Roadbed grouting reinforcement pressure adjusting device
Technical Field
The utility model particularly relates to a roadbed grouting reinforcement pressure adjusting device, and belongs to the technical field of roadbed construction.
Background
The problem that the roadbed subsides can appear after long-time use of highway roadbed, consequently need consolidate the roadbed of highway and handle, need utilize the slip casting machine at the in-process that consolidates highway roadbed to conveniently carry out the slip casting to highway roadbed inside, the roadbed slip casting can improve the roadbed bearing capacity, reduces the road surface subsides.
Through retrieving chinese patent CN218813645U, a pressure regulating device is consolidated in road bed slip casting is disclosed, including tube head and the fixed barrel that sets up on the tube head, be provided with adjusting part in the barrel, adjusting part includes the regulating block, be provided with the pressure measurement subassembly in the adjusting part, the pressure measurement subassembly includes the piston, fixedly connected with spring a between regulating block and the piston, the array is provided with a plurality of groups of alarm module on the length direction of barrel outer wall, the adjusting part is used for adjusting the precompression of spring, the pressure measurement subassembly is used for monitoring the size of slip casting pressure under the cooperation of alarm module when grouting in to the road bed, avoid causing the road bed arch because of slip casting pressure is too big or the condition that the grouting pressure is not enough consolidates the effect poor to take place.
The above-mentioned prior art can monitor the pressure, but does not possess automatic pressure regulation function, and when the pressure was too big, if not in time stop grouting machine, then probably lead to the slip casting too much to above-mentioned prior art adopts the support to support, but the support is motionless, and the device is inconvenient accomodate when not using.
Disclosure of utility model
The utility model aims to overcome the defects of the prior art, and provides a roadbed grouting reinforcement pressure adjusting device which not only can monitor the pressure, but also can automatically relieve pressure when the pressure reaches a set pressure, so as to prevent excessive grouting and pavement collapse, and meanwhile, the device can be stably fixed and is convenient to store.
The roadbed grouting reinforcement pressure adjusting device comprises a pressure cylinder, wherein one end of the pressure cylinder is provided with a grouting head, the inside of the pressure cylinder is movably clamped with a piston plate, the outer wall of the top of the piston plate is provided with a guide rod, one end of the guide rod is fixedly provided with a lifting plate, the side wall of the pressure cylinder is provided with a supporting seat, one side wall of the supporting seat is provided with an adjusting rod, the adjusting rod is in sliding clamping connection with the lifting plate, the adjusting rod is in sliding clamping connection with a lower pressing plate, the outer surface of the adjusting rod is connected with an adjusting nut in a threaded manner, the side wall of the adjusting rod is provided with an adjusting spring, the side wall of the pressure cylinder is provided with a pressure relief pipe, one end of the pressure relief pipe is provided with a clamping plate, and the clamping plate is clamped with a material receiving barrel.
Further, in order to facilitate replacement of the material receiving barrel, clamping grooves are respectively formed in the clamping plates, and limiting blocks are respectively arranged on the material receiving barrel.
Further, in order to give an alarm when the pressure is large, an annular pressure sensor is installed on the top outer wall of the lifting plate.
Further, in order to enable the lifting plate and the lower pressing plate to move more stably, a guide column is fixedly mounted on the supporting seat and is respectively and movably clamped with the lifting plate and the lower pressing plate.
Further, in order to facilitate observation of the specific position of the lifting plate on the guide post, scale marks are respectively formed on the side wall of the guide post.
Further, in order to enable the device to be stable and fixed, and also can conveniently accomodate, fixed mounting has the support curb plate on the lateral wall of pressure cylinder respectively, rotate respectively on the support curb plate and be connected with the bracing piece, install the guiding axle on the lateral wall of support curb plate, the epaxial movable joint of guiding has the joint bottom plate, install spacing respectively on the lateral wall of guiding axle, spacing with the joint bottom plate movable joint, install the joint on the lateral wall of joint bottom plate, be provided with supporting spring on the lateral wall of guiding axle.
Furthermore, in order to fix the support rod to the ground sufficiently, a plug rod is fixedly mounted on one side wall of the support rod.
Further, in order to fix the support bar when the support bar is folded, a magnet is installed on a side wall of the support bar.
The utility model has the technical effects and advantages that: when grouting pressure increases, can drive the piston plate and rise, when the piston plate reaches the export of pressure release pipe, then when reaching the maximum pressure of settlement, unnecessary raw materials can enter into the material receiving bucket inside this moment through pressure release pipe, when preventing to reach the maximum pressure value, continue the slip casting and lead to the road surface to collapse, and through adjusting the compression volume of adjusting spring, make the pressure that needs bigger just can drive the piston plate and rise, thereby reach the purpose of adjusting grouting pressure, through pulling joint bottom plate, then rotate the bracing piece, when unclamping the joint bottom plate, can drive the locating hole looks joint on joint and the bracing piece through supporting spring, then insert the inserted bar of bracing piece one end in the ground, thereby with the stable fixation of device.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present utility model;
FIG. 2 is a schematic view of a support rod according to the present utility model;
FIG. 3 is a schematic view of a guide bar structure according to the present utility model;
FIG. 4 is an enlarged schematic view of the structure of the present utility model at A;
FIG. 5 is an enlarged schematic view of the structure of the present utility model at B;
Fig. 6 is an enlarged schematic view of the structure at C of the present utility model.
In the figure: 1. a pressure cylinder; 2. a grouting head; 3. a guide rod; 4. a piston plate; 5. a pressure relief tube; 6. receiving a charging basket; 7. a clamping plate; 8. a clamping groove; 9. a limiting block; 10. a support base; 11. a guide post; 12. an adjusting rod; 13. a lower pressing plate; 14. an adjusting nut; 15. an adjusting spring; 16. an annular pressure sensor; 17. a lifting plate; 18. scale marks; 19. supporting the side plates; 20. a support rod; 21. a guide shaft; 22. clamping a bottom plate; 23. a support spring; 24. a clamping joint; 25. a limit bar; 26. a rod; 27. and (3) a magnet.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1-6, a pressure regulator for grouting reinforcement of roadbed comprises a pressure cylinder 1, a grouting head 2 is installed at one end of the pressure cylinder 1, a piston plate 4 is movably clamped in the pressure cylinder 1, a guide rod 3 is installed on the outer wall of the top of the piston plate 4, a lifting plate 17 is fixedly installed at one end of the guide rod 3, a supporting seat 10 is installed on the side wall of the pressure cylinder 1, an adjusting rod 12 is installed on one side wall of the supporting seat 10, the adjusting rod 12 is in sliding clamping connection with the lifting plate 17, a lower pressing plate 13 is in sliding clamping connection with the adjusting rod 12, an adjusting nut 14 is connected to the outer surface screw thread of the adjusting rod 12, an adjusting spring 15 is arranged on the side wall of the adjusting rod 12, a pressure relief pipe 5 is arranged on the side wall of the pressure cylinder 1, a clamping plate 7 is installed at one end of the pressure relief pipe 5, a clamping barrel 6 is clamped on the clamping plate 7, when grouting is required on a road surface, firstly, grouting is carried out on a pavement hole by a grouting machine through a grouting head 2, grouting pressure can be increased in the grouting process, a piston plate 4 can rise along with the increase of the pressure, when the piston plate 4 is positioned at an outlet of a pressure relief pipe 5, and when the set maximum pressure is reached, if grouting is continued, redundant raw materials can flow into a material receiving barrel 6 through the pressure relief pipe 5, so that pavement collapse caused by continuous grouting is prevented, and the adjustment nut 14 can drive a lower pressing plate 13 to descend through the adjustment nut 14, so that an adjustment spring 15 is compressed, the piston plate 4 can be driven to rise by larger pressure through adjusting the compression amount of the adjustment spring 15, the aim of adjusting the grouting pressure is fulfilled, therefore, the device can automatically relieve pressure when the maximum pressure is reached in grouting, avoid damaging the pavement, the threshold for maximum pressure relief can also be adjusted.
The clamping grooves 8 are respectively formed in the clamping plates 7, the limiting blocks 9 are respectively arranged on the material receiving barrels 6, when the material receiving barrels 6 are installed, the limiting blocks 9 on the material receiving barrels 6 penetrate through the clamping grooves 8, then the material receiving barrels 6 are rotated by 90 degrees, the clamping plates 7 can limit the limiting blocks 9, and accordingly the material receiving barrels 6 are installed.
An annular pressure sensor 16 is arranged on the top outer wall of the lifting plate 17, the annular pressure sensor 16 is connected with an alarm, when the adjusting spring 15 is compressed, a reaction force is given to the annular pressure sensor 16, and when the pressure detected by the annular pressure sensor 16 is overlarge, an alarm is continuously sent out, so that a worker is reminded of timely closing the grouting machine.
The support seat 10 is fixedly provided with the guide post 11, the guide post 11 is movably clamped with the lifting plate 17 and the lower pressing plate 13 respectively, the side wall of the guide post 11 is provided with the scale marks 18 respectively, the lifting plate 17 and the lower pressing plate 13 can be guided through the guide post 11, and the lifting plate 17 is conveniently observed to be positioned at a specific position of the guide post 11 through the scale marks 18 on the guide post 11.
The side wall of the pressure cylinder 1 is fixedly provided with a supporting side plate 19 respectively, the supporting side plate 19 is rotatably connected with a supporting rod 20 respectively, the supporting rod 20 is provided with a positioning hole, a side wall of the supporting side plate 19 is provided with a guide shaft 21, the guide shaft 21 is movably clamped with a clamping bottom plate 22, the side wall of the guide shaft 21 is provided with a limit bar 25 respectively, the limit bar 25 is movably clamped with the clamping bottom plate 22, one side wall of the clamping bottom plate 22 is provided with a clamping joint 24, the side wall of the guide shaft 21 is provided with a supporting spring 23, one side wall of the supporting rod 20 is fixedly provided with an inserting rod 26, when the device is fixed, the clamping bottom plate 22 is pulled firstly, then the supporting rod 20 is rotated, the positioning hole of the supporting rod 20 is aligned with the clamping joint 24, then the clamping bottom plate 22 is released, at the moment, the supporting spring 23 drives the clamping joint 24 to be clamped with the positioning hole on the supporting rod 20, the supporting rod 20 is unfolded and fixed, and then the inserting rod 26 at one end of the supporting rod 20 is inserted into the ground, and the purpose of stably fixing the device is achieved. A magnet 27 is mounted on one side wall of the support rod 20, and when the support rod 20 is folded, the support rod 20 can be fixed by being attracted to the side wall of the pressure cylinder 1 through the magnet 27.
When the grouting device is used, grouting is carried out to a pavement cavity through the grouting head 2, when grouting pressure is increased, the piston plate 4 is driven to rise, when the piston plate 4 reaches the outlet of the pressure relief pipe 5, when the set maximum pressure is reached, redundant raw materials enter the inside of the material receiving barrel 6 through the pressure relief pipe 5, so that pavement collapse caused by continuous grouting when the maximum pressure value is reached is prevented, the lower pressure plate 13 is driven to fall through screwing the adjusting nut 14, the adjusting spring 15 is driven to compress, the piston plate 4 can be driven to rise through adjusting the compression amount of the adjusting spring 15, the aim of adjusting grouting pressure is fulfilled, the device can automatically relieve pressure when the grouting is carried out, so that the pavement can be effectively prevented from being damaged, when the device is fixed, the clamping base plate 22 is pulled, then the positioning hole of the supporting rod 20 is aligned with the clamping connector 24, the positioning hole of the supporting rod 20 is driven to be clamped with the positioning hole of the supporting rod 20 through the supporting spring 23, the supporting rod 20 is driven to be clamped with the positioning hole of the supporting rod 24, and then the supporting rod 20 is stably inserted into one end of the ground, and the device 26 is stably inserted into the ground.
It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the disclosure is not limited to the embodiments described in detail below, and that the embodiments described in the examples may be combined as appropriate to form other embodiments that will be apparent to those skilled in the art.