CN219672782U - Hydraulic double-liquid grouting pump - Google Patents
Hydraulic double-liquid grouting pump Download PDFInfo
- Publication number
- CN219672782U CN219672782U CN202320552492.XU CN202320552492U CN219672782U CN 219672782 U CN219672782 U CN 219672782U CN 202320552492 U CN202320552492 U CN 202320552492U CN 219672782 U CN219672782 U CN 219672782U
- Authority
- CN
- China
- Prior art keywords
- oil
- control
- cylinder
- port
- valve
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 239000007788 liquid Substances 0.000 title claims abstract description 19
- 238000007789 sealing Methods 0.000 claims abstract description 33
- 239000002002 slurry Substances 0.000 claims abstract description 11
- 239000012530 fluid Substances 0.000 claims description 12
- 230000009977 dual effect Effects 0.000 claims description 11
- 238000007599 discharging Methods 0.000 abstract description 7
- 239000003921 oil Substances 0.000 description 122
- 238000005299 abrasion Methods 0.000 description 9
- 239000010720 hydraulic oil Substances 0.000 description 9
- 238000010276 construction Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 5
- 238000002347 injection Methods 0.000 description 3
- 239000007924 injection Substances 0.000 description 3
- 239000002245 particle Substances 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 230000001050 lubricating effect Effects 0.000 description 1
- 238000005461 lubrication Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 239000011800 void material Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Landscapes
- Actuator (AREA)
Abstract
The utility model discloses a hydraulic double-liquid grouting pump, which comprises: the oil cylinder barrel is vertically arranged with the slurry cylinder barrel, an inner cavity of the oil cylinder barrel is provided with an oil cylinder piston, one side wall of the oil cylinder barrel is provided with a first oil inlet and outlet and a second oil inlet and outlet, the upper end cover and the lower end cover of the oil cylinder barrel are provided with oil cylinder covers, and the oil cylinder covers are provided with positioning reversing devices; the inner cavity of the pulp cylinder barrel is internally provided with a pulp cylinder piston, a piston rod is connected below the pulp cylinder piston, the oil cylinder piston is connected with the pulp cylinder piston through the piston rod, the inner wall of the pulp cylinder barrel is provided with two oil storage tanks and two sealing grooves, each oil storage tank is provided with an oil filling port, each sealing groove is internally provided with a sealing ring, the upper end and the lower end of the pulp cylinder barrel are respectively covered with a pulp cylinder cover, the left side and the right side of the pulp cylinder barrel are respectively provided with a pulp sucking and discharging valve chamber, and the pulp sucking and discharging valve chamber is connected with a cavity of the pulp cylinder cover.
Description
Technical Field
The utility model relates to the technical field of engineering machinery, in particular to a grouting pump.
Background
Along with the development of the construction of tunnels, roads, bridges, dams, mines and buildings in China, various grouting construction projects such as grouting and water shutoff, void filling, rock stratum reinforcement, foundation treatment and the like are required to be carried out on construction sites, so that grouting machines are frequently and largely used.
At present, the existing grouting pump adopts a horizontal structure and piston sealing, and abrasion of a grinding deviation and a sealing ring is caused by dead weight of a piston and a piston rod, and meanwhile, the sealing ring is worn out due to slurry particles in a slurry cylinder along with reciprocating motion of the piston, so that the sealing ring is frequently replaced. In addition, when carrying out the switching-over, traditional circular driver plate stirs the switching-over device of shifting block and is bulky, and weight to when reciprocating motion, the easy clamp hurts operating personnel, has the potential safety hazard, and moreover, round pin axle, the spring in the switching-over mechanism are damaged easily, and the shifting block collision noise is big, and the switching-over valve often breaks down, influences the efficiency of construction.
Therefore, the hydraulic double-liquid grouting pump with compact structure, good sealing effect and safe reversing is provided, and the problem which needs to be solved in the industry is solved.
Disclosure of Invention
Aiming at the defects of the prior art, one of the purposes of the utility model is to provide a hydraulic double-liquid grouting pump, which has the advantages of simple and compact structure, high working efficiency and safe and reliable reversing.
The utility model provides a hydraulic double-liquid grouting pump, which comprises: the oil cylinder barrel is vertically arranged with the slurry cylinder barrel, an inner cavity of the oil cylinder barrel is provided with an oil cylinder piston, one side wall of the oil cylinder barrel is provided with a first oil inlet and outlet and a second oil inlet and outlet, the upper end cover and the lower end cover of the oil cylinder barrel are provided with oil cylinder covers, and the oil cylinder covers are provided with positioning reversing devices; the inner cavity of the pulp cylinder barrel is internally provided with a pulp cylinder piston, a piston rod is connected below the pulp cylinder piston, the oil cylinder piston is connected with the pulp cylinder piston through the piston rod, the inner wall of the pulp cylinder barrel is bored and provided with two oil storage tanks and two sealing grooves, each oil storage tank is provided with an oil filling port, each sealing groove is internally provided with a sealing ring, the upper end and the lower end of the pulp cylinder barrel are respectively covered with a pulp cylinder cover, the left side and the right side of the pulp cylinder barrel are respectively provided with a pulp sucking and discharging valve chamber, and the pulp sucking and discharging valve chamber is connected with a cavity of the pulp cylinder cover.
Optionally, the oil cylinder barrel and the pulp cylinder barrel are connected and positioned through a screw rod and are arranged on the pump seat.
According to the utility model, through the vertical structure and the setting of the sealing mode, the abrasion of the sealing ring and the abrasion of the slurry cylinder piston and the piston rod caused by dead weight are reduced, the arrangement is easier, the structure is compact, and the space utilization rate is high.
Optionally, the positioning reversing device comprises a positioning control valve group and a reversing valve, wherein the positioning control valve group is arranged on cylinder covers at two ends of the oil cylinder barrel.
Optionally, the positioning control valve group includes: the valve comprises a first valve body positioned on the upper portion, a second valve body positioned on the lower portion, a first valve rod connected with the first valve body and a second valve rod connected with the second valve body, wherein a first cavity is formed in the first valve body, a first control oil port, a second control oil port, a third first control oil port and a fourth first control oil port are formed in the first cavity, a second cavity is formed in the second valve body, and a first second control oil port, a third second control oil port and a fourth second control oil port are formed in the second cavity.
Optionally, the first valve rod is arranged in the first cavity, the second valve rod is arranged in the second cavity, and the first valve rod is provided with a first oil groove corresponding to the first control oil port, the second control oil port, the third first control oil port and the fourth first control oil port; the second valve rod is arranged in the second cavity, and a second oil groove corresponding to the first second control oil port, the third second control oil port and the fourth second control oil port is formed in the second valve rod.
According to the utility model, the cavity is arranged in the control valve body and the control oil port is arranged in the control valve body, and the outer circle of the valve rod in the cavity is provided with the oil groove corresponding to the oil port of the valve body, so that the corresponding oil way is communicated when the valve rod slides, and the reversing effect is realized.
Optionally, the first control oil port, the second control oil port, the third control oil port and the fourth control oil port are communicated.
Optionally, the first second control oil port, the third second control oil port and the fourth second control oil port are communicated.
Alternatively, the reversing valve is set as a hydraulically operated reversing valve.
Optionally, the two oil storage tanks and the two sealing grooves are respectively and symmetrically distributed along the axial direction of the pulp cylinder barrel,
wherein, two seal grooves are arranged near the both ends of thick liquid cylinder, and two oil storage tanks are located the inboard of two seal grooves correspondingly.
Optionally, a pressure reducing valve is further arranged and connected with the overflow valve and the slurry cylinder barrel, so that hydraulic oil is injected into the oil storage tank through the overflow valve and the pressure reducing valve through the oil injection port.
Therefore, hydraulic oil is injected into the oil storage tank through the oil injection port through the pressure reducing valve, so that an oil film is formed between the pulp cylinder barrel and the pulp cylinder piston, the oil pressure is slightly higher than the pressure of the pulp cavity, namely the oil pressure in the oil storage tank is higher than the pressure of pulp in the inner cavity of the pulp cylinder barrel, and the pressure oil (namely the hydraulic oil) seeps into the pulp cylinder barrel through the sealing groove in a tiny amount, so that the effects of lubricating and sealing oil and reducing the abrasion of the sealing ring are achieved.
The utility model achieves at least the following advantages: (1) The vertical structure of the grouting pump ensures that the internal structure is compact, the space utilization rate is high, and the grouting pump is easier to arrange; (2) The vertical structure and the sealing mode of the grouting pump reduce the probability of sealing piece abrasion caused by dead weight of the piston and the piston rod and the abrasion of the sealing ring caused by slurry particles in the slurry cylinder, reduce the replacement frequency of the sealing ring and improve the working efficiency; (3) The reversing device with the positioning reversing device and the circular driving plate structure has simple and compact structure and achieves the safe and reliable reversing effect.
Drawings
Fig. 1 shows a schematic structure of a hydraulic dual fluid grouting pump of the present utility model.
Detailed Description
The hydraulic dual fluid grouting pump of the present utility model is specifically described below with reference to the accompanying drawings.
As a non-limiting embodiment, the hydraulic dual fluid grouting pump of the present utility model is shown in fig. 1, and includes an oil cylinder 6, a slurry cylinder 17, and a positioning and reversing device (not numbered in the figure).
The oil cylinder barrel 6 is vertically arranged with the slurry cylinder barrel 17, an inner cavity of the oil cylinder barrel 6 is provided with an oil cylinder piston 7, a first oil inlet and outlet 8 and a second oil inlet and outlet 5 are arranged on one side wall of the oil cylinder barrel 6, the upper end cover and the lower end cover of the oil cylinder barrel 6 are provided with oil cylinder covers 9, and the oil cylinder covers 9 are provided with positioning reversing devices.
The inner cavity of the pulp cylinder barrel 17 is internally provided with a pulp cylinder piston 20, the lower part of the pulp cylinder piston 20 is connected with a piston rod 14, the oil cylinder piston 7 is connected with the pulp cylinder piston 20 through the piston rod 14, the inner wall of the pulp cylinder barrel 17 is bored and provided with an oil storage tank and a sealing groove, the oil storage tank is provided with an oil filling port 19, a sealing ring 18 is arranged in the sealing groove, the upper end and the lower end of the pulp cylinder barrel 17 are respectively covered with a pulp cylinder cover 15, the left side and the right side of the pulp cylinder barrel 17 are respectively provided with a pulp sucking and discharging valve chamber 21, and the pulp sucking and discharging valve chamber 21 is connected with a cavity of the pulp cylinder cover 15.
The oil cylinder 6 and the pulp cylinder 17 are connected and fixed in relative positions by the screw 24 and are arranged on the pump seat 26, so that the vertical structure and the sealing form reduce the abrasion of the sealing ring 18 and the abrasion of the pulp cylinder piston 20 and the piston rod 14 caused by self weight, are easier to arrange, and have a compact structure and high space utilization rate.
In this non-limiting embodiment, the positioning reversing device comprises a positioning control valve group, a hydraulic reversing valve 4, a control oil circuit and an oil return circuit.
The directional control valve is arranged on the oil cylinder heads 9 at the two ends of the oil cylinder barrel 6. The positioning control valve group comprises: the first valve body 13, the second valve body 29, the first valve stem 10, and the second valve stem 25. The first valve body 13 is provided with a first cavity (not labeled in the figure), in which a first control oil port 11, a second first control oil port 12, a third first control oil port 22 and a fourth first control oil port 23 which are communicated with each other are formed, the second valve body 29 is provided with a second cavity (not labeled in the figure), in which a first second control oil port 27, a second control oil port 28, a third second control oil port 30 and a fourth second control oil port 31 which are communicated with each other are formed. The first valve rod 10 is arranged in the first cavity, the second valve rod 25 is arranged in the second cavity, and the first valve rod 10 is provided with a first oil groove corresponding to the first control oil port 11, the second first control oil port 12, the third first control oil port 22 and the fourth first control oil port 23; the second valve rod 25 is arranged in the second cavity, and a second oil groove corresponding to the first second control oil port 27, the second control oil port 28, the third second control oil port 30 and the fourth second control oil port 31 is formed in the second valve rod 25, so that corresponding oil ways are communicated when the valve rod slides, and the reversing effect is realized.
Therefore, when the hydraulic double-liquid grouting pump is used, the first oil inlet and outlet 8 and the second oil inlet and outlet 5 of the oil cylinder 6 are sequentially connected with the hydraulic reversing valve 4, the overflow valve 2 and the hydraulic pump station 1, hydraulic oil is fed into the oil cylinder 6 through the second oil inlet and outlet 5, the oil cylinder piston 7 is pushed to move upwards, the oil cylinder piston 7 moves to the upper end of the oil cylinder 6, the first valve rod 10 is pushed to retract (the position shown in figure 1), the first control oil port 11 is controlled to be communicated with the fourth first control oil port 23 through the first oil groove on the first valve rod 10, hydraulic oil acts on the hydraulic reversing valve 4 to shift the hydraulic reversing valve 4, so that the hydraulic oil is injected into the first oil inlet and outlet 8 of the oil cylinder 6, the oil cylinder piston 7 is pushed to move downwards, meanwhile, the hydraulic oil flows to the second control oil port 28 of the second valve body 29, the second valve rod 25 on the lower side is pushed to extend, the second control pump station 28 is connected with the fourth second control oil port 31 and flows back to the overflow valve 32, the oil cylinder piston 7 is pushed to retract to the second oil inlet and outlet 25 through the second valve rod 25 on the second valve rod 6, the hydraulic oil cylinder piston is pushed to flow back to the first oil inlet and outlet 3 through the second oil inlet and outlet 25 on the hydraulic reversing valve 6, the hydraulic reversing valve 4 is pushed to flow to the second control oil outlet 25 is controlled to move to flow back to the second control oil outlet 25 through the second valve rod 25, the hydraulic reversing valve 4 is connected to the hydraulic reversing valve 4 through the second oil inlet and outlet 3, completing one reciprocating motion.
At the same time, the oil cylinder piston 7 is connected with the pulp cylinder piston 20 through the piston rod 14 to drive the pulp cylinder piston 20 to synchronously reciprocate, so that the pulp is sucked and discharged through the pulp sucking and discharging valve chamber 21, and the grouting is realized.
The relief valve 16 and the relief valve 32 are components of the hydraulic system.
Therefore, compared with the reversing device with the traditional circular driving plate structure, the positioning reversing device has simple and compact structure and realizes safe and reliable reversing. Meanwhile, hydraulic oil is injected into the oil storage tank through the oil injection port 19 through the pressure reducing valve 16, so that an oil film is formed between the pulp cylinder barrel 17 and the pulp cylinder piston 20, the oil pressure is slightly higher than the pressure of the pulp cavity, and the pressure oil penetrates into the pulp cylinder barrel 17 through the sealing groove in a tiny amount, so that the oil lubrication sealing is achieved, and the abrasion of the sealing ring 18 is reduced.
Although preferred embodiments of the present utility model have been described in detail herein, it is to be understood that the utility model is not limited to the precise construction and steps set forth herein, and that other modifications and variations may be effected by one skilled in the art without departing from the spirit and scope of the utility model.
Claims (9)
1. A hydraulic dual fluid grouting pump comprising: the oil cylinder (6), the pulp cylinder (17) and the positioning reversing device are characterized in that,
the oil cylinder barrel (6) is vertically arranged with the pulp cylinder barrel (17), an oil cylinder piston (7) is arranged in the inner cavity of the oil cylinder barrel (6), a first oil inlet and outlet (8) and a second oil inlet and outlet (5) are arranged on one side wall of the oil cylinder barrel (6), oil cylinder covers (9) are arranged at the upper end and the lower end of the oil cylinder barrel (6), and the positioning reversing device is arranged on the oil cylinder cover (9);
be equipped with thick liquid jar piston (20) in the inner chamber of thick liquid cylinder (17), the below of thick liquid jar piston (20) is connected with piston rod (14), hydro-cylinder piston (7) pass through piston rod (14) with thick liquid jar piston (20) are connected, the inner wall of thick liquid cylinder (17) is equipped with two oil storage tanks and two seal grooves, every be provided with oiling mouth (19) on the oil storage tank, every be provided with sealing washer (18) in the seal groove, the upper and lower both ends of thick liquid cylinder (17) are covered respectively and are equipped with thick liquid cylinder cap (15), the left and right sides of thick liquid cylinder (17) is equipped with respectively and inhales and arrange thick liquid valve chamber (21), inhale and arrange thick liquid valve chamber (21) with the cavity of thick liquid cylinder cap (15) links to each other.
2. Hydraulic dual fluid grouting pump according to claim 1, characterised in that the oil cylinder (6) and the slurry cylinder (17) are connected and positioned by means of a screw (24) and mounted on a pump mount (26).
3. The hydraulic dual-fluid grouting pump according to claim 2, wherein the positioning reversing device comprises a positioning control valve group and a reversing valve (4), wherein the positioning control valve group is arranged on two end oil cylinder covers (9) of the oil cylinder barrel (6).
4. A hydraulic dual fluid grouting pump as claimed in claim 3, wherein the positioning control valve bank comprises: the novel valve comprises a first valve body (13) located on the upper portion, a second valve body (29) located on the lower portion, a first valve rod (10) connected with the first valve body (13) and a second valve rod (25) connected with the second valve body (29), wherein a first cavity is formed in the first valve body (13), a first control oil port (11), a second first control oil port (12), a third first control oil port (22) and a fourth first control oil port (23) are formed in the first cavity, a second cavity is formed in the second valve body (29), and a first second control oil port (27), a second control oil port (28), a third second control oil port (30) and a fourth second control oil port (31) are formed in the second cavity.
5. The hydraulic dual fluid grouting pump as claimed in claim 4, wherein the first valve rod (10) is disposed in the first cavity, the second valve rod (25) is disposed in the second cavity, and a first oil groove corresponding to the first control oil port (11), the second control oil port (12), the third first control oil port (22) and the fourth first control oil port (23) is disposed on the first valve rod (10); the second valve rod (25) is arranged in the second cavity, and a second oil groove corresponding to the first second control oil port (27), the second control oil port (28), the third second control oil port (30) and the fourth second control oil port (31) is formed in the second valve rod (25).
6. The hydraulic dual fluid grouting pump as claimed in claim 5, wherein the first control port (11), the second control port (12), the third control port (22) and the fourth control port (23) are communicated.
7. The hydraulic dual fluid grouting pump as claimed in claim 5, wherein the first second control port (27), the second control port (28), the third second control port (30) and the fourth second control port (31) are communicated.
8. A hydraulic dual fluid grouting pump as claimed in claim 3, characterised in that the reversing valve (4) is set as a hydraulically operated reversing valve.
9. The hydraulic dual fluid grouting pump as claimed in claim 1, characterized in that two of said oil storage tanks and two of said sealing grooves are respectively distributed symmetrically along the axial direction of said grouting cylinder (17), wherein two of said sealing grooves are disposed adjacent to both ends of said grouting cylinder (17), and two of said oil storage tanks are correspondingly located inside of two of said sealing grooves.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320552492.XU CN219672782U (en) | 2023-03-20 | 2023-03-20 | Hydraulic double-liquid grouting pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320552492.XU CN219672782U (en) | 2023-03-20 | 2023-03-20 | Hydraulic double-liquid grouting pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219672782U true CN219672782U (en) | 2023-09-12 |
Family
ID=87921874
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320552492.XU Active CN219672782U (en) | 2023-03-20 | 2023-03-20 | Hydraulic double-liquid grouting pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219672782U (en) |
-
2023
- 2023-03-20 CN CN202320552492.XU patent/CN219672782U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CA2131192C (en) | Hydraulic oil well pump drive system | |
| CN105673203B (en) | A kind of ratchet drive-type variable-compression-ratio piston link assembly | |
| CN105221494A (en) | A kind of oil drives pressurized cylinder | |
| CN106121888A (en) | Single cylinder high pressure co-rail diesel pump assembly for common rail system | |
| CN113898574A (en) | Gland, hydraulic end and plunger pump | |
| CN104314527A (en) | Hydraulic pumping unit with power-assisted cylinder and oil production method of hydraulic pumping unit | |
| CN106837900B (en) | The electro-hydraulic vibration exciter of cement pavement rubblizing apparatus | |
| CN219672782U (en) | Hydraulic double-liquid grouting pump | |
| CN206299532U (en) | A kind of new five cylinders slush pump | |
| CN208650855U (en) | A kind of shield machine sealing grease filling system | |
| CN202545203U (en) | Downhole hydraulic oil well pump | |
| CA1233070A (en) | Oscillating-deflector pump | |
| CN108730148A (en) | A kind of double plunger fracturing pump of hydraulic-driven | |
| CA1212313A (en) | Hydraulic well pump | |
| CN210623001U (en) | Oil cylinder type bidirectional oil-water conversion high-pressure water generating device | |
| CN207315587U (en) | A kind of reciprocating continuous slush pump | |
| CN204961255U (en) | Switching -over valve and use this switching -over valve novelly prevent grinding partially hydraulic oil production device | |
| CN211950771U (en) | Chain type self-lubricating reciprocating pump | |
| CN207795493U (en) | Hand pressure plunger pump | |
| CN105041629A (en) | Novel anti-eccentric wear hydraulic oil extraction device | |
| CN110410303A (en) | A kind of liquid pumping method and pumping device applied in oil/gas well | |
| CN104454426A (en) | Reverse rotary drilling pump | |
| CN203051022U (en) | Oil field profile control pump | |
| CN204200185U (en) | Adopt the hydraulic pumping unit of power-assisted oil cylinder | |
| CN210484016U (en) | Liquid pumping device applied to oil and gas well |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |