9results about How to "Big jacking force" patented technology

The utility model relates to a frame opening and folding manipulator, which is positioned on one side of a tobacco frame, is correspondingly matched with a side frame plate, and comprises a mounting platform, a mechanical arm rotationally connected with the mounting platform and a driving mechanism for driving the mechanical arm to rotate, the rotating axis of the mechanical arm is parallel to the rotating axis of the corresponding side frame plate, the mechanical arm is further connected with an inserting and pulling mechanism and a jacking mechanism, the inserting and pulling mechanism comprises an inserting and pulling structure matched with an opening in the side face of a side column of the side frame plate in an inserted mode, and the jacking mechanism comprises a jacking structure sliding in the length direction of the side column in a reciprocating mode. The jacking structure is inserted into the meshes of the net structure or abuts against the cross beams of the side frame plates, the pin shafts of the side frame plates can be pushed to move upwards along the long round holes of the hinge structures, the inserting and pulling mechanism of the mechanical arm is matched with the jacking mechanism, the tobacco frame can be automatically opened and closed, the workload and the operation fatigue of workers are relieved, the manpower requirement is reduced, and the operation efficiency is improved.

A hole-forming drilling machine for a side slope drainage pipe comprises a vehicle body, a portal frame, a drilling machine girder, an anchoring mechanism, a drilling rod and a clamping mechanism. A crawler chassis is assembled on the lower surface of the vehicle body. A dragging mechanism is arranged on the rear edge of the vehicle body. The portal is composed of a cross beam and two vertical beams fixed to the two ends of the cross beam respectively, and the two vertical beams are both downwards fixed to the front edge of the vehicle body and provided with a drilling machine base capable of lifting, transversely moving and adjusting the angle. The drilling machine girder is fixedly mounted on the drilling machine base and is provided with a double-sided rack rail, a sliding base, a drilling machine power head and an angle-adjustable front anchor bearing; the anchoring mechanism is composed of a sliding column fixedly installed on the front anchor base, a sliding sleeve arranged on the sliding column in an embedded mode, a pressing oil cylinder, an anchor rotating motor and a spiral anchor. The drill rod is a spiral drill rod, a spiral blade is arranged on a rod body of the drill rod, and a sleeve is nested on the drill rod. The device safely climbs upwards along a slope, anchoring is carried out after the posture is adjusted, a certain horizontal counter force is resisted to place a pipe, and the working efficiency can be obviously improved.

The invention relates to the field of profile precision adjustment, in particular to a guide rail profile precision adjusting device and a display equipment production line guide rail. The horizontal push-pull assembly is mounted on the mounting frame; the first wedge body is connected with the horizontal push-pull assembly, the horizontal push-pull assembly is used for driving the first wedge body to horizontally slide on the mounting frame, and the top surface of the first wedge body inclines downwards in one sliding direction of the first wedge body; the top of the second wedge body is mounted at the bottom of the display equipment production line guide rail and is in lifting sliding connection with the mounting frame, and the bottom surface of the second wedge body is attached to the top surface of the first wedge body. According to the guide rail molded surface precision adjusting device, the problems that a precision adjusting mechanism for an existing display equipment production line guide rail is difficult to adjust the precision of the guide rail through a simple structure, the jacking force of the existing precision adjusting mechanism for the display equipment production line guide rail is small, and the precision adjusting process is strenuous can be solved; the device has the advantages of simple structure and labor saving.

The utility model discloses an injection mold frame system for preparing a small multi-cavity thin-wall plastic part, which relates to the technical field of injection molds, and comprises a movable mold seat, a fixed mold seat matched with each other for use is arranged at the upper part of the movable mold seat, a plurality of thimbles are mounted in the middle of the movable mold seat through bolts, and adjusting mechanisms are arranged at the end parts of the plurality of thimbles. After the positioning rod at the bottom end of the connecting piece is embedded into the groove body, the threaded sleeve is rotated to drive the threaded piece to get close to the connecting piece and be tightly attached to the connecting piece, so that fixing of the ejector pin end assembly is completed, when replacement is needed, the threaded sleeve is rotated reversely to enable the threaded piece to be separated from the connecting piece, and the ejector pin end assembly is replaced. By means of the design, abrasion or shape adaptation adjustment of the end of the ejector pin does not need to be integrally disassembled, only the end of the ejector pin needs to be locally disassembled and assembled, the maintenance time is remarkably shortened, the ejector pin structure is particularly suitable for the scene that an ejection end structure needs to be frequently replaced in a multi-cavity mold, and the production efficiency is improved.

The utility model discloses a magnetic base for a laser radar, which comprises a base main body (1) and a base upper cover (2), and the base upper cover (2) is provided with a fixing support (3) for fixing the laser radar. A vertical shaft (4) is arranged between the base main body (1) and the base upper cover (2), and a slidable magnet (5) is arranged on the vertical shaft (4); a cavity chamber (6) is arranged on one side of the base body (1), a support (7) is arranged in the cavity chamber (6), and a linkage piece (8) connected with the support (7) through a torsion spring is arranged on the support (7). The attraction force between the magnet and the vehicle body is changed in a jacking adjustment mode, operation is convenient, time and labor are saved, and disassembly convenience is improved.

The invention relates to the technical field of demolding devices, in particular to a kitchen knife mold demolding device which comprises a workbench, the workbench is of a square structure, a driving structure is arranged in the workbench, a working assembly is installed at the top end of the workbench, and the kitchen knife mold demolding device further comprises a clamping assembly arranged on the side edge of the working assembly. The bottom end of the clamping assembly is connected with the top end of the workbench, the clamping assembly can mechanically take out the shaped blade, and subsequent grinding operation of workers is facilitated; according to the demolding assembly, a mechanical structure is used for replacing personnel to take out equipment to be separated from a working area of the equipment, the clamping assembly and the working assembly are used in cooperation to attract a shaped cutter in a gap between a fixed mold and a movable mold, and then the shaped cutter is integrally arranged outside the working area, so that the personnel can conveniently clamp the cutter later; and meanwhile, the cutter is separated from the working area to achieve the heat dissipation effect, the attraction process is coherent, the taking-out process is stable, and the process is simpler compared with manual clamping.

The invention relates to the technical field of bridge expansion and contraction devices, in particular to a seamless expansion and contraction device, a bridge floor expansion and contraction joint structure and a paving method thereof.The seamless expansion and contraction device comprises two sets of displacement box bodies, a joint crossing plate and a reinforcing piece, and displacement sliding grooves are horizontally formed in the opposite sides of the two displacement box bodies; the joint crossing plate abuts against the upper end face of the displacement box body, connecting pieces slidably connected to the displacement sliding grooves are arranged on the two sides of the joint crossing plate so that the joint crossing plate can slide relative to the displacement box body, each reinforcing piece comprises a reinforcing pipe, a reinforcing rod, an inclined supporting rod and an elastic piece, the reinforcing pipes are arranged on the displacement box body or the beam body, the reinforcing pipes are vertically arranged, and the inclined supporting rod is arranged between the reinforcing pipes. The reinforcing rod is inserted into the reinforcing pipe in a sliding mode in the axial direction, one end of the inclined supporting rod is hinged to the lower end face of the middle of the seam crossing plate, the other end of the inclined supporting rod is hinged to the reinforcing rod, and the elastic piece is arranged between the reinforcing pipe and the reinforcing rod. The joint-crossing steel plate has the effect of improving the structural strength of the joint-crossing steel plate.

This invention belongs to the technical field of tunneling equipment, specifically disclosing a tunneling machine main unit and a tunneling machine. The main unit of the tunneling machine includes a cutterhead and a shield. A jacking mechanism is hinged to the front partition of the shield via a universal hinge structure. The jacking mechanism includes a jacking body and a jacking drive device for driving the jacking body to move forward to jack the tunnel face. The cutterhead is provided with a clearance hole for avoiding the jacking body. The tunneling machine includes the aforementioned main unit. This invention achieves universal swing of the jacking mechanism through the universal hinge structure, enabling the jacking body to jack the tunnel face at different angles, providing the shield with a counter-thrust force in any direction (up / down / left / right), assisting the shield in adjusting its attitude in different directions. If shield jamming occurs, regardless of the location of the jam, the jacking mechanism can provide the shield with the necessary counter-thrust force, thereby solving the problems of shield attitude adjustment and main unit retraction difficulties.

The utility model provides a kind of large-diameter double-wall drill rod of adopting mortise socket sealing connection structure, by outer drill rod and inner tube constitute, inner tube is kept fixed in the center of outer drill rod inner hole with support frame, the internal space of outer drill rod is divided into two passages of inner tube hole and double-wall sandwich between inner tube outer wall and outer drill rod inner wall;The front end of the outer drill rod body is equipped with mortise joint outer sleeve, the rear end is equipped with socket joint outer sleeve, the rear end of the socket joint outer sleeve is equipped with several mortises, the front end of the mortise joint outer sleeve is equipped with several occlusal blocks matched with the mortises;The outer diameter of the front end of the inner tube body matches the inner diameter of the rear end of the tube body.The utility model is applied to the hole outer driving micro-top pipe technology of the company, adopts inner and outer double-tube structure, divides the internal space of outer drill rod into two passages of inner tube hole and double-wall sandwich, replaces the grouting pipeline and sludge pipeline of traditional top pipe machine, greatly simplifies equipment structure.