89 results about "Plate fixation" patented technology

To provide a fracture treatment fixation device for femoral fractures, enabling further reliable treatment of fractures of proximal femur.SOLUTION: A fracture treatment fixation device for treating femoral fractures includes: an intramedullary nail to be inserted into a femoral cavity; a lag screw disposed to penetrate the intramedullary nail diagonally upward and entering a femoral head and a femoral neck; an anterior wall plate to be applied to an anterior wall of a femoral trochanter; and an anterior wall plate fixation pin disposed to penetrate the intramedullary nail and secure the anterior wall plate to the anterior wall of the femoral trochanter.SELECTED DRAWING: Figure 1

[Solution] An expandable intervertebral spacer system has upper and lower plates forming a cage. The top, bottom, and sides of the cage have openings for receiving bone graft material. At least one angled section extends from the upper or lower plate into the cage. The upper and lower plates are connected to each other by a hinge at the proximal end of the cage. The cage is expanded by inserting a push rod from the proximal end of the cage against the angled section, forcing the upper and lower plates apart at a desired angle. A locking mechanism at the distal end of the cage uses a ratcheting mechanism to secure the plates apart. In this ratcheting mechanism, a torsion spring biases a movable strut against a fixed strut, which cooperates with sawtooth engagement on the movable and fixed struts to secure the upper and lower plates apart.

A water stop steel plate fixing structure comprises a supporting component and a clamping and fixing component, the supporting component is used for being clamped and fixed to a shear wall formwork, and the clamping and fixing component is assembled on the supporting component and used for clamping and fixing a water stop steel plate. According to the water stop steel plate fixing structure, the supporting component is clamped and fixed to the shear wall formwork, then the water stop steel plate is clamped and fixed through the clamping and fixing component on the supporting component, and therefore fixing of the water stop steel plate is achieved, and damage to the water stop steel plate is avoided.

The present invention relates to the technical field of medical devices, and relates to a dynamic bending fatigue test device and test method for a lamina fixing plate. The present invention includes: a base, a bracket test block, a connecting block, and a fatigue testing machine. A sliding groove for the movement of the bracket test block is provided inside the base, and a locking bolt for fixing the bracket test block is provided on the base; Two groups of bracket test blocks are symmetrically arranged and slidably arranged in the sliding groove. There is an intermediate groove between the bracket test blocks. Two groups of lamina fixing plates are symmetrically arranged in the intermediate groove. The lower end of the lamina fixing plate is fixed to the upper end of the bracket test block, and a groove is provided inside the lamina fixing plate; The connecting block is fitted in the groove and the upper end surface of the connecting block is fixedly connected to the lamina fixing plate. A loading hole is provided on the upper surface of the connecting block; The loading block of the fatigue testing machine is fixedly connected to the loading hole, and the connecting plate of the fatigue testing machine is fixedly connected to the base. By applying a dynamic load to simulate the situation of the postoperative opening lamina being squeezed, the service life and corresponding fatigue performance of the lamina fixing plate are measured.

The utility model belongs to the technical field of buildings, and particularly relates to a masonry tie bar embedded part anti-displacement fixing device which comprises an embedded steel plate, the embedded steel plate is located at the position, where a masonry tie bar is to be installed, of the back face of a main structure formwork, anchoring steel bars are arranged on the back face of the embedded steel plate, and holes are formed in the embedded steel plate. Nail bodies of the fixing nails penetrate through the holes in the embedded steel plate and the main body structure formwork, flat nail heads of the fixing nails are located on the back face of the embedded steel plate, and the nail bodies of the fixing nails are bent outside the main body structure formwork, so that the embedded steel plate is fixed, and the embedded steel plate is tightly attached to the main body structure formwork. The embedded steel plate is tightly attached to the formwork face plate, and the problems that due to displacement of the embedded part, the embedded part is immersed into concrete, and consequently concrete chiseling and welding construction of tie bars cannot be achieved in the later period are effectively solved. The formwork is simple in structure, easy and convenient to manufacture, high in construction speed and high in construction efficiency, large-area damage to the formwork can be avoided by adopting the fixing nails with relatively small diameters, and the service life of the formwork is prolonged.

This invention provides an internal fixation device for cancellous bone, belonging to the field of medical device technology. It includes a fixation plate with a plurality of screw holes and positioning holes arranged in a linear array on its top outer wall; and a guide assembly connected to the fixation plate, used to guide the hollow self-drilling screws. By incorporating the guide assembly, this invention not only guides the hollow self-drilling screws, preventing them from deviating from their pre-operatively assessed position during insertion, thus affecting their fixation effect on the fracture site, but also holds the screws during the guiding process, preventing the screw head from tilting and protruding, which could cause skin irritation and affect postoperative recovery.

This utility model relates to the field of orthopedic medical device technology, specifically to an adjustable drilled plate integrated fixation clamp for long bone fractures. It includes a first clamp body and a second clamp body, which are cross-hinged. The top of the first clamp body has a first clamping part, and the inner surface of the first clamping part has several short pins. The top of the second clamp body has a second clamping part, which includes a fixing plate and a clamping block. The clamping block is slidably connected to the inner side of the fixing plate, and the fixing plate has several through holes. This utility model not only provides stable clamping but also features fracture reduction and fixation, adaptive clamping of multiple types of plates, and drilled screw implantation.

Periprosthetic bone fixation plates are disclosed including, for example, periprosthetic proximal femur plate, periprosthetic distal femur plate, periprosthetic humerus plate, periprosthetic ring plate, and periprosthetic troch plate. In use, the periprosthetic bone fixation plates are arranged and configured for use in periprosthetic fractures. That is, the periprosthetic plates include one or more features to facilitate positioning and securement of the bone fixation plate to a patients bone that previously received a surgically implanted orthopedic device or implant such as, for example, an intramedullary nail, a hip prosthesis, a knee prosthesis, etc. In use, the one or more features are designed and configured to facilitate avoidance of the previous surgically implanted orthopedic device or implant. In addition, the periprosthetic bone fixation plates are arranged and configured to facilitate plating of a longer working length as compared to existing bone fixation plates (e.g., plating from, for example, femoral condyle to greater trochanter).

The invention provides a fixing steel plate for proximal humerus comminuted fracture, and relates to the technical field of proximal humerus fracture, the fixing steel plate comprises a main steel plate with a connecting hole and a branch steel plate fixed with the main steel plate through the connecting hole; a plurality of extending claws are arranged on the side, away from the main steel plate, of the branch steel plate, and fixing structures are arranged at the ends of the extending claws and can connect bone fragments and make the bone fragments tightly attached to the main bone. The branch steel plates can be strip-shaped or ring-shaped, and the extension claws can be integrally formed or detachably combined. The problems that a traditional steel plate can only be placed on the outer side, and when fractures are smashed, the upper rear large nodule and the inner fracture blocks are difficult to fix and prone to displacement or internal fixation fails are solved, all-directional fixation is achieved, the steel plate is suitable for different fracture scenes, operative wounds are reduced, and shoulder joint function recovery is assisted.

The utility model discloses cold-formed section steel straightening equipment, which relates to the technical field of bent section steel straightening, and comprises a bearing seat and two slide rails, the two slide rails are respectively arranged on the upper wall surface of the bearing seat, two transmission cases are arranged on the upper wall surface of the bearing seat, a lead screw is connected between the two transmission cases, and the lead screw is arranged on the bearing seat. Auxiliary structures are installed on the inner wall faces of the two transmission boxes, fixing structures are installed on the inner wall faces of the auxiliary structures, and the outer wall face of the lead screw is sleeved with a straightening structure. The device has the advantages that the four limiting plates respectively drive the fixed telescopic sleeves to move along the fixed telescopic rods, the clamping springs contract, the bent steel plate is jacked through the four limiting plates, transverse and longitudinal displacement of the bent steel plate is limited at the moment, then an operator tightens the two threaded nails to fix the bent steel plate, and the bent steel plate is fixed. The problems that according to existing cold-formed steel straightening equipment, fixing frames need to be prepared according to bent steel plates of different sizes, dismounting and mounting are very troublesome, and the clamping efficiency is reduced are solved.

The invention relates to a steel structure connecting piece easy to install and discloses a connecting piece for connecting an original steel plate fixing plate and a connecting steel plate fixing plate through fixing bolts and adjusting the installation angle by rotating a rotating supporting body in a rotating body containing groove. Which comprises a main body structure block, a rotating assembly and a supporting assembly, and is characterized in that the main body structure block is of a rectangular structure, the rotating assembly is arranged on the main body structure block, the supporting assembly is arranged on the main body structure block, and an original steel plate containing groove is formed in one end of the main body structure block; the length of the original steel plate containing groove is one third of the length of the main body structure block, and the original steel plate containing groove and the main body structure block are integrally formed.

The utility model relates to a steel plate fixer for a liquid seal groove, which comprises a transverse plate and fixing frames, the two ends of the transverse plate are respectively provided with one fixing frame, a clamping groove for clamping a steel plate is formed between the fixing frames and the transverse plate, the fixing frames and / or the transverse plate are / is provided with bolts for locking the steel plate in the clamping groove, the transverse plate is provided with a hanging assembly, and the hanging assembly is provided with a fixing frame. The steel plate clamping device comprises a steel plate and a transverse plate, the steel plate is arranged in a clamping groove formed by the fixing frames and the transverse plate through bolts, the hanging assembly is arranged between the two fixing frames, and the transverse plate is fixedly installed on a cofferdam of a liquid seal groove through the hanging assembly. The steel plate clamping device has the advantages that the steel plate is locked in the clamping groove formed by the fixing frames and the transverse plate through the bolts, so that rigid connection is formed between the steel plate and the clamping groove; therefore, displacement of the steel plate in the horizontal direction and the vertical direction is effectively limited, the steel plate can be kept stable in the working environment, and therefore the probability that the steel plate shakes and welding spots of the steel plate crack is reduced.

The invention discloses a bone surgery steel plate fixing auxiliary device, and relates to the field of medical instruments, the bone surgery steel plate fixing auxiliary device comprises a fixing seat and an adjusting mechanism movably arranged at the bottom end of the fixing seat and used for adjusting the clamping distance, clamping mechanisms used for clamping bones are symmetrically arranged at the bottom end of the fixing seat in a sliding mode, and an opening and closing mechanism is fixedly arranged on one side of each clamping mechanism; fixing mechanisms for fixing a steel plate are symmetrically and movably arranged on one side of the opening and closing mechanism, and a centering sleeve rod for centering the steel plate is fixedly arranged in the middle of the bottom end of the adjusting mechanism; the centering sleeve rod penetrates through the center of the steel plate, so that the center of the steel plate is aligned with the center of a skeleton; the clamping plate is driven by the third spring to provide reverse clamping force, and the steel plate is stably and centrally clamped by combining the silica gel pad; the steel plate slides down to the bone surface and is attached to the bone surface in cooperation with opening and closing of the check blocks, the problems that in a traditional operation, the steel plate is prone to deviating from the center and attaching is inaccurate are solved, the repeated adjustment and X-ray perspective times in the operation are reduced, and the radiation risk is reduced.

The utility model discloses a split mounting type swivel spherical hinge, and relates to the technical field of swivel spherical hinges. Comprising an upper spherical hinge assembly, a lower spherical hinge assembly, a sliding plate, an embedded steel plate, an anchoring assembly and a leveling mechanism, annular and radial stiffening ribs are arranged on the top face of the upper spherical hinge assembly, the bottom face of the upper spherical hinge assembly is an arc face, the top face of the lower spherical hinge assembly is a concave arc face, and the upper spherical hinge assembly is rotationally connected with the lower spherical hinge assembly; the sliding plates are distributed between the upper spherical hinge assembly and the lower spherical hinge assembly, the pre-embedded steel plate is composed of a plurality of steel plate fragments, the pre-embedded steel plate is fixedly connected to the bottom of the lower spherical hinge assembly, a plurality of grouting holes are formed in the pre-embedded steel plate, the anchoring assembly is fixedly connected with the pre-embedded steel plate, and the grouting holes are formed in the anchoring assembly. And the leveling mechanism is arranged on the embedded steel plate. The utility model is used for solving the problems in the aspects of processing, transportation and hoisting, improves the construction efficiency, and ensures that the concrete is poured compactly and the bearing capacity is improved.

The invention provides a cancellous bone internal fixing device, and belongs to the technical field of medical instruments. Comprising a fixing steel plate, a plurality of screw holes and a plurality of positioning holes are formed in the outer wall of the top of the fixing steel plate, and the screw holes and the positioning holes are distributed in a linear array mode; and the guide assembly is used for guiding the hollow self-drilling screw, and the guide assembly is connected with the fixed steel plate. By arranging the guiding assembly, the hollow self-tapping screw can be guided, the situation that the fixing effect of the hollow self-tapping screw on the fracture position of a patient is affected due to the fact that the hollow self-tapping screw deviates out of the designated position of preoperative evaluation in the screwing-in process is avoided, the hollow self-tapping screw can be held in the guiding process, and the fracture position of the patient is not affected. In this way, the situation that the screw head protrudes due to inclination, skin irritation is caused, and then postoperative recovery is affected can be avoided.

The utility model relates to the field of external fixators, and discloses a fibula unilateral external fixator which comprises a threaded column, the upper end of the outer surface of the threaded column is sleeved with an upper nut in a threaded mode, the middle of the outer surface of the threaded column is sleeved with a clamping block in a threaded mode, and a clamping groove is formed in one side of the lower end face of the clamping block. The lower end of the outer surface of the threaded column is sleeved with a lower nut in a threaded mode. In the utility model, in a surgical operation, a steel plate is usually used for treating a fracture through a screw, and the steel plate is fixed on a skeleton through a screw to provide stable support and promote the healing of the fracture, but the screw steel plate needs to be disassembled after being used, and meanwhile, the screw steel plate possibly causes injury to a patient when being disassembled; when the fibula unilateral external fixator is used, external fixation is convenient, the broken end of the fibula can be reset through a small incision or closing, the outer surface of the threaded column is sleeved with the upper nut and the lower nut, and the positions of the clamping block and the clamping piece can be adjusted when the upper nut and the lower nut are rotated.

The utility model provides a stainless steel plate fixing auxiliary device, and belongs to the technical field of stainless steel plate machining. The stainless steel plate fixing auxiliary device comprises a butt joint mechanism and a fixing mechanism, the butt joint mechanism comprises a base, a moving groove is formed in the center of the upper end face of the base, a two-way lead screw is rotationally connected into the moving groove, the upper end of the two-way lead screw is sleeved with a sliding block, and mounting grooves are formed in the two sides of the upper end face of the base; the fixing mechanism comprises a pair of fixing plates, the fixing plates are arranged on the two sides of the upper end face of the base correspondingly, the bottom ends of the fixing plates are fixedly connected with the upper end faces of the sliding blocks correspondingly, second sliding grooves are formed in the two sides of the upper end face of each fixing plate correspondingly, and the two ends of each pair of second sliding grooves are slidably sleeved with clamping plates correspondingly. According to the stainless steel plate fixing auxiliary device, the practicability of the stainless steel plate fixing auxiliary device can be effectively improved, and the stainless steel plate fixing auxiliary device has high practical value.

The utility model discloses a kind of steel structure roof lays color steel plate fixing device, its technical solution main point is: including first mounting plate, the side of the first mounting plate is provided with second mounting plate, the side fixed mounting of the first mounting plate has first connecting pipe, the side fixed mounting of the second mounting plate has two second connecting pipes, rotating shaft is sleeved in the inside of the first connecting pipe, the first mounting plate and the second mounting plate are sleeved together by the first connecting pipe, the second connecting pipe and the rotating shaft, the outer wall surface of the rotating shaft is equipped with two clamping grooves, the inside clamping of the clamping groove is limited to sleeve, by setting rotating shaft, cooperation between first connecting pipe and second connecting pipe can be achieved, so that the angle between first mounting plate and second mounting plate can be adjusted at any time, not only can be adapted to different length color steel plate, in response corner position also can adjust the angle of first mounting plate and second mounting plate and be fixed.

The steel plate fixing structure comprises a steel plate, a screw I and a combined screw, the screw I penetrates through the steel plate to be fixed to a non-fracture area of a bone, the combined screw is fixed to a fracture area of the bone, the combined screw comprises a screw II and a screw III, a threaded hole is formed in the implantation end of the screw III, and the steel plate is fixed to the steel plate. The implanting end of the screw II is connected with the screw III through the threaded hole, the screw II and the screw III are connected in a cross mode in a fracture area to form a vertical cross fixing structure, the steel plate is made of stainless steel or titanium alloy, and a fixing hole I, a fixing hole II and a fixing hole III are formed in the steel plate. The combined screws are combined in a fracture area to form a vertical crossing fixing structure, under the condition that the steel plate does not support lateral bone defects sufficiently, the occurrence rate of bending and breaking of the steel plate is reduced through the implanted combined screws, and the steel plate has the advantages of being convenient to operate, safe, effective and widely suitable for orthopedic surgery, and firm internal fixation of the orthopedic surgery is achieved.

The present invention relates to an integrated steel plate for pectus carinatum and pectus excavatum, comprising a steel plate and a fixing plate, wherein the steel plate comprises an arc-shaped main body, a bendable part, a part connected to the fixing plate with (screw) holes at two ends, and an extension plate; the bendable part is a thin steel plate, which is arranged at the two ends of the arc-shaped main body, and the thickness is less than the thickness of the arc-shaped steel plate main body and the fixing plate connecting part, the transition zone of the thin steel plate is streamlined and is a rounded rectangle viewed from top to bottom, and the radius of the chamfer is 1 / 4 to 1 / 3 of the width of the thin steel plate; the thin steel plate can rotate more than 180° around the arc-shaped main body; the fixing plate is located above the steel plate in the use state, and the two are fixed by guide screws. The steel plate of the present invention is not easy to break during use, which significantly reduces the risk of surgery, has a better correction effect, and is easier to operate. When the length of the steel plate is shorter, it can be adjusted more flexibly.

The buckling type steel plate fixing structure comprises an implantation screw implanted into a spine bone, a connecting base is arranged at the upper end of the implantation screw, the connecting base is connected with a steel plate connecting frame, the connecting base is inserted into a mounting hole formed in the steel plate connecting frame, and the steel plate connecting frame is connected with the implantation screw. Every two adjacent steel plate connecting frames in the front-back direction are connected through a connecting steel plate, a connecting rod is installed between every two adjacent connecting steel plates in the left-right direction, a spherical connector is fixedly installed at the upper end of the implanted screw, the implanted screw is rotationally connected with the connecting base through the spherical connector, and two symmetrical fixing grooves are formed in the outer side of the connecting base. According to the buckling type steel plate fixing structure used after the minimally invasive spine surgery, the novel structural design is adopted, a buckling type connecting structure is adopted between the steel plate connecting frame and the connecting base where the screw is implanted, traditional bolt fixing is replaced, operation is more convenient and faster, and therefore the whole surgery time is shortened, and the surgery risk is reduced.

The utility model relates to the field of orthopedics, in particular to an internal fixing device for limb fracture. The internal fixing device aims to solve the technical problems that in the prior art, a steel plate or a steel needle is easily fixed improperly, and dislocation of a bone fracture position is caused by improper fixation of the steel plate. An internal fixing device for limb fracture comprises a clamping assembly and a connecting assembly. By the adoption of the assembly design, the connecting assembly can be used in cooperation with clamping assemblies of different ring numbers, a doctor can select the clamping assembly of the corresponding ring number according to imaging examination (such as X-ray, CT or MRI) of a patient, during an operation, the clamping assemblies are stably fixed to the two sides of a broken bone in a surrounding mode, and after the two clamping assemblies are connected, the clamping assemblies can be fixed to the two sides of the broken bone in a surrounding mode. The adjusting assembly is operated to control the distance between the two clamping assemblies until the broken end of the fracture is reset, the supporting strip fixes and supports the fracture position, the design can greatly simplify the internal fixation operation of the fracture, the operation efficiency is improved, and meanwhile the fracture position is fixed very stably.

The application discloses a steel plate fixing auxiliary device for bone surgery and relates to the field of medical instruments, which comprises a fixing seat and an adjusting mechanism movably arranged at the bottom end of the fixing seat and used for adjusting the clamping distance, the bottom end of the fixing seat is symmetrically provided with clamping mechanisms used for clamping bones and slidably arranged, one side of each of the clamping mechanisms is fixedly provided with an opening and closing mechanism, one side of the opening and closing mechanism is symmetrically movably provided with a fixing mechanism used for fixing a steel plate, and the bottom end of the adjusting mechanism is fixedly provided with a centering sleeve rod used for centering the steel plate; the centering sleeve rod penetrates the center of the steel plate, the center of the steel plate is aligned with the center of the bone, the reverse clamping force is provided by the spring three-drive clamping plate, the steel plate is stably clamped in the middle in combination with the silica gel pad, the steel plate is opened and closed in cooperation with the stopper, the steel plate slides downward to the bone surface and is attached, the problems that the steel plate is prone to deviating from the center and is not accurately attached in traditional surgery are solved, the number of times of repeated adjustment and X-ray perspective in surgery is reduced, and the radiation risk is reduced.

A maxillofacial device includes a substructure with a shape that is custom made to a patient's maxillofacial area; a framework coupled to the substructure, the framework and substructure being made of a single continuous material or a combination of materials, the framework having a plurality of grid elements; and one or more plate fixations coupled to the substructure. The framework has a shape that is custom made to fit the patient's maxillary sinus area. The framework is configured to be surrounded by a bone graft material, wherein the substructure and framework provide rigidity and stiffness for the bone graft material.

A maxillofacial device includes a substructure with a shape that is custom made to a patient's maxillofacial area; a framework coupled to the substructure, the framework and substructure being made of a single continuous material or a combination of materials, the framework having a plurality of grid elements; and one or more plate fixations coupled to the substructure. The framework has a shape that is custom made to fit the patient's maxillary sinus area. The framework is configured to be surrounded by a bone graft material, wherein the substructure and framework provide rigidity and stiffness for the bone graft material.

The utility model discloses an acetabulum posterior wall fixing steel plate which comprises a steel plate body and extending parts, the shape of the steel plate body is matched with the shape of the acetabulum posterior wall, steel plate fixing nail holes are evenly formed in the surface of the steel plate body, and the extending parts are detachably arranged on the upper end face and the lower end face of the steel plate body. And an extension part fixing nail hole is formed in the surface of the extension part. The problem that the size of an existing acetabulum posterior wall fixing steel plate cannot be conveniently adjusted according to the bone size of a patient is solved.

The present application relates to an adjustable fully-flexible loop plate fixation apparatus, which comprises a fixation loop, a fixation loop ring, and a traction wire, and the three components are all flexible braided fabric. The traction wire passes through the middle and both sides of the fixation loop to form a surrounding tightening structure and extends at one side of the fixation loop to form an 8-shaped adjustable coil, wherein the 8-shaped adjustable coil has an anti-reverse and self-penetrating structure. The surrounding tightening structure and the 8-shaped adjustable coil jointly form the fixation loop ring.

According to an embodiment of the present disclosure, a bone fixation system includes an intramedullary nail and a bone plate. The plate body can be subdivided into different regions, including but not limited to a mid-shaft region and a proximal shaft region. The mid-shaft region and the proximal shaft region optionally have different widths and / or thicknesses in order to increase flexibility of the bone plate. The bone plate defines one or more plate fixation holes, which may be bone fixation holes. The plate fixation holes extend from the outer surface to the bone-facing surface, and are configured to receive various fixation members for affixing the bone plate to the IM nail and / or to the bone. One or more of the plate fixation holes are connected to the bone plate via protruding tabs, such that the plate fixation holes are separate from, yet connected to, the bone plate.

The utility model discloses a weep hole bolt fixing device for a round pipe culvert mold with weep holes, which relates to the field of concrete round pipe culvert production and comprises a plurality of mold reinforcing rib plates arranged on the side wall of the round pipe culvert mold, weep hole bolts arranged among the mold reinforcing rib plates, and fixing grooves formed in the upper parts of the weep hole bolts. Fixing steel plates are arranged on the upper portions of the transverse fixing steel bars on the left side and the right side of the drainage hole plug pin, through holes are formed in the two sides of each fixing steel plate, fixing bolts are arranged to penetrate through the through holes to fix the fixing steel plates to the side wall of the round pipe culvert mold, and then the transverse fixing steel bars and the drainage hole plug pin are fixed. The round pipe culvert is convenient to produce, the working efficiency is greatly improved, the quality of finished products is stable, meanwhile, the maintenance cost caused by deformation of parts is reduced, the safety is high, the structure is simple, and the use is convenient.

The utility model discloses a grooving device for steel plate processing, which comprises an operation table, a movable table is connected on the operation table in a sliding manner through a track structure, a positioning plate is fixedly arranged on the movable table, a supporting plate is fixedly arranged on the movable table, two sleeves are rotatably arranged on the supporting plate, a first motor is fixedly arranged on one side of the movable table, and a second motor is fixedly arranged on the other side of the movable table. One ends of the two sleeves penetrate through the supporting plate and are connected with the driving end of the first motor, a transmission belt structure is connected between the ends of the two sleeves and the driving end of the first motor, a first lead screw is in threaded connection in each sleeve, one ends of the two first lead screws penetrate through the sleeves and are fixedly connected with fixing plates, and the fixing plates are movably connected with the moving table and can fix a steel plate to the moving table; the steel plate grooving machine is simple in structure and convenient to use, prevents the displacement phenomenon in the grooving process, can move the two protective covers downwards in the grooving process so as to protect workers, and meanwhile, the grooving machine can adjust the position according to the position, needing to be grooved, of a steel plate.