CN110936491A - Manufacturing process of prefabricated cement telegraph pole - Google Patents
Manufacturing process of prefabricated cement telegraph pole Download PDFInfo
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- CN110936491A CN110936491A CN201911280948.6A CN201911280948A CN110936491A CN 110936491 A CN110936491 A CN 110936491A CN 201911280948 A CN201911280948 A CN 201911280948A CN 110936491 A CN110936491 A CN 110936491A
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- base
- steel bar
- jack catch
- shaped
- inner clamping
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B21/00—Methods or machines specially adapted for the production of tubular articles
- B28B21/56—Methods or machines specially adapted for the production of tubular articles incorporating reinforcements or inserts
- B28B21/60—Methods or machines specially adapted for the production of tubular articles incorporating reinforcements or inserts prestressed reinforcements
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
- E04H12/00—Towers; Masts or poles; Chimney stacks; Water-towers; Methods of erecting such structures
- E04H12/02—Structures made of specified materials
- E04H12/12—Structures made of specified materials of concrete or other stone-like material, with or without internal or external reinforcements, e.g. with metal coverings, with permanent form elements
Abstract
The invention discloses a manufacturing process of a prefabricated cement telegraph pole, which relates to the technical field of electric power construction equipment and comprises the following steps: s1, material preparation, namely selecting two straight rod-shaped steel bars with different lengths as steel bar framework materials for manufacturing the cement telegraph pole, wherein the long straight rod-shaped steel bar is used as a main bar, and the short straight rod-shaped steel bar is used as a stirrup; s2, fixing the framework, namely fixing the straight rod-shaped main ribs selected in the step S1 at equal intervals to enable the straight rod-shaped main ribs to surround into a circle at equal intervals; and S3, skeleton welding, namely welding and fixing the main reinforcements surrounding into a circle at equal intervals in the step S2, and welding stirrups perpendicular to the two adjacent reinforcements to fix the positions of the two adjacent main reinforcements. The invention controls the position of the main ribs arranged in the reinforcing steel bar fixing holes through the axial movement of the bolts, and independently adjusts the position of each main rib which is enclosed into a circle at equal intervals according to the circumference, thereby being convenient for controlling the diameter of the reinforcing steel bar framework enclosed into a circle.
Description
Technical Field
The invention relates to the technical field of electric power construction equipment, in particular to a manufacturing process of a prefabricated cement telegraph pole.
Background
The telegraph pole is just a pole for erecting the electric wire, appears in various rural areas, fields, roads and streets, is one of important infrastructures in the early China, various telegraph poles in the early days are started from wood poles, even comprises high-voltage wire poles with not too high voltage levels, and later, due to the development and technical requirements of steel and reinforced concrete, the two materials replace most of the wood poles, and applicable wood is gradually scarce, so that the wood poles are basically difficult to see in the city.
The conventional telegraph pole is formed by pouring reinforcing steel bars and concrete, a plurality of reinforcing steel bars are welded into a reinforcing steel bar framework, the reinforcing steel bar framework and the concrete are poured into a cavity for forming the telegraph pole, and the reinforcing steel bar framework is wrapped in the concrete after the concrete is solidified, so that the structural strength of the telegraph pole is improved.
In the prior art, patent No. CN201511029152.5 discloses a seam welder for a steel reinforcement framework, a method for manufacturing a steel reinforcement framework, and a method for manufacturing a square pile, where the seam welder includes a fixed rotary electrode mechanism, a fixed stationary electrode mechanism disposed below the fixed rotary electrode mechanism and used for welding and positioning a non-prestressed main reinforcement and isolating and guiding a steel strand, and a traction frame disposed behind the fixed stationary electrode mechanism and used for drawing the non-prestressed main reinforcement and the steel strand; the manufacturing method of the steel reinforcement framework adopts the seam welder to weld and position the non-prestressed main reinforcement and the stirrup and synchronously pull the steel strand; the method for manufacturing the prestressed concrete square pile comprises the steps of manufacturing a steel reinforcement framework, tensioning steel strands, pouring concrete, maintaining and releasing the steel strands. The seam welder disclosed by the invention is convenient and quick to manufacture the steel reinforcement framework and the square pile, and is high in production efficiency.
The manufacturing method of the steel reinforcement framework disclosed by the patent still has some defects in actual use, and the specific defects are as follows:
one, framework of steel reinforcement is when the welding, need press many main muscle to equidistant fixed according to the circumference, make many straight rod-like main muscle equidistant enclose into the round to behind the concrete placement framework of steel reinforcement, bellied framework of steel reinforcement can not appear on the wire pole surface, current, carry out the fixing process to framework of steel reinforcement main muscle, need press from both sides tight fixedly to each main muscle, make to main muscle fixed complex operation, and be difficult to control main muscle and enclose into the round according to the circumference equidistant.
Disclosure of Invention
Aiming at the problems in the prior art, the invention aims to provide a manufacturing process of a prefabricated cement telegraph pole, and solves the technical problems that in the process of fixing main bars of a steel reinforcement framework, each main bar needs to be clamped and fixed, so that the main bar is complicated to fix and operate, and the main bars are difficult to control to surround into a circle at equal intervals along the circumference.
The technical problem to be solved by the invention is realized by adopting the following technical scheme: a manufacturing process of a prefabricated cement telegraph pole comprises the following steps:
s1, material preparation, namely selecting two straight rod-shaped steel bars with different lengths as steel bar framework materials for manufacturing the cement telegraph pole, wherein the long straight rod-shaped steel bar is used as a main bar, and the short straight rod-shaped steel bar is used as a stirrup;
s2, fixing the framework, namely fixing the straight rod-shaped main ribs selected in the step S1 at equal intervals to enable the straight rod-shaped main ribs to surround into a circle at equal intervals;
s3, skeleton welding, namely welding and fixing the main reinforcements which are surrounded into a circle at equal intervals in the step S2, welding stirrups which are perpendicular to the two adjacent reinforcements between the two adjacent reinforcements to fix the positions between the two adjacent main reinforcements, and connecting the main reinforcements which are surrounded into a circle at equal intervals through the stirrups to form a reinforcement skeleton;
s4, cooling the framework, namely exposing the welded steel reinforcement framework in the step S3 in the air and naturally cooling the steel reinforcement framework along with the air to finish the manufacture of the steel reinforcement framework of the cement telegraph pole;
s5, stirring and pouring for molding, namely putting the steel reinforcement framework manufactured in the step S4 into a cavity for molding the telegraph pole, pouring concrete into the cavity, and solidifying the concrete in the cavity to form the cement telegraph pole;
the prefabricated cement telegraph pole manufacturing process in the steps S1-S5 is used for fixing a steel bar framework in a cement telegraph pole, and particularly relates to a prefabricated cement telegraph pole steel bar framework fixing device which comprises a base, wherein the base is horizontally fixed, supporting leg supports are arranged at the bottom end of the base, a first supporting frame and a second supporting frame which are identical in structure are arranged at the top end of the base, the first supporting frame is vertically fixed at the top end of the base, the second supporting frame is vertically arranged at the top end of the base, the first supporting frame and the second supporting frame are oppositely arranged at the top end of the base, a sliding block is arranged at the bottom end of the second supporting frame, a sliding groove is formed in the top end of the base and close to the right side wall of the base, the sliding block is embedded in the sliding groove in a sliding fit mode, and a through threaded hole is formed in the middle of the sliding block, the right side wall of the base is provided with an electric motor, an output shaft of the electric motor is connected with a lead screw, and the other end of the lead screw penetrates through a threaded hole in the middle of the sliding block;
the first support frame is disc-shaped and comprises reinforcing steel bar fixing holes, the reinforcing steel bar fixing holes are rectangular holes, the number of the reinforcing steel bar fixing holes is multiple, the reinforcing steel bar fixing holes are distributed around the axis of the first support frame at equal intervals, each reinforcing steel bar fixing hole penetrates through two ends of the first support frame, a disc-shaped inner clamping seat is arranged at the axis position of the left end of the first support frame, the inner clamping seat is of a convex disc structure, sliding holes distributed at equal intervals are formed in the outer circular surface of the inner clamping seat, a slidable inner clamping rod is embedded in each sliding hole, the top end of each inner clamping rod points to the corresponding reinforcing steel bar fixing hole, a transmission case in the shape of a circular groove is arranged inside the inner clamping seat, the bottom end of each inner clamping rod penetrates through the sliding holes and extends into the transmission case, and a rotatable shaft rod is arranged at the circle center of the transmission case, the outer circular surface of the shaft lever is provided with disc-shaped shifting wheel teeth, the outer circular surface of the shifting wheel teeth is provided with arc-shaped teeth which are distributed at equal intervals according to the circumference, and the convex surfaces of the arc-shaped teeth are connected with the bottom end of the inner clamping rod extending into the transmission case in a sliding manner;
the top end of the shaft rod penetrates through the inner clamping seat to extend out of the left end face of the inner clamping seat, and a disc-shaped adjusting knob is mounted at the top end of the shaft rod extending out of the left end face of the inner clamping seat.
As a preferred technical solution of the present invention, an outer circumferential surface of the first support frame is provided with an outer clamping seat corresponding to the reinforcing steel bar fixing hole, and the outer clamping seat includes: base, second base, base and second base upright are fixed in the left side wall of outer grip slipper, and the base is opposition setting with the second base at the left side wall of outer grip slipper, the middle part of base is equipped with the screw hole, the threaded hole of base installs the bolt, the middle part of second base is equipped with the quad slit that link up, it has the outer clamping rod of square rod shape to imbed through the sliding fit mode in the quad slit of second base, the top of outer clamping rod points to in the reinforcing bar fixed orifices that corresponds.
As a preferable technical scheme of the invention, the top end of the outer clamping rod is provided with a jaw groove with a V-shaped structure, two sides of the top end of the jaw groove are provided with notches, movable jaws are hinged in the notches at the two sides of the jaw groove, the bottom ends of the movable jaws at the two sides extend into the jaw groove, the root of the movable jaw extending into the jaw groove is hinged on a hinge fulcrum shaft, two ends of the hinge fulcrum shaft are fixed in the jaw groove, and a tension spring is connected between the movable jaws at the two sides extending into the jaw groove.
As a preferable technical scheme of the invention, the top end of the inner clamping rod is provided with a jaw groove with a V-shaped structure, two sides of the top end of the jaw groove are provided with notches, movable jaws are hinged in the notches at the two sides of the jaw groove, the bottom ends of the movable jaws at the two sides extend into the jaw groove, the root of the movable jaw extending into the jaw groove is hinged on a hinge fulcrum shaft, two ends of the hinge fulcrum shaft are fixed in the jaw groove, and a tension spring is connected between the movable jaws at the two sides extending into the jaw groove.
As a preferred technical scheme of the invention, the outer circular surface of the adjusting knob is symmetrically provided with brake pads, the top end of each brake pad is attached to the adjusting knob, the outer circular surface of the adjusting knob is symmetrically provided with a fixing plate vertically fixed on the inner clamping seat, the middle part of the fixing plate on each side is provided with a through round hole, the outer side wall of each brake pad is provided with a guide rod, the guide rod penetrates through the round hole of the fixing plate in a sliding fit manner, a pressure spring is arranged between the brake pads and the fixing plate, and the pressure spring is arranged on the outer wall of the guide rod.
As a preferable technical scheme of the invention, the bottom end of the inner clamping rod extending into the transmission box is hinged with a roller.
Compared with the prior art, the invention at least comprises the following beneficial effects:
first, the invention is equipped with the first support frame and the second support frame with the same structure on the top of the base, and the first support frame and the second support frame are equipped with the reinforcing bar fixing holes distributed equidistantly, the two ends of each main reinforcing bar are fixed in the reinforcing bar fixing holes of the first support frame and the reinforcing bar fixing holes of the second support frame, the main reinforcing bar is fixed, the disc-shaped inner clamping seat is equipped on the axle center position of the first support frame and the axle center position of the second support frame, the dial wheel teeth are driven to rotate in the transmission case by rotating the adjusting knob on the inner clamping seat, the dial wheel teeth push each clamping rod in the transmission case to synchronously slide in the sliding hole, the main reinforcing bar in the reinforcing bar fixing hole is clamped by the top end of the inner clamping rod, the operation simplicity of clamping and fixing each main reinforcing bar is improved, the plurality of reinforcing bar fixing holes are distributed equidistantly around the axle center of the first support frame, so that the main reinforcing bars fixed on the first support frame and the second support frame are encircled into, the raised steel bar framework is prevented from appearing on the surface of the formed telegraph pole, and the attractiveness of the formed telegraph pole structure is improved.
The outer circle surface of the first support frame is provided with an outer clamping seat corresponding to the steel bar fixing holes, a slidable outer clamping rod is embedded in a second base of the outer clamping seat, the top end of the outer clamping rod points to the corresponding steel bar fixing holes, main bars placed in the steel bar fixing holes are clamped and fixed through mutual sliding between the outer clamping rod and the inner clamping rod, the positions of the main bars installed in the steel bar fixing holes are controlled through axial movement of bolts, the positions of each main bar which is circumferentially and equidistantly encircled to form a circle are independently adjusted, and the diameter of a steel bar framework which is encircled to form a circle is convenient to control.
And the movable clamping jaws at the top ends of the outer clamping rods and the inner clamping rods can be clamped towards the middle by pulling of the tension springs, and can be self-adaptively adjusted according to the diameters of the main ribs by the aid of tension generated by the tension springs, so that the main ribs placed in the reinforcing steel bar fixing holes are clamped by the movable clamping jaws, and the position firmness of the main ribs in the reinforcing steel bar fixing holes is improved.
Drawings
The invention is further illustrated with reference to the following figures and examples.
Fig. 1 is a front view of the reinforcement cage of the present invention secured to a first support frame and a second support frame;
fig. 2 is a top view of the steel reinforcement cage of the present invention fixed to the first support frame and the second support frame;
FIG. 3 is a schematic structural view of a right end face of the first support bracket of the present invention;
FIG. 4 is a schematic structural view of a right end face of the first support frame according to the present invention;
FIG. 5 is a schematic cross-sectional view of the inner holder of the present invention on the right end surface of the first support frame;
FIG. 6 is an enlarged view of a portion of the structure of FIG. 5;
FIG. 7 is a schematic structural view of the adjusting knob installed on the left end surface of the inner clamping seat according to the present invention;
fig. 8 is a process flow diagram of a process for making a prefabricated cement pole of the present invention;
in the figure: 1. the base, 2, first support frame, 201, interior clamping seat, 202, reinforcing bar fixed orifices, 203, interior clamping rod, 204, slide opening, 205, base, 206, bolt, 207, outer clamping seat, 208, outer clamping rod, 209, second base, 210, adjust knob, 211, brake block, 212, pressure spring, 213, fixed plate, 214, guide bar, 215, thumb wheel tooth, 216, axostylus axostyle, 217, activity jack catch, 218, hinge fulcrum axle, 219, extension spring, 220, jack catch groove, 221, gyro wheel, 222, transmission case, 3, second support frame, 4, motor, 5, supporting leg, 6, spout, 7, lead screw, 8, slider.
Detailed Description
The embodiments of the invention will be described in detail below with reference to the drawings, but the invention can be implemented in many different ways as defined and covered by the claims.
In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further explained below by combining the specific drawings.
It will be understood that when an element is referred to as being "secured to" another element, it can be on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and similar expressions are used herein for illustrative purposes only and do not represent the only embodiments.
Example 1
Referring to fig. 1-8, a schematic diagram of the overall structure of a process for making a prefabricated concrete pole is shown.
A manufacturing process of a prefabricated cement telegraph pole comprises the following steps:
s1, material preparation, namely selecting two straight rod-shaped steel bars with different lengths as steel bar framework materials for manufacturing the cement telegraph pole, wherein the long straight rod-shaped steel bar is used as a main bar, and the short straight rod-shaped steel bar is used as a stirrup;
s2, fixing the framework, namely fixing the straight rod-shaped main ribs selected in the step S1 at equal intervals to enable the straight rod-shaped main ribs to surround into a circle at equal intervals;
s3, skeleton welding, namely welding and fixing the main reinforcements which are surrounded into a circle at equal intervals in the step S2, welding stirrups which are perpendicular to the two adjacent reinforcements between the two adjacent reinforcements to fix the positions between the two adjacent main reinforcements, and connecting the main reinforcements which are surrounded into a circle at equal intervals through the stirrups to form a reinforcement skeleton;
s4, cooling the skeleton, namely exposing the welded reinforcement skeleton in the step S3 in the air to naturally cool the reinforcement skeleton along with the air, cooling the welding point of the reinforcement skeleton, and cooling the temperature of the welding point of the reinforcement skeleton to normal temperature to finish the manufacturing of the reinforcement skeleton of the cement telegraph pole;
and S5, stirring and pouring for molding, namely putting the steel reinforcement framework manufactured in the step S4 into a cavity for molding the telegraph pole, pouring concrete into the cavity, solidifying the concrete in the cavity to form the cement telegraph pole, wherein the cavity is a type of groove formed in a mold for producing the telegraph pole and used for solidifying and molding the concrete to form the required cement telegraph pole.
The precast cement telegraph pole manufacturing process described in the above steps S1-S5, in the process of fixing the steel reinforcement framework in the cement telegraph pole, in particular to a precast cement telegraph pole steel reinforcement framework fixing device, which comprises a base 1, wherein the base 1 is horizontally fixed, the bottom end of the base 1 is provided with a support leg 5 for supporting, the top end of the base 1 is provided with a first support frame 2 and a second support frame 3 which have the same structure, the first support frame 2 is vertically fixed at the top end of the base 1, the second support frame 3 is vertically arranged at the top end of the base 1, the first support frame 2 and the second support frame 3 are oppositely arranged at the top end of the base 1, the bottom end of the second support frame 3 is provided with a slide block 8, the slide block 8 is a trapezoidal block, the slide groove 6 is arranged at the top end of the base 1 and close to the right side wall of the base 1, and, the sliding block 8 is embedded in the sliding groove 6 in a sliding fit mode, a through threaded hole is formed in the middle of the sliding block 8, the motor 4 is installed on the right side wall of the base 1, a lead screw 7 is connected to an output shaft of the motor 4, and the other end of the lead screw 7 penetrates through the threaded hole in the middle of the sliding block 8; the third support frame 3 is driven to horizontally slide left and right on the top end of the base 1, and the welded steel reinforcement framework is convenient to disassemble.
The first support frame 2 is disc-shaped, the first support frame 2 comprises reinforcing steel bar fixing holes 202, the reinforcing steel bar fixing holes 202 are rectangular holes, a plurality of reinforcing steel bar fixing holes 202 are arranged, the reinforcing steel bar fixing holes are distributed around the axis of the first support frame 2 at equal intervals, each reinforcing steel bar fixing hole 202 penetrates through two ends of the first support frame 2, a disc-shaped inner clamping base 201 is arranged at the axis position of the left end of the first support frame 2, the inner clamping base 201 is of a convex disc structure, sliding holes 204 distributed at equal intervals are formed in the outer circumferential surface of the inner clamping base 201, the sliding holes 204 correspond to the reinforcing steel bar fixing holes 202 one by one, sliding inner clamping rods 203 are embedded into each sliding hole 204, the top end of each inner clamping rod 203 points to the corresponding reinforcing steel bar fixing hole 202, reinforcing steel bars are inserted into the reinforcing steel bar fixing holes 202 of the first support frame 2 and the second support frame 3, the reinforcing steel bars are fixed at equal intervals circumferentially through the first support frame 2 and the second support frame, the welding of being convenient for improves the firm in connection nature of reinforcing bar. A transmission case 222 in a shape of a circular groove is arranged inside the inner clamping base 201, the bottom end of each inner clamping rod 203 penetrates through the sliding hole 204 and extends into the transmission case 222, a rotatable shaft rod 216 is arranged at the position of the center of the transmission case 222, a circular disc-shaped thumb wheel tooth 215 is arranged on the outer circular surface of the shaft rod 216, arc-shaped teeth distributed at equal intervals according to the circumference are arranged on the outer circular surface of the thumb wheel tooth 215, and the convex surfaces of the arc-shaped teeth are connected with the bottom end of the inner clamping rod 203 extending into the transmission case 222 in a sliding manner; wherein, the bottom end of the inner clamping rod 203 extending into the transmission box 222 can be hinged with a roller 221, and the inner clamping rod is clamped through the roller 221.
The top end of the shaft rod 216 passes through the inner clamping base 201 and extends out towards the left end face of the inner clamping base 201, and the disc-shaped adjusting knob 210 is installed at the top end of the shaft rod 216 extending out of the left end face of the inner clamping base 201.
The invention is provided with a first support frame 2 and a second support frame 3 with the same structure at the top end of a base 1, and rectangular reinforcing steel bar fixing holes 202 are equidistantly distributed on the first support frame 2 and the second support frame 3, so that each main reinforcing steel bar can pass through the reinforcing steel bar fixing holes 202 of the first support frame 2 and the second support frame 3 to fix the position of the main reinforcing steel bar, disc-shaped inner clamping seats 201 are arranged at the axle center position of the first support frame 2 and the axle center position of the second support frame 3, a shifting wheel tooth 215 is driven to rotate in a transmission box 222 by rotating an adjusting knob 210 on the inner clamping seats 201, the shifting wheel tooth 215 pushes all clamping rods 203 in the transmission box 222 to synchronously slide in a sliding hole 204, the main reinforcing steel bars in the reinforcing steel bar fixing holes 202 are clamped by the top ends of the inner clamping rods 203, the operation simplicity of clamping and fixing each main reinforcing steel bar is improved, the plurality of reinforcing steel bar fixing holes 202 are equidistantly distributed around the axle center of the first, the main reinforcements fixed on the first support frame 2 and the second support frame 3 are enabled to surround a circle at equal intervals according to the circumference, so that a raised steel reinforcement framework is prevented from appearing on the surface of the formed telegraph pole, and the structure attractiveness of the telegraph pole is improved.
The outer circle surface of a first support frame 2 is provided with an outer clamping seat 207 corresponding to a steel bar fixing hole 202, a slidable outer clamping rod 208 is embedded in a second base of the outer clamping seat 207, the top end of the outer clamping rod 208 points to the corresponding steel bar fixing hole 202, main bars penetrating through the steel bar fixing hole 202 are clamped and fixed through mutual sliding between the outer clamping rod and the inner clamping rod, the position of the main bars installed in the steel bar fixing hole 202 is controlled through axial movement of a bolt 206, the position of each main bar which is circumferentially and equidistantly enclosed into a circle is independently adjusted, and the diameter of a steel bar framework which is circumferentially enclosed into a circle is conveniently controlled.
The outer circle surface of the first support frame 2 is provided with outer clamping seats 207 corresponding to the reinforcing steel bar fixing holes 202, and the outer clamping seats 207 are fixed on the circumference surface of the first support frame 2 at equal intervals; the outer holder 207 includes: base 205, second base 209, base 205 and second base 209 are upright to be fixed in the left side wall of outer grip slipper 207, and base 205 and second base 209 are opposition setting at the left side wall of outer grip slipper 207, base 205 sets up in the outside of outer grip slipper 207, the middle part of base 205 is equipped with the screw hole, install bolt 206 in the screw hole of base 205, the middle part of second base 209 is equipped with the quad slit that link up, it has square shaft-shaped outer clamping rod 208 to imbed through the sliding fit mode in the quad slit of second base 209, the top of outer clamping rod 208 points to in the reinforcing bar fixed orifices 202 that corresponds.
The top end of the outer clamping rod 208 is provided with a jaw groove 220 with a V-shaped structure, two sides of the top end of the jaw groove 220 are provided with notches, two side notches of the jaw groove 220 are internally hinged with movable jaws 217, the bottom ends of the movable jaws 217 at two sides extend into the jaw groove 220, the root parts of the movable jaws 217 extending into the jaw groove 220 are hinged on a hinge fulcrum 218, two ends of the hinge fulcrum 218 are fixed in the jaw groove 220, and a tension spring 219 is connected between the movable jaws 217 at two sides extending into the jaw groove 220.
The top end of the inner clamping rod 203 is provided with a jaw groove 220 with a V-shaped structure, two sides of the top end of the jaw groove 220 are provided with notches, two side notches of the jaw groove 220 are internally hinged with movable jaws 217, the bottom ends of the movable jaws 217 at two sides extend into the jaw groove 220, the root parts of the movable jaws 217 extending into the jaw groove 220 are hinged on a hinge fulcrum shaft 218, two ends of the hinge fulcrum shaft 218 are fixed in the jaw groove 220, and a tension spring 219 is connected between the movable jaws 217 at two sides extending into the jaw groove 220.
The movable clamping jaws 217 are hinged to the top ends of the outer clamping rod 208 and the inner clamping rod 203 respectively, the movable clamping jaws 217 are pulled by the tension spring 219, so that the movable clamping jaws 217 can be clamped towards the middle at the top ends of the outer clamping rod 208 and the inner clamping rod 203, the movable clamping jaws 217 at the top ends of the outer clamping rod 208 and the inner clamping rod 203 can be adaptively adjusted according to the diameter of the main rib by the tension force generated by the tension spring 219, and the main rib penetrating through the steel bar fixing hole 202 is clamped by the movable clamping jaws, so that the position firmness of the main rib in the steel bar fixing hole 202 is improved.
The left end of interior grip slipper 201 is provided with adjust knob 210, adjust knob 210's outer disc is equipped with friction line, adjust knob 210's outer disc symmetry installs brake pad 211, the laminating face of the top of the brake pad 211 of each side and adjust knob 210 laminating is equipped with the curved surface, the brake pad 211 top of each side and the laminating of adjust knob 210, the left and right sides wall of brake pad 211 is equipped with the concave surface, it holds to be convenient for artifical finger to hold between the fingers, adjust knob 210's outer disc symmetry is equipped with the fixed plate 213 that is fixed in interior grip slipper 201, the fixed plate 213 middle part of each side is equipped with the round hole that link up, the lateral wall of brake pad 211 is equipped with guide bar 214, guide bar 214 passes the round hole of fixed plate 213 through sliding fit, be provided with pressure spring 212 between brake pad 211 and the fixed.
The brake block 211 is in contact with the outer circular surface of the adjusting knob 210 through the elastic force of the pressure spring 212, the adjusting knob 210 can be self-locked when being rotated to any position through the brake block 211, and the brake block 211 is symmetrically arranged on the outer circular surface of the adjusting knob 210 and is attached to the outer circular surface of the adjusting knob, so that the friction force on the adjusting knob 210 is improved, and the self-locking of the adjusting knob 210 is improved.
The working principle is as follows: when the prefabricated cement telegraph pole steel bar framework fixing device provided in the prefabricated cement telegraph pole manufacturing process is used, firstly, two ends of each main steel bar are inserted into the steel bar fixing holes 202 of the first support frame 2 and the second support frame 3, secondly, bolts 206 on the outer clamping seats 207 corresponding to the steel bar fixing holes 202 are adjusted according to the diameter of the required steel bar framework, then, the adjusting knobs 210 on the inner clamping seats 201 are rotated to drive the shifting wheel teeth 215 to rotate in the transmission boxes 222, the shifting wheel teeth 215 push the clamping rods 203 in the transmission boxes 222 to synchronously slide in the sliding holes 204, the main steel bars are pushed to slide in the steel bar fixing holes 202 through the top ends of the inner clamping rods 203, the main steel bars are clamped and fixed by the movable clamping claws 217 at the top ends of the inner clamping rods 203 and the movable clamping claws 217 at the top ends of the outer clamping rods 208, the adjusting knobs 210 are locked and fixed through the brake blocks 211, and finally, the prefabricated cement telegraph pole steel bar framework fixing device is used for enclosing a plurality of straight steel bars, the stirrups are welded between two adjacent steel bars manually through a welding gun, so that the positions of the two adjacent main bars are fixed, and the steel reinforcement framework is completed through fixing the positions of the main bars.
The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are given by way of illustration of the principles of the present invention, and that various changes and modifications may be made without departing from the spirit and scope of the invention as defined by the appended claims. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (6)
1. A manufacturing process of a prefabricated cement telegraph pole is characterized by comprising the following steps:
s1, material preparation, namely selecting two straight rod-shaped steel bars with different lengths as steel bar framework materials for manufacturing the cement telegraph pole, wherein the long straight rod-shaped steel bar is used as a main bar, and the short straight rod-shaped steel bar is used as a stirrup;
s2, fixing the framework, namely fixing the straight rod-shaped main ribs selected in the step S1 at equal intervals to enable the straight rod-shaped main ribs to surround into a circle at equal intervals;
s3, skeleton welding, namely welding and fixing the main reinforcements which are surrounded into a circle at equal intervals in the step S2, welding stirrups which are perpendicular to the two adjacent reinforcements between the two adjacent reinforcements to fix the positions between the two adjacent main reinforcements, and connecting the main reinforcements which are surrounded into a circle at equal intervals through the stirrups to form a reinforcement skeleton;
s4, cooling the framework, namely exposing the welded steel reinforcement framework in the step S3 in the air and naturally cooling the steel reinforcement framework along with the air to finish the manufacture of the steel reinforcement framework of the cement telegraph pole;
s5, stirring and pouring for molding, namely putting the steel reinforcement framework manufactured in the step S4 into a cavity for molding the telegraph pole, pouring concrete into the cavity, and solidifying the concrete in the cavity to form the cement telegraph pole;
the prefabricated cement telegraph pole manufacturing process in the steps S1-S5 is used for fixing a steel bar framework in a cement telegraph pole, and particularly relates to a prefabricated cement telegraph pole steel bar framework fixing device which comprises a base, wherein the base is horizontally fixed, supporting leg supports are arranged at the bottom end of the base, a first supporting frame and a second supporting frame which are identical in structure are arranged at the top end of the base, the first supporting frame is vertically fixed at the top end of the base, the second supporting frame is vertically arranged at the top end of the base, the first supporting frame and the second supporting frame are oppositely arranged at the top end of the base, a sliding block is arranged at the bottom end of the second supporting frame, a sliding groove is formed in the top end of the base and close to the right side wall of the base, the sliding block is embedded in the sliding groove in a sliding fit mode, and a through threaded hole is formed in the middle of the sliding block, the right side wall of the base is provided with an electric motor, an output shaft of the electric motor is connected with a lead screw, and the other end of the lead screw penetrates through a threaded hole in the middle of the sliding block;
the first support frame is disc-shaped and comprises reinforcing steel bar fixing holes, the reinforcing steel bar fixing holes are rectangular holes, the number of the reinforcing steel bar fixing holes is multiple, the reinforcing steel bar fixing holes are distributed around the axis of the first support frame at equal intervals, each reinforcing steel bar fixing hole penetrates through two ends of the first support frame, a disc-shaped inner clamping seat is arranged at the axis position of the left end of the first support frame, the inner clamping seat is of a convex disc structure, sliding holes distributed at equal intervals are formed in the outer circular surface of the inner clamping seat, a slidable inner clamping rod is embedded in each sliding hole, the top end of each inner clamping rod points to the corresponding reinforcing steel bar fixing hole, a transmission case in the shape of a circular groove is arranged inside the inner clamping seat, the bottom end of each inner clamping rod penetrates through the sliding holes and extends into the transmission case, and a rotatable shaft rod is arranged at the circle center of the transmission case, the outer circular surface of the shaft lever is provided with disc-shaped shifting wheel teeth, the outer circular surface of the shifting wheel teeth is provided with arc-shaped teeth which are distributed at equal intervals according to the circumference, and the convex surfaces of the arc-shaped teeth are connected with the bottom end of the inner clamping rod extending into the transmission case in a sliding manner;
the top end of the shaft rod penetrates through the inner clamping seat to extend out of the left end face of the inner clamping seat, and a disc-shaped adjusting knob is mounted at the top end of the shaft rod extending out of the left end face of the inner clamping seat.
2. The process for making a prefabricated cement pole according to claim 1, wherein: the outer disc of first support frame is equipped with the outer holder that corresponds with the reinforcing bar fixed orifices, outer holder includes: base, second base, base and second base upright are fixed in the left side wall of outer grip slipper, and the base is opposition setting with the second base at the left side wall of outer grip slipper, the middle part of base is equipped with the screw hole, the threaded hole of base installs the bolt, the middle part of second base is equipped with the quad slit that link up, it has the outer clamping rod of square rod shape to imbed through the sliding fit mode in the quad slit of second base, the top of outer clamping rod points to in the reinforcing bar fixed orifices that corresponds.
3. The process for making a prefabricated cement pole according to claim 2, wherein: the top of outer clamping rod is equipped with the jack catch groove of V-arrangement structure, the notch has been seted up to the top both sides in jack catch groove, it has movable jack catch to articulate in the both sides notch in jack catch groove, both sides movable jack catch bottom stretches into in the jack catch inslot, stretches into in the jack catch inslot movable jack catch root articulates on the hinge fulcrum shaft, the both ends of hinge fulcrum shaft are fixed in the jack catch inslot, stretch into in the both sides of jack catch inslot be connected with the extension spring between the movable jack catch.
4. The process for making a prefabricated cement pole according to claim 1, wherein: the top of interior clamping rod is equipped with the jack catch groove of V-arrangement structure, the notch has been seted up to the top both sides in jack catch groove, it has movable jack catch to articulate in the both sides notch in jack catch groove, both sides movable jack catch bottom stretches into in the jack catch inslot, stretches into in the jack catch inslot movable jack catch root articulates on the hinge fulcrum shaft, the both ends of hinge fulcrum shaft are fixed in the jack catch inslot, stretch into in the both sides of jack catch inslot be connected with the extension spring between the movable jack catch.
5. The process for making a prefabricated cement pole according to claim 1, wherein: the brake pad is installed to adjust knob's outer disc symmetry, on each side brake pad top and adjust knob laminating, adjust knob's outer disc symmetry is equipped with the vertical fixed plate that is fixed in interior grip slipper, on each side the fixed plate middle part is equipped with the round hole that link up, the lateral wall of brake pad is equipped with the guide bar, and the round hole that the fixed plate was passed through the sliding fit mode to the guide bar, be provided with the pressure spring between brake pad and the fixed plate, the outer wall at the guide bar is installed to the pressure spring.
6. The process for making a prefabricated cement pole according to claim 1, wherein: the bottom end of the inner clamping rod extending into the transmission box is hinged with a roller.
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| CN110936491B (en) | 2021-04-06 |
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