CN219840121U - Soil body supporting device - Google Patents

Abstract

The utility model discloses a soil body supporting device, which comprises: the soil mass supporting device comprises a supporting ring, a driving device and a plurality of supporting rods, wherein the supporting ring is used for supporting soil mass along the circumferential direction, the driving device is arranged in an inner hole of the supporting ring and used for generating driving force, and the supporting rods are sequentially arranged between the driving device and the supporting ring at intervals along the circumferential direction. The support ring is annular and is stressed to expand outwards or tighten inwards. The inner ends of the support rods are connected with the driving device, the opposite outer ends of the support rods extend towards the support ring, the outer ends of part of the support rods are connected with the support ring, and the support rods are used for stretching along the axial direction of the support rods under the action of the driving device, so that the support ring is correspondingly driven to expand outwards or tighten inwards. In this novel device, can support the soil body along the annular, area of support is big, so is difficult for causing the soil body to collapse, and annular supporting stability is good, and the work progress is safe, and the use of the transportation of being convenient for and different occasions still can adapt to the excision construction demand of the former pipe of different external diameters better, and device adaptability is strong.

Description

Soil body supporting device

Technical Field

The utility model relates to the technical field of steel lining construction, in particular to a soil body supporting device.

Background

With the increasing saturation of urban development in China and the increasing demand of underground space development, pipeline systems are an important component of the existing municipal infrastructure, and municipal pipe networks can continuously generate loss until breakage occurs along with the continuous lapse of time. At this time, the upper part of the municipal pipe network is often changed into a busy area, the existing pipe network is difficult to excavate and repair in consideration of the existing traffic and structures, and the pipeline repair measures are continuously improved, so that the non-excavation pipeline repair technologies such as an in-situ curing method, a spiral winding method, a folding lining method and a short pipe lining method are widely applied to the present day.

At present, the technical specifications related to the non-excavation pipe expansion of the pipeline at home and abroad are very few, but in the complex non-excavation defect repair of the pipeline, the situation that the pipe expansion and the flow expansion or the pipe expansion and the pipe entering construction are required is inevitably encountered, and the excavation construction is generally adopted for ensuring the construction safety, so that a construction method capable of safely and reliably carrying out the non-excavation pipe expansion construction is sought, and the common problem in the industry is achieved.

In the non-excavation pipe expanding construction, the original pipe needs to be cut, and in the prior art, before the original pipe is cut, a jack is usually adopted for soil body support. The jack can only support soil bodies in the upper direction and the lower direction, the support area is small, the soil bodies collapse easily in the construction process, the support stability is poor, and great potential safety hazards exist in construction.

Disclosure of Invention

The utility model provides a soil body supporting device, which solves the technical problems that the existing jack is adopted to support, the supporting area is small, the soil body is easy to collapse in the construction process, the supporting stability is poor, and the construction has larger potential safety hazard.

The technical scheme adopted by the utility model is as follows:

a soil body supporting device comprising: the soil mass supporting device comprises a supporting ring, a driving device and a plurality of supporting rods, wherein the supporting ring is used for supporting soil mass along the circumferential direction, the driving device is arranged in an inner hole of the supporting ring and used for generating driving force, and the supporting rods are sequentially arranged between the driving device and the supporting ring at intervals along the circumferential direction; the support ring is annular and is stressed to be outwards expanded or inwards tightened; the inner ends of the support rods are connected with the driving device, the opposite outer ends of the support rods extend towards the support ring, the outer ends of part of the support rods are connected with the support ring, and the support rods are used for stretching along the axial direction of the support rods under the action of the driving device, so that the support ring is correspondingly driven to expand outwards or tighten inwards.

Further, the support ring comprises a plurality of support sheets which are arranged in sequence along the circumferential direction and are movably connected; one of the supporting sheets is fixedly connected with the outer end of the supporting rod piece which is correspondingly arranged to form a fixing sheet, so that the fixing sheet drives the rest supporting sheets to act under the action of the connected supporting rod piece, and the supporting ring is outwards expanded or inwards tightened.

Further, the supporting sheet is an arc-shaped sheet extending along the circumferential direction; each supporting piece is arranged corresponding to a plurality of groups of supporting rod pieces at the same time.

Further, the soil body supporting device also comprises a group of locking connecting pieces and a plurality of groups of adjusting connecting pieces; the locking connecting piece is connected between the first side of the fixing piece and the adjacent supporting piece and used for locking and fixing the supporting ring after the supporting ring is unfolded or folded in place; the multiple groups of adjusting connecting pieces are respectively arranged between two adjacent supporting sheets and between the second side of the fixing sheet and the adjacent supporting sheets, so that the adjacent supporting sheets or the adjacent fixing sheet and the supporting sheets are movably connected in the circumferential direction in pairs, and the supporting ring is outwards expanded or inwards tightened.

Further, the adjusting connecting piece comprises a connecting groove arranged on one of the adjacent supporting sheets and a connecting bolt arranged on the other adjacent supporting sheet or the fixed sheet, the connecting groove penetrates through the plate surface of the supporting sheet and extends along the arc line of the supporting sheet, and the connecting bolt penetrates through the connecting groove; alternatively, the adjustment connection is a quick lock.

Further, the locking connecting piece comprises a connecting piece fixed on the outer surface of the supporting piece and a locking screw arranged on the first side of the fixing piece; the connecting sheet is provided with a gear groove which penetrates through the board surface and extends along an arc line; the locking screw is sequentially penetrated in the fixing sheet, the supporting sheet and the connecting sheet and then is clamped in the gear groove, and the locking screw is clamped at different positions in the gear groove so as to meet the locking requirements of supporting rings with different outer diameters.

Further, each support rod piece comprises a storage rod and a support rod matched and arranged in the storage rod; the storage rod is a hollow rod with two ends communicated, an inner thread is processed on the inner wall of the storage rod, the inner end of the storage rod is fixedly connected with the driving device, and the opposite outer end of the storage rod extends towards the supporting sheet; the outer wall of the supporting rod is provided with external threads, the inner end of the supporting rod stretches into the driving device and then is connected with the driving device, the opposite outer end of the supporting rod stretches out and draws back the storage rod along the axial direction, and the supporting rod is used for rotating under the action of the driving device and then moving along the axial direction in a telescopic manner.

Further, the soil body supporting device also comprises a fixing ring for enhancing structural stability and a lamp strip for illumination; the fixed ring is fixedly arranged on the periphery of the driving device, and each storage rod is fixedly penetrated with the fixed ring; the lamp belt is arranged on the fixed ring in a surrounding way.

Further, the driving device comprises a mounting box, a control device arranged in the mounting box, a driving motor connected with the control device and a gear motor connected with the driving motor; the inner end of the supporting rod is connected with the gear motor to rotate under the action of the gear motor.

Further, the control device comprises a controller and a sensor connected with the controller; the driving motor is connected with the controller; the sensor is also connected with the inner end of the supporting rod.

The utility model has the following beneficial effects:

compared with the prior art that the jack is adopted for supporting the soil body, in the device, the support ring is outwards expanded for supporting the soil body, and the support ring is annular and can support the soil body along the annular direction, so that the support area is large, the collapse of the soil body is not easy to cause in the construction process, the annular support stability is good, the construction process is safe, and potential safety hazards are not easy to occur; on the other hand, the supporting ring can be outwards expanded or inwards tightened under the stress, so that the supporting ring is convenient to transport and use in different occasions, can be better adapted to the cutting construction requirements of the original pipes with different outer diameters, and has strong device adaptability.

In addition to the objects, features and advantages described above, the present utility model has other objects, features and advantages. The present utility model will be described in further detail with reference to the drawings.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the utility model. In the drawings:

FIG. 1 is a schematic view of a soil body supporting device according to a preferred embodiment of the present utility model in an outwardly expanded condition;

FIG. 2 is a schematic view of the soil supporting device of FIG. 1 in a disassembled state;

FIG. 3 is a schematic view of the soil body supporting device of the preferred embodiment of the present utility model in an inwardly tightened state;

fig. 4 is a schematic top view of a portion of the locking connection of fig. 1.

Description of the drawings

10. A support ring; 11. a support sheet; 20. a driving device; 21. a mounting box; 221. a controller; 30. a support rod; 31. a storage rod; 32. a support rod; 40. locking the connecting piece; 41. a connecting sheet; 410. a gear groove; 42. a locking screw; 50. a fixing ring; 60. a handle.

Detailed Description

Embodiments of the utility model are described in detail below with reference to the attached drawing figures, but the utility model can be practiced in a number of different ways, as defined and covered below.

Referring to fig. 1-3, a preferred embodiment of the present utility model provides a soil body supporting device comprising: the soil mass supporting device comprises a supporting ring 10 for supporting the soil mass along the circumferential direction, a driving device 20 arranged in an inner hole of the supporting ring 10 for generating driving force, and a plurality of supporting rods 30 which are sequentially arranged between the driving device 20 and the supporting ring 10 at intervals along the circumferential direction. The support ring 10 is annular and is forced to expand outwardly or tighten inwardly. The inner end of each support rod 30 is connected with the driving device 20, the opposite outer end extends towards the support ring 10, and the outer end of part of the support rods 30 is connected with the support ring 10, and the support rods 30 are used for expanding and contracting along the axial direction under the action of the driving device 20, so that the support ring 10 is correspondingly driven to expand outwards or tighten inwards.

When the soil body supporting device is used for supporting the soil body, the driving device 20 is started firstly, the driving device 20 drives the plurality of supporting rods 30 to synchronously extend outwards along the respective axial directions, and the supporting rods 30 are propped against and drive the supporting ring 10 to act after extending, so that the supporting ring 10 is outwards expanded along with the extending of the supporting rods 30 until the soil body at the periphery is propped up, and the soil body is supported as shown in fig. 1; after the soil body is supported, the driving device 20 is used for driving the support rod 30 reversely, and finally the support ring 10 is tightened inwards, as shown in fig. 3.

Compared with the prior art that the jack is adopted for supporting the soil body, in the device, the support ring 10 is expanded outwards for supporting the soil body, and the support ring 10 is annular and can support the soil body along the annular direction, so that the support area is large, the collapse of the soil body is not easy to cause in the construction process, the annular support stability is good, the construction process is safe, and potential safety hazards are not easy to occur; on the other hand, the supporting ring 10 can be outwards expanded or inwards tightened under the stress, so that the supporting ring is convenient to transport and use in different occasions, can better adapt to the cutting construction requirements of the original pipes with different outer diameters, and has strong device adaptability.

Alternatively, as shown in fig. 2, the support ring 10 includes a plurality of support pieces 11 disposed in sequence in the circumferential direction and movably connected. One of the supporting sheets 11 is fixedly connected with the outer end of the supporting rod 30 correspondingly arranged to form a fixing sheet, so that the fixing sheet drives the rest supporting sheets 11 to act under the action of the connected supporting rod 30, and the supporting ring 10 is outwards expanded or inwards tightened. In the alternative scheme, the support ring 10 comprises a plurality of support pieces 11 which are movably connected in sequence, so that the support ring 10 can be conveniently expanded outwards or tightened inwards along the radial direction after being stressed, and meanwhile, in order to ensure smooth expansion and contraction of the support ring 10, in the alternative scheme, only one support piece 11 is fixedly connected with a support rod piece 30 which is correspondingly arranged to form a fixed piece, and the rest support pieces 11 are movably connected with each other; during the operation, the fixing piece drives the rest support pieces 11 to operate under the action of the connected support rod 30, so that the support ring 10 is expanded outwards or tightened inwards, and the rest support pieces 11 may be still supported by the support rod 30.

In this alternative, as shown in fig. 2, the supporting pieces 11 are arc-shaped pieces extending along the circumferential direction, and the shapes of the supporting pieces 11 are the same, so as to uniformly bear force. Each supporting piece 11 corresponds the setting of multiunit support member 30 simultaneously, and support stability is strong, improves the construction safety.

Optionally, as shown in fig. 1-3, the soil supporting device further comprises a set of locking connectors 40 and a plurality of sets of adjustment connectors. The locking connection 40 is connected between the first side of the fixing piece and the adjacent support piece 11 for locking the fixing support ring 10 after the support ring 10 is opened or retracted in place to stabilize the outer diameter of the support ring 10. The multiple groups of adjusting connecting pieces are respectively arranged between two adjacent supporting pieces 11 and between the second side of the fixing piece and the adjacent supporting pieces 11, so that the adjacent supporting pieces 11 or the adjacent fixing piece and the supporting pieces 11 are movably connected in the circumferential direction in pairs, and the supporting ring 10 is outwards expanded or inwards tightened.

In this alternative, the first embodiment of the adjusting connector is not shown, and the adjusting connector includes a connecting slot disposed on one of the adjacent supporting sheets 11, and a connecting bolt disposed on the other adjacent supporting sheet 11 or the fixing sheet, where the connecting slot penetrates through the plate surface of the supporting sheet 11 and extends along the arc of the supporting sheet 11, and the connecting bolt penetrates into the connecting slot; in this structural arrangement, the adjusting connection piece plays a role in connecting adjacent support pieces 11, and in operation the support pieces 11 tightly support the soil body through corresponding support bars 30. Alternatively, the second embodiment of the adjusting and connecting member, not shown, is a quick lock commonly used in the existing market, and two adjacent support pieces 11 can be locked and connected at any relative position by the quick lock, so as to improve the working stability of the support ring 10.

In this alternative, as shown in fig. 2 and 4, the locking connector 40 includes a connecting piece 41 fixed to the outer surface of the supporting piece 11, and a locking screw 42 provided on the first side of the fixing piece. The connecting piece 41 is provided with a gear groove 410 extending in an arc line and penetrating the plate surface. The locking screw 42 sequentially penetrates through the fixing piece, the supporting piece 11 and the connecting piece 41 and then is clamped in the gear groove 410, and the locking screw 42 is clamped at different positions in the gear groove 410 so as to meet the locking requirements of the supporting rings 10 with different outer diameters. When in use, after the supporting ring 10 is opened or contracted in place, the locking screw 42 sequentially passes through the fixing piece, the supporting piece 11 and the connecting piece 41 and then is clamped in the corresponding gear groove 410 on the connecting piece 41, so that the supporting ring 10 is locked and fixed, the stability of the whole structure is improved, and the soil body is stably supported or is stably tightened for convenient carrying.

Alternatively, as shown in fig. 2, each support bar 30 includes a receiving bar 31, and a support bar 32 cooperatively installed in the receiving bar 31. The receiving rod 31 is a hollow rod with two ends communicated, an inner thread is processed on the inner wall of the receiving rod 31, the inner end of the receiving rod 31 is fixedly connected with the driving device 20, and the opposite outer end extends towards the supporting plate 11. The outer wall of the supporting rod 32 is provided with external threads, the inner end of the supporting rod 32 stretches into the driving device 20 and then is connected with the driving device 20, the opposite outer end of the supporting rod stretches out of the storage rod 31 along the axial direction, and the supporting rod 32 is used for rotating under the action of the driving device 20 and then moving along the axial direction in a telescopic manner. When the telescopic support rod piece is in operation, the driving device 20 is started, and then the plurality of support rods 32 are driven to synchronously rotate, and the support rods 32 relatively slide into or slide out of the storage rods 31 in the rotating process, so that the support rod piece 30 is telescopic along the axial direction.

Preferably, as shown in fig. 2, the soil body supporting device further comprises a fixing ring 50 for enhancing structural stability, and a lamp strip for illumination. The fixing ring 50 is fixedly mounted on the outer circumference of the driving device 20, and each storage rod 31 is fixedly penetrated through the fixing ring 50, so that the stability of the installation of the storage rod 31 is enhanced. The lamp strip is arranged on the fixed ring 50 in a surrounding way, so that the lamp strip is convenient to illuminate during operation.

Alternatively, as shown in fig. 2, the driving device 20 includes a mounting case 21, and a control device, a driving motor connected to the control device, and a gear motor connected to the driving motor provided in the mounting case 21. The inner end of the support rod 32 is connected to a gear motor to rotate under the action of the gear motor. When the control device works, the control device controls the driving motor to start, the driving motor drives the gear motor to work, and the gear motor drives the plurality of connected supporting rods 32 to synchronously rotate.

In this alternative, as shown in fig. 2, the control device includes a controller 221, and a sensor connected to the controller 221. The driving motor is connected to the controller 221. The sensor is also connected to the inner end of the support rod 32. When the controller 221 works, the driving motor is controlled to start, the sensor is a pressure sensor and is used for directly sensing the pressure at the end part of the supporting rod 32, and when the pressure value transmitted by the supporting rod 32 reaches a design value during the work, the pressure sensor is fed back to the controller 221, and the controller 221 stops the driving motor.

Preferably, as shown in fig. 1, the soil supporting device of the present utility model further comprises a handle 60 fixed to the end of the mounting case 21 for an operator to hold and carry the novel device.

The above description is only of the preferred embodiments of the present utility model and is not intended to limit the present utility model, but various modifications and variations can be made to the present utility model by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

Claims (10)

1. A soil body supporting device, comprising:

the soil mass supporting device comprises a supporting ring (10) for supporting the soil mass along the circumferential direction, a driving device (20) arranged in an inner hole of the supporting ring (10) for generating driving force, and a plurality of supporting rods (30) which are sequentially arranged between the driving device (20) and the supporting ring (10) at intervals along the circumferential direction;

the supporting ring (10) is annular and is stressed to expand outwards or tighten inwards;

the inner end of each support rod piece (30) is connected with the driving device (20), the opposite outer end extends towards the support ring (10), the outer end of part of the support rod pieces (30) is connected with the support ring (10), and the support rod pieces (30) are used for stretching along the axial direction under the action of the driving device (20) so as to correspondingly drive the support ring (10) to expand outwards or tighten inwards.

2. The soil body supporting device of claim 1, wherein,

the support ring (10) comprises a plurality of support sheets (11) which are sequentially arranged along the circumferential direction and are movably connected;

one of the supporting sheets (11) is fixedly connected with the outer end of the supporting rod piece (30) which is correspondingly arranged to form a fixing sheet, so that the fixing sheet drives the other supporting sheets (11) to act under the action of the connected supporting rod piece (30), and the supporting ring (10) is outwards expanded or inwards tightened.

3. A soil body supporting device as claimed in claim 2, wherein,

the supporting sheet (11) is an arc-shaped sheet extending along the circumferential direction;

each supporting piece (11) is arranged corresponding to a plurality of groups of supporting rod pieces (30) at the same time.

4. A soil body supporting device as claimed in claim 2, wherein,

the soil body supporting device also comprises a group of locking connecting pieces (40) and a plurality of groups of adjusting connecting pieces;

the locking connecting piece (40) is connected between the first side of the fixing piece and the adjacent supporting piece (11) and is used for locking and fixing the supporting ring (10) after the supporting ring (10) is unfolded or retracted in place;

the multiple groups of adjusting connecting pieces are respectively arranged between two adjacent supporting pieces (11) and between the second side of the fixing piece and the adjacent supporting pieces (11) so as to enable the adjacent supporting pieces (11) or the adjacent fixing piece and the supporting pieces (11) to be movably connected in the circumferential direction in pairs, so that the supporting ring (10) is outwards expanded or inwards tightened.

5. The soil body supporting device of claim 4, wherein,

the adjusting connecting piece comprises a connecting groove arranged on one of the adjacent supporting pieces (11) and a connecting bolt arranged on the other adjacent supporting piece (11) or the fixed piece, the connecting groove penetrates through the plate surface of the supporting piece (11) and extends along the arc line of the supporting piece (11), and the connecting bolt penetrates through the connecting groove; or alternatively

The adjusting connection piece is a quick lock.

6. The soil body supporting device of claim 4, wherein,

the locking connecting piece (40) comprises a connecting piece (41) fixed on the outer surface of the supporting piece (11) and a locking screw (42) arranged on the first side of the fixing piece;

a gear groove (410) which penetrates through the plate surface and extends along an arc line is formed in the connecting sheet (41);

the locking screw (42) is sequentially penetrated into the fixing sheet, the supporting sheet (11) and the connecting sheet (41) and then is clamped in the gear groove (410), and the locking screw (42) is clamped at different positions in the gear groove (410) so as to adapt to the locking requirements of the supporting rings (10) with different outer diameters.

7. A soil body supporting device as claimed in claim 2, wherein,

each support rod piece (30) comprises a storage rod (31) and a support rod (32) matched and arranged in the storage rod (31);

the storage rod (31) is a hollow rod with two communicated ends, an inner thread is processed on the inner wall of the storage rod (31), the inner end of the storage rod (31) is fixedly connected with the driving device (20), and the opposite outer end extends towards the supporting sheet (11);

the outer wall of the supporting rod (32) is provided with external threads, the inner end of the supporting rod (32) stretches into the driving device (20) and then is connected with the driving device (20), the opposite outer end of the supporting rod stretches out of the storage rod (31) along the axial direction, and the supporting rod (32) is used for rotating under the action of the driving device (20) and then stretching and moving along the axial direction.

8. The soil body supporting device of claim 7,

the soil body supporting device also comprises a fixed ring (50) for enhancing structural stability and a lamp strip for illumination;

the fixed ring (50) is fixedly arranged on the periphery of the driving device (20), and each storage rod (31) is fixedly penetrated through the fixed ring (50);

the lamp strip is arranged on the fixed ring (50) in a surrounding way.

9. The soil body supporting device of claim 7,

the driving device (20) comprises a mounting box (21), a control device arranged in the mounting box (21), a driving motor connected with the control device, and a gear motor connected with the driving motor;

the inner end of the support rod (32) is connected with the gear motor to rotate under the action of the gear motor.

10. The soil body supporting device of claim 9, wherein the soil body supporting device comprises a plurality of support members,

the control device comprises a controller (221) and a sensor connected with the controller (221);

the driving motor is connected with the controller (221);

the sensor is also connected to the inner end of the support rod (32).