CN107269005B

CN107269005B - Telescopic supporting leg hydraulic cylinder support of cantilever type pump truck

Info

Publication number: CN107269005B
Application number: CN201710443526.0A
Authority: CN
Inventors: 张瑛; 张晨
Original assignee: Qingdao Jite Heavy Industry Machinery Co ltd
Current assignee: Qingdao Jite Heavy Industry Machinery Co ltd
Priority date: 2017-06-13
Filing date: 2017-06-13
Publication date: 2022-06-21
Anticipated expiration: 2037-06-13
Also published as: CN107269005A

Abstract

The invention belongs to the technical field of pump truck accessories, and relates to a cantilever type pump truck telescopic leg hydraulic cylinder support and a preparation method thereof, wherein a support main body structure comprises a top plate, a bottom plate, side plates, side openings, a support body, a positioning spigot, a core shaft hole and a core shaft tube, a rectangular frame structure formed by enclosing the top plate, the bottom plate and the two side plates can bear the gravity of hydraulic oil in a hydraulic cylinder and the hydraulic cylinder, the side openings are matched with the positioning spigot to clamp the support body on the side plates, the core shaft tube penetrates through the core shaft hole, a piston rod of the hydraulic cylinder penetrates through the core shaft tube, when the support is manufactured, the support body and the core shaft tube which are in a circular truncated cone shape structure are firstly manufactured, the side openings are cut on the side plates, the positioning spigot and the core shaft hole are machined, then the support body is clamped on the side plates, the core shaft tube penetrates between the two core shaft holes, and finally the top plate, the bottom plate and the two side plates are welded into a rectangular frame, the processing efficiency is high, the processing cost is low, and the processing and manufacturing cost is further reduced.

Description

Boom type pump truck telescopic supporting leg hydraulic cylinder support

The technical field is as follows:

the invention belongs to the technical field of pump truck accessories, and particularly relates to a hydraulic cylinder support for a telescopic supporting leg of a cantilever type pump truck.

Background art:

the hydraulic cylinder is also called as an oil cylinder, is a hydraulic actuating element which converts hydraulic energy into mechanical energy and does linear reciprocating motion (or swinging motion), can be used for realizing reciprocating motion without a speed reducer, has no transmission clearance and stable motion, is widely applied to hydraulic systems of various machines, has output force of the hydraulic cylinder in direct proportion to the effective area of a piston and the pressure difference between the two sides of the effective area of the piston, basically consists of a cylinder barrel and a cylinder cover, the piston and a piston rod, a sealing device, a buffer device and an exhaust device, and is determined according to specific application occasions, and other devices are necessary; the hydraulic cylinder of the telescopic support leg of the pump truck is an important component of the pump truck, and the hydraulic cylinder of the telescopic support leg of the pump truck is heavy and suspended and needs to be provided with a special support; the connecting device of the oil cylinder seat disclosed in the Chinese patent 200920160490.6 comprises a cross beam, wherein two ends of the top surface of the cross beam are welded and connected with a pair of upper connecting plates, a pair of pull rod supports which are matched and arranged between the upper connecting plates are welded and connected with the top surface of the cross beam, two ends of the bottom surface of the cross beam are welded and connected with a pair of lower connecting plates, and the middle of the front surface of the cross beam is welded and connected with a pair of oil cylinder supports; chinese patent 201120430400.8 discloses an oil cylinder seat assembly, an oil cylinder seat body and an oil cylinder seat cover, wherein the oil cylinder seat assembly includes a seat body and a cover body which are detachably connected, the seat body includes a seat body and a boss, the boss is connected with the outer side surface of the seat body to form a first convex connecting body, the connecting body is provided with a first semicircular hole, the cover body includes a cover body and a cover brim, the cover brim is connected with the cover body to form a second connecting body with a clamping groove, the second connecting body is further provided with a second circular hole corresponding to the first semicircular hole, and the first connecting body is fit and attached to the clamping groove formed by the second connecting body; the buffering type oil cylinder seat disclosed in chinese patent 201220488239.4 comprises a support seat body and a connection seat body connected to one side of the support seat body, wherein the support seat body uses one side surface facing the connection seat body as a front surface, the other side surface is a back surface, a through rod is commonly penetrated through the support seat body and the connection seat body, buffering pads are respectively sleeved on the through rod corresponding to the back surface of the support seat body and between the front surface of the support seat body and the connection seat body, two ends of the through rod are respectively provided with a limiting component corresponding to the two buffering pads, and a shaft member for the oil cylinder to be coupled along the extending direction of the through rod is arranged on the connection seat body; the chinese patent 201420675847.5 discloses an oil cylinder base, which comprises a fixed member for being fixedly connected to a base, and a movable member for being connected with an oil cylinder, wherein the movable member is fixedly mounted on the fixed member in an adjustable manner to adjust a relative position of the oil cylinder with respect to the fixed member; the tooling for processing the hydraulic cylinder support disclosed in the Chinese patent 201520693226.4 comprises a double-lug processing fixing plate, a bottom surface processing fixing plate, a compression bolt, a pressing plate, a fixing bolt, a positioning pin, a positioning bolt, a side surface supporting plate and a tooling base, wherein the compression bolt is vertically installed at the center of the tooling base, the pressing plate is installed on the compression bolt and can move up and down along the compression bolt, the two double-lug processing fixing plates are symmetrically installed on the tooling base, the two groups of bottom surface processing fixing plates are symmetrically installed on the tooling base and on the other two sides of the compression bolt, and two ends of each group of bottom surface processing fixing plates are respectively connected with the two double-lug processing fixing plates; above patent product all is not applicable to the pneumatic cylinder of the flexible landing leg of support arm frame formula pump truck, and the preparation technology of the flexible landing leg pneumatic cylinder support of arm frame formula pump truck among the prior art welds the hydro-cylinder seat on two blocks of curb plates, then welds bottom plate and roof in proper order, processes the hole of hydro-cylinder seat on the boring machine after the welding, and in order to guarantee that both sides hole is concentric, need process out from one end with special cutter, and it has the low and high problem of processing cost of manufacture of production efficiency. Therefore, the telescopic support leg hydraulic cylinder support of the cantilever type pump truck is developed, is simple and convenient to manufacture and install, improves the production efficiency, reduces the manufacturing cost, and has social value and economic benefit.

The invention content is as follows:

the invention aims to overcome the defects in the prior art, and designs the hydraulic cylinder support of the telescopic support leg of the cantilever type pump truck, which is simple and convenient to manufacture and install, so that the aim of increasing the production efficiency and reducing the manufacturing cost is fulfilled.

In order to achieve the purpose, the main structure of the invention comprises a top plate, a bottom plate, side plates, side openings, a support body, a positioning spigot, a mandrel hole and a mandrel pipe; the roof of rectangle platelike structure, bottom plate and two blocks of curb plates enclose to close and constitute rectangular frame, roof and bottom plate are in the horizontal direction, the curb plate is in vertical direction, the roof is the same with the length of bottom plate, the curb plate 30-50 cm is stretched out respectively to the both ends of roof and bottom plate, the side opening of circular structure is seted up on the upper portion of curb plate, the support body of round platform shape structure has been seted up in the side opening, the location tang that the upper surface circumference edge of support body set up makes the support body form step-like structure, the side opening passes through location tang joint formula with the support body and is connected, the dabber hole of circular structure is seted up at the middle part of support body, the diameter of support body is greater than the diameter in dabber hole, wear to be equipped with the dabber pipe of interior empty formula circular structure in the dabber hole, two support bodies pass through the dabber pipe and connect, the outward flange of dabber pipe and the lateral surface edge parallel and level of curb plate.

The rectangular frame structure formed by enclosing the top plate, the bottom plate and the two side plates can bear the gravity of the hydraulic cylinder and the hydraulic oil in the hydraulic cylinder; the side opening is matched with the positioning spigot to clamp the support body on the side plate; the mandrel hole is used for penetrating the mandrel pipe; the mandrel pipe is used for penetrating a piston rod of the hydraulic cylinder.

The invention relates to a method for manufacturing a hydraulic cylinder support of a telescopic support leg of a cantilever type pump truck, which comprises the following steps: the method comprises the steps of firstly manufacturing a top plate, a bottom plate, side plates, a support body and a core shaft tube of a truncated cone-shaped structure by adopting a conventional process, cutting a side opening at a set position on the side plate, processing a positioning spigot and a core shaft hole of the support body on a lathe, then clamping the support body in the side opening on the side plate, penetrating the core shaft tube between two core shaft holes, and finally welding the top plate, the bottom plate and the two side plates into a rectangular frame to complete the manufacture of the cantilever type pump truck telescopic leg hydraulic cylinder support.

Compared with the prior art, the invention has the advantages that the rectangular frame structure formed by enclosing the top plate, the bottom plate and the two side plates can bear the gravity of the hydraulic cylinder and the hydraulic oil in the hydraulic cylinder, the side opening is matched with the positioning spigot to clamp the support body on the side plates, the core shaft tube is penetrated in the core shaft tube, the piston rod of the hydraulic cylinder is penetrated in the core shaft tube, when in manufacturing, the support body and the core shaft tube with the top plate, the bottom plate, the side plates and the circular truncated cone-shaped structure are firstly manufactured, the side opening is cut on the side plates, the positioning spigot and the core shaft hole of the support body are processed on a lathe, then the support body is clamped on the side plates, the core shaft tube is penetrated between the two core shaft holes, and finally the top plate, the bottom plate and the two side plates are welded into the rectangular frame, and the lathe and the drilling machine used in the manufacturing process have high processing efficiency, low processing cost and do not need special tools compared with the boring machine used in the prior art, further reducing the processing and manufacturing cost.

Description of the drawings:

fig. 1 is a schematic diagram of the principle of the main structure of the present invention.

Fig. 2 is an enlarged view of a part of the structure of the present invention.

The specific implementation mode is as follows:

the invention is further described by way of example with reference to the accompanying drawings.

Example 1:

the main body structure of the boom pump truck telescopic leg hydraulic cylinder support related to the embodiment comprises a top plate 1, a bottom plate 2, side plates 3, side openings 4, a support body 5, a positioning spigot 6, a mandrel hole 7 and a mandrel pipe 8; the top plate 1, the bottom plate 2 and the two side plates 3 of the rectangular plate-shaped structure are enclosed to form a rectangular frame, the top plate 1 and the bottom plate 2 are in the horizontal direction, the side plates 3 are in the vertical direction, the length of the top plate 1 is the same as that of the bottom plate 2, the two ends of the top plate 1 and the bottom plate 2 respectively extend out of the side plates 330 cm to 50 cm, the upper parts of the side plates 3 are provided with side openings 4 of a circular structure, support bodies 5 of a circular truncated cone structure are clamped in the side openings 4, the positioning stop ports 6 arranged at the circumferential edge of the upper surface of the support bodies 5 enable the support bodies 5 to form a step-shaped structure, the side openings 4 and the support bodies 5 are connected in a clamping mode through the positioning stop ports 6, the middle parts of the support bodies 5 are provided with core shaft holes 7 of the circular structure, the diameter of the support bodies 5 is larger than that of the core shaft holes 7, core shaft tubes 8 of an internal hollow circular structure penetrate through the core shaft tubes 7, and the two support bodies 5 are connected through the core shaft tubes 8, the outer edge of the mandrel pipe 8 is flush with the outer side surface edge of the side plate 3.

The rectangular frame structure formed by enclosing the top plate 1, the bottom plate 2 and the two side plates 3 related to the embodiment can bear the gravity of the hydraulic cylinder and the hydraulic oil in the hydraulic cylinder; the side opening 4 is matched with the positioning spigot 6 to clamp the support body 5 on the side plate 3; the mandrel hole 7 is used for penetrating the mandrel pipe 8; the mandrel pipe 8 is used for penetrating a piston rod of the hydraulic cylinder.

The technical process of the manufacturing method of the hydraulic cylinder support of the telescopic support leg of the cantilever type pump truck related by the embodiment is as follows: at first adopt conventional technology preparation roof 1, the bottom plate 2, the curb plate 3, the pedestal body 5 and the mandrel pipe 8 of round platform shape structure, set position department on the curb plate 3 again cuts out side opening 4, process out the location tang 6 and the mandrel hole 7 of pedestal body 5 on the lathe, then in the side opening 4 of pedestal body 5 joint on the curb plate 3, wear to establish between two mandrel hole 7 mandrel pipe 8, at last with roof 1, bottom plate 2 and two blocks of curb plates 3 weld into rectangular frame, accomplish the preparation of cantilever type pump truck telescopic leg pneumatic cylinder support.

Claims

1. A boom type pump truck telescopic leg hydraulic cylinder support is characterized in that a main body structure comprises a top plate, a bottom plate, side plates, side openings, a support body, a positioning spigot, a mandrel hole and a mandrel pipe; the rectangular frame is formed by enclosing a top plate, a bottom plate and two side plates of a rectangular plate-shaped structure, the top plate and the bottom plate are in the horizontal direction, the side plates are in the vertical direction, the top plate and the bottom plate are the same in length, two ends of the top plate and the bottom plate respectively extend out of the side plates by 30-50 cm, side openings of a circular structure are formed in the upper portions of the side plates, a support body of a circular truncated cone-shaped structure is clamped in the side openings, positioning spigots are formed in the circumferential edge of the upper surface of the support body to enable the support body to form a step-shaped structure, the side openings are connected with the support body in a clamping mode through the positioning spigots, a mandrel hole of the circular structure is formed in the middle of the support body, the diameter of the support body is larger than that of the mandrel hole, a mandrel tube of an internally hollow circular structure is arranged in the mandrel hole in a penetrating mode, the two support bodies are connected through the mandrel tube, and the outer edge of the mandrel tube is flush with the outer side surface edge of the side plates; the manufacturing method comprises the following process steps: the method comprises the steps of firstly manufacturing a top plate, a bottom plate, side plates, a support body and a core shaft tube of a truncated cone-shaped structure by adopting a conventional process, cutting a side opening at a set position on the side plate, processing a positioning spigot and a core shaft hole of the support body on a lathe, then clamping the support body in the side opening on the side plate, penetrating the core shaft tube between two core shaft holes, and finally welding the top plate, the bottom plate and the two side plates into a rectangular frame to complete the manufacture of the cantilever type pump truck telescopic leg hydraulic cylinder support.

2. The boom type pump truck telescopic leg hydraulic cylinder support as claimed in claim 1, wherein the rectangular frame structure formed by enclosing the top plate, the bottom plate and the two side plates can bear the weight of the hydraulic cylinder and the hydraulic oil therein; the side opening is matched with the positioning spigot to clamp the support body on the side plate; the mandrel hole is used for penetrating the mandrel pipe; the mandrel pipe is used for penetrating a piston rod of the hydraulic cylinder.