70 results about "Ground lift" patented technology

The invention discloses a method for testing the fluid-production section of a horizontal pump well, which relates to the field of testing of fluid-producing sections of horizontal oil field wells. The method comprises the following steps of: connecting a long plunger hollow oil pump to the bottom of an oil pipe, feeding deep into the horizontal well by a design pump depth, and setting the long plunger hollow oil pump in a casing; synchronously feeding a continuous oil pipe and a logging cable deep into the lower part of a segment to be tested on the fluid-producing section of the horizontal well, pressing the ground where the continuous oil pipe is positioned to separate a releasing pipe nipple from the continuous oil pipe, and pulling the continuous oil pipe out; and connecting the upper end of the oil pipe with a reciprocating ground lifting device to perform reciprocating pumping actions, starting a fluid-producing section tester, pulling the logging cable slowly, and moving the fluid-producing section tester upwards for testing during production. According to the method, oil field No.5 casing well completion and fluid-producing section testing of the horizontal well by lifting with an oil sucking machine are realized; and meanwhile, the quantity of used equipment is small, the operation time is short, and the well testing cost is lowered.

The invention relates to a device used for charging an electromobile from the bottom of the electromobile. A charging device is composed of a ground lifting device, a vehicle-mounted charging module and a ground charger, wherein when the electromobile is parked in place, the lifting device is lifted, and a charging plug is conducted with a socket so as to charge the electromobile. The device provided by the invention has the functional characteristics that a. a charging pole is positioned on the bottom of the electromobile in charging, so that a shielding protection is provided for the charging pole, and the charging pole can work all weather without being affected by rain and snow; b. a passersby can not contact with an electrode, so that the security is high; c. the structure is simple, and the parking space is not occupied; and d. the requirements on the electrombile parking position are not high, and a state transit routine operation of a bus company is convenient.

The invention discloses a ground lifting projection screen, which has the characteristics of simple structure, small volume and the like. The upper end of a curtain is taken up by a pull rod, and the lower end of the curtain is taken up with a winding pipe; a synchronous rod passes through the winding pipe, and the winding pipe is supported on the synchronous rod via a bearing; a torsion spring is arranged between the winding pipe and the synchronous rod so that the curtain is tensioned between the pull rod and the winding pipe; two T-shaped steering gear cases are symmetrically arranged at two ends of the synchronous rod; X-axes of the T-shaped steering gear cases are connected to the ends of the adjacent synchronous rod; each foldable support is formed by hinging at least two rods, the two foldable supports are symmetrically arranged on two sides of the curtain, a lower rod of each foldable support is connected with a Y-axis of each adjacent T-shaped steering gear case, and upper rods of the foldable supports are connected with the pull rod; limiting modules are arranged on two sides of the curtain and correlated with the adjacent foldable supports so that the foldable supports are kept at spread positions after the foldable supports rotate to extreme positions; and the X-axes and the Y-axes are perpendicular to each other spatially.

The invention relates to a method for automatically adjusting the bucket height of road scraper and relative device. It can solve the defects of present road scraper which can only control the bucket via hand. It is characterized in that: a laser receiving control tracker (2) is mounted on the bucket of road scraper; a horizontal laser emitter (1) is mounted at the front of road scraper; and before the operation, adjusting the laser of horizontal laser emitter (1) to be parallel with operated rod and irradiate the photodiode sensor in the middle of laser receiving control tracker (2); in the operation, if the baffle on the ground lifts the front wheel of road scraper, the laser emitted from laser emitter (1) will de-center the photodiode sensor in the middle part, therefore, the laser receiving control tracker (2) will output the signal to lift or reduce the drop the bucket. The invention can completely remove the road baffle with high working efficiency.

The invention discloses a loose blasting type hot ore development system and a construction method thereof. The hot ore development system comprises a ground lifting system, a large-diameter verticalshaft, an underground high-temperature high-pressure heat exchange water tank, a heat exchange flow guide channel, a water-rock geothermal flow storage layer, a movable sealing device and the like, wherein the water-rock geothermal flow storage layer is formed by access blasting tunnels and a main tunnel. The hot ore development system is provided with an injection pipeline and a collecting pipeline along the inner wall of the large-diameter vertical shaft, the injection pipeline communicates with the collecting pipeline through the heat exchange flow guide channel of the underground high-temperature high-pressure heat exchange water tank in dry hot rock, the circulating main tunnel is arranged around the underground high-temperature high-pressure heat exchange water tank, and the plurality of rows of access blasting tunnels are horizontally arranged along the main tunnel, a hot ore blasting fracture flow storage layer is formed through caving mining method loose blasting, moreover, the movable sealing device is arranged above the vertical shaft of a blasting layer, through a U-shaped pipe principle, through the injection pipeline and the collecting pipeline, cold water and hot water in the high-temperature high-pressure water tank exchange heat energy, the water with the heat energy is conveyed to the ground to be converted into electric energy for people to use, and dual heat exchange is realized.

The invention discloses a high-pressure grouting lifting deformation monitor and an installation method thereof. The monitor comprises a reference pipe and a protective pipe; the bottom end of the reference pipe is connected with a sliding inner shaft, an inner anchor head is mounted on an inner anchor pipe, the bottom end of the protection pipe is connected to a sliding outer sleeve, the sliding outer sleeve sleeves the sliding inner shaft, and a sealing component is arranged between the sliding outer sleeve and the sliding inner shaft; an elastic rubber plug is embedded between the sliding inner shaft in the lower portion of the reference pipe and the sliding outer sleeve in the lower portion of the protective pipe in a sleeved manner; a ground lifting observation dial gauge is mounted at the top end of the reference pipe; and the reference pipe, the sliding inner shaft, the inner anchor pipe and the inner anchor head include hollow channels respectively, and the hollow channels are connected in series to form a grouting channel. The monitor and method can effectively prevent the protective pipe from consolidating with the reference pipe due to grouting leak in the high-pressure grouting process, sealing between the protection pipe and the reference pipe and free sliding performance during deformation are ensured, and the observation precision of the lifting deformation observing device is ensured.

The invention discloses an antiskid folding type ground lifting machine suitable for car maintaining. The antiskid folding type ground lifting machine comprises a base, a working platform, a right baffle, a left baffle, a folding rod set and a double-action hydraulic cylinder, wherein the right baffle and the left baffle are arranged at the two ends of the working platform correspondingly; and the folding rod set and the double-action hydraulic cylinder are arranged between the base and the working platform. The folding rod set comprises a first push rod, a second push rod, a third push rod, a forth push rod, a right hinge shaft and a left hinge shaft. One end of the first push rod and one end of the third push rod are hinged to the base. One end of the second push rod and one end of the fourth push rod are hinged to the working platform. A right piston rod of the hydraulic cylinder, the other end of the first push rod and the other end of the second push rod are connected in sequence through the right hinge shaft. A left piston rod of the hydraulic cylinder, the other end of the third push rod and the other end of the fourth push rod are connected in sequence through the left hinge shaft. The folding rod set and the double-action hydraulic cylinder are combined, so that the stability during ascending and descending of the lifting machine and the synchronization of the working platform are ensured.

An in-ground lift (10) is provided with a condensate scavenging system (30) that includes a pump (32) and a control (34) that is connected to the pump (32) and configured to selectively switch the pump (32) between a non-pumping state wherein the pump (32) is inactive and a pumping state wherein the pump (32) is expelling condensate from the base structure (12) of the lift (10). It is preferred that the control (34) be configured so that the pump (32) automatically switches between the non-pumping state and the pumping state in response to a predetermined change of state in the in-ground vehicle lift (10).

The invention provides a self-propelled dust collector matched with a ground lifting roller brush assembly. The self-propelled dust collector mainly comprises a machine body and the roller brush assembly. The machine body is provided with a dust collecting box, a dust sucking device and multiple wheel bodies. The bottom wall of the machine body is recessed inwards to form a containing groove. The roller brush assembly is arranged in the containing groove. Two pivot arms of a roller brush frame of the roller brush assembly are arranged in the containing groove of the machine body in a pivoted mode. A flexible connecting part of the roller brush assembly is through to form a channel, and a second opening of the roller brush frame is communicated with a dust collecting opening of the dust collecting box through the channel of the flexible connecting part. Thus, when the machine body passes an obstacle terrain, when the roller brush frame bears the external force effect, due to the fact that the pivot arms can swing up and down, a dust collecting piece of the roller brush frame can be kept attached to the ground, and then the sweeping effect is improved.

The invention discloses a novel railway truck for piggyback type transportation. The novel railway truck comprises pallets and ground lifting rotating devices, wherein the pallets can be stacked on bottom frames of railway trucks to be used for allowing highway trucks or highway semi-trailers for the piggyback type transportation to be placed; the ground lifting rotating devices are arranged on the ground, and are used for driving the pallets to rise and fall by a predetermined height relative to the bottom frames, and then driving the pallets to rotate relative to the bottom frames along an arc-shaped guide rail in the horizontal surface. Compared with the prior art, the novel railway truck has the advantages that conventional bottom frames of the railway trucks can be basically used, and special bottom frames for the piggyback type transportation do not need to be provided, so that the manufacturing cost of the railway trucks for the piggyback type transportation is reduced. In addition, loading and unloading processes can be completed by only rotating the pallets which are light in weight, and requirements for the power properties of a vehicle-mounted rotating device are reduced.

An in-line skate wheel having skew-mounted and self-powered illuminating devices is disclosed. The wheel includes a first and a second anchor joined together creating a chamber in the middle, a rotor held in the chamber, multiple illuminating devices inserted with a skew angle on the rotor, a stator fitted in the rotor, an axle passing through the two coupled anchors and the stator, and a protective covering placed around the rim of the two anchors. The skew-mounted illuminating devices allow the skate wheel to be fitted on in-line skates and skate boards that can only use small wheels. Further, the present design can prevent scratching of the illuminating devices against the ground that would otherwise cause abrasion on the surface of the illuminating devices and attenuate the light given out by the illuminating devices.

General-purpose linear tower ground wire lifting device, including the lower tightening lead screw (5), the upper tightening lead screw (4) with internal and external reverse threads fitted on the upper part of the lower tightening lead screw through thread fitting, The load-bearing ten-piece (3) and its pressure plate (8) on the tightening thread screw, the cantilever-type aluminum alloy base (1) set on the joints at both ends of the load-bearing ten-piece through the end lug plate, The operating handle (10) set on the upper end of the tightening thread screw, the integrated U-shaped notch connector (6) processed on the lower end of the lower tightening thread screw, and the locking bolt (7) fitted on the connector; The cantilever aluminum alloy base is an integral arched back structure, with a U-shaped groove (1a) with a notch facing downwards on the arched back, and a groove (1b) that runs through the upper and lower ends of the base. The two side plates serve as the terminal lugs. The present invention is easy to operate in the lifting operation of the overhead ground wire of the straight tower of the transmission line, can be quickly lifted and reset, is also applicable to all voltage level transmission lines, and is light, labor-saving, safe and reliable.

The invention discloses a foldable horizontal drill gauge which can be raised and lowered on the ground, which comprises a shell, an inner piece, a handle, and an adjustment rod and a dimension bar arranged on the upper surface of the shell. The lower surface of the shell is hinged with not less than three ring-shaped Evenly distributed telescopic rods, each telescopic rod is independently controlled by its own motor; the upper surface of the shell is also provided with a bubble level. The purpose of the present invention is to provide a foldable horizontal drill gauge that can be raised and lowered on the ground, which solves the problem that when using a drill gauge to measure in the prior art, it needs to be held manually and it is difficult to ensure its level, so as to improve the measurement accuracy of the drill gauge and facilitate induction. The purpose of placement.

The invention discloses a novel flexible vehicle body assembly machine system, belongs to the technical field of armored vehicle manufacturing, and aims to solve the problems of long time consumption, low efficiency and high risk in vehicle body machining. The system comprises a carrying platform, a vehicle body assembly tool, an auxiliary device, a numerical control assembly machine and a cutting and welding robot, the carrying platform comprises a cast iron platform, a driving device and platform sliding wheel sets, the vehicle body assembly tool comprises a positioning tool. the positioning tool is used for fixing a vehicle body on the carrying platform, the auxiliary device comprises a semi-gantry crane bridge and a ground lifting appliance; the semi-gantry crane bridge is arranged at the end part of the carrying platform, the ground lifting appliance is arranged on the side of the carrying platform, the assembly control machine is arranged on the carrying platform, the assembly mechanism control system is used for controlling an assembly gripping apparatus to move on a linear sliding table, and the cutting and welding robot comprises a robot body, a robot control system and a truss system. The production efficiency is improved, the number of operators is reduced, the labor intensity is reduced, the flexibility degree is high, and efficient flexible production is achieved.

The invention relates to an intelligent Internet education system based on projection mapping. A projection mapping room is provided with an intercepting door body, a wall baffle telescopic channel, aground lifting channel, a ground baffle telescopic channel and a projection device telescopic channel, a telescopic device comprises a wall telescopic guide rail, a wall driving motor, a wall projection mapping baffle, a ground telescopic guide rail, a ground driving motor and a ground projection mapping baffle, a lifting device comprises a ground lifting hydraulic pump, a ground lifting hydraulic rod, a ground lifting platform and a table and chair telescopic passage, a projection mapping device comprises a projection hydraulic pump, a projection hydraulic rod, a teaching projection mappingdevice, a table and chair hydraulic pump, a table and chair hydraulic rod, a table and chair platform, a projection mapping table and a seat, a teacher acquisition device comprises a teacher projection mapping device and a teacher microphone, an identification device comprises a first camera, a second camera and a teaching speaker, a positioning device comprises a first positioning module and a second positioning module, a wireless device is located in the control center, and the control center is located at the planning location.