CN217734876U - Cylinder body joint for concrete pump - Google Patents

Abstract

The utility model relates to a concrete pump technical field discloses a cylinder body connects for concrete pump, including casing, steel pipe and fixed plate, shell opening makes progress, the casing includes the bottom plate, and sets up curb plate and end plate on the bottom plate, be equipped with a plurality of pull rod holes on the end plate, the steel pipe with the coaxial setting of pull rod hole, just the both ends of steel pipe are fixed on the end plate, be equipped with on the curb plate the fixed plate. The steel pipe coaxial with the pull rod hole is arranged, and the two ends of the steel pipe are fixed with the end plate, so that the pull rod penetrates through the steel pipe, and the problem of water leakage caused by a gap between the pull rod and a cylinder body joint is solved; through set up the fixed plate on the curb plate, realize that hoist and mount, fixed to the cylinder body joint through the fixed plate, avoid seting up the screw hole on the cylinder body connects, stopped the possibility from the screw hole infiltration, improved the leakproofness, guarantee the cooling effect to the concrete pump, solved the problem of concrete pump percolating water.

Description

Cylinder body joint for concrete pump

Technical Field

The utility model relates to a concrete pump technical field, concretely relates to cylinder body connects for concrete pump.

Background

The concrete pump is a concrete mechanical equipment which utilizes hydraulic pressure to continuously convey concrete through a pipeline, and the basic principle is that a prime motor drives a pressure oil generated by an oil pump to drive an oil cylinder, an oil cylinder piston rod drives a concrete cylinder piston to push the concrete into the conveying pipeline, and the concrete is continuously sucked into a concrete cylinder from a concrete hopper and conveyed to a pouring place through the conveying pipeline through ordered actions between a concrete distribution valve and a main oil cylinder.

With the continuous development of society, concrete pumps are developing towards the trend of high pressure and large volume, in order to enhance the stability of the concrete distribution valve box 10, the concrete cylinder 30 and the cylinder body joint 40 during operation, the six pull rods 20 are connected among the six pull rods, two ends of each pull rod 20 are provided with threads, one end of each pull rod is screwed on the concrete distribution valve box 10, the other end of each pull rod penetrates through the cylinder body joint 40 to be respectively connected with the concrete cylinder 30 and an end plate of the main oil cylinder 60, and one side of the cylinder body joint 40, which is connected with the main oil cylinder 60, is fastened by nuts, as shown in fig. 6. Because the concrete cylinder piston and the concrete cylinder 30 are always in a friction state and the master cylinder 60 is in a high-pressure working state for a long time when the concrete pump works, in order to ensure that the concrete pump works stably, water is added into the cylinder body joint 40 to cool the master cylinder 60 and the concrete cylinder piston, and the liquid level of the water is kept to exceed the piston rod of the master cylinder. Because pull rod 20 passes cylinder body and connects 40, has the phenomenon of percolating water, and cylinder body connects 40 sides and can processes tens of screw holes, realizes through bolt and screw hole cooperation that cylinder body connects 40 and is connected with fixing base 50, and cylinder body connects 40 and hoists in the frame through fixing base 50. The effect of sealing water is generally achieved by smearing lead oil when the bolts are installed, but water leakage can also occur in dozens of threaded holes along with continuous vibration of a concrete pump during working. If the water leakage is not timely found to cause the water level to drop to a position which is not enough to meet the cooling requirement, then dry friction occurs between the concrete cylinder piston and the concrete cylinder, the concrete cylinder piston is quickly abraded, the system oil temperature is quickly increased, the service life of a sealing part and a hydraulic part is further influenced, the fixed seat and the cylinder body joint are required to be processed after welding, the production period is long, the processing cost is high, and the requirements for the sealing performance of the cylinder body joint, the shortening of the production period and the reduction of the processing cost are higher.

SUMMERY OF THE UTILITY MODEL

The utility model discloses to current technical problem, provide a cylinder body connects for concrete pump.

The utility model provides an above-mentioned technical problem's technical scheme as follows: the utility model provides a cylinder body connects for concrete pump, includes casing, steel pipe and fixed plate, the casing opening is upwards, the casing includes the bottom plate, and sets up curb plate and end plate on the bottom plate, be equipped with a plurality of draw rod holes on the end plate, the steel pipe with the coaxial setting of draw rod hole, just the both ends of steel pipe are fixed on the end plate, be equipped with on the curb plate the fixed plate.

On the basis of the technical scheme, the utility model discloses a reach the convenience of use and the stability of equipment, can also make following improvement to foretell technical scheme:

furthermore, the two ends of the steel pipe are welded on the inner wall of the end plate, and a sealing ring is arranged on the inner side wall of the pull rod hole.

Furthermore, two ends of the steel pipe penetrate through the pull rod holes, and the steel pipe is welded with the outer side wall of the end plate.

Furthermore, a chamfer is arranged on the pull rod hole and located on the outer side wall of the end plate, and the steel pipe and the end plate are welded at the fillet position of the chamfer.

Furthermore, the pull rod hole comprises an upper pull rod hole and a lower pull rod hole, the upper pull rod hole is arranged above the bottom plate, the lower pull rod hole is arranged below the bottom plate, and two ends of the steel pipe are inserted into the upper pull rod hole.

Furthermore, a rib plate is arranged below the fixing plate.

Furthermore, a fixing plate is welded on the side plate, and a mounting hole is formed in the fixing plate.

The utility model has the advantages that: the steel pipe coaxial with the pull rod hole is arranged, and the two ends of the steel pipe are fixed with the end plate, so that the pull rod penetrates through the steel pipe, and the problem of water leakage caused by a gap between the pull rod and a cylinder body joint is solved; through setting up the fixed plate on the curb plate, realize that hoist, fix cylinder body joint through the fixed plate, avoid offering the screw hole on cylinder body connects, stopped the possibility from the screw hole infiltration, improved the leakproofness that the cylinder body connects, guarantee the cooling effect to the concrete pump to can reduce construction bolt, reduced assembly step and production cycle, practice thrift the working cost, improve machining efficiency.

Drawings

Fig. 1 is a schematic structural diagram of embodiment 1 of the present invention;

FIG. 2 isbase:Sub>A cross-sectional view taken at A-A of FIG. 1;

fig. 3 is a plan view of embodiment 1 of the present invention;

fig. 4 is a schematic structural diagram of embodiment 2 of the present invention;

fig. 5 is a schematic structural view of embodiment 3 of the present invention;

fig. 6 is a schematic view of a concrete pump in the prior art.

The reference numbers are recorded as follows: 1. an end plate; 2. a base plate; 3. a side plate; 4. a seal ring; 5. a rib plate; 6. a fixing plate; 7. a steel pipe; 8. a draw bar hole; 8.1, an upper pull rod hole; 8.2, a lower pull rod hole;

10. a concrete distribution valve box; 20. a pull rod; 30. a concrete cylinder; 40. a cylinder block joint; 50. a fixed seat; 60. and a master cylinder.

Detailed Description

The principles and features of the present invention will be described with reference to the drawings, which are provided for illustration only and are not intended to limit the scope of the invention.

Example 1

As shown in fig. 1 to 3, the utility model discloses a cylinder body connects for concrete pump, it includes casing, steel pipe 7 and fixed plate 6, open of the housing makes progress, the casing includes bottom plate 2 and sets up curb plate 3 and end plate 1 on the bottom plate 2, curb plate 3 is equipped with two, and two curb plates 3 set up in the 2 left and right sides of bottom plate, end plate 1 also is equipped with two, and two end plates 1 set up both ends around bottom plate 2, be equipped with a plurality of draw rod holes 8 on the end plate 1, steel pipe 7 with the coaxial setting of draw rod hole 8, just the both ends of steel pipe 7 are fixed on the end plate 1, be equipped with on the curb plate 3 fixed plate 6.

In this embodiment, the both ends welding of steel pipe 7 is in on the inner wall of end plate 1, avoid the cooling water from the department of meeting infiltration of steel pipe 7 and end plate 1, guarantee the leakproofness, be equipped with sealing washer 4 on the inside wall of draw bar hole 8, further improve the sealed effect that the cylinder body connects, avoid the percolating water.

Alternatively, the steel tube 7 may be bonded to the end plate 1.

The inner diameter of the steel pipe 7 is larger than or equal to that of the pull rod hole 8, the accuracy requirement of coaxiality between the steel pipe 7 and the pull rod hole 8 is lowered, the processing difficulty is lowered, the pull rod can smoothly penetrate through the steel pipe 7, and the installation convenience is improved.

Six pull rod holes 8 are arranged, wherein the number of the pull rod holes is three at the upper end, the number of the pull rod holes is three at the lower end, and the six pull rods respectively penetrate through the six pull rod holes 8, so that the end plate 1 is uniformly stressed, and the connection of all the parts is ensured to be firm.

In this embodiment, the fixing plate 6 is welded to the outer side wall of the side plate 3, and the fixing plate 6 is provided with a mounting hole.

Alternatively, the side plates 3 and the fixing plate 6 may be of an integral structure.

The end plate 1 is further provided with a mounting hole for mounting a main oil cylinder, and the mounting requirements of the main oil cylinder are met.

And a rib plate 5 is arranged below the fixed plate 6, so that the integral structural strength of the cylinder body joint is improved, and the service life is prolonged.

The specific processing process is as follows:

firstly, welding an end plate 1, a bottom plate 2, a side plate 3, a rib plate 5 and a fixing plate 6 together through a tool, respectively processing pull rod holes 8 on the two end plates 1, and then processing accommodating grooves on the side walls of the pull rod holes 8; after the processing is finished, the steel pipe 7 is welded on the end plate 1 through the tool, the sealing ring 4 is installed in the containing groove at last, the sealing ring 4 plays a role in preventing water leakage of the cylinder body joint, the cooling effect on the main oil cylinder is guaranteed, and the service life is prolonged.

Example 2

As shown in fig. 4, the method of installing the steel pipe 7 is different from that of example 1.

The utility model provides a cylinder body connects for concrete pump, its includes casing, steel pipe 7 and fixed plate 6, the casing opening is upwards, the casing includes bottom plate 2 and sets up curb plate 3 and end plate 1 on the bottom plate 2, be equipped with a plurality of pull rod holes 8 on the end plate 1, steel pipe 7 with the coaxial setting in pull rod hole 8, the both ends of steel pipe 7 are passed pull rod hole 8, steel pipe 7 with the lateral wall welding of end plate 1 is in the same place.

And a chamfer is arranged on the pull rod hole 8 and is positioned on the outer side wall of the end plate 1, and the steel pipe 7 and the end plate 1 are subjected to fillet welding at the chamfer. The fillet welding can increase the welding firmness of the steel pipe 7 and avoid the problem of cracking due to vibration. And after the filling seam welding is finished, the welding seam is ground flat, and the integral smoothness of the cylinder body joint is ensured. Through welding steel pipe 7 with the lateral wall of end plate 1 together, avoided steel pipe 7 to weld in the casing and have the problem that welding space is little and welding field of vision blind area, and then avoid from 8 leaks in draw rod hole, guarantee that the water of capacity fully cools off the master cylinder, stop concrete cylinder piston and concrete cylinder to take place dry friction, improve life.

Example 3

As shown in fig. 5, the mounting method of the steel pipe 7 is different from that of example 1.

The utility model provides a cylinder body connects for concrete pump, its includes casing, steel pipe 7 and fixed plate 6, the casing opening is upwards, the casing includes bottom plate 2 and sets up curb plate 3 and end plate 1 on the bottom plate 2, be equipped with a plurality of pull rod holes 8 on the end plate 1, pull rod hole 8 includes pull rod hole 8.1 and upper pull rod hole 8.2, upper pull rod hole 8.1 sets up the top of bottom plate 2, upper pull rod hole 8.2 sets up the below of bottom plate 2, steel pipe 7 with upper pull rod hole 8.1 is coaxial to be set up, 7 both ends cartridges of steel pipe are in upper pull rod hole 8.1.

In this embodiment, two ends of the steel pipe 7 pass through the upper tie rod hole 8.1, and the steel pipe 7 is welded with the outer side wall of the end plate 1. The possibility of water leakage of the bottom pull rod hole 8 is eliminated, three steel pipes 7 below the bottom pull rod hole are omitted, and the purpose of saving cost is achieved.

Optionally, the two ends of the steel pipe 7 can be welded on the inner side wall of the end plate 1, a certain distance is arranged between the bottom plate 2 and the upper pull rod hole 8.1, sufficient water stored in the shell can be guaranteed to fully cool a concrete pump piston, meanwhile, the problems that the space is small and a welding visual field blind area exists in the internal welding process are avoided, the sealing performance of a cylinder body joint is improved, and the operation difficulty is reduced.

The above description is only for the preferred embodiment of the present invention, and is not intended to limit the present invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included within the protection scope of the present invention.

Claims (7)

1. The utility model provides a cylinder body connects for concrete pump, its characterized in that, includes casing, steel pipe (7) and fixed plate (6), the casing opening makes progress, the casing includes bottom plate (2) and sets up curb plate (3) and end plate (1) on bottom plate (2), be equipped with a plurality of pull rod hole (8) on end plate (1), steel pipe (7) with pull rod hole (8) coaxial setting, just the both ends of steel pipe (7) are fixed on end plate (1), be equipped with on curb plate (3) fixed plate (6).

2. The cylinder block joint according to claim 1, wherein the two ends of the steel pipe (7) are welded on the inner wall of the end plate (1), and the inner side wall of the pull rod hole (8) is provided with a sealing ring (4).

3. The cylinder joint according to claim 1, wherein both ends of the steel pipe (7) pass through the tie rod hole (8), and the steel pipe (7) is welded to the outer side wall of the end plate (1).

4. The cylinder block joint according to claim 3, wherein the tie rod hole (8) is provided with a chamfer on the outer side wall of the end plate (1), and the steel pipe (7) and the end plate (1) are welded at the chamfer by means of fillet welding.

5. The cylinder joint according to claim 1, 3 or 4, wherein the tie rod hole (8) comprises an upper tie rod hole (8.1) and a lower tie rod hole (8.2), the upper tie rod hole (8.1) is arranged above the bottom plate (2), the lower tie rod hole (8.2) is arranged below the bottom plate (2), and two ends of the steel pipe (7) are inserted into the upper tie rod hole (8.1).

6. The cylinder block joint according to claim 1, characterized in that a rib plate (5) is arranged below the fixing plate (6).

7. The cylinder block joint according to claim 1, wherein a fixing plate (6) is welded to the side plate (3), and the fixing plate (6) is provided with a mounting hole.

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