CN210342016U

CN210342016U - Adjustable support arranged on vertical shaft mouth guard rail

Info

Publication number: CN210342016U
Application number: CN201920745575.4U
Authority: CN
Inventors: 刘瑞敏; 任干; 马海志; 王思锴; 马全明; 张建全; 郑有常; 高帅; 梁贵民
Original assignee: Beijing Urban Construction Exploration and Surveying Design Research Institute Co Ltd
Current assignee: Beijing Urban Construction Exploration and Surveying Design Research Institute Co Ltd
Priority date: 2019-05-22
Filing date: 2019-05-22
Publication date: 2020-04-17
Anticipated expiration: 2029-05-22

Abstract

The embodiment of the utility model provides an adjustable bracket arranged on a vertical shaft mouth protective guard, which comprises an annular clamping piece (1), a suspension piece (3), a vertical length adjusting component (5), a steering connecting piece (2) and a tightening piece (4); the annular clamping piece (1) comprises a lower half hoop (11) and an upper half hoop (12); the suspension piece (3) comprises a stop block (32) and a cross bar (31); the vertical length adjusting assembly (5) comprises a first connecting rod (51) and a second connecting rod (53) connected to the top of the first connecting rod (51), the first connecting rod (51) is connected to the upper half clamp (12), and the second connecting rod (53) is connected to the steering connecting piece (2); the top fastening piece (4) is screwed on the lower half hoop (11). The length of the vertical length adjusting assembly is adjusted by adjusting the number of the second connecting rods, so that the vertical length adjusting assembly is suitable for different working conditions of stacking of sundries in the protective guard and is easy to install and carry.

Description

Adjustable support arranged on vertical shaft mouth guard rail

Technical Field

The utility model relates to an engineering survey technical field especially relates to a support with adjustable locate vertical shaft mouth rail guard.

Background

In engineering construction, in order to guide underground engineering, the coordinates and the direction of a ground control point need to be guided to the underground, and then the coordinates and the direction need to be measured in a contact manner. Typically the contact measurement is implemented by a silo. Then, a support capable of suspending the steel wire or the steel ruler needs to be provided, then a heavy hammer of 5kg is hung at one end, located at the bottom of the vertical shaft, of the steel wire or the steel ruler, the heavy hammer is placed in a resistant oil drum in a static mode, linkage measurement is achieved through a total station or a level, firstly, measurement is conducted once, observation data are obtained, then the position of the steel wire or the steel ruler is adjusted, measurement is conducted again, and the observation work can be completed only by repeating the process for many times. At present, a steel wire or a steel ruler suspended near a vertical shaft opening or a transfer opening is fixed on a steel pipe in a winding mode, and then the steel pipe is transversely arranged and fixed on a protective guard or a protective wall on the side of the vertical shaft opening by means of assistance of others.

In the process of implementing the present invention, the inventor finds that there are at least the following problems in the prior art:

when only the guard rail is arranged beside the vertical shaft mouth, a steel wire or a steel ruler needs to be wound on the steel pipe, and then the steel pipe is fixed on the guard rail, so that the fixing difficulty is high, and the time is long; especially when repeated measurement, when still need adjusting steel wire or steel rule position, one person is difficult to accomplish the operation, must be accomplished by other people's assistance, has caused the waste of time and manpower. In addition, different sundries may be stacked beside different vertical shaft mouths, the height of the sundries may be higher than that of the guard rail, and the steel wire or steel ruler is difficult to install through a steel pipe.

SUMMERY OF THE UTILITY MODEL

The embodiment of the utility model provides a support with adjustable locate vertical shaft head rail guard can adjust vertical length adjustment subassembly's length through the quantity that increases or reduces vertical length adjustment subassembly's second connecting rod according to the other operating mode of vertical shaft head, has the different operating modes that debris were stacked in the suitable rail guard, easily installs and carries.

In order to achieve the purpose, the utility model provides an adjustable bracket arranged on a vertical shaft mouth protective guard, which comprises an annular clamping piece, a suspension piece, a vertical length adjusting component, a steering connecting piece and a jacking piece;

the vertical length adjusting assembly is connected to the annular clamping piece, the hanging piece is detachably connected to the steering connecting piece, the steering connecting piece is detachably connected to the vertical length adjusting assembly, and the jacking piece is arranged on the annular clamping piece;

the annular clamping piece comprises a lower half clamping hoop and an upper half clamping hoop, a first end of the lower half clamping hoop is rotatably connected with a first end of the upper half clamping hoop, and a second end of the lower half clamping hoop is detachably connected with a second end of the upper half clamping hoop; the lower half hoop and the upper half hoop form an accommodating space inside;

the hanger comprises a cross bar and a stop block, the cross bar is provided with a first end part and a second end part, the stop block is arranged at the first end part of the cross bar, and the second end part of the cross bar is detachably connected to the steering connecting piece; the cross bar is provided with a hanging part, the hanging part is arranged between the stop block and the second end part of the cross bar, and the hanging part is positioned outside the accommodating space of the annular clamping piece;

the vertical length adjusting assembly comprises a first connecting rod and a second connecting rod connected to the top of the first connecting rod, the first connecting rod and the second connecting rod are detachably connected from bottom to top in sequence, the first connecting rod is connected to the upper half hoop, and the second connecting rod at the top is detachably connected to the steering connecting piece;

the top member is screwed on the lower half hoop.

Preferably, a plurality of hanging parts are included, and the hanging parts are sequentially detachably connected; and a second end of the hanger at an innermost end is removably connected to the steering link.

Preferably, the steering connecting piece has a first portion and a second portion that are connected perpendicularly to each other, the first portion detachably connect in the second connecting rod, the second portion detachably connect in the second tip of horizontal pole, vertical length adjustment assembly is perpendicular first clamp with the contact surface of first clamp down.

Preferably, a plane formed by the vertical length adjustment assembly and the suspension member is parallel to a radial section of the annular clamp.

Preferably, the adjustable inclined strut assembly is connected to the suspension piece and the upper half hoop;

adjustable bracing subassembly includes first down tube, second down tube and third down tube, first down tube the third down tube with the second down tube is supreme from bottom to top can dismantle the connection in proper order, first down tube connect in first clamp, second down tube detachably connect in on the horizontal pole.

Preferably, the adjustable inclined strut assembly further comprises a clamp, the clamp is movably connected to the second inclined rod, and the clamp is buckled on the cross rod.

Preferably, the jacking piece comprises a jacking screw and a top plate, the top plate is arranged at the tail end of the jacking screw in the accommodating space of the annular clamping piece, and the area of the top plate is larger than the radial cross-sectional area of the jacking screw.

Preferably, the axis of the jacking screw rod is coincident with the symmetrical center line of the radial section of the lower half hoop.

Preferably, the first end of the lower half hoop is rotatably connected with the first end of the upper half hoop through a rotating shaft.

Preferably, the second end of the lower half hoop is in threaded connection with the second end of the upper half hoop through a fastening assembly; the fastening component comprises a threaded rod and a first butterfly handle, the threaded rod is in threaded connection with the second end of the lower half clamp and the second end of the upper half clamp, and the first butterfly handle is arranged at one end of the threaded rod.

The technical scheme has the following beneficial effects: during underground construction, the coordinates and the direction of a ground control point need to be guided to the underground through contact measurement, the contact measurement needs to be assisted through a steel wire or a steel ruler, and the steel ruler needs to be fixedly suspended. When only there is the rail guard at the vertical shaft mouth, and also when not setting up steel pipe support or support on the rail guard, through the utility model discloses a support with adjustable realizes hanging steel wire or steel chi. It will to pass through annular holder the utility model discloses a locate adjustable support centre gripping of vertical shaft mouth rail guard on the horizontal shaft-like railing of placing on the rail guard, then through top tight piece can originally fix the support for the contact measurement, just at last can hang steel wire or steel ruler installation device on the flying piece. The height of the suspension member in the vertical direction can be adjusted by adjusting the length of the vertical length adjusting assembly in the vertical direction, so that different sundries stacked beside a vertical shaft mouth can be avoided, and the steering connecting piece can connect the suspension member with the vertical length adjusting assembly and place the suspension member in the horizontal direction deviated from the vertical length adjusting assembly. Through the utility model discloses a support with adjustable locate vertical shaft head rail guard can realize linking the suspension of steel wire or steel ruler of measuring usefulness, is fit for the other miscellaneous operating mode of stacking of different shafts simultaneously, and the contact of being convenient for is measured goes on.

The annular clamping piece comprises a lower half clamping hoop and an upper half clamping hoop, a first end of the lower half clamping hoop is rotatably connected with a first end of the upper half clamping hoop, and a second end of the lower half clamping hoop is detachably connected with a second end of the upper half clamping hoop; the inside formation accommodation space of half clamp down with last half clamp. In the installation the utility model discloses a during the support with adjustable locate vertical shaft mouth rail guard, the accommodation space that forms by the second half clamp and the first half clamp of annular holder comes the shaft-like railing of horizontal placing on the centre gripping rail guard. First, the receiving space inside the annular clamp is enlarged by rotating and loosening the top member provided on the lower band half to the outside of the annular clamp. The second end of the lower band half is then rotated about the rotational connection of the first end of the lower band half to the first end of the upper band half to separate the second end of the lower band half from the second end of the upper band half, thereby forming an open space between the second end of the lower band half and the second end of the upper band half. Through the open space, the ring-shaped clamping piece is buckled on the rod-shaped railing transversely arranged on the protective guard. Next, the second end of the lower half clamp and the second end of the upper half clamp are connected, and then the annular clamping member is preliminarily fixed on the rail by screwing the jacking member into the accommodating space.

Wherein the top member is screwed to the lower band half so that the top member can reciprocate relative to the inner wall of the annular clamping member, that is, as described above, when the annular clamping member is looped on the rod-like rail placed transversely, the top member can move relative to the inner wall of the upper band half by rotating the top member on the lower band half, and the distance between the top member and the upper band half can be increased or decreased. When dismantling the connection and measure and use the support, equally only need rotatory the release top piece, the second end of dividing half clamp down and the second end of half clamp are divided, just can demolish this support from the railing.

The hanger comprises a cross bar and a stop block, the cross bar is provided with a first end part and a second end part, the stop block is arranged at the first end part of the cross bar, the second end part of the cross bar is detachably connected to the steering connecting piece, the cross bar is provided with a hanging part, the hanging part is arranged between the stop block and the second end part of the cross bar, and the hanging part is positioned outside the accommodating space of the annular clamping piece; a steel wire or steel rule mounting means can then be suspended from the rail and not obscured by the annular clamp, so that it can fall vertically into the shaft. Simultaneously the dog can play the spacing steel wire or the steel rule linkage that stops, avoids its landing. Meanwhile, the method does not need to wind a steel wire or a steel ruler on the steel pipe, and the steel pipe can be fixed on the protective guards on the two sides of the vertical shaft without the assistance of other people, so that the operation is convenient and simple, and manpower and material resources are saved.

Vertical length adjustment subassembly includes the head rod and connects the second connecting rod at the head rod top, the head rod with the second connecting rod can dismantle the connection from bottom to top in proper order, just the head rod connect in first half clamp, the top second connecting rod detachably connect in turn to the connecting piece. The second connecting rod can be a plurality of, can be according to the other operating mode of riser head through increasing or reducing the quantity of second connecting rod further adjusts the length of vertical length adjustment subassembly. Understandably, when sundries are stacked in the protective guard, the suspension members can be shielded, so that the adjustable bracket of the application cannot be normally installed on the protective guard, the number of the second connecting rods can be increased to adjust the vertical height, and the vertical shaft conditions under different working conditions can be met. If directly establish vertical length adjustment subassembly into fixed length and length very long, not only can waste the material, still can increase the artifical burden of measurement, be difficult to carry. Or a light and thin frame structure is adopted for easy carrying, and the stability is poor. Especially, when sundries are not stacked beside the vertical shaft, the applicability is poor.

And finally, adjusting the position of the steel wire or the steel ruler to meet the observation condition required by the connection measurement, and screwing the jacking piece on the protective guard.

Through the adjustable support of this application, the height of adjustable support satisfies the operating mode of different shafts to only need just can hang the installation device of steel wire or steel rule alone, also only need during the position of repeated measurement adjustment steel wire or steel rule alone can, do not need other people to assist, easy operation is swift, has improved the fixed efficiency of steel wire or steel rule, has saved human cost and material resources cost, practices thrift measuring time, has improved labor efficiency. Meanwhile, the structure is simple, and the portable device is convenient to carry on site; is suitable for large-scale production.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a front view of a support for contact measurement provided on a vertical shaft protective wall according to an embodiment of the present invention;

fig. 2 is a right side view of a support for contact measurement of locating shaft mouth protecting wall of the embodiment of the utility model.

The reference numerals are represented as:

1. an annular clamping member; 2. a steering linkage; 3. a suspension member; 4. a top tightening member; 5. a vertical length adjustment assembly; 6. a fastening assembly; 7. an adjustable diagonal bracing assembly; 11. a lower half hoop; 12. an upper half hoop; 13. a rotating shaft; 21. a first part; 22. a second section; 31. a cross bar; 32. a stopper; 41. tightly pushing the screw; 42. a topsheet; 51. a first connecting rod; 53. a second connecting rod; 61. a threaded rod; 62. a first butterfly handle; 71. a first diagonal member; 72. a second diagonal member; 73. a third diagonal member; 74. a clip;

43. a second butterfly handle.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

As shown in fig. 1 to 2, in combination with the embodiment of the present invention, there is provided an adjustable bracket for a vertical shaft protective guard, which includes an annular clamping member 1, a suspension member 3, a vertical length adjusting assembly 5, a steering connecting member 2 and a tightening member 4; vertical length adjustment assembly 5 connect in on the annular holder 1, suspender 3 detachably connects turn to on the connecting piece 2, turn to connecting piece 2 detachably connect in on the vertical length adjustment assembly 5, top member 4 is located on the annular holder 1.

Understandably, during underground construction, the coordinates and the direction of the ground control point need to be guided to the underground through contact measurement, the contact measurement needs to be assisted through a steel wire or a steel ruler, and the steel ruler needs to be fixedly suspended. When only there is the rail guard at the vertical shaft mouth, and also when not setting up steel pipe support or support on the rail guard, through the utility model discloses a support with adjustable realizes hanging steel wire or steel chi. Will through annular holder 1 the utility model discloses a locate on the horizontal shaft-like railing of placing of adjustable support centre gripping on the rail guard of vertical shaft head rail guard, then through top tight 4 can originally fix the support for contact measurement, just at last can hang steel wire or steel ruler installation device on flying piece 3. The height of the hanging member 3 in the vertical direction can be adjusted by adjusting the length of the vertical length adjusting assembly 5 in the vertical direction, so that different sundries stacked beside a vertical shaft mouth can be avoided, and the steering connecting member 2 can connect the hanging member 3 with the vertical length adjusting assembly 5 and place the hanging member 3 in a horizontal direction deviated from the vertical length adjusting assembly 5. Through the utility model discloses a support with adjustable locate vertical shaft head rail guard can realize linking the suspension of steel wire or steel ruler of measuring usefulness, is fit for the other miscellaneous operating mode of stacking of different shafts simultaneously, and the contact of being convenient for is measured goes on.

Specifically, annular holder 1 includes half clamp 11 and half clamp 12 on the lower half, and half clamp 11 is half snap ring, thin wall semicircle ring promptly on the lower half and half clamp 12 on the upper half. The first end of the lower half hoop 11 is rotatably connected with the first end of the upper half hoop 12, and the second end of the lower half hoop 11 is detachably connected with the second end of the upper half hoop 12; the lower clamp half 11 and the upper clamp half 12 form a receiving space inside. In the installation the utility model discloses a during the support with adjustable locate the vertical shaft mouth rail guard, the accommodation space that is formed by the second half clamp 11 and the first half clamp 12 of annular holder 1 comes the shaft-like railing of horizontal placing on the centre gripping rail guard.

First, the receiving space inside the annular clamp 1 is enlarged by rotating the top member 4 opened on the lower band half 11 to the outside of the annular clamp 1. The second end of the lower band half 11 is then rotated about the pivotal connection of the first end of the lower band half 11 to the first end of the upper band half 12 to separate the second end of the lower band half 11 from the second end of the upper band half 12, thereby forming an open space between the second end of the lower band half 11 and the second end of the upper band half 12. Through the open space, the annular clamping piece 1 is buckled on the rod-shaped rail transversely arranged on the protective guard. Next, the second end of the lower clamp half 11 is connected to the second end of the upper clamp half 12, the position of the suspension member 3 is adjusted, and then the annular clamp member 1 is preliminarily fixed to the balustrade by screwing the tightening member 4 into the accommodating space.

Wherein said top member 4 is screwed to said lower band half 11 so that the top member 4 can reciprocate relative to the inner wall of the annular clamping member 1, i.e. as mentioned above, when the annular clamping member 1 is looped over a transverse rod-like handrail, the top member 4 can be moved relative to the inner wall of the upper band half 12 by rotating the top member 4 on the lower band half 11, and the distance between the top member 4 and the upper band half 12 can be increased or decreased. If top tight piece 4 was established on first half clamp 12, rotatory top tight piece 4 back, top tight piece 4 just can be relative the inner wall motion of second half clamp 11, can increase or reduce top tight piece 4 and second half clamp 11's distance to can realize with annular holder 1 ring buckle on horizontal pole-like railing and fix and dismantle. When the support for connection measurement is disassembled, the support can be disassembled from the rail by only rotating and loosening the top fastening piece 4 and separating the second end of the lower half hoop 11 from the second end of the upper half hoop 12.

Specifically, the suspension member 3 includes a cross bar 31 and a stopper 32, the cross bar 31 has a first end and a second end, the stopper 32 is disposed at the first end of the cross bar 31, and the second end of the cross bar 31 is detachably connected to the steering link 2, and may be in a threaded connection or a snap connection. Wherein the cross bar 31 has a hanging part between the stopper 32 and the second end of the cross bar 31, and the hanging part is located outside the accommodating space of the annular clamping member 1; it is possible to suspend the wire or steel rule mounting means from the rail 31 without being obstructed by the annular clamp 1 and thus to drop vertically into the shaft. Meanwhile, the stop block 32 can limit and stop the steel wire or steel ruler suspension device to prevent the steel wire or steel ruler suspension device from sliding off. Meanwhile, the method does not need to wind a steel wire or a steel ruler on the steel pipe, and the steel pipe can be fixed on the protective guards on the two sides of the vertical shaft without the assistance of other people, so that the operation is convenient and simple, and manpower and material resources are saved.

Also, preferably, the hanging member 3 and the second end of the lower clamp 11 are respectively located at two sides of the annular clamping member 1 in the horizontal direction, that is, the second end of the lower clamp 11 and the second end of the upper clamp 12 are arranged at the outer side of the protective guard, so that the adjustable bracket provided on the vertical shaft protective guard of the present invention is convenient to install and disassemble.

Vertical length adjustment subassembly 5 includes head rod 51 and connects the second connecting rod 53 at head rod 51 top, head rod 51 with second connecting rod 53 can dismantle the connection from bottom to top in proper order, just head rod 51 connect in last half clamp 12, the top second connecting rod 53 detachably connect in turn to connecting piece 2. The first connecting rod 51 and the second connecting rod 53, and the first connecting rod 51 and the steering connecting piece 2 may be connected by threads or may be clamped. The second connecting rods 53 may be multiple, for example, the second connecting rods 53 may not be provided, or 1, 2, or 3 … … may be provided, and the length of the vertical length adjustment assembly 5 may be further adjusted by increasing or decreasing the number of the second connecting rods 53 according to the working condition beside the vertical shaft.

Understandably, when sundries are piled up in the protective guard, the hanging parts 3 can be blocked, so that the adjustable bracket of the application cannot be normally installed on the protective guard, the number of the second connecting rods 53 can be increased to adjust the vertical height, and therefore, the vertical shaft conditions under different working conditions can be met. If the vertical length adjusting component 5 is directly set to be fixed in length and long in length, not only materials are wasted, but also the burden of measurement labor is increased, and the vertical length adjusting component is not easy to carry. Or a light and thin frame structure is adopted for easy carrying, and the stability is poor. Especially, when sundries are not stacked beside the vertical shaft, the applicability is poor.

Finally, the position of the steel wire or the steel ruler is adjusted to meet the observation condition required by the connection measurement, and the jacking piece 4 can be screwed on the protective guard.

Preferably, as shown in fig. 1, the utility model discloses an adjustable support of locating vertical shaft head rail guard, including a plurality of flying piece 3, it is a plurality of flying piece 3 can dismantle in proper order and link to each other, because the well head and the shaft bottom diameter of same well shaft are different, and the well head of different well shafts also has the difference with the diameter in the shaft bottom, and the guard wall of different well shafts is also different from the distance of well head, so adopt a plurality of detachable flying piece 3. The number of the hanging pieces 3 can be increased or decreased according to the specific situation during the contact measurement, so that the cross bar 31 far away from the vertical length adjusting assembly 5 is in a proper position, and then a steel wire or a steel ruler can smoothly drop into an oil drum in a shaft. For convenience of manufacture, each of the suspension members 3 includes the cross bar 31 and the stopper 32, so that it is known that when a plurality of suspension members 3 are connected in sequence, the second end portion of the innermost suspension member 3 can be detachably connected to the steering link 2. The connection between the suspension members 3, the second ends of the suspension members 3 and the steering linkage 2 can be a threaded connection or a clamping connection.

Preferably, as shown in fig. 1, as a preferred embodiment of the steering link 2, the steering link 2 has a first portion 21 and a second portion 22 that are vertically connected to each other, the first portion 21 is detachably connected to the second connecting rod 53, and as mentioned above, the connection manner of the first portion 21 and the second connecting rod 53 may be a threaded connection or a snap connection. The second portion 22 is detachably connected to the second end portion of the cross rod 31, and the second portion 22 and the second end portion of the cross rod 31 can be connected in a threaded manner or in a clamping manner. The first portion 21 and the second portion 22 are perpendicular to each other, that is, the vertical length adjustment assembly 5 and the hanger 3 are perpendicular to each other. When the installation, let vertical length adjustment subassembly 5 vertical setting, that is to say suspension member 3 can be on a parallel with the ground, so steel wire or steel rule just can hang and keep away from vertical length adjustment subassembly 5 when horizontal pole 31, can be by stopper 32 spacing stop can not the landing, because suspension member 3 level and have certain length, steel wire or steel rule also can not follow vertical length adjustment subassembly 5 landing. In addition, when the vertical length adjusting assembly 5 is erected on the guard rail, the suspension member 3 has a better stress base; and make first clamp 12 atress symmetry is even, avoids produced compressive stress and tensile stress are too big on first clamp 12, and is also the biggest concentrated stress diminishes, reduces hang behind steel wire or the steel rule first clamp 12 with the current too early fatigue damage of vertical length adjustment subassembly 5 junction improves life.

At this time, the vertical length adjustment assembly 5 is perpendicular to the contact surface of the upper half hoop 12 and the lower half hoop 11, so that the contact surface of the upper half hoop 12 and the lower half hoop 11 is parallel to the ground. If will again the rail guard outside is located with the second end of lower half clamp 11 with the second end of first half clamp 12, then installation and dismantlement the utility model discloses an adjustable support of locating vertical shaft mouth rail guard will conveniently implement.

Preferably, as shown in fig. 2, a plane formed by the vertical length adjustment assembly 5 and the hanging member 3 is parallel to a radial section of the annular clamping member 1, that is, the hanging member 3 is perpendicular to the axis of the transverse rail on a horizontal plane, when the vertical length adjustment assembly 5 is vertically arranged after being installed, the size of the hanging member 3 is shorter, the rigidity or stability of the whole bracket is improved, and the hanging stability of the steel wire or steel ruler installation device is better.

Preferably, the utility model discloses a support with adjustable locate vertical shaft mouth rail guard still includes adjustable bracing subassembly 7, adjustable bracing subassembly 7 connect in flying piece 3 with on the first clamp 12, vertical length adjustment subassembly 5, flying piece 3 and adjustable bracing subassembly 7 can form certain stable frame construction so, and frame construction has the quality light, intensity is high, the high specificity of mechanical stability, can support for flying piece 3 provides good atress, that is exactly provides good atress for the installation device who hangs steel wire or steel chi.

Because the vertical length adjustment assembly 5 is vertically adjustable, the length of the adjustable diagonal strut assembly 7 must also be adjustable to provide support reinforcement in cooperation with the vertical length adjustment assembly 5 and the hanger 3. Therefore, the adjustable inclined strut assembly 7 comprises a first inclined rod 71, a second inclined rod 72 and a third inclined rod 73, wherein the first inclined rod 71, the third inclined rod 73 and the second inclined rod 72 are sequentially detachably connected from bottom to top, and can be in threaded connection or clamped connection. The first diagonal 71 is connected to the upper yoke half 12 and the second diagonal 72 is detachably connected to the cross bar 31. When the number of the second connecting rods 53 on the vertical length adjustment assembly 5 is increased, the number of the third tilting rods 73 is also increased at the same time; conversely, when the number of the second connecting rods 53 on the vertical length adjustment assembly 5 is reduced, the number of the third tilting rods 73 is also reduced at the same time. In order to adjust the number of the third inclined rods 73 in a matching manner, the second inclined rods 72 also have to be detachably connected with the third inclined rods 73, and can be in threaded connection or clamping connection; the second diagonal 72 must also be detachably connected to the cross bar 31.

Preferably, as shown in fig. 1, as a preferred embodiment of the adjustable diagonal bracing assembly 7, the adjustable diagonal bracing assembly 7 further includes a clip 74, the clip 74 is movably connected to the second diagonal rod 72, and the clip 74 is snapped on the cross rod 31. After the number of the third inclined bars 73 is adjusted and the third inclined bars 73 are installed on the first inclined bars 71, the second inclined bars 72 are connected to the adjacent third inclined bars 73, wherein the clips 74 can rotate around the second inclined bars 72 to meet the connection space between the third inclined bars 73 and the second inclined bars 72, and finally the second inclined bars 72 are connected to the cross bars 31 through the clips 74, so that the adjustable inclined strut assemblies 7 can be fixed on the hanging members 3 to play a role in strengthening the rigidity of the vertical length adjustment assemblies 5 and the hanging members 3.

Preferably, as shown in fig. 1, as a preferred embodiment of the fastening member 4, the fastening member 4 comprises a fastening screw 41 and a top plate 42, the top plate 42 is provided at the end of the fastening screw 41 in the accommodating space of the annular clamping member 1, and the area of the top plate 42 is larger than the radial cross-sectional area of the fastening screw 41. Understandably, when the installation the utility model discloses a during the support with adjustable, when annular holder 1 by the latch closure on horizontal shaft-like railing, through rotatory tight screw rod 41 in the top on second clamp 11, top tight screw rod 41 just can be relative the inner wall motion of first clamp 12, increase top tight screw rod 41 tip and the distance of first clamp 12 (that if top tight piece 4 establishes first clamp 12, rotatory top tight screw rod 41 is also so). Finally, the screw rod 41 is rotated and tightly pushed until the rod-shaped railing is contacted, and a certain force is applied to fix the annular clamping piece 1 on the protective railing. The top plate 42 is arranged at the tail end of the jacking screw rod 41 in the accommodating space of the annular clamping piece 1, the area of the top plate 42 is larger than the radial cross section area of the jacking screw rod 41, the stress area of the jacking piece 4 and the rod-shaped handrail can be increased, the handrail is stressed uniformly, and stress concentration is reduced; the stability of the bracket for measurement is good. Wherein, can set up two sets of top piece 4 (as shown in fig. 2), can make the lifting surface area of top piece 4 and shaft-like railing bigger, the atress of shaft-like railing is more even, reduces stress concentration, improves a stability ability.

Preferably, as shown in fig. 1, as a preferred embodiment of the tightening member 4, the axis of the tightening screw 41 coincides with the center line of symmetry of the radial section of the lower half yoke 11, that is, the tightening screw 41 is located at the middle position of the radial section of the lower half yoke 11 or the upper half yoke 12, so that when the tightening member 4 is located on the lower half yoke 11, the fixing force of the lower half yoke 11 and the rod-shaped handrail can be uniform; when the tightening piece 4 is positioned on the upper half hoop 12, the lower half hoop 11 and the rod-shaped handrail can be fixed uniformly; the installation stability of the bracket is improved.

In addition, the tightening member 4 further comprises a second butterfly handle 43, and the second butterfly handle 43 is arranged at the end of the tightening screw 41 outside the accommodating space of the annular clamping member 1. When the installation or dismantle the utility model discloses a during support with adjustable, can hold the rotatory top of second butterfly handle 43 and tie up 4, second butterfly handle 43 accords with human engineering, easily application of force to it is convenient comfortable to hold.

Preferably, as shown in fig. 1, as a preferred embodiment of the annular clamping member 1, a first end of the lower clamp half 11 and a first end of the upper clamp half 12 are rotatably connected by a rotating shaft 13. When installing the support, need open lower half clamp 11 from first clamp 12, so adopt rotation axis 13, when opening the second end of second half clamp 11, second half clamp 11 is rotatory certain angle around rotation axis 13 at this moment for form the open space between second half clamp 11 and the first half clamp 12, can be with the smooth ring buckle of annular holder 1 on horizontal shaft-like railing. Through rotation axis 13, can realize opening and shutting fast of annular holder 1, and rotation axis 13 simple structure is durable, light in weight for support overall weight is little, portable on-the-spot.

Preferably, as shown in fig. 1, as a preferred embodiment of the annular clamping member 1, the second end of the lower band half 11 and the second end of the upper band half 12 are connected by a fastening assembly 6 through screw threads. Fastening components 6 includes threaded rod 61 and first butterfly handle 62, threaded rod 61 threaded connection the second end of half clamp 11 down and the second end of half clamp 12 need be fixed with 1 pipe of annular holder when with the annular holder 1 latch closure on horizontal shaft-like railing, use threaded rod 61 to run through under the second end of half clamp 11 and between the second end of half clamp 12, just can with shaft-like railing latch closure in the accommodation space of annular holder 1 to can realize the fixed of support. The first butterfly handle 62 is arranged at one end of the threaded rod 61. It can be understood that the first butterfly handle 62 is arranged at one end of the threaded rod 61, and the first butterfly handle 62 is similar to a pair of wings of a butterfly, so that the threaded rod 61 is convenient and comfortable to hold and is easier to apply force, and the butterfly handle accords with ergonomics. Further, a sheet-like body having the same thickness as the threaded rod 61 is provided at the tip of the threaded rod 61 on the side where the first butterfly knob 62 is located, so that the hand can be protected from being injured by the threaded rod 61.

In the foregoing detailed description, various features are grouped together in a single embodiment for the purpose of streamlining the disclosure. This method of disclosure is not to be interpreted as reflecting an intention that the claimed embodiments of the subject matter require more features than are expressly recited in each claim. Rather, as the following claims reflect, the invention lies in less than all features of a single disclosed embodiment. Thus, the following claims are hereby expressly incorporated into the detailed description, with each claim standing on its own as a separate preferred embodiment of the invention.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. To those skilled in the art; various modifications to these embodiments will be readily apparent, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the disclosure. Thus, the present disclosure is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

What has been described above includes examples of one or more embodiments. It is, of course, not possible to describe every conceivable combination of components or methodologies for purposes of describing the aforementioned embodiments, but one of ordinary skill in the art may recognize that many further combinations and permutations of various embodiments are possible. Accordingly, the embodiments described herein are intended to embrace all such alterations, modifications and variations that fall within the scope of the appended claims. Furthermore, to the extent that the term "includes" is used in either the detailed description or the claims, such term is intended to be inclusive in a manner similar to the term "comprising" as "comprising" is interpreted when employed as a transitional word in a claim. Furthermore, any use of the term "or" in the specification of the claims is intended to mean a "non-exclusive or".

The above-mentioned embodiments, further detailed description of the objects, technical solutions and advantages of the present invention, it should be understood that the above description is only the embodiments of the present invention, and is not intended to limit the scope of the present invention, and any modifications, equivalent substitutions, improvements, etc. made within the spirit and principle of the present invention should be included in the scope of the present invention.

Claims

1. An adjustable support arranged on a vertical shaft mouth protective guard is characterized by comprising an annular clamping piece (1), a suspension piece (3), a vertical length adjusting assembly (5), a steering connecting piece (2) and a tightening piece (4);

the vertical length adjusting assembly (5) is connected to the annular clamping piece (1), the suspension piece (3) is detachably connected to the steering connecting piece (2), the steering connecting piece (2) is detachably connected to the vertical length adjusting assembly (5), and the jacking piece (4) is arranged on the annular clamping piece (1);

the annular clamping piece (1) comprises a lower half clamping hoop (11) and an upper half clamping hoop (12), wherein the first end of the lower half clamping hoop (11) is rotatably connected with the first end of the upper half clamping hoop (12), and the second end of the lower half clamping hoop (11) is detachably connected with the second end of the upper half clamping hoop (12); the lower half hoop (11) and the upper half hoop (12) form an accommodating space inside;

the hanger (3) comprises a cross bar (31) and a stop (32), the cross bar (31) is provided with a first end part and a second end part, the stop (32) is arranged at the first end part of the cross bar (31), and the second end part of the cross bar (31) is detachably connected to the steering connecting piece (2); the cross bar (31) is provided with a hanging part which is arranged between the stop block (32) and the second end part of the cross bar (31) and is positioned outside the accommodating space of the annular clamping piece (1);

the vertical length adjusting assembly (5) comprises a first connecting rod (51) and a second connecting rod (53) connected to the top of the first connecting rod (51), the first connecting rod (51) and the second connecting rod (53) are detachably connected from bottom to top in sequence, the first connecting rod (51) is connected to the upper half hoop (12), and the second connecting rod (53) at the top is detachably connected to the steering connecting piece (2);

the top fastening piece (4) is screwed on the lower half hoop (11).

2. The adjustable bracket arranged on a vertical shaft mouth guard rail according to claim 1, which comprises a plurality of suspension members (3), wherein the suspension members (3) are sequentially detachably connected; and the second end of the hanger (3) at the innermost end is detachably connected to the steering link (2).

3. The adjustable support of a vertical well mouth guard rail according to claim 1, wherein the steering linkage (2) has a first portion (21) and a second portion (22) which are vertically connected with each other, the first portion (21) is detachably connected to the second connecting rod (53), the second portion (22) is detachably connected to the second end of the cross rod (31), and the vertical length adjustment assembly (5) is perpendicular to the contact surface of the upper half clamp (12) and the lower half clamp (11).

4. Adjustable support provided to a vertical shaft mouth guard rail according to claim 3, characterized in that the plane formed by the vertical length adjustment assembly (5) and the suspension member (3) is parallel to the radial section of the annular clamping member (1).

5. The adjustable support provided on a vertical well mouth guard rail according to claim 1, further comprising an adjustable diagonal bracing assembly (7), wherein the adjustable diagonal bracing assembly (7) is connected to the suspension member (3) and the upper half hoop (12);

adjustable bracing subassembly (7) include first down tube (71), second down tube (72) and third down tube (73), first down tube (71) third down tube (73) with second down tube (72) can dismantle the connection from bottom to top in proper order, first down tube (71) connect in first half clamp (12), second down tube (72) detachably connect in on horizontal pole (31).

6. The adjustable support provided on a vertical well mouth guard rail according to claim 5, wherein the adjustable bracing assembly (7) further comprises a clip (74), the clip (74) is movably connected to the second diagonal rod (72), and the clip (74) is buckled on the cross rod (31).

7. A bracket according to claim 1, characterized in that the tightening member (4) comprises a tightening screw (41) and a top plate (42), the top plate (42) is arranged at the end of the tightening screw (41) in the accommodation space of the annular clamping member (1), and the area of the top plate (42) is larger than the radial cross-sectional area of the tightening screw (41).

8. A support according to claim 7, characterized in that the axis of the tightening screw (41) coincides with the centre line of symmetry of a radial section of the lower band half (11).

9. A bracket according to claim 1, characterized in that the first end of the lower half band (11) is rotatably connected to the first end of the upper half band (12) by means of a rotation shaft (13).

10. A bracket according to claim 1, characterized in that the second end of the lower half clamp (11) and the second end of the upper half clamp (12) are screwed together by a fastening assembly (6); fastening components (6) include threaded rod (61) and first butterfly handle (62), threaded rod (61) threaded connection the second end of half clamp (11) down and the second end of half clamp (12), first butterfly handle (62) are located the one end of threaded rod (61).