10results about How to "Increase or decrease distance" patented technology

The utility model discloses a low power consumption type electric heating device for an air conditioner, which relates to the technical field of electric heating and comprises two fixing rods, and the sides, close to each other, of the two fixing rods are respectively and fixedly connected with a first supporting rod, a second supporting rod and a socket rod body. According to the utility model, the sectional type electric heating pipes are arranged, and each section of electric heating pipe can be independently installed and used, so that the corresponding number of electric heating pipes can be installed according to the outdoor temperature, and therefore, when the outdoor temperature is low, a large amount of heat can be generated indoors for heating in a short time; due to the fact that the types of the electric heating pipes are different and the lengths of the electric heating pipes are different, the distance between the electric heating pipes and the electric heating plug can be increased or decreased through the lifting assembly, the electric heating pipes with different lengths can be installed on the electric heating plug for use, and diversity is achieved.

The utility model discloses an aluminum alloy underframe width rigid supporting device which comprises supporting rods and supporting seats, the supporting seats are arranged on the two sides of the supporting rods, the supporting rods comprise a first round steel supporting rod and a second round steel supporting rod, the supporting seats comprise a first supporting seat and a second supporting seat, and a hydraulic jack is connected between the first supporting seat and the first round steel supporting rod. The first round steel supporting rod is connected with the second round steel supporting rod through a screw rod, the second round steel supporting rod is connected with the second supporting seat, and nylon blocks are arranged on the outer sides of the first supporting seat and the second supporting seat; both the hydraulic jack and the screw rod in the device can be extended or shortened, the device can adapt to underframes with different width sizes, the universality of the device is ensured, the rigidity of the device is increased by adopting the round steel supporting rod and the jack, the shrinkage amount of the underframes can be counteracted when the underframes are welded and adjusted, the underframes are not prone to deformation, and the service life of the device is prolonged. Therefore, the width size of the underframe is ensured.

The utility model discloses a phototherapy panel lamp capable of being folded and stored, which is convenient to fold and store, can increase or decrease required phototherapy panels, and can flexibly adjust phototherapy angles. The key points of the technical scheme are as follows: the LED panel lamp comprises a plurality of panels with built-in phototherapy lamps and circuit external connecting pieces, connecting pieces are arranged between adjacent panels, the adjacent panels can be turned over to be folded through the connecting pieces, and the circuit external connecting pieces are connected with the adjacent panels to connect and distribute a power supply to the adjacent panels. One panel is turned over to cover the other adjacent panel to realize folding, so that the occupied space of the phototherapy panel lamp is reduced; the circuit is communicated through the circuit external connection piece, and the function of expanding the phototherapy coverage is achieved; the butt joint structure is in an external connection mode, the influence of the folding state of the phototherapy panel lamp on a circuit between panels does not need to be considered, and the butt joint structure has the advantage of being flexible to use. Due to an external circuit mode, the use of all panels cannot be influenced when a single panel circuit is damaged, and the cost for replacing and maintaining the panels can be effectively reduced.

The utility model discloses a kind of steel pipe concrete arch bridge arch rib robot welding device, belong to arch welding equipment technical field.The application includes: walking assembly and the clamping assembly for clamping welding torch;Clamping assembly is set on walking assembly;Walking assembly includes base and walking structure;Walking structure is set on base;Clamping assembly includes: control module, motor, rotating seat, connecting rod, adjusting rod and clamping piece;Rotating seat rotation is set on walking assembly;One end of connecting rod is hinged with rotating seat, and the other end is hinged with one end of adjusting rod;The end of adjusting rod away from connecting rod is connected with clamping piece;Motor is connected with rotating seat, connecting rod respectively;Control module is connected with walking structure, motor circuit.The application can change the orientation of clamping piece by the rotation of rotating seat under the condition that walking structure does not move, simultaneously change the position of clamping piece by the rotation of connecting rod and adjusting rod, and then adjust the distance between welding torch and weld, and the flexibility is high.

The present invention relates to the field of crane technology, and in particular to a counterweight moving device and a crane. The counterweight moving device includes a counterweight frame, a connecting assembly, a transmission assembly and a driving member. The counterweight frame is used to connect to a turntable, and the connecting assembly is used to connect to the counterweight; the connecting assembly is rotatably connected to the counterweight frame, and the driving member is fixed to the counterweight frame and connected to the connecting assembly through the transmission assembly to drive the connecting assembly to rotate, thereby adjusting the distance from the connecting assembly to a set reference on the counterweight frame. The counterweight moving device provided by the present invention can achieve the change of the position of the counterweight relative to the turntable, that is, the position of the counterweight action point, without changing the weight of the counterweight, thereby changing the center of gravity of the crane, thereby improving the counterweight performance of the crane, avoiding the movement of the entire crane, and thus improving the stability of the crane.

The invention relates to the technical field of foundation reinforcement, in particular to soil pressure monitoring and early warning equipment in MJS construction, which comprises a drilling machine, a winch, a steel cable, a drill rod, a drill bit, a sleeve and a monitoring part, according to the invention, the following problems existing in the process of guniting and reinforcing a foundation soil body in the prior art can be solved: cement paste can only be sprayed by linearly moving upwards, the uniform distribution of the cement paste cannot be ensured, and the reinforcing effect on the soil body is influenced; the soil pressure of the side wall of a pile hole cannot be monitored, so that the construction process lacks controllability; by means of the multi-pipe type jet grouting pile technology, cement paste can be evenly diffused, stratum settlement can be effectively avoided, and the reinforcing effect is remarkable; according to the invention, the pressure of the soil on the side wall of the jet pile hole can be comprehensively monitored in multiple directions in the drilling and guniting processes, and the controllability in the construction process is ensured.

An injection device (10) includes a hand-held unit (100) having a head (102) and a body portion (104). The head includes a needle (110), a support portion (116), a movable portion (118), and a safety cap (122) removably coupled to the head. The movable portion moves axially relative to the support portion between an extended position and a retracted position in which a distal point of the needle is exposed. The safety cap includes a base member (123) and a locking plate (124) pivotably coupled to the base member, the locking plate pivotable between a locked position in which axial movement of the safety cap and the movable portion relative to the needle is restricted and an unlocked position in which the safety cap and the movable portion are axially movable relative to the needle.

This utility model relates to the field of rice transplanting technology and discloses a stepless speed regulation device for high-speed rice transplanters. It includes a fixed frame, an extension component fixedly connected inside the fixed frame, a positioning frame fixedly connected outside the adjustment component, and an adjustment component fixedly connected to one side of the positioning frame. The extension component includes a hydraulic rod fixedly connected inside the fixed frame, with a slider fixedly connected to one end of the hydraulic rod. The adjustment component includes a limiting block fixedly connected to one side of the positioning frame. This stepless speed regulation device for high-speed rice transplanters, through the extension component, allows for adjustment of the transplanting plate's position within the fixed frame by activating the hydraulic rod during use. The hydraulic rod drives the slider to move, which in turn moves the transplanting plate. This adjustment increases or decreases the distance between seedlings and changes the transplanting depth to accommodate different rice varieties.

The utility model discloses a high low temperature test case, it includes: box, the inner chamber wall of box all is provided with several groups of the convex board that is symmetrical distribution, and, the top of convex board is provided with adjusting assembly, and adjusting assembly includes the supporting plate, and the supporting plate sets up the top of convex board, and the lower end surface of supporting plate is provided with the threaded rod, and the other end of threaded rod is installed in the inside of convex board and extends to its below, and supporting plate can be through the rotation of threaded rod and displace on the top of convex board, and the both ends of tray are respectively clamped in the upper end surface of two supporting plates of being located in both sides. The high low temperature test case of the application adopts the supporting plate to lift the tray, changes the installation height of tray through the height of adjusting supporting plate, increases or shortens the distance between two adjacent trays, expands or reduces the containing groove between two adjacent trays, prevents the interference of the test material of bigger volume and the tray above, satisfies the simultaneous test of multiple groups of materials, is applicable to the use of different volume test material.

The utility model discloses an aircraft panel structure stringer overturning tool which comprises an overturning tool body, a first shaft body, a stringer body and placing frames, the placing frames are arranged at the two ends of the interior of the overturning tool body through the first shaft body and a second shaft body respectively, and six-dimensional force sensors are arranged on the first shaft body and the second shaft body respectively. The turnover tool comprises a turnover tool body, a plurality of containing frames are arranged on the turnover tool body, a stringer body is arranged between the containing frames, adjusting grooves are formed in the two sides of the lower portion of the turnover tool body correspondingly, lead screws are arranged in the adjusting grooves correspondingly, the lead screws are sleeved with driving blocks correspondingly, and balancing weights are arranged at the top ends of the driving blocks correspondingly. The turnover tool body, the stringer body, the placing frame, the first shaft body, the driving motor, the second shaft body, the six-dimensional force sensor, the adjusting groove, the lead screw, the servo motor, the driving block and the balancing weight are installed, the moment of force of the balancing weight to the turnover tool body can be changed by adjusting the horizontal position of the balancing weight, and the turnover tool body is kept balanced.