CN107740583B

CN107740583B - Beam bottom bar planting and feeding device and using method thereof

Info

Publication number: CN107740583B
Application number: CN201710837716.0A
Authority: CN
Inventors: 宫振军; 孙叔庆; 尹茂国; 岳齐贤
Original assignee: Zhejiang 20 Smelter Construction Co ltd; China MCC20 Group Corp Ltd
Current assignee: Zhejiang 20 Smelter Construction Co ltd; China MCC20 Group Corp Ltd
Priority date: 2017-09-18
Filing date: 2017-09-18
Publication date: 2023-10-20
Anticipated expiration: 2037-09-18
Also published as: CN107740583A

Abstract

The invention belongs to the technical field of construction engineering and provides a beam bottom bar planting bar feeder and a using method thereof, wherein the beam bottom bar planting bar feeder comprises two parts, namely a bar feeding component and an extension piece, the bar feeding component comprises a support frame, a lever device, a bar fixing device, a clamping support and a connecting bolt, the extension piece comprises a standard joint and an expansion joint, and the beam bottom bar planting bar feeder is used according to design requirements.

Description

Beam bottom bar planting and feeding device and using method thereof

Technical Field

The invention belongs to the technical field of building engineering construction, and particularly relates to a beam bottom bar planting and feeding device and a using method thereof.

Background

Reinforced concrete anchoring techniques are generally divided into two types, one being pre-embedded anchoring techniques and the other being post-anchoring techniques. The chemical reinforcing bar and screw, for short, the reinforcing bar is one kind of component for anchoring connected part.

The original reinforcement technology is less in use in the construction of concrete and reinforced concrete, and the reinforcement technology is fast in development along with the comprehensive expansion of old house reconstruction, the increase of structural reinforcement engineering and the popularization of building decoration, and the application field is developed into building reconstruction, expansion, earthquake-resistant reinforcement and equipment installation from the original building installation and internal and external decoration.

The bar planting technology has a plurality of advantages: (1) Because the lengths of the chemical steel bar and the long screw rod are not limited, the method is similar to the embedded steel bar in cast-in-place concrete, the damage form is easy to control, and the method can be generally controlled to be the damage of the steel bar of the anchor bar, so that the method not only can be used for the anchoring connection of non-structural members, but also is suitable for the anchoring connection of structural members with static force and earthquake-proof fortification intensity less than or equal to 8; (2) The structure can meet the stress requirement only by the procedures of positioning, drilling, hole cleaning, grouting and bar planting according to the reinforced design file at the position where the original structure needs to be reinforced, so that a large amount of cutting is not needed in the whole process, the damage to the original structure is reduced, and the workload of reinforcing and reforming engineering is reduced; (3) The anchoring effect of the bar planting glue on the steel bars is not to resist external load by tension generated by tension and friction between the steel bars and the base material, but to effectively anchor the steel bars and the base material by using the bonding force between the bar planting glue and the base material. Therefore, the bar planting technology is widely applied to the stress bar anchoring of various building structures such as building and changing, the stress bar anchoring of beams, column heads, floors, shear walls and the like in the structure reinforcing engineering, and the screw anchoring of various auxiliary structures, mechanical equipment, pipelines, brackets and the like during the installation, and in the bar planting process, aiming at special parts, especially high-altitude positions such as beam bottoms, slab bottoms and the like, the operation frame is moved for each bar planting, so that the bar planting efficiency is low, the labor cost is increased, the construction progress is influenced, and through research on the prior literature, the research on the bar planting technology is concentrated in the aspects of drawing tests and stress mechanisms in the current engineering community, but no good solution is available at present in the aspect of the construction method for high-position bar planting.

Disclosure of Invention

Aiming at the current state of the art, the invention provides the beam bottom bar planting and feeding device and the use method thereof, which have the advantages of high construction efficiency, safe and controllable construction process and the like.

The technical scheme adopted for solving the technical problems is as follows: the utility model provides a beam bottom bar planting send muscle ware, its characterized in that, including sending muscle component and extension two parts, send the muscle component to include support frame, lever apparatus, reinforcing bar fixing device, block hold in the palm and connecting bolt, the section of support frame is a hollow shaped steel support of II type, opens at the support middle part has square hole for install lever apparatus, and the support bottom upwards has a screw hole, lever apparatus is reformed by a square steel and forms, and it is fixed in the support frame through the rotation axis, and heavy transmission end is 200mm apart from the rotation axis, and light atress end is 800mm apart from the rotation axis, and lever apparatus pulls lever apparatus, reinforcing bar fixing device's section is a sleeve that is the I shape and have solid end, upper end opening hollow, and the reinforcing bar of planting is put in the sleeve, block hold in the palm for welding in two steel sheets of support frame inner wall for hold in the aforesaid reinforcing bar fixing device, connecting bolt links to each other with the extension through the prefabricated hole of support frame bottom.

In the bar feeder for beam bottom bar planting, the section of the support frame is a II-type hollow steel support, the length of the support frame is 1600 millimeters (mm), the external section size is 150mm ×150mm, the wall thickness is 20mm, a square hole of 110mm ×110mm is formed in the middle of the support frame and used for installing a lever device, a threaded hole is formed in the position of 100mm upwards of the bottom of the support frame, the aperture is 20mm, and the pitch is 2mm.

In the beam bottom bar planting bar feeder, the extension piece comprises a standard joint and an expansion joint, the standard joint is 1600mm long, the section is a convex section steel bracket with openings at the upper end and the lower end, the external section size of the upper opening of the bracket is 110mm and 110mm, the wall thickness is 10mm, the internal section size of the lower opening is 110mm and 110mm, the wall thickness is 20mm, the upper opening and the lower opening are respectively provided with a hole with 20mm aperture, the screw pitch is 2mm, connecting bolts can be utilized between the standard joint and the standard joint, and between the standard joint and the expansion joint, and the connecting bolts can penetrate through the screw holes to be connected.

In the above-mentioned beam bottom bar planting send muscle ware, the telescopic joint includes base, external screw thread member and internal screw thread sleeve triplex, and the base passes through bolted connection with external screw thread member, and external screw thread member and internal screw thread sleeve interconnect, when the sleeve revolved to the end, flexible festival length 1600mm, the base size is 1000mm 200mm, and there are 13 screw holes altogether in peripheral and central point put, kong Gongchen diameter 42mm, pitch 4mm, and external screw thread member can be fixed respectively in these 13 screw hole positions.

In the beam bottom bar planting bar feeder, four corners of the bottom of the base are respectively provided with 1 wheel capable of rotating by 360 degrees, the nominal diameter of the cross section of the external thread rod piece is 110mm, the height is 800mm, the thread pitch is 8mm, the threads are arranged in a through length mode, the bottom of the external thread rod piece is provided with a threaded hole, the diameter is 42mm, the thread pitch is 4mm, the cross section of the internal thread sleeve is of a convex-shaped steel structure, the upper part of the internal thread sleeve is of a square, the outer cross section size is 110mm, the height is 200mm, the periphery of the side wall is respectively provided with a threaded hole, the aperture is 42mm, the standard section is connected with the expansion joint through the hole, the lower part of the standard section is round, the outer cross section is a circumcircle with the square cross section of the upper part of the square, the diameter is 156mm, the inner cross section is the internal circle with the square cross section of the upper part of the square, the threads are distributed in the height range of the internal cross section of 800mm, and the thread pitch is 8mm.

The invention also provides a construction method of the beam bottom bar planting and feeding device, which comprises the following steps:

step 1: drilling holes by using a drilling machine according to the drilling position, size and depth required by design, and cleaning dust in the holes;

step 2: and calculating the length of the required extension piece according to the height of the required bar planting position.

Step 3: rotating the handle N circles on the side wall of the internal thread sleeve, and adjusting the height of the telescopic joint in the extension piece to a proper position;

step 4: placing the steel bars with the surface treated and uniformly coated with the bar planting glue at a steel bar fixing device of a bar feeding component;

step 5: fixing the rib feeding component, the extension piece standard joint and the extension piece expansion joint together through connecting bolts in sequence;

step 6: moving the connected bar planting and feeding device back and forth to align the end of the steel bar with the drilled hole;

step 7: a rope at the end part of the lever device of the reinforcement feeding member is pulled, and the reinforcement fixing device is hammered to feed the reinforcement into the drill hole;

step 8: repeating the steps 1-7 until all the bar planting work is finished.

Compared with the prior art, the invention has the advantages that

(1) The beam bottom bar planting and feeding device has the advantages of simple structure, large-scale manufacturing on a construction site, convenience in use and fewer operators, thereby improving the construction progress;

(2) The beam bottom bar planting and feeding device has the advantages of simple construction method, high construction efficiency, small potential safety hazard and safe and controllable construction process.

Drawings

Fig. 1 is an overall view of a beam bottom bar planting and feeding device

FIG. 2 is a sectional view of a tendon feed member

FIG. 3 is a sectional view of a standard knot

FIG. 4 details of node 1 (data from node 2 in brackets)

FIG. 5 is an elevation view of an extension member expansion joint

FIG. 6 is a sectional view of a telescopic section of the telescopic joint

Figure 7 is a plan view of an extension member telescopic joint.

Description of the embodiments

The following are specific embodiments of the present invention and the technical solutions of the present invention will be further described with reference to the accompanying drawings, but the present invention is not limited to these embodiments.

As shown in figure 1, the beam bottom bar planting bar feeder comprises a bar feeding component 1 and an extension piece 2, wherein the bar feeding component 1 comprises a support frame 3, a lever device 4, a bar fixing device 5, a clamping support 6 and a connecting bolt 7, the support frame 3 is a II-shaped hollow steel support, the support is 1600 millimeters (mm) long, the external section size is 150mm multiplied by 150mm, and the wall thickness is 20mm. The middle part of the bracket is provided with a square hole of 110mm multiplied by 110mm for installing the lever device 4. The bottom of the supporting frame 3 is upwards 100mm, and is provided with a threaded hole 8, the aperture is 20mm and the thread pitch is 2mm.

The lever device 4 is formed by modifying a piece of square steel, is fixed on the support frame 3 through a rotating shaft, and has a heavy force transmission end 200mm away from the rotating shaft and a light force bearing end 800mm away from the rotating shaft. The stress end, namely the traction end, is provided with a prefabricated hole, the rope 9 is tied on the stress end, and the lever device 4 is pulled; the section of the steel bar fixing device 5 is in an I shape, a solid bottom and a hollow sleeve with an opening at the upper end, and the planted steel bars 10 are placed in the sleeve; the clamping support 6 is two steel plates welded on the inner wall of the support frame 3 and is used for supporting the steel bar fixing device 5; the connecting bolt 7 is connected with the extension piece 2 through a prefabricated hole 8 at the bottom of the support frame 3, and the extension piece 2 comprises a standard joint 11 and an expansion joint 12:

as shown in fig. 3, the standard section 11 is 1600mm long, the section is a "convex" shaped steel bracket with openings at the upper and lower ends, the external section size of the upper opening of the bracket is 110mm, the wall thickness is 10mm, the internal section size of the lower opening is 110mm, the wall thickness is 20mm, and the top and bottom of the upper opening are respectively provided with threaded holes 8 with the aperture of 20mm and the thread pitch of 2mm. As shown in the detailed view of the node 1 in fig. 4, the thick solid line part at the upper part is a rib feeding component (standard joint), and connecting bolts 7 can be used between the rib feeding component and the standard joint and between the standard joint and the telescopic joint to penetrate through threaded holes 8 for connection.

As shown in fig. 5, the telescopic joint 12 includes a base 13, an externally threaded rod 14, and an internally threaded sleeve 15. As shown in fig. 6, the base 13 is connected to the externally threaded rod 14 by a bolt, and the externally threaded rod 14 is connected to the internally threaded sleeve 15. In fig. 5, the telescopic joint length 1600mm when the sleeve 15 is screwed to the bottom. As shown in fig. 5 and 7, the base 13 has a dimension of 1000mm by 200mm, 13 threaded holes are distributed at the periphery and the center, the diameter of Kong Gongchen is 42mm, the pitch of the thread is 4mm, and the external threaded rod 14 can be fixed at the positions of the 13 threaded holes respectively. Four corners of the bottom of the base 13 are respectively provided with 1 wheel which can rotate 360 degrees. The external thread rod piece 14 has a nominal diameter of 110mm, a height of 800mm, a thread pitch of 6mm, a thread through length arrangement, a threaded hole at the bottom of the external thread rod piece, a diameter of 42mm and a thread pitch of 4mm. As shown in fig. 6, the cross section of the internal thread sleeve 15 is a "convex" shaped steel structure, the upper "several" shaped part 16 is a cube, the external cross section size is 110mm x 110mm, the height is 200mm, a threaded hole 8, the aperture is 20mm, the pitch is 2mm, and the connecting bolt passes through the hole to connect the standard joint with the expansion joint. The lower part 17 is a circular ring, and as shown in fig. 7, the outer cross section is a circumcircle with the square cross section of the upper part's square-shaped part 16, and the diameter is 156mm; the inner section is an inscribed circle with the square section of the upper part of the U-shaped part 16, the diameter is 110mm, the inner section is provided with threads within the height range of 800mm, and the thread pitch is 8mm. The lower side wall is provided with a rotary handle 18 which rotates for one turn, and the sleeve ascends by 8mm, so that the whole telescopic joint ascends by 8mm, and the aim of adjusting the height of the whole bar planting and feeding device is fulfilled.

The extension piece 2 acts as a lifting main section. In the high-place bar planting process, an operator standing on the ground pulls the traction end of the lever device 4 in the bar feeding component through the rope 9 by connecting the bar feeding component 1 with the extension piece 2, transmits force to the force transmission end of the lever, knocks the bar fixing device 5, and then feeds the bar 10 into a drill hole to finish bar planting work.

The construction method of the beam bottom bar planting and feeding device comprises the following steps:

step 2: and calculating the length of the required extension piece 2 according to the height of the required bar planting position.

Step 3: rotating the handle 18 and N on the side wall of the internal thread sleeve 17 to adjust the height of the telescopic joint 12 in the extension piece 2 to a proper position;

step 4: placing the steel bar 10 with the surface derusted and uniformly coated with the bar planting glue at the steel bar fixing device 5 of the bar feeding component 1;

step 5: the bar feeding component 1, the extension piece standard section 11 and the extension piece expansion section 12 are sequentially fixed together through the connecting bolt 7 to form an operable bar planting bar feeding device.

Step 6: the steel bar 10 is aligned with the drilling holes by utilizing the wheels at the bottom of the expansion joint to move the bar planting and feeding device back and forth;

step 7: a rope 9 at the end part of the lever device 4 of the reinforcement feeding member 1 is pulled, and the reinforcement fixing device 5 is hammered to feed the reinforcement 10 into the drill hole;

step 8: repeating the steps 1-7 until all the bar planting work is finished.

The specific embodiments described herein are offered by way of example only to illustrate the spirit of the invention. Those skilled in the art may make various modifications or additions to the described embodiments or substitutions thereof without departing from the spirit of the invention or exceeding the scope of the invention as defined in the accompanying claims.

The specific embodiments described herein are offered by way of example only to illustrate the spirit of the invention. Those skilled in the art may make various modifications or additions to the described embodiments or substitutions thereof without departing from the scope of the invention as defined in the accompanying claims.

Claims

1. The beam bottom bar planting bar feeder is characterized by comprising two parts of a bar feeding component and an extension piece, wherein the bar feeding component comprises a support frame, a lever device, a bar fixing device, a clamping support and a connecting bolt, the section of the support frame is a II-shaped hollow steel support, a square hole is formed in the middle of the support frame and used for installing the lever device, a threaded hole is formed in the bottom of the support frame upwards, the lever device is formed by modifying a square steel and is fixed on the support frame through a rotating shaft, the heavy force transmission end is 200mm away from the rotating shaft, the light force bearing end is 800mm away from the rotating shaft, the lever device pulls the lever device, the section of the bar fixing device is an I-shaped sleeve with a solid bottom and a hollow upper end, the planted bar is placed in the sleeve, the clamping support is two steel plates welded on the inner wall of the support frame and used for supporting the bar fixing device, and the connecting bolt is connected with the extension piece through a prefabricated hole in the bottom of the support frame; the section of the support frame is a II-type hollow steel support, the length of the support frame is 1600 millimeters (mm), the external section size is 150mm multiplied by 150mm, the wall thickness is 20mm, a square hole of 110mm multiplied by 110mm is formed in the middle of the support frame and used for installing a lever device, a threaded hole is formed in the position of 100mm upwards at the bottom of the support frame, the aperture is 20mm, and the screw pitch is 2mm; the extension piece comprises a standard section and an expansion section, wherein the standard section is 1600mm long, the section is a convex section steel bracket with openings at the upper end and the lower end, the external section size of the upper opening of the bracket is 110mm, the wall thickness is 10mm, the internal section size of the lower opening is 110mm, the wall thickness is 20mm, the upper opening and the lower opening are respectively provided with a threaded hole with the aperture of 20mm and the thread pitch of 2mm, and connecting bolts can be used between the standard section and between the standard section and the expansion section and penetrate through the threaded holes to be connected; the telescopic joint comprises a base, an external thread rod piece and an internal thread sleeve, wherein the base is connected with the external thread rod piece through a bolt, the external thread rod piece is connected with the internal thread sleeve, when the sleeve is screwed to the bottom, the telescopic joint length is 1600mm, the size of the base is 1000mm by 200mm, 13 threaded holes are distributed in the periphery and the center, the diameter of Kong Gongchen is 42mm, the thread pitch of the external thread rod piece is 4mm, and the external thread rod piece can be respectively fixed at the 13 threaded hole positions.

2. The beam bottom bar planting bar feeder according to claim 1, wherein four corners of the bottom of the base are respectively provided with 1 wheel capable of rotating at 360 degrees, the nominal diameter of the cross section of the external thread rod piece is 110mm, the height is 800mm, the thread pitch is 8mm, the threads are arranged in a through length mode, the bottom of the external thread rod piece is provided with a threaded hole, the diameter is 42mm, the thread pitch is 4mm, the cross section of the internal thread sleeve is of a 'convex' shaped steel structure, the upper part of the internal thread sleeve is square, the dimension 110mm of the external cross section is 110mm, the height is 200mm, the periphery of the side wall is respectively provided with a threaded hole, the aperture is 42mm, the standard section is connected with the expansion joint through the hole, the lower part of the standard section is round, the external cross section is the circumscribed circle of the square cross section of the upper part of the shape, the diameter is 156mm, the internal cross section of the square cross section of the upper part of the shape is 110mm, the threads are distributed in the height range of the internal cross section of 800mm, and the thread pitch is 8mm.

3. A method for using the beam bottom bar planting and feeding device according to claim 1 or 2, comprising the following steps:

step 2: calculating the length of the required extension piece according to the height of the required bar planting position;

step 8: repeating the steps 1-7 until all the bar planting work is finished.