40results about How to "Easy to remove later" patented technology

The invention provides a reinforcement-truss-type floor bearing plate; each of fastener hangers has a screw hole and a clamp groove, the fastener hangers are fixed to a bottom formwork through screws, the screws cooperate with the screw holes, and a truss is clamped to the clamp grooves; compared with the prior art where the bottom formwork is welded directly to the truss, the bottom formwork herein is clamped to the truss through the fastener hangers and is convenient to detach later, the bottom formwork is never damaged during detaching, and subsequent usage of the bottom formwork is facilitated. After the bottom formwork is removed, no welding points are left on the truss, and subsequent decoration of a building is benefited. A bearing post is connected to each fastener hanger and is mainly used for preventing inner threads of the screws from being damaged. Supports are connected to connection rebars and are used for supporting upper chord rebars; in actual use, the upper chord rebars deform upon stress, and the stability of a truss body during use is optimized; the supports are mainly used for improving bending strength of the upper chord rebars.

The invention discloses a spliced temporary steel plate pavement. The spliced temporary steel plate pavement comprises more than two steel plates, through holes are all formed in four corners of the steel plates, four apex angles of the steel plates are arc internal corners, a pressing plate and a base plate are arranged on the upper portion and the bottom of the connecting position of the adjacent steel plates correspondingly, limiting rods are all welded to the four corners of the bottom of the pressing plate, the limiting rods penetrate into the through holes in the steel plates, a screw rod is arranged between the each pressing plate and the base plate, the screw rods penetrate through the arc internal corners of the steel plates, and locking nuts are both connected to the two ends ofthe screw rods in a threaded mode. According to the spliced temporary steel plate pavement, by means of the active connection and fixation, connecting parts are not directly fixed on a temporary steelplate road, so that a connection mode of the temporary steel plate road on a construction site is convenient for later dismounting, and secondary utilization of the steel plate road is facilitated.

The invention provides a simple method for greening the side slope of an open-pit mine, comprising the following steps: S1, using the existing platform of the side slope of the open-pit mine, stacking planting soil on each side slope platform, and stacking the planting soil along the outside of the slope Tilt; S2. Sow grass seeds on the planting soil. At the same time, plant seedlings of climbing plants with a spacing of ≤1.5m. The growth direction of climbing plants is controlled during the maintenance period. Plants are arranged at intervals; S3. Lay straw or other dead branches and withered grass on the planting soil; S4. Set up a temporary retaining wall near the edge of each slope platform; S5. Remove the temporary retaining wall after the greening reaches the standard. The method for simple treatment and greening of the open-pit mine slope is simple and easy to implement, low in cost, and has good side slope treatment and greening effect. The whole treatment process does not require construction machinery, has little disturbance to the side slope, and does not cause new damage to the side slope.

The invention discloses a cutting robot based on weed identification. The top of the frame is fixedly connected with a control box, one end of the control box is embedded with a controller, and the bottom of the frame is symmetrically installed with a fixing seat. An adjustment rod is installed corresponding to the rotation between the two fixed seats, and guide grooves are provided at the bottom of the frame corresponding to both sides of the adjustment rod. The structure of the present invention is scientific and reasonable, and it is safe and convenient to use. The mechanism can adjust the position of the moving wheel according to the position of the plants in the field ridge, avoiding the rolling of the plants when the frame is moved by the moving wheel, and can also prevent the stability of the frame from being affected by the asymmetry of the moving wheel after adjusting the position of the moving wheel. The unique adjustment cutting mechanism can adjust the position of the cutting knife according to the lateral position and height position of the weed root, which increases the accuracy of cutting the grass root and reduces the situation of cutting other plants by mistake when cutting weeds.

The invention relates to a shock-absorbing stair template for building construction, which includes a body, the body includes a bottom plate, a side plate and a cover plate, side plates are arranged on both sides of the upper end of the bottom plate, and several cover plates are arranged on the bottom plate above, and located between the two side plates, the bottom plate, side plates and cover plates encircle to form a pouring space, there is also a pedal above the body, and the pedal is located above the cover plate, the bottom plate A support mechanism is provided between the pedal and the pedal. The invention has the advantages of filling concrete into the main body to complete the pouring of the stairs, and a pedal is set above the main body for workers to pass up and down floors, realize simultaneous pouring and maintenance of multiple stairs, and improve construction efficiency.

The invention discloses a novel revetment device used for building construction. The novel revetment device comprises a left supporting post (10) and a right supporting post (11), wherein a supporting cross rod (7) is connected between the left supporting post (10) and the right supporting post (11); the left end part of the supporting cross rod (7) penetrates through the left supporting post (10) and extends out of the left side of the left supporting post (10); the right end part of the supporting cross rod (7) penetrates through the right supporting post (11) and extends out of the right side of the right supporting post (11); the left end part and the right end part of the supporting cross rod (7) are separately fixedly connected with the left supporting post (10) and the right supporting post (11) through locking nuts (9); the left end part and the right end part of the supporting cross rod (7) are separately provided with outer threads (8) which are matched with the locking nuts (9); and more than two wall body plates (1) are sequentially arrayed on the supporting cross rod (7).

The invention provides a printing support. The printing support comprises at least one 3D printing single piece, wherein the ingle piece comprises a first part, a plurality of second parts arranged onthe first part, and a plurality of third parts which are connected with the first part and the second parts; the size of each part is gradually reduced from bottom to top; first end faces contacted with a 3D printed product are arranged at the tops of the second parts, third end faces are arranged at bottoms of the second parts and opposite to the first end faces; second end faces contacting a substrate are arranged at the bottom of the first part; and the surface area of the first end faces, contacting the 3D printed product, is less than the bottom area of the 3D printed product, so that the support can be easily separated from the 3D printed product.

Relating to the technical field of batik, the invention relates to a batik method of cotton cloth and a batik cotton cloth. The batik method of cotton cloth includes: conducting cotton cloth pretreatment, then performing preliminary painting, wax coating, dyeing with a coloring agent, color fixation and dewaxing. Specifically, the wax comprises beeswax, paraffin, amber and phthalic acid ester in a weight ratio of 30-50:10-20:2-4:0.5-1. The method has the characteristics of simple operation, mass production capability, excellent batik effect, and high yield. The batik cotton cloth prepared by the method provided by the invention has the advantages of good surface pattern molding effect, clear color and good handfeel.

The invention provides a copper aluminum combination metal substrate processing method. The copper aluminum combination metal substrate is used for manufacturing a thermoelectric separation plate andcomprises a first copper foil layer, an insulating layer, a copper plate, an aluminum plate and an aluminum plate protection membrane, which are laminated from the top to the bottom. The method comprises the following steps: tearing off the aluminum plate protection membrane on the copper aluminum combination alloy metal substrate; pasting a high temperature tape below the aluminum plate; overlaying a PP sheet and a second copper foil layer below the high temperature tape, wherein the second copper foil layer is located below the PP sheet, and then laminating; using an alkali etching method toremove the copper foil on the first copper foil layer corresponding to a laser slotting or laser drilling position when the thermoelectric separation plate is manufactured; carrying out laser slotting or laser drilling on an insulating layer; then, performing electroplating; uncovering after electroplating; and tearing off the laminated high temperature tape, the PP sheet and the second copper foil layer.

The invention discloses a wall protection assembly for building construction, which comprises a left pillar (10) and a right pillar (11), wherein a support cross rod (7) is connected between the left pillar (10) and the right pillar (11); the left end part of the support cross rod (7) penetrates through the left pillar (10) and extends to the left side of the left pillar (10); the right end part of the support cross rod (7) penetrates through the right pillar (11) and extends to the right side of the right pillar (11); the left end part of the support cross rod (7) and the right end part of the support cross rod (7) are respectively fixedly connected with the left pillar (10) and the right pillar (11) through locking nuts (9); external threads (8) matched with the locking nuts (9) are respectively arranged on the left end part of the support cross rod (7) and the right end part of the support cross rod (7); more than two wall plates (1) are sequentially arranged on the support cross rod (7).

A pile foundation protection pile, including a protection pile rod and a concrete base, and a reinforcement cage, the reinforcement cage adopts a rectangular structure with two ends open, the reinforcement cage is vertically buried in the pile protection pit around the concrete foundation, and the concrete foundation Set in the reinforcement cage; the reinforcement cage is made of the main reinforcement and the stirrup by binding wires, and there is also a "V"-shaped reinforcement between two adjacent main reinforcements, and one section of the "V"-shaped reinforcement is fixed on the reinforcement by wire binding On the cage, another section extends upwards slopingly to contact with the side wall of the pile protection pit. The construction method of the pile foundation protection pile includes: 1) prefabrication of the protection pile; 2) binding of the reinforcement cage; 3) excavation of the protection pile pit; 4) backfilling with fine sand; 5) installation of the reinforcement cage; 6) installation of the concrete base; 7) backfilling After the soil is compacted. Adopting the above structure and method can improve the stability of the retaining pile, avoid the situation of inclination and instability of the retaining pile, and can also ensure high stability at the site where mechanical and manual activities are frequent, and provide favorable conditions for pile foundation construction.

The invention discloses a parapet wall device used for building construction. The parapet wall device comprises a left supporting column (10) and a right supporting column (11). A supporting cross rod (7) is connected between the left supporting column (10) and the right supporting column (11). The left end of the supporting cross rod (7) penetrates through the left supporting column (10) and extends out of the left side of the left supporting column (10). The right end of the supporting cross rod (7) penetrates through the right supporting column (11) and extends out of the right side of the right supporting column (11). The left end and the right end of the supporting cross rod (7) are fixedly connected with the left supporting column (10) and the right supporting column (11) through locking nuts (9) correspondingly and are provided with external threads (8) matched with the locking nuts (9). Two or more wall plates (1) are sequentially arranged on the supporting cross rod (7).