CN211230806U - Concrete piston for concrete pump - Google Patents

Concrete piston for concrete pump Download PDF

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Publication number
CN211230806U
CN211230806U CN201921542525.2U CN201921542525U CN211230806U CN 211230806 U CN211230806 U CN 211230806U CN 201921542525 U CN201921542525 U CN 201921542525U CN 211230806 U CN211230806 U CN 211230806U
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China
Prior art keywords
piston
rod
clamping jaw
concrete
cylinder
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CN201921542525.2U
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Chinese (zh)
Inventor
仝祥林
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Shandong Luchen Heavy Industry Machinery Co ltd
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Shandong Luchen Heavy Industry Machinery Co ltd
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Priority to CN201921542525.2U priority Critical patent/CN211230806U/en
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Abstract

The utility model discloses a concrete piston for concrete pump, including the piston main part, fixed surface is connected with the locating pin piston main part one side, piston main part one side fixedly connected with piston rod, the equal fixed mounting in connecting rod top and bottom has the connecting plate, connecting plate one side is connected with first clamping jaw, first clamping jaw one side fixedly connected with head rod, the meshing of head rod rear side has the gear, gear concentric axis fixedly connected with circumference handle, the meshing of gear rear side has the second connecting rod, the terminal fixedly connected with second clamping jaw in second connecting rod one side, second clamping jaw fixed connection is in piston main part one side surface. The utility model discloses in, through setting up rack and gear, through intermeshing between the two, drive two clamping jaws that are connected with the rack and to piston main part and piston rod fixed connection, and this structure is more than traditional bolt threaded connection, and it is convenient to dismantle, and fixed effect is also comparatively firm.

Description

Concrete piston for concrete pump
Technical Field
The utility model relates to a concrete pump equipment technical field especially relates to a concrete piston for concrete pump.
Background
The concrete pump truck is a machine for continuously conveying concrete along pipeline by utilizing pressure, and is formed from pump body and conveying pipe, and is divided into piston type, extrusion type and hydraulic pressure diaphragm type according to the structure form, the pump body is mounted on the chassis of truck, and is equipped with telescopic or folding material-distributing rod so as to form the invented pump truck.
The concrete piston can only be installed in a single body when being installed, the number of parts to be installed is large, the process is complex, the piston rod is generally fixedly connected with the concrete piston through the traditional modes of nuts, bolts and the like, the disassembly is troublesome, the transverse inertia of the concrete piston is large in the reciprocating working stage, a buffer device is not arranged, and the service life of the concrete piston is easy to reduce.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the defects existing in the prior art and providing a concrete piston for a concrete pump.
In order to achieve the above purpose, the utility model adopts the following technical scheme: a concrete piston for a concrete pump comprises a piston body, wherein a positioning pin is fixedly connected to the outer surface of one side of the piston body, a piston rod is fixedly connected to one side of the piston body, connecting plates are fixedly mounted at the top and the bottom of the connecting rods, one side of each connecting plate is connected with a first clamping jaw, one side of each first clamping jaw is fixedly connected with a first connecting rod, a gear is meshed with the rear side of each first connecting rod, a circumferential handle is fixedly connected to the concentric axis of each gear, a second connecting rod is meshed with the rear side of each gear, a second clamping jaw is fixedly connected to the tail end of one side of each second connecting rod, the second clamping jaw is fixedly connected to the outer surface of one side of the piston body, a shell is fixedly mounted on the outer side of the superposition part of each first connecting rod and each second connecting rod, the cylinder is fixedly mounted at the tail end of one side of the piston rod and positioned at the bottom of the mounting assembly, the telescopic rod is arranged inside the cylinder, and the spring is arranged between the tail end of one side of the telescopic rod and the inner wall of one side of the cylinder.
As a further description of the above technical solution:
the number of locating pins is two sets of, and two sets of locating pins are symmetrical about the central axis of piston main part, the through-hole has been seted up with the locating pin corresponding position in the connecting plate.
As a further description of the above technical solution:
the size of the first clamping jaw is equal to that of the second clamping jaw, and the first clamping jaw is located on the front side of the second clamping jaw.
As a further description of the above technical solution:
the first connecting rod and the second connecting rod are symmetrical about the central axis of the gear.
As a further description of the above technical solution:
the circumference side outer surface of the horizontal part of the circumference handle is carved with screw threads, the screw thread corresponding position of the cylindrical handle in the square body is provided with a screw thread hole, and the circumference handle is positioned on the central axis of the square body.
As a further description of the above technical solution:
the quantity of cylinder is two sets of, and two sets of cylinders are located the top and the bottom of installation component respectively, and two sets of cylinders are symmetrical about the central axis of installation component, and cylinder, telescopic link, cylinder and spring constitute buffer.
The utility model discloses following beneficial effect has:
1. the utility model provides a concrete piston for concrete pump compares with traditional device, through setting up rack and gear, through intermeshing between the two, drives two clamping jaws that are connected with the rack and to piston main part and piston rod fixed connection, and this structure is than traditional bolt threaded connection, and it is convenient to dismantle, and fixed effect is also comparatively firm.
2. Compared with the traditional device, the device has great innovation and improvement in structure and design, two buffering devices are installed at the tail end of the piston rod through the arrangement of the buffering structure, and the buffering piston can conveniently buffer the force generated by inertia in the reciprocating motion process, so that the problem of the reduction of the service life of the piston is avoided.
Drawings
FIG. 1 is a front view of a concrete piston for a concrete pump according to the present invention;
FIG. 2 is an enlarged view of the connection structure at A in FIG. 1;
FIG. 3 is an enlarged view of the connection structure at B in FIG. 1;
FIG. 4 is a schematic view of a connection structure of the first clamping jaw, the circumferential grip, the first connecting rod, the square body, the second clamping jaw and the second connecting rod;
fig. 5 is a schematic view of a connection structure of the first clamping jaw, the first connecting rod, the second clamping jaw, the second connecting rod and the gear.
Illustration of the drawings:
1. mounting the component; 2. a piston rod; 3. positioning pins; 4. a first jaw; 5. a circumferential grip; 6. a piston body; 7. a first connecting rod; 8. a square body; 9. a second jaw; 10. a second connecting rod; 11. a housing; 12. a spring; 13. a cylinder; 14. a telescopic rod; 15. a gear; 16. a connecting plate.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and furthermore, unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Referring to fig. 1-5, the present invention provides an embodiment: a concrete piston for a concrete pump comprises a piston body 6, wherein a positioning pin 3 is fixedly connected to the outer surface of one side of the piston body 6, a piston rod 2 is fixedly connected to one side of the piston body 6, connecting plates 16 are fixedly mounted at the top and the bottom of the piston rod 2, a first clamping jaw 4 is connected to one side of the connecting plate 16, a first connecting rod 7 is fixedly connected to one side of the first clamping jaw 4, a gear 15 is meshed with the rear side of the first connecting rod 7, a circumferential handle 5 is fixedly connected to the concentric axis of the gear 15, a second connecting rod 10 is meshed with the rear side of the gear 15, a second clamping jaw 9 is fixedly connected to the tail end of one side of the second connecting rod 10, a shell 11 is fixedly mounted on the outer side of the superposed part of the first connecting rod 7 and the second connecting rod 10, a square body 8 is fixedly mounted at the bottom of the shell, the end of one side of the piston rod 2 is fixedly provided with a cylinder 13 at the bottom of the mounting component 1, an expansion rod 14 is arranged inside the cylinder 13, and a spring 12 is arranged between the end of one side of the expansion rod 14 and the inner wall of one side of the cylinder 13.
The number of the positioning pins 3 is two, the two groups of positioning pins 3 are symmetrical about the central axis of the piston main body 6, through holes are formed in the connecting plate 16 at positions corresponding to the positioning pins 3 so as to position the piston rod 2 conveniently, the size of the first clamping jaw 4 is equal to that of the second clamping jaw 9, the first clamping jaw 4 is positioned on the front side of the second clamping jaw 9 so as to fix the piston rod 2 and the piston main body 6, the first connecting rod 7 and the second connecting rod 10 are symmetrical about the central axis of the gear 15 so as to enable the two connecting rods to move relatively, threads are formed on the peripheral outer surface of the horizontal part of the circumferential grip 5, threaded holes are formed in the square body 8 at positions corresponding to the threads of the circumferential grip 5, the circumferential grip 5 is positioned on the central axis of the square body 8 so that the circumferential grip 5 can rotate in the square body 8 and can be fixed, the quantity of cylinder 13 is two sets of, and two sets of cylinders 13 are located the top and the bottom of installation component 1 respectively, and two sets of cylinders 13 are symmetrical about the central axis of installation component 1, and cylinder 13, telescopic link 14, cylinder 13 and spring 12 constitute buffer, the power of buffering piston main part 6 inertia production.
The working principle is as follows: the utility model provides a concrete piston for concrete pump has great improvement innovation with traditional device, 16 connecting plates with connecting on the piston rod 2 fix a position round pin 3, through with first clamping jaw 4 and second clamping jaw 9 centre gripping respectively at the outer wall of piston main part 6 with piston rod 2, through twisting circumference handle 5, circumference handle 5 drives gear 15 and rotates, it does relative movement to drive head rod 7 and second connecting rod 10, relative movement is done with it to first clamping jaw 4 and second clamping jaw 9, it is fixed with piston main part 6 and piston rod 2, the piston rod 2 that will install is put into the pump body with piston main part 6 as a whole inside, the installation component 1 that will be located 2 tail ends of piston rod installs inside the pump body, whole installation process finishes.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.

Claims (6)

1. The concrete piston for the concrete pump comprises a piston main body (6), and is characterized in that: the outer surface of one side of the piston body (6) is fixedly connected with a positioning pin (3), one side of the piston body (6) is fixedly connected with a piston rod (2), the top and the bottom of the piston rod (2) are fixedly provided with a connecting plate (16), one side of the connecting plate (16) is connected with a first clamping jaw (4), one side of the first clamping jaw (4) is fixedly connected with a first connecting rod (7), the rear side of the first connecting rod (7) is meshed with a gear (15), the concentric axis of the gear (15) is fixedly connected with a circumferential handle (5), the rear side of the gear (15) is meshed with a second connecting rod (10), the tail end of one side of the second connecting rod (10) is fixedly connected with a second clamping jaw (9), the second clamping jaw (9) is fixedly connected with the outer surface of one side of the piston body (6), and the outer side of the coincident part of the first connecting rod (, shell (11) bottom fixed mounting has square body (8) piston rod (2) are kept away from terminal fixedly connected with installation component (1) in piston main part (6) one side, piston rod (2) one side end just is located installation component (1) bottom fixed mounting and has cylinder (13), cylinder (13) inside is provided with telescopic link (14), be provided with spring (12) between telescopic link (14) one side end and cylinder (13) one side inner wall.
2. The concrete piston of claim 1, wherein: the number of the positioning pins (3) is two, the two groups of positioning pins (3) are symmetrical about the central axis of the piston main body (6), and through holes are formed in the connecting plate (16) at positions corresponding to the positioning pins (3).
3. The concrete piston of claim 1, wherein: the size of the first clamping jaw (4) is equal to that of the second clamping jaw (9), and the first clamping jaw (4) is located on the front side of the second clamping jaw (9).
4. The concrete piston of claim 1, wherein: the first connecting rod (7) and the second connecting rod (10) are symmetrical about the central axis of the gear (15).
5. The concrete piston of claim 1, wherein: the circumference of the horizontal part of the circumference handle (5) is provided with threads, the inner part of the square body (8) is provided with a threaded hole corresponding to the threads of the circumference handle (5), and the circumference handle (5) is positioned on the central axis of the square body (8).
6. The concrete piston of claim 1, wherein: the quantity of cylinder (13) is two sets of, and two sets of cylinder (13) are located the top and the bottom of installation component (1) respectively, and two sets of cylinder (13) are symmetrical about the central axis of installation component (1), and cylinder (13), telescopic link (14), cylinder (13) and spring (12) constitute buffer.
CN201921542525.2U 2019-09-17 2019-09-17 Concrete piston for concrete pump Active CN211230806U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201921542525.2U CN211230806U (en) 2019-09-17 2019-09-17 Concrete piston for concrete pump

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201921542525.2U CN211230806U (en) 2019-09-17 2019-09-17 Concrete piston for concrete pump

Publications (1)

Publication Number Publication Date
CN211230806U true CN211230806U (en) 2020-08-11

Family

ID=71915097

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201921542525.2U Active CN211230806U (en) 2019-09-17 2019-09-17 Concrete piston for concrete pump

Country Status (1)

Country Link
CN (1) CN211230806U (en)

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