CN203158263U - Compact type hard pipe bundling device - Google Patents

Abstract

A compact type hard pipe bundling device comprises two upper beams, two lower beams, positioning partition pipes, fastening components and accessory facilities, the upper beams and the lower beams are horizontally arranged in parallel and are respectively connected with the fastening components through U-shaped rings, the lower beams support bottom bundled pipes from the bottom, the upper beams press top bundled pipes from the top, and the positioning partition pipes are distributed between each two adjacent layers of pipes. The compact type hard pipe bundling device has the advantages that the width of the whole device is minimized by reasonably designing structures of the fastening components, the requirement on the interior width of a common transporting tool is lowered, and the compact type hard pipe bundling device is particularly suitable for the situation that the size of a common bundler exceeds the interior width of a common transporting vehicle by below 70mm after the common bundler is used for bundling due to pipe arrangement restriction; and the compact type hard pipe bundling device is compact in structure, convenient to use and capable of conveniently bundling the pipes in a warehouse or outdoors manually or mechanically without the aid of other equipment, so that labor intensity for processes such as storage, moving and use of the pipes is remarkably reduced, and efficiency is improved.

Description

A kind of compact hard pipe binding apparatus

Technical field

The utility model relates to a kind of device for pipe storage, handling and loading, transportation and use.

Background technology

For the mechanization that realizes field operations steel oil line rises to, improve the quick laying ability of field petroleum pipeline, field oil pipe-line need be assembled into bundle, adapt to the requirement of mechanical equalization.

In order to solve the quick laying problem of pipeline, prior art is to adopt typing equipment 2004-100/150 hard pipeline stringing car to realize that the DN100 steel pipe that a car is 6 meters long has 150 (10 layers, 15 every layer), and 6.3 tons (every 42kg) weigh.If do not carry out pipe bunching, pipe can only lean on the manpower transport to the stringing car in a ground, and not only labour intensity is big, more incompatible quick laying requirement.

In addition, these are in storage at ordinary times, if boundling not adopts single tube right-angled crossing stacking to deposit in then storing usually, pipe is subjected to unidirectional point contact gravity effect easy deformation for a long time.For preventing pipe deformation, regularly carry out collapse of setting to pipe and handle, the pipe of single tube stacking can only use manpower in the collapse of setting process, waste time and energy.

Width behind the existing DN100 steel pipe boundling is 2370mm, can realize the mechanization stringing, but draws a transportation problem, and the present about 2300mm of common transport vehicle carriage insied width and length are not less than 6000mm.Reached 6000mm and the size of 2004-100/150 hard pipeline stringing car is equipped in the typing that prior art adopts and structure is feasible by the bottom surface projection size of boundling steel pipe

2206mm, and the structure of cloth pipe car makes binding apparatus can only be positioned in the plane with the steel pipe axis normal.Common transport vehicle carriage inner length surpasses a lot of of 6000mm, but its compartment insied width has only 2300mm usually, therefore the overall width of binding apparatus must be left designer's operational space for and have only 94mm below 2300mm like this, simultaneously also must proof strength and the convenience of use.This design to binding apparatus is had higher requirement.

Summary of the invention

The purpose of this utility model with regard to be at existing binding apparatus exist can not with stringing car and common transport trolley coupling, accuracy of positioning deficiency, contact position distortion be arranged simultaneously, need many people to operate, problem such as annex is at random, the minimized compact hard of a kind of degree pipe binding apparatus is provided, reduce its width, it can also be mated with common transport trolley when mating with the stringing car, the accuracy of positioning height, thereby pressure evenly distributes and avoids the pipe deformation in compression, single can the operation, the annex facility is complete, forms an integral body; And the same with existing binding apparatus, can improve handling efficient, time saving and energy saving without collapse of setting, but the mechanization operation, but also manual operation.

For achieving the above object, the utility model by the following technical solutions.

The compact hard pipe binding apparatus of the utility model design is made up of upper beam, underbeam, positioning pipe, secure component and annex facility etc.Upper beam, underbeam and secure component are carried out structure and optimized dimensions design, make the width control of binding apparatus in 2288mm, the little 12mm of interior width 2300mm than common transport trolley, as to the DN100 steel pipe, buncher width according to this patent design is 2288mm, than the little 82mm of existing buncher width 2370mm.Close and get final product only need open compartment side plate, transportation when whole Shu Gangguan hangs in before, guaranteed the safety of transportation, simultaneously, the arrangement of steel pipe and 2004-100/150 hard field petroleum pipeline stringing car mate fully, have guaranteed the mechanization stringing and have removed the realization of receipts.The annex facility places in the underbeam, disposes complete, easy to use.

Upper beam and the underbeam of the pipe binding apparatus of the utility model design respectively have two, horizontal direction in the end face of pipe and the bottom surface layout that is parallel to each other respectively, underbeam is from whole beam tube of bottom support carrying, upper beam is pushed down from the top by the superiors' pipe of boundling, upper beam and the parallel placement up and down of a underbeam; At the pipe position groove of described underbeam upper surface along the evenly equidistant distribution support tube of length direction of beam, also push down the pipe position groove of pipe with even distribution of same spacing at the upper beam lower surface along the length direction of beam equally; Described positioning pipe is between two-layer pipe, separate each layer of location by the boundling pipe, every layer of positioning pipe is arranged in parallel two, be distributed with positioning groove in the upper and lower surface of described every positioning pipe along the length direction proportional spacing of pipe, the spacing of the pipe position groove on the spacing between the described positioning groove and upper beam and the underbeam is consistent; The spacing of the pipe behind the boundling is consistent with the requirement of 2004-100/150 hard pipeline stringing car, makes that whole beam tube behind the boundling can directly lift on the stringing car.

The pipe position groove of described upper beam and underbeam and the positioning groove on the positioning pipe are the arc-shaped slot welding arcs of leaving at beam or pipe and forming, and the radian of described arc is 120 °.In described pipe position groove and positioning groove, slipmat is housed.Described upper beam and underbeam preferably adopt H-girder, and positioning pipe preferably adopts square tube.Strike out the positioning groove of 120 ° of radians on the positioning pipe.

Above structure design makes this device have the characteristics of location precision and uniform pressure distributionization: typing is equipped POL equipment 2004-100/150 hard pipeline stringing car to the horizontal location of steel pipe and vertically alignd strict requirement, otherwise the steel pipe behind the boundling can not arrive the correspondence position of stringing car smoothly.For this reason, this device adopts all processes internal diameter and the identical location of outer diameter of steel pipes arc on underbeam, upper beam and positioning pipe, form positioning groove, makes location arc and pipe driving fit, 120 ° of central angles that utilization is of moderate size have been finished each row location accurately and reliably in the horizontal direction.Be benchmark with the pipe position groove on the underbeam simultaneously, utilize gravity to finish each and be listed in the alignment of vertical direction.Arc fastens rubber pad in the location, avoids horizontal and vertical slippage.Upper beam, underbeam and the horizontal location pipe trinity are reached accurate positioning function jointly.The positioning groove design of this device makes steel pipe contact with positioning groove formation face, has increased area of contact, has reduced stress, makes pressure be distributed in the contact position more equably, and uniform pressure distributionization effectively prevents the pipe shaft distortion that pressure causes.

The two ends of upper beam and underbeam are welded with upper beam riser and underbeam riser respectively, have breach on the riser, and the breach of underbeam riser also has the function of lifting concurrently.

Described secure component is connected between the termination of upper beam and underbeam, and tension is put the beams in place and underbeam.Secure component is made up of two pull bars, two-way nut and two clevis eyes.Described pull bar one end is connected with two-way nut, and the other end of pull bar connects by suitably crooked clevis eye puts the beams in place or underbeam.Clevis eye is enclosed within the riser breach and is connected with upper beam, underbeam with the underbeam riser by the upper beam riser.Described clevis eye all with pull bar not in same space plane, but from begin with the pull bar junction that appropriateness is namely put the beams in place to the inside or the third side of underbeam to bending, the about 2000mm of bending spring, the end that makes clevis eye is translation 30mm to the inside, has reduced the width of buncher effectively.

Described annex facility comprises two-way nut kit and holding structure thereof, has carried out integrated design, is beneficial to using and keeping of binding apparatus.Described two-way nut kit and holding structure thereof are that the restriction owing to outside dimension designs introducing.Because the external diameter of two-way ratchet is big, can not use in the secure component, using two-way nut is appropriate selection, and use two-way nut, then should be equipped with the degree of tightness instrument supporting with it, for solving that two-way nut kit is lost and integrity problem when transporting, the utility model has designed two-way nut kit and holding structure thereof.Described two-way nut kit is processed by the stainless steel bar of a length 400mm, diameter 10mm, respectively deposit one at the underbeam two ends at ordinary times, described two-way nut kit holding structure is positioned at the position that the underbeam two ends are convenient to pick and place, the band elastic construction, elastomeric method is preset in utilization, and what assurance was deposited is reliable and convenient.

Described holding structure is arranged at the outside at underbeam I-beam section two ends, by L bracket, positive stop, the side block, cover plate, spring and threaded bearing pin are formed, L bracket, positive stop, side block and cover plate surround parking space, L bracket is one 90 ° bending metal sheets, be welded on the following square position in the i-beam structure outside of underbeam, positive stop is welded in the place ahead of the horizontal surface of L bracket, the side block is made of jointly two identical cuboid derbies, be welded in the L bracket on the horizontal surface and near the vertical plane of L bracket, cover plate is one upwards to be bent into the metal sheet of hexagonal angle, be connected by the top of threaded bearing pin with the vertical plane of L bracket, form closing structure, cover plate by the L bracket vertical plane below be connected with spring, the other end of spring links to each other with the horizontal surface of L bracket, and spring adopts and presets elastic type; Described holding structure is symmetrical arranged at the two ends of underbeam, respectively adorns the two-way nut kit of a cover respectively.

Adopt this steel pipe binding apparatus, can by all pipes of underbeam support bearing, and pass through last underbeam and with secure component pipe bunching is in the same place by positioning pipe with pipe layered arrangement and reliable location, form an integral body, have the characteristics of location precision and uniform pressure distributionization; This device can be removed binding apparatus again easily easily with the steel pipe boundling; Can in the warehouse, the steel pipe boundling be stored, can self-containedly put in order again and unload transportation loading and unloading; Can directly mate with the stringing car, realize the mechanization stringing, can adapt to the needs of artificial stringing again, can also transport with common transport trolley, reduce the requirement to means of delivery, reach the unification of transportation property and usability.

This binding apparatus is simple in structure, easy to use, reusable, can be in the warehouse or the field, need with manpower or machinery pipe be assembled into bundle easily by miscellaneous equipment.Especially when using 2004-100/15 hard pipeline stringing car, directly lifting is carried out stringing to the stringing car, thereby improves the laying efficient of field petroleum pipeline.Be fit to further guarantee the laying efficient of field petroleum pipeline with common transport trolley transportation.

According to the various pipe sizings of this technical basis, can also design the pipe binding apparatus that satisfies corresponding requirements.

Description of drawings

Institute's drawings attached is example with DN100 steel pipe buncher all.

Fig. 1 is this binding apparatus with the structural representation (for clarity sake, pull bar and two-way nut all amplified a times) of pipe bunching after wherein.

Fig. 2 is the positioning pipe structural representation.

Fig. 3 and Fig. 3 B are the structural representations of secure component.

Fig. 4 A is the pull bar and the structural representation of putting the beams in place and being connected of secure component with Fig. 4 B.

Fig. 5 A and Fig. 5 B are the structural representations that the pull bar of secure component is connected with underbeam.

Fig. 5 is the structural representation of underbeam, underbeam registration arm and the annex facility on it.

Fig. 6 is the structural representation of upper beam and registration arm thereof.

Fig. 8 A, Fig. 8 B are the structural representations of two-way nut kit storage facilities.

The specific embodiment

Describe structure of the present utility model in detail below in conjunction with accompanying drawing:

Referring to Fig. 1, the pipe binding apparatus is made up of upper beam 1, underbeam 3, positioning pipe 5, securing device 2 and annex facility 4; The width of described binding apparatus is in 2288mm, less than the interior width 2300mm of common transport trolley.

Put the beams in place 1 and underbeam 3 respectively have two, in end face and bottom surface horizontal direction layouts that be parallel to each other, by the orlop pipe of boundling, push down by the superiors' pipe of boundling from the top by upper beam from bottom supporting for underbeam respectively.

Securing device 2 is connected between the termination of upper beam and underbeam, and tension is put the beams in place and underbeam, and upper beam and underbeam are gone up the pipe position groove that proportional spacing is distributed with positioning tube along its length.

Positioning pipe 5 is distributed between the two-layer pipe 6, and every upper and lower surface is distributed with the positioning groove of positioning tube along the length direction proportional spacing of pipe, and the spacing of the pipe position groove on the spacing between the described positioning groove and upper beam and the underbeam is consistent.

For easy to use, annex facility 4 places the outside, underbeam two ends entirely.

Referring to Fig. 2, the main body of positioning pipe 5 is the square tube of length of side 50mm, and its length is got 2206mm, just and about pipe shaft to it, not only reliably but also neat appearance.

Arc 51 is main body by 1/3 of the steel pipe of internal diameter 102mm, fastens rubber pad thereon and forms.Its length is got 80mm, and than the big 30mm of square tube, the 15mm that two ends have more reserves for fastening rubber pad, has also increased the area of contact of steel pipe and rubber pad simultaneously, has reduced pressure.

Referring to Fig. 3 A and Fig. 3 B, secure component is made of two-way nut 23, top rod 22, lower link 24 and clevis eye 21.Because it is identical that pull bar and coupled clevis eye have a up-down structure, more clear for figure, Fig. 3 has only showed being connected of one of them clevis eye and pull bar.

Two-way nut diameter is 40mm, its two ends have been attacked left-handed respectively and two kinds of screw threads of dextrorotation, taking-up is positioned over the two-way nut kit in the underbeam, end with it inserts the through hole that the two-way nut of turn on the nut is used, drive two-way nut rotation, can or unclamp the boundling tension, near the through hole that the two-way nut of turn is used, indicate " pine ", " tightly " sign, with the prompting user.

Pull bar is made by first steel of diameter 20mm, and an end of pull bar has been attacked screw thread, is connected with two-way nut, and its other end is connected with clevis eye by the mode of welding.

Clevis eye is also made by first steel of diameter 20mm, and its U font bottom curves radius 20mm(R20) 1/4 circular arc, bigger than the thickness (20mm) of riser so sky is of a size of 28.2mm in it so that with being connected and taking-up of riser.

Referring to Fig. 4 A, Fig. 4 B, Fig. 5 A and Fig. 5 B, clevis eye and pull bar be not in same plane, curve inwardly (by calculating but begin appropriateness from welding end, the about 2000mm of bending spring), thereby the bottom that makes clevis eye is translation 30mm to the inside, so that riser can be to the about 30mm of inboard translation of boundling, thereby realize reducing the boundling width, reach the purpose that common transport trolley can transport.Simultaneously can guarantee enough intensity and the comfort feature of use.This is a core content of the present utility model.

Referring to Fig. 6 and Fig. 7, upper beam 1, underbeam 3 all weld the steel plate (thickness be 20mm) thicker than the riser of I-beam section as riser 12 and 32 at two ends, to gain in strength, the comfort feature that has also strengthened simultaneously processing (only needs undersized riser is processed, be welded in again on the I-beam section, do not need two meters I-beam sections how long are processed).Cut out the suitable groove of the degree of depth (breach) 11 and 31 at riser, the clevis eye 21 on the pull bar is located to link to each other with riser at groove (breach).Because the clevis eye appropriateness curves inwardly, solved the outwards problem of expenditure of riser, effectively reduced the width behind the boundling, whole device the widest part appears at the right-hand member of the two-way nut of left end and right side of the two-way nut in left side, also can control at 2288mm.

Most important processing is breach 11 and 31 on the riser.Breach is the junction of clevis eye and beam, and the width of upper beam breach 11 is so that putting into taking out of clevis eye is degree, and underbeam breach 31 should be wide slightly owing to have the effect of lifting concurrently.The wide block of 40mm is left in the riser breach outside, to guarantee enough intensity breach is not damaged.For underbeam, for making clevis eye and lifting cable wire can enter breach and taking out from breach, the lower edge of block is than the high 30mm in I-beam section lower edge.

Put the beams in place adopting No. 10.5 I-beam sections is material of main part, and by the do not hold concurrently function of lifting of riser breach thereon, its width is got 30mm, so the length of I-beam section is 2060mm, than the long 20mm of underbeam I-beam section.

The underbeam total length is 2280mm, and material of main part adopts No. 12 I-beam sections, and length is 2040mm; The underbeam riser of thick 20mm, long 120mm is respectively welded at its two ends, welds model above it and be 50, length is the square tube 33 of 2206mm, and the upside welding arc of square tube is the basis of steel pipe location in the whole binding apparatus as the location tube seat.It is same to put the beams in place, and its square tube is 13.

Referring to Fig. 8 A, Fig. 8 B and Fig. 9, be furnished with two-way nut kit and holding structure at the underbeam two ends.

Two-way nut kit 47 is stainless steel bars of an about 0.4kg of quality, though light, the vibration when transporting owing to necessary consideration is deposited and must reliably be deposited at ordinary times in the two-way nut kit holding structure.

Holding structure is made up of L bracket 46, positive stop 44, side block 42, spring 43, cover plate 41, threaded bearing pin 45, and except spring and threaded bearing pin, aluminum alloy is adopted in all the other material suggestions.

The bending of L bracket 46 available metal plates forms for 90 °.L bracket is the basis of whole device, and except will welding with the underbeam I-beam section at last, positive stop, side block, spring and threaded bearing pin all will be attached thereto.L bracket adopts closing structure with being connected of cover plate, and cover plate can freely be rotated around bearing pin.

Below the structure in left side is described:

Positive stop 44 is welded in the right front of horizontal surface in the L bracket 46, is that a cross section is arranged is the derby that right-angled trapezium, all the other cross sections are rectangle.The round sides of the inclined-plane of positive stop 44 and two-way nut kit 47 is tangent, to prevent the scroll forward and backward of two-way nut kit.

Side block 42 is made of jointly two identical cuboid derbies.Wherein, the side block of keeping right is welded in the middle part of horizontal surface in the L bracket, vertical plane near L bracket, the seat end of its right side and two-way nut kit is tangent, prevent that two-way nut kit is moved to the left, its upper surface when two-way nut kit is housed and the lower end of cover plate leave enough gaps and (push down two-way nut kit under the pulling force effect of cover plate this moment at spring, prevent that it from moving up and down), (preventing that cover plate from descending too much, for packing into ready the next time of two-way nut kit) contacts with the lower end of cover plate when two-way nut kit is removed.The side block that keeps left is welded in the left side of horizontal surface in the L bracket, also near the vertical plane of L bracket, with the side block of keeping right, contacts with the lower end of cover plate when two-way nut kit is taken away, has improved the stability of this function.

Spring 43 adopts and presets elastomeric method, stores elastic potential energy always, and the one end links to each other with horizontal surface in the L bracket, and the place of keeping left links to each other in the middle part of the other end and the cover plate.When not having two-way nut kit, in elastic force (and cover plate gravity) effect down, cover plate is pressed on the side block, this moment the elastic potential energy minimum, the distance between cover plate and the positive stop is minimum also; When putting into two-way nut kit, the round sides of two-way nut kit enters from the space of reserving between cover forward end lower surface and positive stop upper surface, under the thrust of staff, cover plate sways, rise gradually, two-way nut kit is mobile inwards gradually, and spring extends gradually, when two-way nut kit contacts the inclined-plane of positive stop, it is maximum that the spring elongation reaches, the elastic force maximum at this moment, slightly firmly pushes inward again, then under the combined action of gravity and elastic force, two-way nut kit automatically inwards, move downward, until touching the bottom, become the stable equilibrium; The taking-up process is the inverse process of putting into, and when only all taking out, cover plate has a process of pressing to the side block suddenly under the combined action of gravity and elastic force.

Cover plate 41 metal sheet two flat boards being bent into 120 ° of angles again forms.Cover plate is processed into projection by the upper end of lining flat board, and high spot is drilled with the axis through hole parallel with folding line, and threaded bearing pin passes from through hole, links to each other with the top of the vertical plane of L bracket again.Form closing structure.In the lower end appropriate location of cover plate by the lining flat board, the upper end of spring is connected with cover plate.

Threaded bearing pin 45 is rotating shafts that cover plate rotates.The screw thread of its left end links to each other with the screw thread on L bracket vertical plane top, and its right-hand member passes through hole, does not need screw thread.

Below be an object lesson that cooperates the binding apparatus of 2004-100/150 hard pipeline stringing car:

1, binding apparatus technical index

1.1 deadweight

Upper beam 26kg, underbeam 39kg, pull bar 4.2kg/ to, isolate registration device 10kg/ root.The total deadweight of each binding apparatus is about 250kg.

1.2 mechanics mechanical characteristics

Mechanics mechanical characteristics: the maximum net weight 63000N of steel pipe, maximum lifting acceleration/accel 1.0m/s ², pull bar maximum stress 37MPa, screw thread maximum stress 12MPa, 20000N/ of lifting notch strength.

2, using method

2.1 artificial boundling

Be not less than 6m in a length, width is not less than on the ground grading of 3m, with two underbeams parallel over against place (method of available measurement catercorner length detect whether parallel over against, also can be beforehand with position line on ground), place the ground floor steel pipe then, prevent ground floor (two) positioning pipe (aligning underbeam separately respectively) again, place second layer steel pipe then, second layer positioning pipe, and the like, after placing upper beam at last, to go up lower link again couples together with two-way nut, the clevis eye of last lower link is inserted in the underbeam breach, screws pull bar with two-way nut kit at last, form a whole bundle and get final product.

2.2 manually remove bundle

Opposite with artificial boundling step.

2.3 mechanization stringing

After will putting in order Shu Gangguan and hanging in the stringing car, unscrew pull bar with two-way nut kit then, can take out from the underbeam breach until the clevis eye of lower link, take lower link this moment away, take underbeam again away, according to the structure design of stringing car, can lay the orlop steel pipe; After this layer has been mended, take undermost positioning pipe away, begin to lay the below second layer; By that analogy, can the complete Shu Gangguan of cloth.

2.4 pipe is received in mechanization

Utilize the stringing car, get final product according to carrying out with mechanization stringing reverse order.

Claims (5)

1. compact hard pipe binding apparatus, it is made up of upper beam, underbeam, positioning pipe, securing device and annex facility;

Described upper beam and underbeam respectively have two, all based on I-beam section, respectively in end face and the bottom surface horizontal direction layout that is parallel to each other, underbeam from bottom supporting by the orlop pipe of boundling, upper beam is pushed down from the top by the superiors' pipe of boundling, securing device is connected between the termination of upper beam and underbeam, and tension is put the beams in place and underbeam, and upper beam and underbeam are gone up the pipe position groove that proportional spacing is distributed with positioning tube along its length;

Described positioning pipe is distributed between the two-layer pipe, and every upper and lower surface is distributed with the positioning groove of positioning tube along the length direction proportional spacing of positioning pipe, and the spacing of the pipe position groove on the spacing between the described positioning groove and upper beam and the underbeam is consistent;

It is characterized in that:

The width of described binding apparatus is in 2288mm;

The two ends of described upper beam and underbeam are welded with upper beam riser and underbeam riser respectively, have breach on upper beam riser and the underbeam riser;

Described securing device adopts the identical quadruplet of structure, the upper beam before and after connecting respectively and the two ends of underbeam; Every cover securing device is made up of two pull bars, a two-way nut and two clevis eyes; Described pull bar one end is connected with two-way nut, and the other end connects by clevis eye puts the beams in place or underbeam, and clevis eye is enclosed within the riser breach and is connected with upper beam, underbeam with the underbeam riser by the upper beam riser; Described clevis eye from begin namely to put the beams in place to the inside with the pull bar junction or the third side of underbeam to bending, bending spring is 2000mm, the end that makes clevis eye is translation 30mm to the inside;

Described annex facility comprises two-way nut kit and holding structure; Described two-way nut kit adopts stainless steel bar, and supporting have two; Described holding structure is arranged at the outside at underbeam two ends, by L bracket, positive stop, the side block, cover plate, spring and threaded bearing pin are formed, L bracket, positive stop, side block and cover plate surround parking space, L bracket is one 90 ° bending metal sheets, be welded on the following square position in the i-beam structure outside of underbeam, positive stop is welded in the place ahead of the horizontal surface of L bracket, the side block is made of jointly two identical cuboid derbies, be welded on the horizontal surface of L bracket and near the vertical plane of L bracket, cover plate is one upwards to be bent into the metal sheet of hexagonal angle, be connected by the top of threaded bearing pin with the vertical plane of L bracket, form closing structure, cover plate by the L bracket vertical plane below be connected with spring, the other end of spring links to each other with the horizontal surface of L bracket, and spring adopts and presets elastic type; Described holding structure is symmetrical arranged at the two ends of underbeam, respectively adorns the two-way nut kit of a cover respectively.

2. compact hard pipe binding apparatus according to claim 1, it is characterized in that: described upper beam and underbeam total length are 2280mm, its main body adopts No. 10.5 and No. 12 I-beam sections, and parallel welding model is 50 square tube on main body, and the pipe position groove of described positioning tube evenly is arranged on the square tube.

3. compact hard pipe binding apparatus according to claim 1 and 2 is characterized in that: 1/4 circular arc that curves radius 20mm bottom the U font of described clevis eye.

4. compact hard pipe binding apparatus according to claim 1 and 2 is characterized in that: the pipe position groove of described upper beam and underbeam and the positioning groove on the positioning pipe are the arc-shaped slot welding arcs of leaving at beam or pipe and forming; In described pipe position groove and positioning groove, slipmat is housed.

5. compact hard pipe binding apparatus according to claim 4, it is characterized in that: the radian of described arc is 120 °.

Images