153 results about "Rubber bearing" patented technology

The utility model discloses a graded energy consumption type seismic mitigation and isolation support, and relates to the technical field of seismic mitigation and isolation supports. The rubber support is connected to the bottom of the spherical support; the bottom basin assembly comprises a bottom plate and supporting stoppers, the supporting stoppers are fixed to the periphery of the bottom plate, the ends, away from the spherical support, of the rubber supports are connected with the bottom plate, the rubber supports are located in the supporting stoppers, and threaded holes are formed in the ends, away from the bottom plate, of the supporting stoppers; and the limiting stop block is fixed in the threaded hole in the supporting stop piece through the anti-shear pin, and the inner edge of the limiting stop block protrudes out of the inner side of the supporting stop piece and is used for limiting the spherical support. The graded energy dissipation function is achieved, when a bridge and a building structure normally operate, the spherical support horizontally moves and turns, and friction energy dissipation of the spherical support is mainly achieved; under the action of an earthquake, the rubber support is subjected to shear deformation, and the spherical support and the rubber support are combined to consume energy.

The utility model belongs to a bridge support, and particularly relates to a rubber support with a system conversion function. Comprising a rubber support body composed of horizontal steel plates longitudinally distributed in a rubber block, a pre-buried plate arranged on the upper surface of the rubber support body, an anchoring sleeve fixed to the pre-buried plate and used for being fixed to an upper structure, and a shear plate or a shear frame arranged on the lower surface of the pre-buried plate and matched with the periphery of the rubber support body. The shear plates or the shear frames are fixed through shear bolts. According to the utility model, the problems of large one-time investment and poor long-term operation performance reliability of the existing product are effectively solved. The system switching device has the advantages of being capable of meeting the requirements of system switching under different working conditions, simple in structure, good in part connection reliability, good in protection effect, long in service life, low in production and maintenance cost and the like.

The present invention discloses a liftable rubber bearing with an air spring, belonging to the technical field of bridge shock absorption. It includes an upper pier and a lower pier arranged oppositely, and the upper pier and the lower pier are connected by support columns. The support columns include connecting cylinders, rubber bonding blocks and a number of air elastic columns. The connecting cylinder is provided with a number of uniformly distributed air elastic columns penetrating along its circumferential direction. The air elastic columns can extend or shorten along the axis direction of the support column, and the connecting cylinder is filled with the rubber bonding blocks. By arranging a number of air elastic columns that can expand and contract along the axis direction of the support column in the circumferential direction of the support column, using the elastic characteristics of the air elastic columns, as the vibration load of the rubber bearing increases, the bearing capacity of the rubber bearing increases, and the air elastic columns can suppress the vibration amplitude and avoid resonance. When the impact load increases, the stiffness also becomes larger, ensuring a good vibration isolation effect.

The invention discloses a variable-stiffness friction slippage anti-swing three-dimensional shock isolation device and a shock absorption method thereof, and belongs to the technical field of building shock isolation and shock absorption. According to the technical scheme, the vibration damper comprises a top plate, a horizontal rubber support, a center mass block, a spring support, a limiting plate, a friction plate, a vertical rubber support and a bottom plate. The multi-stage self-adaptive rigidity mechanism has the beneficial effects that the friction material is arranged between the limiting plate and the friction plate, and the friction sliding position and the motion state can be controllably adjusted by adjusting the pre-tightening force of the bolt, the friction coefficient and the rigidity of the vertical rubber support, so that the multi-stage self-adaptive rigidity mechanism is formed; and the shock insulation and self-resetting performance of the structure under the action of horizontal and vertical earthquakes is obviously improved. The device has good three-dimensional shock insulation and swing resistance, and is simple in structure and convenient to install and maintain. The dynamic response of the upper structure applying the device under the earthquake action can be effectively inhibited, so that the structural safety and the use comfort are guaranteed.

The invention relates to an agricultural work machine (2) comprising a driver's cab (1) and a cable pull (8), wherein the cable pull (8) is assigned a first counter bearing (12) inside the driver's cab (1) and a second counter bearing (16) is assigned outside the driver's cab (1), wherein at least one of the counter bearings (12, 16) supports the cable pull (8) by means of a rubber bearing (18).

The invention relates to a hydraulic rubber bearing for mounting an axle carrier of a vehicle on a vehicle body, comprising: - An elastomeric element, - At least two chambers for holding a fluid damping medium, - where the chambers have at least partially flexible chamber walls, - wherein the two chambers can be fluidically connected by at least one channel, - at least one shut-off valve for locking and unlocking the channel, - wherein the shut-off valve is designed such that, depending on the flow velocity of the fluid damping medium and / or depending on the pressure difference between the two chambers, at least one half of the channel is shut off.

The invention relates to the technical field of rubber support detection, and discloses a shock insulation rubber support deformation detection device which comprises a heat insulation box, the interior of the heat insulation box is hollow, one side of the heat insulation box is open, first hydraulic rods are symmetrically arranged in the heat insulation box, and a heat insulation door is slidably connected to one side of the opening of the heat insulation box. An air extraction opening is formed in the side, away from the heat insulation door, of the heat insulation box, a communicating pipe communicating with the air extraction opening is installed on the surface of the heat insulation box, the other end of the communicating pipe communicates with an air storage cylinder installed at the top of the heat insulation box, and an air extraction piston is slidably connected into the air storage cylinder; one end of the air exhaust piston is fixedly connected with a movable rod which penetrates through one end of the air storage cylinder and extends to the outside, cold air in the heat insulation box is pumped into the air exhaust piston to be stored in a heat preservation mode through sliding of the air exhaust piston in the air storage cylinder, and when deformation detection is conducted on the shock insulation rubber support next time, the cold air stored in the air storage cylinder is sent back to the heat insulation box. The purpose of mixed heat exchange between cold air and gas in the heat insulation box is achieved.

The invention discloses a bridge plate type rubber support with a protection function, and belongs to the technical field of rubber supports, the bridge plate type rubber support comprises a rubber support body, a protection assembly is arranged on the outer side of the rubber support body, the protection assembly comprises arc-shaped plates, the arc-shaped plates are located on the outer side of the rubber support body and are distributed in an array mode, and first sliding rods are fixedly installed on the outer sides of the arc-shaped plates; the tail end of the first sliding rod is provided with a bevel edge top block, sliding strips are fixedly installed on the two sides of the outer wall of the first sliding rod, the first sliding rod is sleeved with a first spring and penetrates through the first protective shell, a rotating ring is arranged on the outer wall of the first protective shell, clamping teeth are evenly arranged on the outer wall of the rotating ring, and the top of the first protective shell is sleeved with a second protective shell. According to the bridge plate type rubber support with the protection function, the multiple arc-shaped plates are arranged to limit transverse displacement and horizontal dislocation of the rubber support body, tearing or deformation of the rubber layer caused by too large horizontal force is avoided, and meanwhile lateral bulging of the rubber layer can be restrained in an auxiliary mode.

This utility model relates to the field of rubber bearing seal processing technology, and provides a grinding device for the outer edge of rubber bearing seals. It includes a worktable with a support plate rotatably mounted in the center. A conical cylinder for placing the bearing seal is mounted on the support plate. In this grinding device, a support ring is first fitted onto the surface of the conical cylinder. Then, the bearing seal is placed on the support ring and fixed by pressing down with a crossbar. Rotating the conical cylinder causes the bearing seal to rotate. Next, a sliding plate is driven to bring a grinding roller close to the bearing seal, thus grinding the outer edge of the seal. After grinding, the grinding roller returns to its original position. Then, another sliding plate is driven to bring a polishing roller close to the bearing seal, thus polishing the outer edge. After polishing, the polishing roller returns to its original position. This improves processing efficiency and equipment utilization, and reduces resource waste.

The present invention discloses an anti-overturning bearing for bridges suitable for use in earthquake zones. The anti-overturning bearing comprises, from bottom to top, a lower base plate, a multi-layer rubber bearing, a first strong spring, an upper base plate, and a lead core. It also includes an auxiliary support structure and a cable disposed between the lower and upper base plates. The lower base plate is horizontally fixed to a bridge pier, the multi-layer rubber bearing is fixed to the lower base plate, and the center of the multi-layer rubber bearing is provided with a center hole. The lead core is vertically fixed to the center of the lower base plate and passes through the center hole of the multi-layer rubber bearing. The first strong spring is connected between the multi-layer rubber bearing and the upper base plate and sleeved on the lead core. The auxiliary support structure includes multiple components and is arranged circumferentially around the multi-layer rubber bearing. The auxiliary support structure includes a support wall, a support tube, and an overturning force guide member. The cable is vertically connected between the upper and lower base plates. The cable includes multiple components and is arranged circumferentially around the multi-layer rubber bearing.

The utility model discloses a composite type double-order lead core high-damping rubber support which comprises a first connecting plate, a second connecting plate, a first outer sealing plate, a second outer sealing plate, an inner sealing plate, an outer high-damping rubber composite material, an inner high-damping rubber composite material and lead cores. When the first connecting plate and the second connecting plate are forced by external force to generate relative horizontal displacement, the outer high-damping rubber composite material independently participates in energy consumption, or the outer high-damping rubber composite material and the inner high-damping rubber composite material jointly participate in energy consumption; therefore, after the arrangement mode is adopted, the rubber support has the double-order energy dissipation capacity, the requirement of the structure for vibration control can be met, the structure is simple and reasonable, and installation and maintenance are convenient.

The damping multilayer rubber bearing comprises an outer sleeve, a plurality of layers of spacers and a core shaft body which are sequentially arranged from outside to inside, and rubber is integrally formed and vulcanized among the outer sleeve, the spacers, the spacers and the core shaft body to form a whole; the rubber fully wraps the multiple spacers and extends to the end face of the outer sleeve. The spacers are arranged to be spherical arc-shaped, and the two symmetrical spacers form a sphere with a gap; the spacers are arranged at equal intervals and unequal heights; and the spacers and the flat surface of the mandrel body are crosswise arranged at an angle of 45 degrees. The mold comprises an integral lower mold, a middle mold and a split upper mold, the integral lower mold is provided with a positioning groove and a positioning pin, and the split upper mold is provided with a positioning groove, a positioning pin and a glue injection hole. The damping multilayer rubber bearing disclosed by the utility model can replace a metal bearing, so that not only is the cost reduced, but also the problem of abnormal sound caused by long-term use of the metal bearing is solved. The die can effectively improve the qualification rate and the production efficiency of the bearing, and ensures the quality and the service life of the bearing.

The utility model provides a three-dimensional vibration isolation support which is characterized in that a second connecting plate and a first connecting plate are vertically arranged at an interval, the first connecting plate can vertically slide relative to the second connecting plate, and the second connecting plate is fixed with a foundation; the elastic vibration reduction assembly is arranged between the first connecting plate and the second connecting plate, the elastic vibration reduction assembly can deform and store energy, and the elastic vibration reduction assembly can release energy and drive the first connecting plate and the second connecting plate to reset relatively; the rubber support is arranged at the top of the first connecting plate, and the top of the rubber support is connected with a building to be subjected to vibration isolation. Through the combined design of the elastic vibration reduction assembly and the rubber support, the energy storage and release mechanism of the elastic vibration reduction assembly can effectively buffer vibration caused by subway operation, the rubber support reduces transmission of earthquake shearing force through flexible connection, vibration control in the x direction, the y direction and the z direction with the support as the origin of coordinates is achieved, and the service life of the subway is prolonged. The three-dimensional vibration isolation effect is achieved, the anti-seismic performance of the upper cover building is remarkably improved, and interference of subway operation on the building is reduced.

The invention discloses a high-pier bridge support-stop block collaborative anti-seismic device and a design method thereof, and belongs to the technical field of high-pier bridge anti-seismic devices.The high-pier bridge support-stop block collaborative anti-seismic device comprises two high-damping rubber support assemblies arranged on the two sides of the upper end face of each bent cap; a high-pier bridge body is placed at the top of the high-damping rubber support assembly through a diaphragm plate; a transverse blocking assembly is arranged on the outer side of each high-damping rubber support assembly, the bottom of each transverse blocking assembly is fixedly connected with the upper end face of the cover beam, and a transverse blocking gap is formed between each transverse blocking assembly and the corresponding high-damping rubber support. When an earthquake comes, the high-pier bridge support-stop block cooperative anti-seismic device prevents a high-pier bridge body from losing stability or sliding off, after the earthquake, a high-damping rubber block in the transverse stop assembly enables a bridge system to restore to the initial state through elastic restoring force, the maintenance cost is reduced, and the service life is prolonged.

The invention relates to a method for mounting a chassis component (14) on a motor vehicle body (12), comprising the following method steps carried out in chronological order: producing a receptacle (18) corresponding to a rubber bearing (16) in a region (20) of the body (12); inserting a rubber support (16) into the receptacle (18); positioning and fixing the support core (22) in the rubber support (16); and the chassis part (14), which is designed as an axle bracket (14a), is mounted and fastened to the vehicle body (12) by means of a screw element (24) which can be inserted into the bearing core (22). The invention also relates to an arrangement of a chassis component (14) on a vehicle body (12).

The utility model relates to the field of compression-shear tests, and discloses a dynamic compression-shear test device for a high-damping shock-insulation rubber support, which comprises a compression-shear test rack and a test bench, and realizes accurate positioning and limiting of the high-damping shock-insulation rubber support in the test process through a bidirectional synchronous limiting assembly. Threaded structures in opposite directions are arranged on the left side and the right side of the double-thread lead screw, so that the two synchronous threaded blocks can move in the opposite directions at the same time, the support clamping plate is driven to achieve two-way synchronous limiting, it is ensured that the support is always kept at the stable position in the compression-shear test through the design, and the transmission mode is convenient to operate and high in reliability. And the position of the support clamping plate can be accurately controlled to adapt to high-damping shock insulation rubber supports with different sizes and shapes, and meanwhile, the operation efficiency of the test device is further improved and the test preparation time is shortened due to the efficient adjustment capability of the bidirectional synchronous limiting assembly.

Bearing holding device (1) of a stabilizer bearing in the chassis of a two-track vehicle, wherein a rubber bearing encompassing a stabilizer is held on the vehicle body by a flat retaining base (1.1) supported on the vehicle body and an omega-shaped retaining bracket (1.2) completing it to form a closed bearing structure, wherein the retaining base (1.1) is force-fit connected to the retaining bracket (1.2) in the installed state, characterized in that the retaining base (1.1) is positively connected to the retaining bracket (1.2) and wherein the retaining base (1.1) is provided with a rib structure.

The present invention discloses multiple sets of series-parallel thick-walled rubber bearings and a three-dimensional friction pendulum bearing, comprising upper and lower connecting plate assemblies arranged parallel to each other, and connecting bolt assemblies disposed at the edges of the upper and lower connecting plate assemblies. A thick-laminated rubber bearing is disposed between the upper and lower connecting plate assemblies, and the thick-laminated rubber bearing is wrapped around a guide rod, which is connected to a lower sleeve and disposed within an upper sleeve. The bearings described in this application serve to prevent vibration.

This invention relates to the field of seismic isolation bearing technology, specifically a horizontal seismic isolation bearing based on air springs, comprising a lower connecting steel plate, an upper connecting steel plate, a lead-core rubber bearing element, a supporting sliding element, a sector-shaped air spring, and a dust cover. The lead-core rubber bearing element is fixedly connected to the upper part of the supporting sliding element, and the supporting sliding element and the lower connecting steel plate are connected through sliding contact, forming a sliding friction pair. Multiple sector-shaped air springs are arranged circumferentially around the supporting sliding element, and the outer sides of the sector-shaped air springs are connected to steel limiting rings fixed to the lower connecting steel plate. The sector-shaped air springs are internally equipped with limiting devices and buffer rubber to prevent excessive displacement and compression damage. A dust cover is installed on the upper part of the steel piston rod of the sector-shaped air spring. The bearing of this invention can automatically adjust its working state according to the earthquake intensity, primarily using sliding and air springs during minor earthquakes, and activating the lead-core rubber for energy dissipation during major earthquakes, achieving intelligent graded seismic isolation.

The present invention discloses a self-resetting shear-resistant seismic isolation bearing, which belongs to the technical field of bridge vibration isolation bearings and includes: an upper bearing, a lower bearing, and a rubber bearing installed between the upper bearing and the lower bearing. The rubber bearing is slidably connected to the upper bearing, and the rubber bearing is composed of a plurality of rubber bearing assemblies stacked together. The rubber bearing assembly includes two symmetrically arranged support plates and a rubber interlayer installed between the two support plates. A first groove is provided on the side where the two support plates are close to each other, and an energy-absorbing damping steel plate with a U-shaped cross-section is installed in the first groove. An installation area for installing the rubber interlayer is formed between the two symmetrical energy-absorbing damping steel plates. A crescent-shaped gap is provided between the energy-absorbing damping steel plate and the inner wall of the first groove, and an elastic member connected to both the first groove and the energy-absorbing damping steel plate is installed in the gap. By arranging the U-shaped energy-absorbing damping steel plate and cooperating with the gap, the reset ability of the seismic isolation bearing after being subjected to shear force is improved.

The utility model discloses a stable supporting system suitable for a double-T-beam structure, which structurally comprises a double-T-beam, end cross beams, embedded steel plates, plate-type rubber supports and support pad stones, and the end cross beams are respectively arranged on two end sides of the double-T-beam which is connected through cast-in-place wet joints. Embedded steel plates for supporting the plate type rubber support are arranged on the bottom end faces of two beam ribs at one end of the double-T beam, and embedded steel plates for supporting the plate type rubber support are also arranged on the bottom end faces of the middle parts of end cross beams of the two beam ribs at the other end of the double-T beam, so that triangular stable support is formed, and the plate type rubber support can be supported under the action of dead load and live load; the double-T-beam four-support disengagement problem is effectively solved, the top end face of the plate-type rubber support is connected with the embedded steel plate, the bottom end face of the plate-type rubber support is connected and supported to the support pad stone installed at the lower end, and the supporting effect is achieved.

The invention discloses a multi-standard and multi-specification rubber support fixing device, and relates to the technical field of rubber support fixing equipment.The multi-standard and multi-specification rubber support fixing device comprises an upper support fixing plate and a lower support fixing plate, the upper support fixing plate is rotationally connected to an upper foundation mounting plate of a testing machine, and the lower support fixing plate is rotationally connected to a lower foundation mounting plate of the testing machine; the lower support fixing plate is rotationally connected to a lower foundation mounting plate of the testing machine, a rubber support is fixed between the upper support fixing plate and the lower support fixing plate, and a plurality of adjusting sliding grooves are formed in the sides, close to the rubber support, of the upper support fixing plate and the lower support fixing plate. A plurality of adjusting nuts are connected into each adjusting sliding groove in a sliding mode, a plurality of support fixing screw holes are formed in each adjusting nut, and the support connecting holes of the support connecting plate on the rubber support are connected with the support fixing screw holes through support fixing bolts. The device can be used for fixing rubber supports of different standards and different sizes, frequent replacement is not needed, and therefore the detection efficiency can be improved.

A motor vehicle chassis component (1) comprising a fiber-reinforced connecting rod (2) with at least two pivot points arranged on a metal-core-free coupling area of ​​the connecting rod (2) for the respective load input and load output, wherein the at least two pivot points each have a metal insert (3, 4, 5, 6) fully enclosed by plastic overmolding, and at least one of the metal inserts (3, 4, 5, 6) is designed as a metal sleeve in which a rubber bearing comprising a metal core (7a) and an elastomer body (7b) vulcanized to the metal core (7a) is inserted. is used characterized by the fact that the The connecting rod (2) is designed as a plastic injection molded connecting rod and at least one of the pivot areas has a bearing eye provided by the metal sleeve with an inserted rubber bearing preloaded in the radial direction and designed as an elastomer-metal bushing bearing (7). comprising, wherein the elastomer-metal bushing bearing has an outer, axially slotted sleeve which rests forcefully against the inner surface of the metal insert designed as a metal sleeve.

This application relates to a bridge rubber bearing with a built-in strain sensing testing device and its monitoring method, belonging to the field of bridge engineering technology. The bearing includes a test base, an upper connecting plate, a rubber layer, a lower connecting plate, and a strain sensor integrated inside the rubber layer and an interface on its sidewall. The core technology involves using a matching interface that can automatically move along the sidewall to electrically connect or non-contactly couple with the interface, thereby sequentially reading the strain data of the built-in sensor. This invention provides two implementation paths: a contact method, utilizing an electric contact plate with an arc-shaped contact surface for adaptive contact point offset; and a non-contact method, using an active matching module for electromagnetic coupling with a built-in passive coupler.

By reducing the risk of internal peeling or air mixing, it is possible to suppress a decrease in function as a product.SOLUTION: The laminated rubber support includes a lower steel plate, an upper steel plate, a plurality of plate-shaped rubber members stacked in the vertical direction between the lower steel plate and the upper steel plate, an inner layer steel plate disposed between the rubber members adjacent to each other in the vertical direction, and a lead plug which has a columnar shape, penetrates the lower steel plate, the rubber members, the inner layer steel plate, and the upper steel plate in the vertical direction, has a side surface entirely exposed to lead, and is disposed such that the side surface is in close contact with the lower steel plate, the rubber members, the inner layer steel plate, and the upper steel plate.SELECTED DRAWING: Figure 1

The utility model discloses a rubber bearing disassembling tool, which relates to the technical field of bearings and comprises a working table, and a tool component is arranged on the surface of the working table. The tool assembly comprises a bottom tool, and the surface of the bottom tool is in butt joint with a workpiece. A positioning disc is fixedly connected to the interior of the bottom tool, a connecting column is slidably connected to the middle of the positioning disc, a pushing disc is fixedly connected to the top of the connecting column, and a second spring is fixedly connected between the pushing disc and the positioning disc; by means of reverse thrust of the second spring, the pushing disc can automatically push the workpiece away from the bottom tool, meanwhile, the upper tool can rapidly push the rubber bearing out of the workpiece under the action of external force, then the links of manual operation are reduced, the decomposition speed is increased, and compared with a traditional manual decomposition mode, the work efficiency is improved. The working efficiency can be improved by multiple times, and the maintenance period of equipment can be effectively shortened.

The present application relates to the isolation device of the major lifeline engineering, specifically relates to a kind of isolation device of high lifting frame storage tank structure suitable for super large earthquake, including top concrete slab, bottom concrete slab, horizontal isolation rubber bearing system and sliding support system, the sliding support system is connected by elastic member between, sliding support system includes upper cap plate, cylinder, horizontal pin and bottom connecting steel plate, upper cap plate is left with gap with top concrete slab, cylinder can slide relative to bottom connecting steel plate, the upper cap plate is connected with cylinder by pre-press spring, vertical pin key rod is arranged in the upper cap plate, the horizontal pin is across the lateral wall of upper cap plate and cylinder, the isolation device of the present application, when the earthquake within the fortification intensity occurs, horizontal isolation rubber bearing system bears vertical load, when super large earthquake occurs, the new horizontal isolation system of sliding support system and elastic member composition bears subsequent larger seismic action, protects the safety of upper storage tank.

The utility model discloses a device for detecting the horizontal rigidity of a rubber support of an existing steel net rack, which comprises the rubber support, a lifting device, a pulley, a tension transmission wire and a detection equipment control center, the rubber support is arranged at the top of a supporting upright post, a rigid coaming is arranged on the outer wall of the rubber support, and the lifting device is arranged on the rigid coaming. The detection equipment control center is arranged at the top of the foundation on the right side of the supporting stand column, a lifting device is arranged at the top of the detection equipment control center, the top of the lifting device is rotationally connected with pulleys which are parallel to each other, and two tension conduction wires are fixedly installed at the end of the rigid surrounding plate; and the other end of the tension transmission wire bypasses the mutually parallel pulleys and is fixedly connected with a detection equipment control center. According to the utility model, the problem that the horizontal rigidity of the existing steel grid rubber support is difficult to accurately detect in the safety detection and identification process of the steel grid is effectively solved, and more reliable data support is provided for the safety evaluation of the steel grid structure, so that the accuracy and the reliability of the whole evaluation process are improved.

The utility model provides an adjustable deviation-rectifying shock-isolating rubber support with a steel jacket, which comprises an upper fixing plate, a rubber body, a lower fixing plate, a fence plate and a base plate, the upper fixing plate and the lower fixing plate are respectively fixed on the upper side and the lower side of the rubber body, the base plate is fixed on one side of the fence plate, and the upper fixing plate and the lower fixing plate are respectively fixed on the upper side and the lower side of the rubber body. The lower fixing plate is arranged on the base plate and located in the surrounding baffle, the side wall of the surrounding baffle is in threaded connection with an adjusting bolt abutting against the side wall of the lower fixing plate, an upper connecting hole is formed in the lower fixing plate, a lower connecting hole is formed in the base plate, a fixing bolt is arranged on the upper connecting hole in a penetrating mode, and the lower connecting hole is connected with the lower fixing plate in a penetrating mode. The fixing bolt penetrates through the lower connecting hole to be connected with the concrete buttress, and the fixing bolt abuts against the side, back to the base plate, of the lower fixing plate so as to achieve the deviation rectifying function, and the deformation capacity of the rubber body is improved.

The utility model discloses an anti-blocking submersible sewage pump, and belongs to the technical field of fluid machinery. The pump comprises a pump body, a pump shaft, a semi-open impeller and a stirring wheel, a stirring wheel shaft penetrates through an impeller center hole to be fixed to the pump shaft, and the stirring wheel is located on the outer side of an impeller inlet to stir sediment. A front cover plate is arranged on the inlet side of the impeller in the pump body, and a gap adjusting mechanism capable of adjusting the axial position of the front cover plate is arranged on the pump body so as to accurately control the working gap between the front cover plate and the impeller. And after the clearance is adjusted, the pump body and the front cover plate are locked through a fixing bolt. The pump is further provided with a lock washer for preventing the impeller from loosening and a stable supporting structure composed of a supporting frame and a rubber bearing. The anti-blocking sewage pump integrates active anti-blocking, adjustable gap and stable operation, and the passing capacity, the operation efficiency and the maintenance convenience of the sewage pump in a solid-containing and easy-to-deposit medium are remarkably improved.