CN206694203U - Grouting pump and its grouting cylinder - Google Patents

Abstract

The utility model relates to the field of grouting equipment, in particular to a grouting pump and a grouting cylinder. The grouting pump includes a drive cylinder and a grouting cylinder connected with the drive cylinder and driven by the drive cylinder, the grouting cylinder is a plunger grouting cylinder, and the plunger grouting cylinder includes a grouting cylinder body and a sliding sealing assembly on the grouting The plunger in the cylinder, one end of the plunger slurry cylinder is provided with a grout suction port and a grout discharge port, and the end of the grouting cylinder away from the suction and discharge port is provided with an observation port and a plunger insertion port for the plunger to insert . When a failure occurs in the operation of the plunger, it can be directly observed through the observation port, which solves the problem that the failure of the grouting cylinder of the current grouting pump cannot be detected in time.

Description

Grouting pump and its grouting cylinder

technical field

The utility model relates to the field of grouting equipment, in particular to a grouting pump and a grouting cylinder.

Background technique

In the grouting construction process, a grouting pump is usually used, and the grouting pump commonly used at present has a piston grouting cylinder. As shown in Figure 3, the piston grouting cylinder 1 of the double-fluid grouting pump drives the double-acting piston 11 in the piston grouting cylinder 1 to move through the single-cylinder double-acting single-piston rod hydraulic cylinder, and the piston grouting cylinder 1 is a double-acting slurry cylinder, the two ends of the piston slurry cylinder are respectively provided with a slurry inlet valve 12 and a slurry discharge valve 13, through the reciprocating motion of the double-acting piston 11 in the piston slurry cylinder 1, the purpose of double liquid suction and discharge is realized, and the piston The reciprocating motion of 11 reaches the purpose of sucking and discharging slurry. The damaged piston of this kind of grouting pump is easy to cause damage to the grouting cylinder, and the failure of the piston cannot be found in time. In addition, for the double-fluid grouting pump, the damaged piston will cause the two kinds of grout to mix in the grouting cylinder. After the two kinds of slurry react, the slurry tank will be permanently damaged, and the whole set of slurry tank needs to be replaced.

Utility model content

The purpose of this utility model is to provide a grouting pump to solve the problem that the current grouting pump cannot be found in time after failure; in addition, the purpose of this utility model is also to provide a grouting pump used by the above slurry tank.

In order to achieve the above object, the technical solution of the grouting pump of the utility model is: the grouting pump includes a drive cylinder and a grouting cylinder connected with the drive cylinder and driven by the drive cylinder, the grouting cylinder is a plunger grouting cylinder, the The plunger slurry cylinder includes a grouting cylinder body and a plunger that is slidingly sealed and assembled in the grouting cylinder body. One end of the plunger slurry cylinder is provided with a grout suction port and a grout discharge port. One end of the port is provided with an observation port and a plunger insertion port for the plunger to be inserted into.

The grouting cylinder includes a main body and a connecting sleeve detachably fixed on the main body, the connecting sleeve is fixedly connected with the cylinder body of the driving cylinder, and the viewing port is arranged on the connecting sleeve.

The plunger insertion port is provided with a seal that slides and seals with the plunger, and the inner side of the grouting cylinder is provided with a step surface, and the plunger insertion port is also provided with a press fit with the seal to press the seal on the step. The seal press sleeve on the surface has a press sleeve hole for the plunger to pass through and to be slidably fitted with the plunger.

The grouting cylinder includes a main body and a connecting sleeve detachably fixed on the main body. The connecting sleeve is fixedly connected with the cylinder body of the driving cylinder. The connecting sleeve is guided and matched with the connecting sleeve along the extending direction of the connecting sleeve.

The pressure sleeve of the sealing element is provided with an external thread and is connected to the cylinder body through the external thread, and the connecting sleeve is fixedly connected with the grouting cylinder body through a flange.

The grouting pump is a double-fluid grouting pump, the grouting cylinder is provided with two, and the driving cylinder is a double-piston rod hydraulic cylinder.

The technical scheme of the grouting cylinder of the present utility model is: the grouting cylinder is a plunger grouting cylinder, and the plunger grouting cylinder includes a grouting cylinder body and a plunger sliding and sealingly assembled in the grouting cylinder body, and the plunger grouting cylinder One end of the grouting cylinder is provided with a grout suction port and a grout discharge port, and the end of the grouting cylinder away from the suction and discharge port is provided with an observation port and a plunger insertion port for the plunger to insert.

The grouting cylinder includes a main body and a connecting sleeve detachably fixed on the main body for fixed connection with the cylinder body of the drive cylinder, and the viewing port is arranged on the connecting sleeve.

The plunger insertion port is provided with a seal that slides and seals with the plunger, and the inner side of the grouting cylinder is provided with a step surface, and the plunger insertion port is also provided with a press fit with the seal to press the seal on the step. The seal press sleeve on the surface has a press sleeve hole for the plunger to pass through and to be slidably fitted with the plunger.

The grouting cylinder includes a main body and a connecting sleeve detachably fixed on the main body. The connecting sleeve is fixedly connected with the cylinder body of the driving cylinder. The connecting sleeve is guided and matched with the connecting sleeve along the extending direction of the connecting sleeve.

The beneficial effects of the utility model are: the grouting cylinder of the grouting pump is a plunger grouting cylinder, and the grouting cylinder body of the plunger grouting cylinder is provided with an observation window at one end of the suction and discharge port in principle, during the operation process of the grouting pump In the process, the plunger of the plunger slurry cylinder is driven to reciprocate by the driving cylinder to achieve the purpose of suction and discharge of slurry. When the plunger fails, it can be directly observed through the observation port, which solves the problem of the grouting cylinder of the current grouting pump. Problems that cannot be discovered in time after a failure.

Further, the observation port is arranged on the connection sleeve, and the connection sleeve is detachably fixed on the body of the grouting cylinder, which facilitates the processing of the observation port.

Further, the plunger insertion port is provided with a seal that slides and seals with the plunger, the inner side of the grouting cylinder is provided with a stepped surface, and the plunger insertion port is also provided with a pressure fit with the seal to press the seal. The sealing element pressure sleeve installed on the step surface, the sealing element pressure sleeve has a pressure sleeve hole for the plunger to pass through and slide with the plunger, through the constant pressure of the sealing element pressure sleeve, the sealing performance of the seal is guaranteed. At the same time, it is convenient to disassemble and assemble the seal.

Further, the grouting cylinder includes a main body and a connecting sleeve detachably fixed on the main body, the connecting sleeve is fixedly connected with the cylinder body of the driving cylinder, the observation port is arranged on the connecting sleeve, and the sealing member presses The sleeve extends into the connecting sleeve and guides and cooperates with the connecting sleeve along the extending direction of the connecting sleeve, and the positioning and installation of the connecting sleeve is facilitated by the guiding function of the sealing member pressing the sleeve.

Description of drawings

Fig. 1 is the structural representation of the grouting pump of the specific embodiment of the present utility model;

Fig. 2 is a schematic diagram of the structure of the plunger slurry cylinder in Fig. 1;

Fig. 3 is a schematic structural view of a piston cylinder in the prior art.

detailed description

Embodiments of the present utility model will be further described below in conjunction with the accompanying drawings.

The concrete embodiment of the grouting pump of the present utility model, as shown in Fig. 1 to Fig. 2, the grouting pump comprises mounting seat 1, is provided with double-acting double-piston-rod hydraulic cylinder 2 on the mounting seat, double-piston-rod hydraulic cylinder 2 constitutes the driving cylinder of the grouting pump. The hydraulic cylinder 2 is equipped with double piston rods. The left end and the right end of the hydraulic cylinder 2 are respectively connected with a left grouting cylinder 41 and a right grouting cylinder 42. Both the left and right grouting cylinders are columns Plug cylinder.

The left and right grouting cylinders have the same structure, and the left grouting cylinder is taken as an example to illustrate. The left grouting cylinder 41 comprises a grouting cylinder 43 and a plunger 44 which is assembled in a sliding seal on the grouting cylinder 43. The plunger 44 is connected with a plunger rod 47, and the grouting cylinder 43 is provided with The plunger insertion port is provided with a seal 45 that is slidingly and sealingly engaged with the plunger. In this embodiment, the inside of the grouting cylinder 43 is provided with a stepped surface, and the plunger insertion port is also provided with a sealing element pressing sleeve 46 for pressing the sealing element 45 on the stepped surface. The sealing member 45 is press-fitted to press-fit the sealing member 45 on the step surface, and the sealing member press sleeve 46 has a press sleeve hole for the plunger 44 to pass through and to slide fit with the plunger 44 . By setting the pressure sleeve of the sealing element, the positioning of the sealing element is firm, and at the same time, the assembly of the sealing element is facilitated, and the processing of the grouting cylinder body is facilitated. The structures of the left and right grouting cylinders are the same and will not be described in detail.

In this embodiment, the grouting cylinder 43 includes a body and a connecting sleeve 31 detachably fixed on the body. The grouting cylinder 43 is fixedly connected to the cylinder body of the hydraulic cylinder through the connecting sleeve. The connecting sleeve 31 is provided with an observation port 30 . The grouting cylinder adopts a plunger grouting cylinder, the plunger in the plunger grouting cylinder has a long service life, improves the stability of the grouting pump, and is easy to maintain and operate. The opening of the observation port 30 is upward, through which the plunger failure of the grouting pump can be found in time to avoid damage to the grouting pump. In this embodiment, the bottom of the mounting seat is provided with rollers 11 to facilitate the movement of the grouting pump. The hydraulic cylinder 2 is connected with a hydraulic pump 6, and the hydraulic pump 6 is used to pump high-pressure oil into the hydraulic cylinder 2. The hydraulic cylinder 2 is provided with an oil inlet 21 and an oil outlet 22. The inlet and outlet are connected to the high-pressure oil pipeline, and the piston is driven by alternately injecting high-pressure oil into the rod chambers on the left and right sides of the hydraulic cylinder. , and then drive the plunger movement of the left and right grouting cylinders.

In this embodiment, the plunger insertion port is arranged at the end of the grouting cylinder 43 away from the suction and discharge ports. The left end of the grouting cylinder 43 is provided with a grout suction port 431 and a grout discharge port 432. A slurry suction valve 51 is provided, and a slurry discharge valve 52 is provided at the slurry discharge port 432 . Through the action of the plunger 44 in the plunger slurry cylinder 4, the slurry suction valve 51 and the slurry discharge valve 52 are respectively controlled for slurry injection.

The sealing element pressing sleeve 46 is provided with external thread, and the grouting cylinder 43 is provided with an internal thread matching the external thread on the sealing element pressing sleeve, and the sealing element pressing sleeve 46 is installed on the grouting cylinder 43 through the external thread. Easy installation of seals. In this embodiment, the sealing member pressing sleeve 46 extends into the connecting sleeve 31 and guides and cooperates with the connecting sleeve along the left and right directions, so as to facilitate the assembly of the connecting sleeve. The connecting sleeve 31 is fixed on the grouting cylinder 43 through the flange, which improves the fixing strength between the connecting sleeve and the grouting cylinder, and facilitates disassembly and maintenance. The structure of the right grouting cylinder is the same as that of the left grouting cylinder, so no more details are given.

The grouting cylinder of the grouting pump of the utility model adopts a plunger grouting cylinder, and the motor drives the hydraulic pump to generate high-pressure oil, which enters the hydraulic cylinder 2 and pushes the piston in the cylinder to reciprocate.

When the grouting pump is in use, connect the grouting pipe to the grouting valve and clamp it tightly with a clamp to ensure no leakage. The grouting pump is a single-cylinder double-acting piston reciprocating pump. Its working principle is: the motor drives the hydraulic pump through the coupling to generate high-pressure oil, and the high-pressure oil enters the hydraulic cylinder 2 through pipelines and control valves to push the piston in the cylinder to reciprocate. In this embodiment, the left and right injection The plunger rod of the pulp cylinder is connected with the piston rod through a coupling. Since the piston rod of the hydraulic cylinder 2 is rigidly connected with the plunger rod in the grouting cylinder, the piston of the hydraulic cylinder 2 drives the plunger to reciprocate with equal amplitude, and the action of suction and discharge of grout is completed in the grouting cylinder.

In this embodiment, the grouting pump is a double-fluid grouting pump, which can be used for water injection, water glass, cement slurry and the like.

Before using the grouting pump, connect the two supplied grout suction pipes to the grout suction joint, and tighten them with clamps to ensure no leakage. At any time, the vertical height from the slurry inlet to the slurry surface should be less than 1 meter, and the length of the slurry suction pipe should not exceed 5 meters. Insert the slurry suction tap into the slurry suction pipe, and fasten it with clamps and other objects. When working, the slurry suction tap should be completely immersed in the slurry. At the same time, the suction and discharge pipes should be arranged reasonably to avoid discounts, twists, etc. that affect the suction.

The specific embodiment of the grouting cylinder of the present invention, the structure of the grouting cylinder in this embodiment is the same as that of the left grouting cylinder in the specific embodiment of the above-mentioned grouting pump, and will not be repeated.

In other embodiments, only one grouting cylinder may be provided, and the grouting pump is a single-plunger grouting cylinder structure. At this time, the grouting pump uses a single-plunger grouting cylinder for liquid injection; the opening direction of the above-mentioned observation port can be toward One side of the grouting pump; the pressure sleeve of the above-mentioned seal can be arranged in the grouting cylinder body.

Claims (10)

1. grouting pump, including driving cylinder and the grouting cylinder that is connected with driving cylinder and is driven by driving cylinder, it is characterised in that：The note It is that plunger starches cylinder to starch cylinder, and the plunger slurry cylinder includes slip casting cylinder body and is slidingly sealed the plunger being assemblied in grouting cylinder body, plunger One end of slurry cylinder is provided with pulp absorbing hole and thick liquid discharge mouth, and slip casting cylinder body is arranged distant from suction, one end of thick liquid discharge mouth is provided with observation panel and for post Fill in the plunger insert port of insertion.

2. grouting pump according to claim 1, it is characterised in that：The slip casting cylinder body includes body and removable is fixed on this Adapter sleeve on body, the adapter sleeve are fixedly connected with the cylinder body of driving cylinder, and observation panel is arranged on adapter sleeve.

3. grouting pump according to claim 1, it is characterised in that：It is provided with the plunger insert port and is slidingly sealed with plunger Seal, side is provided with step surface in grouting cylinder body, is additionally provided with plunger insert port and coordinates with seal top pressure with by seal The seal gland being fitted on step surface, the seal gland have the gland for passing through and being slidably matched with plunger for plunger Hole.

4. grouting pump according to claim 3, it is characterised in that：The slip casting cylinder body includes body and removable is fixed on this Adapter sleeve on body, the adapter sleeve are fixedly connected with the cylinder body of driving cylinder, and the observation panel is arranged on adapter sleeve, described close Sealing gland, which is stretched into the adapter sleeve and is oriented to the adapter sleeve along adapter sleeve bearing of trend, to be coordinated.

5. the grouting pump according to claim 3 or 4, it is characterised in that：The seal gland is provided with external screw thread and led to Cross external screw thread to be connected on cylinder body, the adapter sleeve is fixedly connected by flange with slip casting cylinder body.

6. according to the grouting pump described in claim any one of 1-4, it is characterised in that：The grouting pump is Double-liquid mud-injection pump, institute Grouting cylinder is stated provided with two, driving cylinder is double-piston rod-type hydraulic cylinder.

7. grouting cylinder, it is characterised in that：Grouting cylinder is that plunger starches cylinder, and the plunger slurry cylinder includes slip casting cylinder body and is slidingly sealed dress The plunger in grouting cylinder body is fitted over, one end of plunger slurry cylinder is provided with pulp absorbing hole and thick liquid discharge mouth, and slip casting cylinder body is arranged distant from suction, plasma discharge One end of mouth is provided with observation panel and the plunger insert port for plunger insertion.

8. grouting cylinder according to claim 7, it is characterised in that：The slip casting cylinder body includes body and removable is fixed on this It is used for the adapter sleeve being fixedly connected with the cylinder body of driving cylinder on body, the observation panel is arranged on adapter sleeve.

9. grouting cylinder according to claim 7, it is characterised in that：It is provided with the plunger insert port and is slidingly sealed with plunger Seal, side is provided with step surface in grouting cylinder body, is additionally provided with plunger insert port and coordinates with seal top pressure with by seal The seal gland being fitted on step surface, the seal gland have the gland for passing through and being slidably matched with plunger for plunger Hole.

10. grouting cylinder according to claim 9, it is characterised in that：The slip casting cylinder body includes body and removable is fixed on Adapter sleeve on body, the adapter sleeve are fixedly connected with the cylinder body of driving cylinder, and the observation panel is arranged on adapter sleeve, described Seal gland, which is stretched into the adapter sleeve and is oriented to the adapter sleeve along adapter sleeve bearing of trend, to be coordinated.