CN214498424U - Pumping oil cylinder fixing device and concrete pumping equipment comprising same - Google Patents
Pumping oil cylinder fixing device and concrete pumping equipment comprising same Download PDFInfo
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- CN214498424U CN214498424U CN202120318238.4U CN202120318238U CN214498424U CN 214498424 U CN214498424 U CN 214498424U CN 202120318238 U CN202120318238 U CN 202120318238U CN 214498424 U CN214498424 U CN 214498424U
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Abstract
The utility model discloses a pumping oil cylinder fixing device and concrete pumping equipment comprising the same, which comprises a bent plate, wherein a backing plate is arranged inside the bent plate; a base plate fixed to the frame; the top of the bracket is provided with a cushion pad, and the top of the cushion pad is also provided with a cushion plate; bolts penetrating through the bent plate, the cushion pad and the bracket; the stud is fixedly connected to the bottom of the bracket, and a threaded hole matched with the stud is formed in the stud; the bracket is fixedly connected with the bottom plate; the backing plate is provided with an arc groove attached to the pumping oil cylinder. The utility model discloses set up pumping cylinder fixing device at pumping cylinder front end, the backing plate that the cylinder fixing device is equipped with and the circular arc recess that the backing plate was seted up cooperate with pumping cylinder, form pumping cylinder interlocking, offset the influence of vibrating from top to bottom in the hydro-cylinder working process through the interlocking effect; meanwhile, the adjusting allowance is set through the cushion pad, so that the situation that parts are damaged due to aggravation of impact vibration in work caused by over-restraint of the pumping oil cylinder is avoided.
Description
[ technical field ] A method for producing a semiconductor device
The utility model relates to an engineering machine tool field, in particular to pumping cylinder fixing device reaches concrete pumping equipment including it.
[ background of the invention ]
The concrete pump truck is an engineering machine which utilizes pressure to convey pre-stirred concrete to a certain height and distance along a distribution pipeline, and is widely applied to modern building engineering.
The central pumping system is used as a core device of the concrete pump truck and is an actuating mechanism for providing power for pumping concrete. The central pumping system consists of a hopper device for containing concrete, a water tank with a lubricating and cooling function, a pumping main oil cylinder for providing pumping pressure and the like.
The pumping cylinder is one of the core components of the central pumping system. When the concrete pump truck pumps concrete, the pistons in the two conveying cylinders are respectively pushed to reciprocate through the two oil cylinders, the pistons extend out under the driving of one oil cylinder to push the concrete out of the conveying pipe of the hopper, meanwhile, the other oil cylinder retracts to drive the pistons to retract, the concrete in the hopper is sucked, and the concrete is pumped by switching the connection between the conveying cylinders and the conveying pipe or the hopper in a circulating reciprocating mode.
The reliability of the pumping cylinder directly affects the reliability of the whole central pumping system. The single cantilever type fixed knot of current pumping hydro-cylinder fixed mode basin constructs, and the cantilever distance is longer, and the tip does not have any auxiliary stay, and pumping hydro-cylinder bears periodic axial reciprocating impact in the course of the work, has risks such as master cylinder looseness, sealed inefficacy.
Therefore, the pumping oil cylinder fixing device and the concrete pumping equipment comprising the same are provided.
[ Utility model ] content
An object of the utility model is to overcome not enough among the prior art, provide a pumping cylinder fixing device and including its concrete pumping equipment, on the basis of current pumping cylinder fixed knot constructs the form, set up pumping cylinder fixing device in the pumping cylinder front end, circular arc recess and the pumping cylinder cooperation that the backing plate that the hydro-cylinder fixing device was equipped with and backing plate were seted up, form the pumping cylinder interlocking, offset the influence of vibrating from top to bottom in the hydro-cylinder working process through the interlocking effect.
In order to achieve the above objects/solve the above technical problems, the present invention adopts the following technical solutions: a fixing device for a pumping oil cylinder comprises a bent plate, wherein a base plate is arranged inside the bent plate; a base plate fixed to the frame; the top of the bracket is provided with a cushion pad, and the top of the cushion pad is also provided with a cushion plate; bolts penetrating through the bent plate, the cushion pad and the bracket; the stud is fixedly connected to the bottom of the bracket, and a threaded hole matched with the stud is formed in the stud; the bracket is fixedly connected with the bottom plate; the backing plate is provided with an arc groove attached to the pumping oil cylinder.
Optionally, a first elastic pad and a second flat pad are arranged between the bolt and the bent plate.
Optionally, the backing plate is provided with two arc grooves, and the two arc grooves are arranged adjacently.
Optionally, the bracket is fixedly connected with the bottom plate through a pin shaft.
Optionally, the pin shaft is provided with a cotter pin for fixing and limiting.
Optionally, the base plate is fixed to the frame by fixing bolts.
Optionally, a second elastic cushion and a second flat cushion are arranged between the fixing bolt and the bottom plate.
Optionally, the backing plate is a nylon material plate.
Optionally, the cushion is a cushion.
Concrete pumping equipment comprises the pumping oil cylinder fixing device.
Compared with the prior art, the utility model discloses following beneficial effect has:
1. the utility model discloses on the basis of current pump sending hydro-cylinder fixed knot constructs the form, set up pump sending hydro-cylinder fixing device in pump sending hydro-cylinder front end, the circular arc recess that the backing plate and the backing plate that hydro-cylinder fixing device was equipped with were seted up and pump sending hydro-cylinder cooperation, form pump sending hydro-cylinder interlocking, offset the influence of vibration from top to bottom in the hydro-cylinder working process through the interlocking effect.
2. Meanwhile, the allowance between the adjusting bracket and the cushion pad is set through the cushion pad, so that the pumping oil cylinder is prevented from damaging parts due to aggravation of impact vibration in work caused by over-restraint, the problem of large vibration of the end part of the long cantilever beam structure of the pumping main oil cylinder is solved, and the stability of a central pumping system and the service life of the pumping oil cylinder are improved.
[ description of the drawings ]
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the invention and together with the description serve to explain the invention without undue limitation to the invention.
Fig. 1 is an installation schematic diagram of the pumping cylinder fixing device and the pumping cylinder of the present invention.
Fig. 2 is the utility model discloses a pumping cylinder fixing device's overall structure schematic diagram.
Fig. 3 is a schematic view of a sectional structure of a fixing device for a pumping cylinder of the present invention.
In the figure: 1. a first spring washer; 2. a first flat pad; 3. bending a plate; 4. a base plate; 5. a bolt; 6. a cushion pad; 7. a bracket; 8. a gasket; 9. a pin shaft; 10. a cotter pin; 11. a base plate; 12. fixing the bolt; 13. a second flat pad; 14. a second spring pad; 15. a stud.
[ detailed description ] embodiments
In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the drawings in the embodiments of the present invention are combined below to clearly and completely describe the technical solutions in the embodiments of the present invention, and obviously, 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 efforts belong to the protection scope of the present invention.
Techniques, methods, and apparatus known to those of ordinary skill in the relevant art may not be discussed in detail but are intended to be part of the specification where appropriate. In all examples shown and discussed herein, any particular value should be construed as merely illustrative, and not limiting.
In the description of the present invention, it should be understood that the directional terms or positional relationships indicated are based on the directional terms 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.
Concrete pump truck: a construction machine vehicle for delivering commercial concrete to a designated location.
Pumping an oil cylinder: a hydraulic actuator for converting hydraulic energy into mechanical energy to drive concrete to make linear reciprocating motion is disclosed.
A central pumping system: the actuating mechanism for providing power for pumping concrete consists of material bin, water tank, pumping oil cylinder, conveying cylinder and other parts.
A frame: the concrete pump truck is connected with a chassis and an upper transition structure, and is generally a structure of two main beams and a front beam and a rear beam.
Referring to fig. 2, a pumping cylinder fixing device comprises a bent plate 3, a backing plate 4 is arranged in the bent plate; a base plate 11 fixed to the frame;
the backing plate 4 is embedded and fixed in the bent plate 3, and the embedding and fixing mode can adopt a conventional fixing mode, such as bonding and fixing, riveting and fixing and the like;
referring to fig. 1, on the basis of fixing the pumping cylinder and the water tank, a pumping cylinder fixing device is arranged at the front end of the pumping cylinder and fixed on a frame beam;
a bracket 7, the top of which is provided with a cushion pad 6, and the top of the cushion pad 6 is also provided with a cushion plate 4; the cushion pad 6 can adopt a cushion made of rubber;
a margin is arranged between the bracket 7 and the buffer pad 6, and the buffer pad 6 plays a role in adjusting the margin and absorbing shock in the pumping process; the fastening degree of the upper support and the lower support is adjusted through the adjusting pad, so that the main oil cylinder is prevented from deflecting due to excessive constraint of a central pumping system when the distance between the main oil cylinder and the bracket 7 is too large or too small, and faults such as eccentric wear of a piston head are prevented;
referring to fig. 3, the screw hole is fixedly connected to the bottom of the bracket 7 and is internally provided with a screw hole adapted to the bolt 5;
the bolt 5 penetrates through the bent plate 3, the backing plate 4, the cushion pad 6 and the bracket 7 to be screwed with the stud 15, and along with the rotation of the bolt 5, the bolt 5 moves at the position of a threaded hole matched with the bolt 5, so that the change of the size of the interval between the bent plate 3 and the bracket 7 is realized, and a pumping oil cylinder placed between the bent plate 3 and the bracket 7 is realized;
the bracket 7 is fixedly connected with the bottom plate 11;
the backing plate 4 is provided with an arc groove attached to the pumping oil cylinder, and the pumping oil cylinder can be limited and fixed in the arc groove under the action of the arc groove to maintain the fixation of the pumping oil cylinder;
the shape and the size of the arc groove are attached to the outer contour of the pumping oil cylinder, so that the shape and the size of the arc groove are set according to the pumping oil cylinder with different specifications;
it should be noted that: this pumping cylinder fixing device is main uses mounting means, mainly has two kinds:
the first method comprises the following steps: the pumping oil cylinder fixing device is arranged above the pumping oil cylinder and fixed at an upper connecting point;
and the second method comprises the following steps: the pumping oil cylinder fixing device is arranged below the pumping oil cylinder and is fixed at a connecting point below the pumping oil cylinder.
In a further embodiment, a first elastic pad 1 and a second flat pad 13 are arranged between the bolt 5 and the bent plate 3; the first flat pad 2 increases the contact area between the bolt 5 and the bent plate 3, and eliminates the damage to the surface of the bent plate 3 caused by the bolt 5 during assembly and disassembly; the first elastic pad 1 is arranged below the first flat pad 2, and the elastic force of the first elastic pad 1 increases the friction force of the bolt 5 to prevent loosening.
In a further embodiment, the backing plate 4 is provided with two arc grooves which are adjacently arranged;
thus, as shown in fig. 2, the two pumping cylinders are respectively limited in the two arc grooves which are adjacently arranged, and the two cylinders can form a posture which is locked relatively to each other, so that the pumping cylinders have a good stable state.
In a further embodiment, the bracket 7 is fixedly connected with the bottom plate 11 through a pin shaft 9, and the pin shaft 9 is provided with a cotter pin 10 for fixing and limiting;
a gasket 8 can be arranged between the contact positions of the pin shaft 9 and the bottom plate 11, and the purpose of the gasket 8 is to relieve the contact stress of the pin shaft 9 and the bottom plate 11;
it should be noted that the bracket 7 and the bottom plate 11 are both provided with fixing holes for fixing the pin shafts 9 to each other.
In a further embodiment, the base plate 11 is fixed to the vehicle frame (the working position of the present cylinder fixing device) by fixing bolts 12;
the bottom plate 11 is provided with mounting holes for fitting the fixing bolts 12 to the vehicle frame.
In a further embodiment, a second elastic pad 14 and a second flat pad 13 are arranged between the fixing bolt 12 and the bottom plate 11;
the contact area between the fixing bolt 12 and the bottom plate 11 is enlarged, and the damage of the fixing bolt 12 to the surface of the bottom plate 11 during installation is eliminated; the second elastic pad 14 is arranged below the flat pad of the fixing bolt 12, and the elastic force of the second elastic pad 14 increases the friction force of the bolt 5 to prevent loosening.
The backing plate 4 can be a nylon material plate, and the cushion pad 6 is a cushion pad 6.
Concrete pumping equipment comprises the pumping oil cylinder fixing device.
The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (10)
1. A fixing device for a pumping oil cylinder is characterized by comprising a bent plate, wherein a base plate is arranged in the bent plate; a base plate fixed to the frame;
the top of the bracket is provided with a cushion pad, and the top of the cushion pad is also provided with a cushion plate; bolts penetrating through the bent plate, the cushion pad and the bracket;
the stud is fixedly connected to the bottom of the bracket, and a threaded hole matched with the stud is formed in the stud;
the bracket is fixedly connected with the bottom plate;
the backing plate is provided with an arc groove attached to the pumping oil cylinder.
2. The pumping cylinder fixing device according to claim 1, wherein a first elastic pad and a second flat pad are provided between the bolt and the bent plate.
3. The pumping cylinder fixing device according to claim 1, wherein the pad plate is provided with two circular arc grooves, and the two circular arc grooves are adjacently arranged.
4. The pumping cylinder fixing device according to claim 1, wherein the bracket is fixedly connected to the base plate by a pin.
5. The pumping cylinder fixing device according to claim 4, wherein the pin is provided with a cotter pin for fixing and limiting.
6. The pumping cylinder fixing device according to claim 1, wherein the base plate is fixed to the frame by fixing bolts.
7. The pumping cylinder fixing device according to claim 6, wherein a second elastic cushion and a second flat cushion are arranged between the fixing bolt and the bottom plate.
8. The pump cylinder fixing device according to claim 1, wherein the shim plate is a nylon plate.
9. The pump cylinder fixture of claim 1 wherein the cushion is a cushion.
10. Concrete pumping equipment, characterized in that it comprises a pumping cylinder fixing device according to any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120318238.4U CN214498424U (en) | 2021-02-04 | 2021-02-04 | Pumping oil cylinder fixing device and concrete pumping equipment comprising same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120318238.4U CN214498424U (en) | 2021-02-04 | 2021-02-04 | Pumping oil cylinder fixing device and concrete pumping equipment comprising same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214498424U true CN214498424U (en) | 2021-10-26 |
Family
ID=78219334
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120318238.4U Active CN214498424U (en) | 2021-02-04 | 2021-02-04 | Pumping oil cylinder fixing device and concrete pumping equipment comprising same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214498424U (en) |
-
2021
- 2021-02-04 CN CN202120318238.4U patent/CN214498424U/en active Active
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