of the connecting block when rotating.

[0013] Optionally, a protective pad is fixedly connected to the surface of the clamping plate, and the protective pad is made of rubber material, thereby reducing the damage of the clamping plate to the ventilation pipe.

[0014] Optionally, a limiting rod is fixedly connected to the inner side wall of the cavity, and the limiting rod movably penetrates one side of the clamping plate, thereby improving the stability of the clamping plate when moving.

[0015] Optionally, a handle is rotatably connected to the surface of the rotating disc, and an anti-slip sleeve is fixedly sleeved to the surface of the handle, thereby facilitating the rotation of the rotating disc by an operator.

[0016] (Three) beneficial effects

[0017] The utility model provides a kind of boiler heating surface tube row passes ball test device, with the following beneficial effects:

[0018] 1. The device for boiler heating surface tube row through ball test, through the setting of rotating block, connecting block, movable rod, rack and pinion, when the test ball needs to be released, first at the initial time, the L-shaped through hole is connected with the ball inlet hole at one end, then the movable rod is pushed to drive the rack to move, so that the rack drives the pinion to rotate, the rotating block is driven to rotate through the connecting block, with the rotation of the rotating block, the position of the L-shaped through hole changes, so that the two ends of the L-shaped through hole are connected with the ball inlet hole and the ball outlet hole respectively, the ball can roll out of the ball outlet hole, the process of fixing the ball first and then releasing the ball is realized, the ball is prevented from entering the ventilation pipe in advance due to shaking, accidental collision and other reasons, and the accidental rolling of the ball is prevented.

[0019] 2. The device for boiler heating surface tube row through ball test, through the setting of threaded rod, clamping plate and rotating disc, when the installation pipe needs to be installed at the ventilation pipe opening, first the one end of the installation pipe is aligned with the ventilation pipe opening, then the threaded rod is driven to rotate in the inner side wall of the fixed block through the rotating disc, so that the clamping plate moves along the axial direction of the threaded rod, the two clamping plates are driven to move towards the pipe wall of the ventilation pipe from opposite directions at the same time, when the clamping plate contacts the pipe wall of the ventilation pipe, the ventilation pipe is gradually clamped, since the clamping plate can be driven to adjust and clamp according to the pipe diameter of the ventilation pipe under the driving of the threaded rod, the device can adapt to ventilation pipes with different pipe diameters, the cost and complexity are reduced by avoiding the design of separate installation structures for each pipe diameter. BRIEF DESCRIPTION OF DRAWINGS

[0020] Fig. 1 It is a whole structure schematic view of the utility model;

[0021] Fig. 2 It is an installation block structure schematic view of the utility model;

[0022] Fig. 3 It is an installation shell sectional structure schematic view of the utility model;

[0023] Fig. 4 It is an installation pipe sectional structure schematic view of the utility model.

[0024] In the drawing: 1, ventilation pipe; 2, installation pipe; 3, installation block; 4, rotating block; 5, connecting block; 6, installation shell; 7, movable rod; 8, rack; 9, pinion; 10, ball receiving tank; 11, fixed block; 12, threaded rod; 13, clamping plate; 14, rotating disc; 15, test ball; 16, fan-shaped block; 17, stop block; 18, limiting ring; 19, protective pad; 20, limiting rod; 21, handle. DETAILED DESCRIPTION

[0025] The technical scheme in the embodiments of the present utility model will be described clearly and completely in conjunction with the drawings in the embodiments of the present utility model. Based on the embodiments in the present utility model, all other embodiments obtained by the person skilled in the art without creative labor belong to the scope of protection of the present utility model.

[0026] Please refer to Figs. 1 to 4 The utility model provides a kind of technical scheme: a kind of boiler heating surface tube row passes ball test device, including ventilation pipe 1, the both ends of ventilation pipe 1 are provided with installation pipe 2, one end of one installation pipe 2 is provided with mounting block 3, the inside of mounting block 3 is opened with rotation groove, rotating block 4 is rotatably connected in the inside of rotation groove, the surface of rotating block 4 is opened with L type through-hole, the top of mounting block 3 and one side are respectively opened with the ball inlet hole and the ball outlet hole, the both ends of L type through-hole are connected with the ball inlet hole and the ball outlet hole respectively, the both sides of rotating block 4 are fixedly connected with connecting block 5, mounting shell 6 is installed on the front of mounting block 3, the inner side wall of mounting shell 6 is movably connected with movable rod 7, one end of movable rod 7 is fixedly connected with rack 8, the surface of rack 8 is engaged with gear 9, gear 9 is fixedly connected on the side of one connecting block 5, by the setting of rotating block 4, connecting block 5, movable rod 7, rack 8 and gear 9, when needing to release test ball 15, first at initial, only one end of L type through-hole is connected with the ball inlet hole, then movable rod 7 is pushed to drive rack 8 to move, to make it drive gear 9 to rotate, so that gear 9 drives rotating block 4 to rotate by connecting block 5, with the rotation of rotating block 4, the position of L type through-hole changes, so that the both ends of L type through-hole are connected with the ball inlet hole and the ball outlet hole respectively, ball can roll out from the ball outlet hole, realize the process of first fixing ball and then releasing ball, avoid ball from entering ventilation pipe 1 in advance due to device shaking, mistaken touch and other reasons, prevent the accidental rolling of ball, one end of another installation pipe 2 is fixedly connected with ball receiving tank 10, the surface of two installation pipes 2 is fixedly connected with fixed block 11, the inside of fixed block 11 is opened with cavity, the inner side wall of cavity is rotatably connected with threaded rod 12, the surface of threaded rod 12 is screw-connected with clamping plate 13, one end of threaded rod 12 is fixedly connected with rotating disc 14, the ball inlet hole is provided with test ball 15, by the setting of threaded rod 12, clamping plate 13 and rotating disc 14, when installation pipe 2 is installed in the mouth of ventilation pipe 1, first one end of installation pipe 2 is aligned with the mouth of ventilation pipe 1, then rotating disc 14 is rotated to drive threaded rod 12 to rotate in the inner side wall of cavity of fixed block 11, so that clamping plate 13 moves along the axial direction of threaded rod 12, two clamping plates 13 are driven by threaded rod 12 to approach the pipe wall of ventilation pipe 1 from opposite directions simultaneously, when clamping plate 13 contacts the pipe wall of ventilation pipe 1, it will gradually clamp ventilation pipe 1, since clamping plate 13 can be adjusted and clamped according to the pipe diameter of ventilation pipe 1 under the drive of threaded rod 12, so that the device can adapt to ventilation pipe 1 of different pipe diameters, avoid designing installation structure for each pipe diameter separately, reduce cost and complexity.

[0027] One surface of the connecting block 5 is fixedly connected with a fan-shaped block 16, the setting of the fan-shaped block 16 ensures that the connecting block 5 can only rotate a specific angle, the inner side wall of the mounting shell 6 is fixedly connected with two stop blocks 17, one end of the fan-shaped block 16 is in contact with one side of one of the stop blocks 17;

[0028] The surface of the other connecting block 5 is fixedly sleeved with a limiting ring 18, the setting of the limiting ring 18 ensures the stability of the connecting block 5 during rotation, the inner side wall of the rotating groove is provided with a limiting groove matched with the limiting ring 18, and the limiting ring 18 is rotationally connected in the limiting groove;

[0029] The surface of the clamping plate 13 is fixedly connected with a protective pad 19, the setting of the protective pad 19 reduces the damage of the clamping plate 13 to the ventilation pipe 1, and the protective pad 19 is made of rubber material;

[0030] The inner side wall of the cavity is fixedly connected with a limiting rod 20, the setting of the limiting rod 20 improves the stability of the clamping plate 13 during movement, and the limiting rod 20 movably penetrates one side of the clamping plate 13;

[0031] The surface of the rotating disc 14 is rotationally connected with a handle 21, the setting of the handle 21 facilitates the rotation of the rotating disc 14 by the operating personnel, and the surface of the handle 21 is fixedly sleeved with an anti-skid sleeve.

[0032] In the utility model, the working steps of the device are as follows:

[0033] The first step is that at the beginning, only one end of the L-shaped through hole is connected with the ball inlet hole, then the movable rod 7 is pushed to drive the rack 8 to move, so that the gear 9 is driven to rotate, the gear 9 drives the rotating block 4 to rotate through the connecting block 5, with the rotation of the rotating block 4, the position of the L-shaped through hole changes, so that the two ends of the L-shaped through hole are connected with the ball inlet hole and the ball outlet hole respectively, the ball can roll out of the ball outlet hole, the process of fixing the ball first and then releasing the ball is realized, and the ball is prevented from entering the ventilation pipe 1 in advance due to shaking, accidental collision and other reasons, and the accidental rolling of the ball is prevented;

[0034] The second step is that one end of the mounting pipe 2 is aligned with the ventilation pipe 1, then the rotating disc 14 is rotated to drive the threaded rod 12 to rotate on the inner side wall of the cavity of the fixed block 11, so that the clamping plate 13 moves along the axial direction of the threaded rod 12, and the two clamping plates 13 simultaneously approach the pipe wall of the ventilation pipe 1 from opposite directions under the drive of the threaded rod 12, when the clamping plate 13 contacts the pipe wall of the ventilation pipe 1, the clamping plate 13 will gradually clamp the ventilation pipe 1, since the clamping plate 13 can be adjusted and clamped according to the pipe diameter of the ventilation pipe 1 under the drive of the threaded rod 12, the device can adapt to ventilation pipes 1 with different pipe diameters, the cost and complexity are reduced, and the installation structure is designed for each pipe diameter.

[0035] It should be noted that the device structure and the drawings of the present application mainly describe the principle of the present application, and the setting of the power mechanism, power supply system and control system of the device is not completely described in the technical principle of the design, and under the premise that the above-mentioned principle of the present application is understood by the person skilled in the art, the specific power mechanism, power supply system and control system can be clearly known, and the control mode of the application file is automatically controlled by the controller, and the control circuit of the controller can be realized by simple programming of the person skilled in the art.

[0036] The standard parts used therein can be purchased from the market, and can be ordered according to the description and drawings, and the specific connection mode of each part adopts the conventional screw, rivet, welding and other conventional means in the prior art, and the mechanical parts and equipment adopt the conventional type in the prior art, and the components known to the person skilled in the art, and the structure and principle thereof can be known by the person skilled in the art through technical manual or through conventional experimental method.

[0037] Although the embodiments of the present application have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A device for through ball test of boiler heating surface tube bank, comprising a ventilation pipe (1), characterized in that: Both ends of the ventilation pipe (1) are provided with mounting pipe (2), one end of one of the mounting pipe (2) is provided with mounting block (3), the inside of the mounting block (3) is provided with a rotating slot, the inside of the rotating slot is rotatably connected with a rotating block (4), the surface of the rotating block (4) is provided with an L-shaped through hole, the top and one side of the mounting block (3) are respectively provided with a ball inlet hole and a ball outlet hole, both ends of the L-shaped through hole are connected with the ball inlet hole and the ball outlet hole, both sides of the rotating block (4) are fixedly connected with a connecting block (5), the front surface of the mounting block (3) is provided with a mounting shell (6), the inner side wall of the mounting shell (6) is movably connected with a movable rod (7), one end of the movable rod (7) is fixedly connected with a rack (8), the surface of the rack (8) is engaged with a gear (9), the gear (9) is fixedly connected to one side of one of the connecting blocks (5), one end of the other mounting pipe (2) is fixedly connected with a ball receiving tank (10), the surface of the two mounting pipes (2) is fixedly connected with a fixed block (11), the inside of the fixed block (11) is provided with a cavity, the inner side wall of the cavity is rotatably connected with a threaded rod (12), the surface of the threaded rod (12) is threadedly connected with a clamping plate (13), one end of the threaded rod (12) is fixedly connected with a rotating disc (14), the ball inlet hole is provided with a test ball (15).

2. A device for a ball test of a tube bank of a boiler heating surface according to claim 1, characterized in that: The surface of one of the connecting blocks (5) is fixedly connected with a fan-shaped block (16), the inner side wall of the mounting shell (6) is fixedly connected with two stop blocks (17), one end of the fan-shaped block (16) is in contact with one side of one of the stop blocks (17).

3. A device for a ball test of a tube bank of a boiler heating surface according to claim 1, characterized in that: The surface of the other connecting block (5) is fixedly sleeved with a limiting ring (18), the inner side wall of the rotating slot is provided with a limiting groove matched with the limiting ring (18), and the limiting ring (18) is rotatably connected in the limiting groove.

4. A device for a ball test of a tube bank of a boiler heating surface according to claim 1, characterized in that: The surface of the clamping plate (13) is fixedly connected with a protective pad (19), and the material of the protective pad (19) is rubber.

5. A device for a ball test of a tube bank of a boiler heating surface according to claim 1, characterized in that: The inner side wall of the cavity is fixedly connected with a limiting rod (20), and the limiting rod (20) movably penetrates one side of the clamping plate (13).

6. A device for a ball test of a tube bank of a boiler heating surface according to claim 1, characterized in that: The surface of the rotating disc (14) is rotatably connected with a handle (21), and the surface of the handle (21) is fixedly sleeved with an anti-skid sleeve.

Images