CN215860813U

CN215860813U - Structure for adjusting front guard plate gap in slurry pump

Info

Publication number: CN215860813U
Application number: CN202122442938.7U
Authority: CN
Inventors: 杜江波; 杨扬; 田文洲
Original assignee: Hebei Delin Machinery Co ltd
Current assignee: Hebei Delin Machinery Co ltd
Priority date: 2021-10-11
Filing date: 2021-10-11
Publication date: 2022-02-18
Anticipated expiration: 2031-10-11

Abstract

The utility model relates to the field of slurry pumps, in particular to a structure with an adjustable front guard plate gap for a slurry pump, which comprises an adjusting shell and a front guard plate structure connected to one end of the adjusting shell in a sliding mode, wherein a sliding groove is formed in the outer wall of one side of the adjusting shell, a movable cavity is formed in the position, located in the sliding groove, of the adjusting shell, a sealing groove is formed in the position, located in the outer wall of one side of the sliding groove, of the adjusting shell, a fixed connecting ring is welded to the outer wall of the adjusting shell, a connecting rubber ring is fixed to the outer wall of one side of the fixed connecting ring, and threaded pipes are welded to the top and the bottom of the outer wall of one side, far away from the sliding groove, of the adjusting shell. According to the utility model, the distance between the front guard plate and the impeller is reduced, the distance is finely adjusted through the air bag, the arc-shaped clamping plate is loosened, and the arc-shaped clamping plate clamps the limiting observation rod under the action of the spring.

Description

Structure for adjusting front guard plate gap in slurry pump

Technical Field

The utility model relates to the technical field of slurry pumps, in particular to a structure for adjusting a front guard plate gap by a slurry pump belt.

Background

The slurry pump refers to a device for converting electric energy into kinetic energy and potential energy of a medium by a machine for increasing energy of a solid-liquid mixed medium by the action of centrifugal force (rotation of an impeller of the pump). The method is mainly suitable for the following steps: the industrial fields of mines, power plants, dredging, metallurgy, chemical engineering, building materials, petroleum and the like;

through the searched patents: the utility model provides a sediment thick liquid pump backplate (201921063176.6) of adjustable clearance, the device sets up the clearance that bottom plate and sediment thick liquid pump were adjusted through the laminating department at bottom plate and sediment thick liquid pump, and then can adopt construction bolt to be connected bottom plate and the sediment thick liquid pump that corresponds, come to carry out dual protection to the sediment thick liquid pump through first guard plate and second guard plate simultaneously, application scope has effectively been improved, but adjust the distance of backplate and impeller and need dismantle the sediment thick liquid pump, consuming time and wasting power, and frequent dismantlement leads to the leakproofness decline of sediment thick liquid pump, in the use of sediment thick liquid pump, impeller and backplate wearing and tearing back clearance grow, the pump reflux increases, pump efficiency reduces, the great granule of clearance increase accessible, aggravation wearing and tearing.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the defects in the prior art, and provides a structure for adjusting the gap of a front guard plate by a slurry pump belt.

In order to achieve the purpose, the utility model adopts the following technical scheme:

the utility model provides a structure in backplate clearance before sediment thick liquid pump area is adjusted, is including adjusting shell and the preceding backplate structure of sliding connection in regulation shell one end, the sliding tray has been seted up to one side outer wall of regulation shell, and adjusts the shell and be located sliding tray department and seted up movable chamber, it has seted up the seal groove to adjust shell and be located sliding tray one side outer wall department, and the outer wall welding of adjusting the shell has fixed connection ring, one side outer wall of fixed connection ring is fixed with the connection rubber circle, it has all welded the screwed pipe to adjust one side outer wall top and the bottom that the sliding tray was kept away from to the shell, and the intracavity portion that just moves about is equipped with the regulation structure.

Preferably, the adjusting structure comprises an adjusting screw connected in the threaded pipe by threads, a support ring rotatably connected to one end, located at the inner part of the movable cavity, of the adjusting screw, an air bag fixed to the outer wall of the support ring away from one side of the adjusting screw, an air faucet arranged at the top of the air bag, a limit knob welded to the outer wall of the other end of the adjusting screw, and a telescopic graduated scale welded to the outer wall, located at the threaded pipe, of the adjusting shell.

Preferably, the outer wall of the top end of the adjusting shell is provided with an inflation hole at the position of the air tap, and the air tap extends to the outer wall of the adjusting shell through the inflation hole.

Preferably, the front guard plate structure comprises a sliding ring which is connected to the outer wall of the sliding groove in a sliding mode, a limiting ring plate which is welded to the outer wall of one end, located at the movable cavity, of the sliding ring, a limiting observation rod which is welded to the outer wall of one side, far away from the sliding ring, of the limiting ring plate at equal intervals, a fixing assembly which is clamped to the outer wall of the limiting observation rod, a limiting ring which is screwed to the outer wall of one end, far away from the limiting ring plate, of the limiting observation rod, and a front guard plate which is welded to the outer wall of the other side of the sliding ring.

Preferably, the fixed subassembly includes the square frame, the welding is at the spring that the square frame is close to one side outer wall each other and the welding is at the arc splint that the spring is close to one end outer wall each other, and the one side outer wall that the arc splint are close to each other contacts with spacing observation pole.

Preferably, adjust shell and support ring and all offer the through-hole with spacing observation pole looks adaptation, and spacing observation pole passes through the through-hole and extends to adjusting the shell outer wall.

Preferably, the sealing groove, the sliding groove, the through hole and the inflation hole are all fixed with sealing rubber rings, and the fixed connecting ring and the connecting rubber ring are all provided with connecting holes distributed at equal intervals.

The utility model has the beneficial effects that:

1. when the adjustable slurry pump is used, the structure is installed at the position of an original front guard plate of the slurry pump, the adjusting shell is connected with one end of the slurry pump through the fixed connecting ring and the connecting rubber ring, when the slurry pump is abraded, the air bag in the movable cavity is inflated through the inflation hole and the air nozzle, the air bag is fixed on one side of the supporting ring, the support performance of the air bag is improved, the limiting observation rod is loosened through the arc-shaped clamping plate and the spring, the air bag pushes the sliding ring to move after being inflated, the front guard plate is close to the impeller, the distance between the front guard plate and the impeller is shortened, the distance is finely adjusted through the air bag, the arc-shaped clamping plate is loosened, and the limiting observation rod is clamped by the arc-shaped clamping plate under the action of the spring;

2. if the wearing and tearing of sediment stuff pump are great, the gasbag only can when slowing down after aerifing, the flexible scale extension in the structure will be adjusted, make its one end support one side of spacing knob, rotate adjusting screw on the screwed pipe in adjusting shell top and the bottom, observe flexible scale control regulation length, adjusting screw promotes the support ring and is close to the slip ring, make the gasbag press close to the spacing ring board more, finally make the apron be close to the impeller, the spacing ring carries on spacingly to the slip ring, compare in traditional mode, be favorable to spacing, be favorable to improving the leakproofness, be favorable to reducing wear and life-span.

Drawings

FIG. 1 is a schematic overall structure diagram of a structure of a slurry pump with a front guard plate gap adjustment function according to the present invention;

FIG. 2 is a schematic cross-sectional view of an adjusting shell with a structure for adjusting the gap between the front guard plates of the slurry pump according to the present invention;

FIG. 3 is a back structural diagram of an adjusting shell of a slurry pump with a structure for adjusting the gap between the front guard plates;

FIG. 4 is a schematic view of the internal structure of a slurry pump with a structure for adjusting the gap between the front guard plates;

FIG. 5 is a schematic structural view of a cross section of a front guard plate structure of a slurry pump with a structure for adjusting the gap of the front guard plate;

FIG. 6 is a schematic view of an expanded structure of a slurry pump with a structure for adjusting the gap between the front guard plates;

fig. 7 is an overall sectional structural schematic diagram of a structure of a slurry pump with a front guard plate gap adjusting function.

In the figure: the device comprises an adjusting shell 1, a front guard plate structure 2, a movable cavity 3, a sliding groove 4, a sealing groove 5, a fixed connecting ring 6, a connecting rubber ring 7, a threaded pipe 8, an inflation hole 9, an adjusting structure 10, an adjusting screw 11, a supporting ring 12, an air bag 13, a limit knob 14, an air nozzle 15, a telescopic graduated scale 16, a sliding ring 17, a limit ring plate 18, a limit observing rod 19, a limit ring 20, a square frame 21, a spring 22, an arc-shaped clamping plate 23 and a front guard plate 24.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

Referring to fig. 1-7, a structure for adjusting a front guard plate gap in a slurry pump belt comprises an adjusting shell 1 and a front guard plate structure 2 slidably connected to one end of the adjusting shell 1, wherein a sliding groove 4 is formed in the outer wall of one side of the adjusting shell 1, a movable cavity 3 is formed in the position, where the adjusting shell 1 is located, of the sliding groove 4, a sealing groove 5 is formed in the position, where the adjusting shell 1 is located, of the outer wall of one side of the sliding groove 4, a fixed connecting ring 6 is welded to the outer wall of the adjusting shell 1, a connecting rubber ring 7 is fixed to the outer wall of one side of the fixed connecting ring 6, threaded pipes 8 are respectively welded to the top and the bottom of the outer wall of one side, away from the sliding groove 4, of the adjusting shell 1, and an adjusting structure 10 is arranged inside the movable cavity 3;

the adjusting structure 10 comprises an adjusting screw rod 11 in the threaded pipe 8 in a threaded manner, a support ring 12 rotatably connected to one end of the adjusting screw rod 11, which is positioned in the movable cavity 3, an air bag 13 fixed on the outer wall of one side of the support ring 12, which is far away from the adjusting screw rod 11, an air nozzle 15 arranged at the top of the air bag 13, a limit knob 14 welded on the outer wall of the other end of the adjusting screw rod 11, and a telescopic graduated scale 16 welded on the outer wall of the adjusting shell 1, which is positioned at the threaded pipe 8;

the inflation hole 9 is formed in the outer wall of the top end of the adjusting shell 1 and is located at the air nozzle 15, and the air nozzle 15 extends to the outer wall of the adjusting shell 1 through the inflation hole 9;

the front guard plate structure 2 comprises a sliding ring 17 connected to the outer wall of the sliding groove 4 in a sliding mode, a limiting ring plate 18 welded to the outer wall of one end, located on the movable cavity 3, of the sliding ring 17, limiting observation rods 19 welded to the outer wall of one side, far away from the sliding ring 17, of the limiting ring plate 18 at equal intervals, a fixing assembly clamped to the outer wall of the limiting observation rods 19, limiting rings 20 in threaded connection with the outer wall of one end, far away from the limiting ring plate 18, of the limiting observation rods 19, and a front guard plate 24 welded to the outer wall of the other side of the sliding ring 17;

the fixing assembly comprises a square frame 21, a spring 22 welded on the outer wall of one side, close to each other, of the square frame 21 and an arc-shaped clamping plate 23 welded on the outer wall of one end, close to each other, of the spring 22, and the outer wall of one side, close to each other, of the arc-shaped clamping plate 23 is in contact with the limiting observation rod 19;

through holes matched with the limiting observation rod 19 are respectively formed in the adjusting shell 1 and the support ring 12, and the limiting observation rod 19 extends to the outer wall of the adjusting shell 1 through the through holes;

the sealing rubber ring is fixed respectively in seal groove 5, sliding tray 4, through-hole and aerify hole 9 department, and the connecting hole that the equidistance distributes sets up respectively at fixed link 6 and connection rubber circle 7, compares in traditional mode, reduces the number of times of dismantling the sediment stuff pump, keeps the leakproofness of sediment stuff pump, is convenient for adjust the interval of front fender 24 and impeller, raises the efficiency and reduces wearing and tearing, is favorable to spacing regulation, is favorable to improving the leakproofness, is favorable to reducing wear and improving life-span.

The working principle is as follows: when the structure is used, the structure is installed at the position of an original front guard plate 24 of a slurry pump, the adjusting shell 1 is connected with one end of the slurry pump through the fixed connecting ring 6 and the connecting rubber ring 7, when the slurry pump is worn, the air bag 13 in the movable cavity 3 is inflated through the inflation hole 9 and the air nozzle 15, the air bag 13 is fixed on one side of the supporting ring 12, the support performance of the air bag 13 is improved, the limiting observation rod 19 is loosened through the arc-shaped clamp plate 23 and the spring 22, the sliding ring 17 is pushed to move after the air bag 13 is inflated, the front guard plate 24 is close to the impeller, the distance between the front guard plate 24 and the impeller is reduced, the distance is finely adjusted through the air bag 13, the arc-shaped clamp plate 23 is loosened, and the limiting observation rod 19 is clamped by the arc-shaped clamp plate 23 under the action of the spring 22; if the sediment stuff pump wearing and tearing are great, when the gasbag 13 only can alleviate after aerifing, will adjust the flexible scale 16 extension in the structure 10, make its one end support the one side of spacing knob 14, rotate adjusting screw 11 on the screwed pipe 8 in adjusting shell 1 top and the bottom, observe flexible scale 16 control regulation length, adjusting screw 11 promotes support ring 12 and is close to slip ring 17 for gasbag 13 more presses close to spacing ring plate 18, finally make the apron plate 24 be close to the impeller, spacing ring 20 carries on spacingly to slip ring 17.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the equipment or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.

Claims

1. The utility model provides a structure in backplate clearance before sediment pulp pump area is adjusted, is including adjusting preceding backplate structure (2) of shell (1) one end of regulation shell (1) and sliding connection, its characterized in that, sliding tray (4) have been seted up to one side outer wall of adjusting shell (1), and adjust shell (1) and be located sliding tray (4) department and seted up movable chamber (3), it has seted up seal groove (5) to adjust shell (1) to be located sliding tray (4) one side outer wall department, and the outer wall welding of adjusting shell (1) has fixed go-between (6), one side outer wall of fixed go-between (6) is fixed with connection rubber circle (7), it has screwed pipe (8) all to weld in one side outer wall top and the bottom of sliding tray (4) to adjust shell (1), and movable chamber (3) inside is equipped with adjusts structure (10).

2. The structure with the adjustable front guard plate gap for the slurry pump according to claim 1, wherein the adjusting structure (10) comprises an adjusting screw rod (11) which is in threaded connection with the threaded pipe (8), a support ring (12) which is rotatably connected with one end of the adjusting screw rod (11) which is positioned in the movable cavity (3), an air bag (13) which is fixed on the outer wall of one side of the support ring (12) far away from the adjusting screw rod (11), an air nozzle (15) which is arranged at the top of the air bag (13), a limit knob (14) which is welded on the outer wall of the other end of the adjusting screw rod (11), and a telescopic graduated scale (16) which is welded on the outer wall of the adjusting shell (1) which is positioned at the threaded pipe (8).

3. The structure of the slurry pump belt for adjusting the gap between the front guard plates as claimed in claim 1, wherein the outer wall of the top end of the adjusting shell (1) is provided with an inflation hole (9) at the position of the air nozzle (15), and the air nozzle (15) extends to the outer wall of the adjusting shell (1) through the inflation hole (9).

4. The structure for adjusting the front guard plate gap of the slurry pump belt according to claim 1, wherein the front guard plate structure (2) comprises a sliding ring (17) slidably connected to the outer wall of the sliding groove (4), a limit ring plate (18) welded to the outer wall of the sliding ring (17) at one end of the movable cavity (3), limit observing rods (19) welded to the outer wall of the limit ring plate (18) at one side away from the sliding ring (17) at equal intervals, a fixing component clamped to the outer wall of the limit observing rods (19), a limit ring (20) screwed to the outer wall of the limit observing rods (19) at one end away from the limit ring plate (18), and a front guard plate (24) welded to the outer wall of the other side of the sliding ring (17).

5. The structure for adjusting the gap of the front guard plate of the slurry pump belt according to claim 4, wherein the fixing assembly comprises a frame (21), a spring (22) welded on the outer wall of one side of the frame (21) close to each other, and an arc-shaped clamping plate (23) welded on the outer wall of one end of the spring (22) close to each other, and the outer wall of one side of the arc-shaped clamping plate (23) close to each other is in contact with the limiting observation rod (19).

6. The structure for adjusting the gap between the front guard plates of the slurry pump according to claim 1, wherein the adjusting shell (1) and the support ring (12) are both provided with through holes matched with the limiting observation rods (19), and the limiting observation rods (19) extend to the outer wall of the adjusting shell (1) through the through holes.

7. The structure for adjusting the gap between the front guard plates of the slurry pump belt according to claim 1, wherein sealing rubber rings are fixed at the sealing groove (5), the sliding groove (4), the through hole and the inflation hole (9), and the fixed connecting ring (6) and the connecting rubber ring (7) are provided with connecting holes distributed equidistantly.