CN216689434U

CN216689434U - Foundation pit inner supporting device for transformer substation construction

Info

Publication number: CN216689434U
Application number: CN202220301963.5U
Authority: CN
Inventors: 谢永涛; 华汉明; 巨斌; 禹文韬; 管书宇; 郭晗; 陈康; 姚帅
Original assignee: HENAN SIXTH CONSTRUCTION GROUP CO Ltd; Uhv Construction Branch Of State Grid Corp Of China
Current assignee: HENAN SIXTH CONSTRUCTION GROUP CO Ltd; Uhv Construction Branch Of State Grid Corp Of China
Priority date: 2022-02-15
Filing date: 2022-02-15
Publication date: 2022-06-07
Anticipated expiration: 2032-02-15

Abstract

The utility model provides a foundation pit inner supporting device for transformer substation construction, which comprises a mounting frame and two groups of first supporting plates, wherein one side of the mounting frame is provided with a connecting plate, the other side of the mounting frame is provided with an L-shaped frame connected through a lifting assembly, four groups of mounting columns on one side of the L-shaped frame are respectively sleeved with a supporting rod, one end of each supporting rod is provided with a transmission gear, one side of the L-shaped frame is provided with a double-sided rack in sliding connection, one side of the double-sided rack is provided with a push plate, one side of the L-shaped frame is provided with a fixed plate, the push plate and the fixed plate are connected through a hydraulic cylinder, and two sides of the double-sided rack are respectively meshed with the four groups of transmission gears; one end of the supporting rod is hinged with the connecting column at one end of the first supporting plate; the other end of the first supporting plate is provided with a second supporting plate which is connected through an extending mechanism. The device can be quick remove two sets of first backup pads to the foundation ditch in and open and support the foundation ditch inner wall, and the installation is all comparatively high-efficient with the dismantlement, and the convenience supports the foundation ditch that the width is different simultaneously.

Description

Foundation pit inner supporting device for transformer substation construction

Technical Field

The utility model belongs to the technical field of foundation pit supporting, and particularly relates to an inner supporting device of a foundation pit for construction of a transformer substation.

Background

A substation is a transitional device that connects a power plant to a customer. Because the distance from the power plant to the city and the factory using electricity is long, the voltage of the power plant needs to be increased and transmitted through a transformer substation, and then the voltage is reduced through the transformer substation after being transmitted to the electricity utilization area for people to use. And the process of transformer substation construction needs to be gone on in the foundation ditch, in order to prevent that the foundation ditch from taking place to warp, need use interior strutting arrangement to protect it.

Chinese utility model patent for 202020413950.8 provides a transformer substation construction is with interior strutting arrangement of foundation ditch, and this interior strutting arrangement is assembled, has reduced shared volume in the transportation, has increased the convenience of transportation, and can adjust the distance between two diaphragms and two curb plates, prevents inside the foundation ditch and the soil of ground edge is not hard up and falls into the foundation ditch, increases the support effect. However, the existing inner supporting device for the foundation pit needs to assemble all parts when being installed, needs to repeatedly adjust the positions among all components, needs to be manually moved out of the foundation pit after being disassembled, and is complex in installation and disassembly processes, so that the working efficiency is reduced to some extent.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problems, the utility model provides an inner supporting device for a foundation pit for construction of a transformer substation, which aims to solve the technical problem that in the prior art, the working efficiency is reduced due to the fact that most common inner supporting devices for the foundation pit are complicated to install and disassemble.

The utility model relates to a purpose and an effect of an inner supporting device of a foundation pit for construction of a transformer substation, which are achieved by the following specific technical means:

a foundation pit inner supporting device for transformer substation construction comprises a mounting frame and two groups of first supporting plates, wherein one side of the mounting frame is provided with a connecting plate, the other side of the mounting frame is provided with an L-shaped frame which is connected through a lifting assembly, four groups of mounting columns are arranged on one side of the L-shaped frame, supporting rods are sleeved on the four groups of mounting columns, a transmission gear is arranged at one end of each supporting rod, a T-shaped rail is arranged on one side of the L-shaped frame, a double-sided rack which is connected in a sliding mode is arranged on the T-shaped rail, a push plate is arranged on one side of the double-sided rack, a fixed plate is arranged on one side of the L-shaped frame, the push plate and the fixed plate are connected through a hydraulic cylinder, and two sides of the double-sided rack are respectively meshed with the four groups of transmission gears; two groups of connecting columns are arranged at one end of the first supporting plate, and one end of the supporting rod is hinged with the connecting columns; the other end of the first supporting plate is provided with a second supporting plate which is connected through an extending mechanism.

As a preferred technical scheme, lifting unit is including the lead screw, the mounting hole has all been seted up at the both ends of mounting bracket, wear to establish respectively at the both ends of lead screw two sets of in the mounting hole, be provided with solid fixed ring on the mounting bracket, gu be provided with drive motor in the fixed ring, drive motor's output shaft with the one end of lead screw is connected, set up threaded hole on the L type frame, the lead screw is worn to establish in the threaded hole.

As a preferred technical scheme, two sets of positioning holes are formed in the L-shaped frame, two sets of positioning rods are arranged on one side of the mounting frame, and the L-shaped frame is respectively sleeved on the two sets of positioning rods through the two sets of positioning holes and is in sliding connection with the mounting frame.

As a preferred technical scheme, one side of the L-shaped frame is provided with a bearing plate, the bearing plate is provided with an anti-skid pad, and the anti-skid pad is made of rubber.

As an optimal technical scheme, one side of the first supporting plate is provided with two groups of fixing seats, one ends of the fixing seats are provided with positioning columns, one side of the second supporting plate is provided with two groups of positioning cylinders, and the positioning columns are arranged in the positioning cylinders in a penetrating mode respectively.

As a preferred technical scheme, the extension mechanism comprises a fork frame and a bidirectional screw, wherein mounting wheels are arranged at two ends of the bidirectional screw, the mounting wheels are respectively clamped in the two groups of fixing seats, a control wheel is arranged on the bidirectional screw, a sliding frame is arranged on one side of each of the first supporting plate and the second supporting plate, two groups of sliding blocks are arranged in the sliding frame in a sliding manner, one side of each sliding block is provided with a connecting seat, the four groups of connecting seats are respectively hinged with four ends of the fork frame, one side of each connecting seat is provided with a threaded seat, and the two groups of threaded seats are respectively sleeved at two ends of the bidirectional screw.

As a preferred technical scheme, one end of the second support plate is provided with a side plate, one side of the second support plate is provided with two groups of bolt seats, fixing bolts penetrate through the bolt seats, and the side plate is connected with the second support plate through the two groups of fixing bolts.

Compared with the prior art, the utility model has the following beneficial effects:

1. this interior strutting arrangement of foundation ditch can fix the connecting plate of mounting bracket one side in the one end at construction vehicle when using, remove the device to the foundation ditch top through construction vehicle, and drive L type frame decline through elevating system, and then control two sets of first backup pads and second backup pad and descend to inside the foundation ditch, rethread control pneumatic cylinder extension, drive two-sided rack along T type track upward movement, thereby drive four groups of drive gear and rotate along the erection column simultaneously, rotate with four groups of bracing pieces of drive, every two groups of bracing pieces are opened through the cooperation control first backup pad lateral motion with the spliced pole at the pivoted in-process and can be supported the foundation ditch inner wall, only need control the pneumatic cylinder shrink and control elevating system reset during dismantlement can, installation and dismantlement are all very convenient, be convenient for support the foundation ditch that the width is different.

2. After the first supporting plate is moved to a proper position to support the inner wall of the foundation pit, the bidirectional screw rod can be rotated through the control wheel, two groups of connecting seats are driven to slide and fold in the sliding frame through threaded motion, and then the fork shearing frame is driven to move to control the transverse motion of the second supporting plate, the area of the inner wall of the foundation pit is adapted, meanwhile, the second supporting plate can drive the side plate to move to support one side of the foundation pit in the transverse motion process, the side plates with different sizes can be selected as required, and then the foundation pit is supported comprehensively, and the application range of the supporting device in the foundation pit is widened.

Drawings

Fig. 1 is a schematic view of the assembled structure of the present invention.

FIG. 2 is a schematic diagram of the structure of the present invention after being disassembled.

Fig. 3 is a schematic structural view of the mounting bracket of the present invention.

Fig. 4 is a schematic structural view of the first support plate.

Fig. 5 is an enlarged schematic view of the region a in fig. 2.

Fig. 6 is an enlarged schematic view of the region b in fig. 2.

In the drawings, the corresponding relationship between the component names and the reference numbers is as follows:

101. a mounting frame; 102. a connecting plate; 103. mounting holes; 104. a lead screw; 105. positioning a rod; 106. a fixing ring; 107. a drive motor; 201. an L-shaped frame; 202. a threaded hole; 203. positioning holes; 205. a fixing plate; 206. a hydraulic cylinder; 207. a T-shaped track; 208. mounting a column; 301. a first support plate; 302. a fixed seat; 303. a sliding frame; 305. connecting columns; 306. a positioning column; 401. a support bar; 402. a transmission gear; 403. a double-sided rack; 405. pushing the plate; 501. a bearing plate; 502. a non-slip mat; 601. a second support plate; 602. a positioning cylinder; 604. a bolt seat; 605. fixing the bolt; 606. a side plate; 701. a slider; 702. a connecting seat; 703. a fork shearing frame; 704. a threaded seat; 705. a bidirectional screw; 706. mounting wheels; 707. and controlling the wheel.

Detailed Description

The embodiments of the present invention will be described in further detail with reference to the drawings and examples. The following examples are intended to illustrate the technical solutions of the present invention, but should not be construed to limit the scope of the present invention.

Example (b):

as shown in fig. 1 to 5, the utility model provides an inner supporting device for a foundation pit for construction of a transformer substation, which comprises a mounting frame 101 and two groups of first supporting plates 301, wherein one side of the mounting frame 101 is provided with a connecting plate 102, and the other side is provided with an L-shaped frame 201 connected through a lifting assembly. Can pass through connecting plate 102 and construction vehicle fixed connection with mounting bracket 101 when using, and then conveniently with the quick top of removing to the foundation ditch of the device, need not artificially to carry it, reduce working strength. After moving to a proper area, the L-shaped frame 201 can be controlled to descend by the lifting assembly, and the two groups of first supporting plates 301 are moved to the inside of the foundation pit.

Four groups of mounting columns 208 are arranged on one side of the L-shaped frame 201, supporting rods 401 are sleeved on the four groups of mounting columns 208, a transmission gear 402 is arranged at one end of each supporting rod 401, a T-shaped track 207 is arranged on one side of the L-shaped frame 201, a double-sided rack 403 in sliding connection is arranged on the T-shaped track 207, a push plate 405 is arranged on one side of the double-sided rack 403, a fixing plate 205 is arranged on one side of the L-shaped frame 201, the push plate 405 and the fixing plate 205 are connected through a hydraulic cylinder 206, and two sides of the double-sided rack 403 are respectively meshed with the four groups of transmission gears 402; two groups of connecting columns 305 are arranged at one end of the first supporting plate 301, and one end of the supporting rod 401 is hinged with the connecting columns 305; the other end of the first support plate 301 is provided with a second support plate 601 connected by an extension mechanism.

After the first supporting plate 301 moves to the inside of the foundation pit, the push plate 405 can be driven to move upwards by controlling the hydraulic cylinder 206 to stretch and retract, so that the double-sided rack 403 is driven to move upwards along the T-shaped track 207, the double-sided rack 403 drives the four groups of transmission gears 402 to rotate along the mounting column 208 simultaneously through meshing with the four groups of transmission gears 402 in the moving process, the rotating direction of the two groups of transmission gears 402 is opposite to that of the other two groups of transmission gears 402, and then the four groups of supporting rods 401 are controlled to rotate, so that the two groups of first supporting plates 301 are controlled to move transversely to be opened and fixed, and two sides of the inner wall of the foundation pit are supported. After the first support plate 301 is fixed, the second support plate 601 may be controlled to extend by an extension mechanism to enlarge the support area.

As shown in fig. 1, 2, 3, and 5, the lifting assembly includes a screw 104, mounting holes 103 have been all opened at the both ends of the mounting frame 101, the both ends of the screw 104 are respectively penetrated and established in two sets of mounting holes 103, the last fixed ring 106 that is provided with of the mounting frame 101 is provided with a drive motor 107 in the fixed ring 106, the output shaft of the drive motor 107 is connected with one end of the screw 104, a threaded hole 202 is opened on the L-shaped frame 201, and the screw 104 is penetrated and established in the threaded hole 202. Through driving motor 107 control lead screw 104 rotation, and then drive L type frame 201 up-and-down motion through threaded motion to in removing two sets of first backup pad 301 to the foundation ditch or shift out the foundation ditch, need not artificial control L type frame 201 and two sets of first backup pad 301 and remove, reduce the working strength that the foundation ditch supported, improve the work efficiency of transformer substation construction.

As shown in fig. 3 and 5, two sets of positioning holes 203 are formed in the L-shaped frame 201, two sets of positioning rods 105 are disposed on one side of the mounting frame 101, and the L-shaped frame 201 is respectively sleeved on the two sets of positioning rods 105 through the two sets of positioning holes 203 and slidably connected to the mounting frame 101. The positioning rod 105 is arranged to position the movement track of the L-shaped frame 201, so that the lead screw 104 is prevented from driving the L-shaped frame 201 to rotate in the rotating process, and the stability of the device is improved.

As shown in fig. 1 and 5, one side of the L-shaped frame 201 is provided with a bearing plate 501, the bearing plate 501 is provided with a non-slip pad 502, and the non-slip pad 502 is made of rubber. In the process of controlling the descending of the L-shaped frame 201, a constructor can stand on the bearing plate 501 and enter a foundation pit, and the non-slip mat 502 prevents the constructor from sliding and falling, so that the functionality of the device is improved.

As shown in fig. 2 and 4, two sets of fixing bases 302 are disposed on one side of the first supporting plate 301, positioning posts 306 are disposed on one ends of the fixing bases 302, two sets of positioning cylinders 602 are disposed on one side of the second supporting plate 601, and the two sets of positioning posts 306 are respectively inserted into the two sets of positioning cylinders 602. The positioning column 306 is arranged to position the movement track of the second supporting plate 601, so as to prevent the movement of the second supporting plate 601 from shifting when the second supporting plate 601 is opened, thereby improving the stability of supporting the foundation pit.

As shown in fig. 1, 2, 4, and 6, the extending mechanism includes a fork rack 703 and a bidirectional screw 705, two ends of the bidirectional screw 705 are respectively provided with a mounting wheel 706, the two mounting wheels 706 are respectively clamped in the two fixing seats 302, the bidirectional screw 705 is provided with a control wheel 707, one sides of the first support plate 301 and the second support plate 601 are respectively provided with a sliding frame 303, the sliding frame 303 is slidably clamped with two sliding blocks 701, one side of the sliding block 701 is provided with a connecting seat 702, the four connecting seats 702 are respectively hinged with four ends of the fork rack 703, one side of the two connecting seats 702 is provided with a threaded seat 704, and the two threaded seats 704 are respectively sleeved at two ends of the bidirectional screw 705.

After the first supporting plate 301 moves to a proper position, the two-way screw 705 can be driven to rotate by the rotation control wheel 707, and then the two sets of sliders 701 are driven to slide and close in the sliding frame 303 through thread movement, wherein the two sets of sliders 701 control the fork shearing frame 703 to move in the moving process, and the second supporting plate 601 is controlled to move and open along the positioning column 306 through the matching of the fork shearing frame 703 and the other two sets of sliders 701, so that the supporting area is enlarged.

As shown in fig. 1 and 2, a side plate 606 is disposed at one end of the second support plate 601, two sets of bolt seats 604 are disposed at one side of the second support plate 601, fixing bolts 605 penetrate through the bolt seats 604, and the side plate 606 is connected to the second support plate 601 through the two sets of fixing bolts 605. The side plate 606 connected through the fixing bolt 605 is arranged to support one side of the foundation pit, and in addition, the side plate 606 can be added to the other end of the second support plate 601 in some embodiments to support the foundation pit in all aspects, so that the foundation pit is effectively prevented from deforming or collapsing. The size of the side plate 606 can be selected as required, improving the application range.

The specific use mode and function of the embodiment are as follows:

the support device in the foundation pit can fix the connecting plate 102 at one side of the mounting frame 101 at one end of a construction vehicle when in use, the device is moved to the upper part of the foundation pit by a construction vehicle, and the L-shaped frame 201 is driven to descend by a lifting mechanism, and then the two groups of first supporting plates 301 and second supporting plates 601 are controlled to descend to the inside of the foundation pit, and then the double-sided rack 403 is driven to move upwards along the T-shaped track 207 by controlling the hydraulic cylinder 206 to extend, thereby drive four group drive gear 402 and rotate along erection column 208 simultaneously to drive four group's bracing piece 401 and rotate, every two groups bracing piece 401 can support the foundation ditch inner wall through opening with the first backup pad 301 lateral motion of cooperation control of spliced pole 305 at the pivoted in-process, only need during the dismantlement control pneumatic cylinder 206 shrink and control elevating system reset can, installation and dismantlement all very convenient, be convenient for support the foundation ditch that the width is different.

After the first supporting plate 301 is moved to a proper position to support the inner wall of the foundation pit, the bidirectional screw 705 can be rotated through the control wheel 707, two groups of connecting seats 702 are driven to slide and fold in the sliding frame 303 through threaded motion, and then the fork shearing frame 703 is driven to move to control the transverse motion of the second supporting plate 601, so that the area of the inner wall of the foundation pit is adapted, meanwhile, the second supporting plate 601 can drive the side plate 606 to move to support one side of the foundation pit in the transverse motion process, the side plates 606 with different sizes can be selected as required, and further, the foundation pit is supported comprehensively, and the application range of the supporting device in the foundation pit is expanded.

The basic principles and the main features of the utility model and the advantages of the utility model have been shown and described above, it being obvious to a person skilled in the art that the utility model is not limited to the details of the above-described exemplary embodiments.

Claims

1. Interior strutting arrangement of foundation ditch for transformer substation construction, its characterized in that: comprises a mounting rack (101) and two groups of first supporting plates (301), wherein one side of the mounting rack (101) is provided with a connecting plate (102), the other side is provided with an L-shaped frame (201) which is connected through a lifting component, one side of the L-shaped frame (201) is provided with four groups of mounting columns (208), the four groups of mounting columns (208) are all sleeved with supporting rods (401), one end of the supporting rod (401) is provided with a transmission gear (402), one side of the L-shaped frame (201) is provided with a T-shaped track (207), a double-sided rack (403) in sliding connection is arranged on the T-shaped track (207), a push plate (405) is arranged on one side of the double-sided rack (403), a fixing plate (205) is arranged on one side of the L-shaped frame (201), the push plate (405) and the fixed plate (205) are connected through a hydraulic cylinder (206), two sides of the double-sided rack (403) are respectively meshed with four groups of transmission gears (402); one end of the first supporting plate (301) is provided with two groups of connecting columns (305), and one end of the supporting rod (401) is hinged with the connecting columns (305); the other end of the first supporting plate (301) is provided with a second supporting plate (601) which is connected through an extending mechanism.

2. The foundation pit supporting device for substation construction according to claim 1, characterized in that: lifting unit is including lead screw (104), mounting hole (103) have all been seted up at the both ends of mounting bracket (101), wear to establish respectively at the both ends of lead screw (104) two sets of in mounting hole (103), be provided with solid fixed ring (106) on mounting bracket (101), be provided with driving motor (107) in solid fixed ring (106), the output shaft of driving motor (107) with the one end of lead screw (104) is connected, set up threaded hole (202) on L type frame (201), lead screw (104) are worn to establish in screw hole (202).

3. The foundation pit inner supporting device for substation construction according to claim 2, characterized in that: two sets of locating holes (203) have been seted up on L type frame (201), one side of mounting bracket (101) is provided with two sets of locating levers (105), L type frame (201) is established respectively through two sets of locating hole (203) the cover is established two sets of on locating lever (105) with mounting bracket (101) sliding connection.

4. The foundation pit supporting device for substation construction according to claim 1, characterized in that: one side of the L-shaped frame (201) is provided with a bearing plate (501), an anti-skid pad (502) is arranged on the bearing plate (501), and the anti-skid pad (502) is made of rubber.

5. The foundation pit supporting device for substation construction according to claim 1, characterized in that: one side of first backup pad (301) is provided with two sets of fixing base (302), the one end of fixing base (302) is provided with reference column (306), one side of second backup pad (601) is provided with two sets of location section of thick bamboo (602), and is two sets of reference column (306) wear to establish respectively in two sets of location section of thick bamboo (602).

6. The foundation pit inner supporting device for substation construction according to claim 5, characterized in that: the extension mechanism comprises a fork shearing frame (703) and a two-way screw (705), wherein mounting wheels (706) are arranged at two ends of the two-way screw (705), the two sets of mounting wheels (706) are respectively clamped in the two sets of fixing seats (302), a control wheel (707) is arranged on the two-way screw (705), a sliding frame (303) is arranged on one side of each of the first supporting plate (301) and the second supporting plate (601), two sets of sliding blocks (701) are arranged in the sliding frame (303) in a sliding clamping mode, a connecting seat (702) is arranged on one side of each of the sliding blocks (701), the four sets of connecting seats (702) are respectively hinged with four ends of the fork shearing frame (703), threaded seats (704) are arranged on one side of the two sets of connecting seats (702), and the two sets of threaded seats (704) are respectively sleeved at two ends of the two-way screw (705).

7. The foundation pit supporting device for substation construction according to claim 1, characterized in that: one end of the second supporting plate (601) is provided with a side plate (606), one side of the second supporting plate (601) is provided with two groups of bolt seats (604), fixing bolts (605) penetrate through the bolt seats (604), and the side plate (606) is connected with the second supporting plate (601) through the two groups of fixing bolts (605).