Supporting device for underground cavern construction

Abstract

The utility model relates to the technical field of underground cavern construction, and provides a supporting device for underground cavern construction, which is characterized in that a moving wheel is used for moving the device in place, a telescopic cylinder drives a positioning plate at the bottom to move downwards, the moving wheel is limited, a driving motor drives a driving shaft to rotate according to the range required to be supported, and the driving shaft rotates to drive a threaded rod to rotate; a threaded rod rotates to drive a threaded block to move up and down, the threaded block moves up and down to drive a supporting rod to rotate, the position of a protection plate is adjusted, and the construction supporting range can be adjusted; the lifting motor drives the second bevel gear to rotate, the second bevel gear drives the first bevel gear to rotate, and then the screw rod is driven to rotate. The screw rod rotates to drive the mounting block to move left and right. The mounting block drives the guide block to slide oppositely. The guide block slides oppositely to drive the shear fork rod set to rotate. The shear fork rod set rotates and is matched with the guide groove and the guide block to drive the supporting plate to move up and down. The protection plate is adjusted to move up and down, so that the protection plate is in contact with the top wall needing to be supported.

Description

Technical Field

[0001] This utility model relates to the field of underground cavern construction technology, and in particular to a support device for underground cavern construction. Background Technology

[0002] Underground space refers to spaces formed naturally or artificially in rock and soil layers. Natural underground spaces include various underground caves, while artificial underground spaces are divided into two categories: those formed by developing underground mineral deposits and those excavated for engineering construction. Underground caves excavated for engineering construction are generally larger in height and width. Correspondingly, the larger the height and width, the more prone the cave ceiling is to collapse. Existing support devices have a fixed support range and cannot be adjusted according to the size of the underground cave. Therefore, it is necessary to design a support device for underground cave construction to solve this problem. Utility Model Content

[0003] The purpose of this utility model is to provide a support device for underground cavern construction to solve the problems mentioned in the background art.

[0004] To achieve the above objectives, the present invention adopts the following technical solution:

[0005] A support device for underground cavern construction includes: a base, a lifting assembly on top of the base, and a support plate on top of the lifting assembly; the support plate has a plurality of support rods on top, a fixing block on top of the support rods, a threaded rod rotatably connected to the bottom of the fixing block, a threaded block sleeved on the threaded rod, a plurality of support rods hinged to the outside of the threaded block, a protective plate hinged to the end of the support rod away from the threaded block, a groove is opened on the side of the support rod near the threaded block, a slider is slidably connected in the groove, a connecting rod is hinged to the side of the slider near the threaded block, and the unloaded end of the connecting rod is hinged to the fixing block; the threaded block and the threaded rod sleeve position have internal threads matching the threaded rod;

[0006] The bottom of the threaded rod is connected to the drive assembly; the bottom of the base is provided with a positioning assembly, and the bottom of the base is equipped with casters.

[0007] Preferably, the drive assembly includes: a drive motor and a drive shaft coaxially connected to the output shaft of the drive motor; the drive motor is mounted on the bottom of the support plate, the output shaft of the drive motor is connected to the drive shaft through a coupling, and the unused end of the drive shaft is connected to a threaded rod.

[0008] Preferably, the lifting assembly comprises: a mounting groove arranged on the top of the base, two mounting blocks in sliding connection with the mounting groove, two guide grooves arranged on the two sides of the mounting groove, four guide blocks in sliding connection with the two guide grooves respectively, two screw rods in rotary connection with the two ends of the mounting groove respectively, a lifting motor arranged on the bottom of the base, a scissor lever set arranged between the base and the support plate, guide grooves corresponding to the guide grooves arranged on the bottom of the support plate and the two sides of the mounting groove, and four guide blocks in sliding connection with the guide grooves.

[0009] Preferably, the scissor lever set comprises: a first connecting rod and a second connecting rod, the first connecting rod and the second connecting rod are hingedly connected at the middle portions, the first connecting rod and the second connecting rod can rotate about the hinged connection points respectively, the upper end of the scissor lever set is the upper end of the first connecting rod and the upper end of the second connecting rod, and the lower end of the scissor lever set is the upper end of the first connecting rod and the lower end of the second connecting rod.

[0010] Preferably, the positioning assembly comprises: a telescopic cylinder fixedly connected to the top of the base and the bottom of the base, and a positioning plate arranged on the bottom of the telescopic cylinder.

[0011] Preferably, the positioning assembly comprises: a telescopic cylinder fixedly connected to the top of the base and the bottom of the base, and a positioning plate arranged on the bottom of the telescopic cylinder.

[0012] Preferably, the screw block is hingedly connected with four supporting rods on the outer side.

[0013] The utility model discloses a supporting device for underground cavern construction has following beneficial effect.

[0014] The utility model discloses a movable wheel is installed and moves device to the specified position, and the device moves to the specified position, and the telescopic cylinder of installation drives the positioning board of one end to move down, and the positioning board moves down and contacts with ground, and the friction of lifting device and ground is improved, and then the limit of movable wheel is carried out, and the stability of device is improved, according to the range of required support, and the driving motor drives the rotation of driving shaft connected with it, and the rotation of driving shaft drives the rotation of threaded rod, and the rotation of threaded rod drives the up-down movement of threaded block, and the up-down movement of threaded block can drive support rod rotation, and the position of the protection board of one end can be adjusted, and the range of required support for construction can be adjusted, and the practicability of device is improved, and the second bevel gear is driven to rotate by lifting motor, and the first bevel gear is driven to rotate by the second bevel gear, and then the rotation of screw rod is carried out, and the rotation of screw rod drives the left and right movement of mounting block, and the left and right movement of mounting block drives the sliding of guide block through cross bar, and the sliding of guide block drives the rotation of scissor lever group, and the rotation of scissor lever group cooperates with guide groove and guide block, and then the up-down movement of support plate can be carried out, and the up-down movement of support plate can adjust the up-down movement of protection board of one end of support rod, and the up-down movement of protection board contacts with the top wall of required support, and the support and protection effect of construction site is played, and the practicability and safety of device are improved. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is the structural schematic diagram of the utility model.

[0016] Figure 2 It is the partial structural schematic diagram of the utility model.

[0017] Figure 3 It is the upper surface structure schematic diagram of the base of the utility model.

[0018] Figure 4 It is the lower surface structure schematic diagram of the support plate of the utility model

[0019] In the drawings: 1, base;2, support plate;3, driving motor;4, guide block;5, scissor lever group;6, support rod;7, fixed block;8, driving shaft;9, threaded rod;10, threaded block;11, support rod;12, sliding block;13, protection board;14, connecting rod;15, movable wheel;16, lifting motor;17, positioning board;18, telescopic cylinder;19, mounting block;20, mounting groove;21, guide groove;22, first bevel gear;23, second bevel gear;24, screw rod;25, cross bar;26, guide groove;27, guide block. PREFERRED EMBODIMENT

[0020] The technical scheme in the embodiments of the utility model will be apparently and completely described in combination with the drawings in the embodiments of the utility model, and obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments.

[0021] In the description of the utility model, it needs to understand that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer" and the like indicate the orientation or position relationship based on the orientation or position relationship shown in the drawings, and are only for the convenience of describing the utility model and simplifying the description, and therefore cannot be understood as limiting the utility model.

[0022] Embodiment

[0023] Reference Figures 1 to 4 A supporting device for underground cavern construction, comprising: a base 1, a lifting assembly arranged on the top of the base 1, and a support plate 2 arranged on the top of the lifting assembly; a plurality of support rods 6 are arranged on the top of the support plate 2, a plurality of fixed blocks 7 are arranged on the top of the plurality of support rods 6, a threaded rod 9 is rotatably connected to the bottom of each fixed block 7, a threaded block 10 is sleeved on the threaded rod 9, a plurality of support rods 11 are hingedly connected to the outer side of the threaded block 10, a protective plate 13 is hingedly connected to the end of each support rod 11 away from the threaded block 10, a sliding groove is formed on the side of each support rod 11 close to the threaded block 10, a sliding block 12 is slidably connected in the sliding groove, a connecting rod 14 is hingedly connected to the side of the sliding block 12 close to the threaded block 10, and the free end of the connecting rod 14 is hingedly connected to the fixed block 7; the position where the threaded block 10 is sleeved on the threaded rod 9 is provided with an internal thread matched with the threaded rod 9.

[0024] The bottom of the threaded rod 9 is connected with a driving assembly; the bottom of the base 1 is provided with a positioning assembly, and a movable wheel 15 is arranged on the bottom of the base 1.

[0025] In the embodiment, when the device is used, the movable wheel 15 is used to move the device to a designated position, and the positioning assembly is used to limit and fix the device, thereby improving the stability of the device; according to the required supporting range, the threaded rod 9 is driven to rotate, the threaded rod 9 drives the threaded block 10 to move up and down, the threaded block 10 drives the support rod 11 to rotate, the support rod 11 drives the protective plate 13 at one end to adjust the position, and the distance between the protective plates 13 can be adjusted according to the size of the construction site, the required supporting range can be adjusted, and the practicability of the device is improved; after adjustment, the lifting assembly drives the support plate 2 connected thereto to move up and down, the support plate 2 drives the protective plate 13 at one end of the support rod 11 to move up and down, the protective plate 13 contacts the top wall of the required support, and a supporting and protecting effect is achieved on the construction site.

[0026] As Figure 1As preferred, in the embodiment, the driving assembly comprises a driving motor 3, a driving shaft 8 coaxially connected with the output shaft of the driving motor 3; the driving motor 3 is installed at the bottom of the support plate 2, the output shaft of the driving motor 3 is connected with the driving shaft 8 through a shaft coupling, and the free end of the driving shaft 8 is connected with the threaded rod 9.

[0027] As shown in Figure 1 and Figure 2 , in the embodiment, the driving motor 3 drives the driving shaft 8 connected therewith to rotate, the driving shaft 8 drives the threaded rod 9 to rotate, the threaded rod 9 drives the threaded block 10 to move up and down, the threaded block 10 moves up and down to drive the support rod 11 to rotate, the support rod 11 rotates to adjust the position of the protective plate 13 at one end, and thus the distance between the protective plates 13 can be adjusted according to the size of the construction site, the range of the support required for construction can be adjusted, and the practicability of the device is improved.

[0028] Further, the driving motor 3 can be a stepping motor or a servo motor, which is not limited here.

[0029] As shown in Figure 1 , Figure 3 , and Figure 4 , as preferred, in the embodiment, the lifting assembly comprises a mounting groove 20 arranged at the top of the base 1, two mounting blocks 19 in sliding connection with the mounting groove 20, two guide grooves 21 arranged on the two sides of the mounting groove 20, four guide blocks 4 in sliding connection with the two guide grooves 21 respectively, two screw rods 24 in rotational connection with the two ends of the mounting groove 20 respectively, a lifting motor 16 arranged at the bottom of the base 1, a scissor lever set 5 arranged between the base 1 and the support plate 2, a guide groove 26 arranged at the bottom of the support plate 2 and corresponding to the guide grooves 21 on the two sides of the mounting groove 20, and four guide blocks 27 in sliding connection with the guide groove 26; the four guide blocks 4 are arranged in two groups on the two sides of the two mounting blocks 19 respectively, the guide blocks 4 are connected with the mounting blocks 19 through the cross bars 25, the two mounting blocks 19 are sleeved with the two screw rods 24 respectively, the adjacent ends of the two screw rods 24 are sleeved with the first bevel gears 22, the two first bevel gears 22 are engaged with the second bevel gear 23, and the second bevel gear 23 is sleeved with the output shaft of the lifting motor 16; the four guide blocks 4 correspond to the four guide blocks 27, the opposite surfaces of the guide blocks 4 and the guide blocks 27 are provided with lugs, the scissor lever set 5 has two groups, the two groups of the scissor lever set 5 are arranged in parallel, the upper ends of the scissor lever set 5 are hinged with the two guide blocks 27 arranged in the same guide groove 26, and the lower ends of the scissor lever set 5 are hinged with the guide blocks 4 arranged in the same guide groove 21; the positions where the mounting blocks 19 are sleeved with the screw rods 24 are provided with internal threads matched with the screw rods 24.

[0030] As preferred, in the embodiment, the scissors lever set 5 comprises: a first connecting rod and a second connecting rod, the first connecting rod and the second connecting rod are hingedly connected in the middle, the first connecting rod and the second connecting rod can rotate along the hinge point respectively, the upper end of the scissors lever set 5 is the upper end of the first connecting rod and the upper end of the second connecting rod, and the lower end of the scissors lever set 5 is the upper end of the first connecting rod and the lower end of the second connecting rod.

[0031] In the embodiment, the lifting motor 16 drives the second bevel gear 23 to rotate, the second bevel gear 23 drives the first bevel gear 22 to rotate, and then drives the screw rod 24 to rotate, the screw rod 24 rotates to drive the mounting block 19 to move left and right, the mounting block 19 moves left and right to drive the guide block 4 to slide towards each other through the horizontal rod 25, the guide block 4 slides towards each other to drive the scissors lever set 5 to rotate, the scissors lever set 5 rotates, cooperates with the guide groove 26 and the guide block 27, and then can drive the support plate 2 to move up and down, the support plate 2 moves up and down to adjust the protective plate 13 at one end of the support rod 11 to move, so that the protective plate 13 contacts with the top wall to be supported, plays a supporting and protecting role on the construction site, and improves the practicability and safety of the device. Further, the lifting motor 16 can be a stepping motor or a servo motor, which is not limited here.

[0032] As preferred, in the embodiment, the positioning assembly comprises: a telescopic cylinder 18 fixedly connected to the bottom of the base 1, and a positioning plate 17 arranged at the bottom of the telescopic cylinder 18.

[0033] In the embodiment, after the device moves to the specified position, the telescopic cylinder 18 drives the positioning plate 17 at one end to move downward, the positioning plate 17 contacts with the ground, improves the friction force between the device and the ground, and then limits the movement of the wheels 15, thereby improving the stability of the device.

[0034] As preferred, in the embodiment, the positioning assembly is provided with two groups, and the telescopic cylinder 18 is an electric telescopic rod, the positioning plate 17 connected to the electric telescopic rod moves downward through the electric telescopic rod, and then the positioning plate 17 contacts with the ground.

[0035] The utility model discloses a working principle is: device when using, through the mobile wheel 15 of installation moves to the specified position, and the device moves to the specified position, and the telescopic cylinder 18 of installation drives the positioning plate 17 of one end and moves downward, and the positioning plate 17 moves downward and contacts with ground, and the friction of lifting device and ground, and then to the limiting of mobile wheel 15, the stability of lifting device is improved, according to the range of required support, and drive motor 3 drives the drive shaft 8 connected therewith and rotates, and the drive shaft 8 rotates and drives screw rod 9 to rotate, and screw rod 9 rotates and drives screw block 10 to move up and down, and screw block 10 moves up and down and can drive support rod 11 to rotate, and support rod 11 rotates and can adjust the position of the protection plate 13 of one end, and the range of required support for construction can be adjusted, and the practicability of lifting device is improved, and lifting motor 16 drives second bevel gear 23 to rotate, and second bevel gear 23 drives first bevel gear 22 to rotate, and then drives screw rod 24 to rotate, and screw rod 24 rotates and drives mounting block 19 to move left and right, and mounting block 19 moves left and right and drives guide block 4 to slide towards each other through cross bar 25, and guide block 4 slides towards each other and drives scissor lever group 5 to rotate, and scissor lever group 5 rotates, and cooperates with guide groove 26 and guide block 27, and then can drive support plate 2 to move up and down, and support plate 2 moves up and down and can adjust the protection plate 13 of one end of support rod 11 and moves, so that protection plate 13 contacts with the top wall of required support, and plays a supporting and protecting role to construction site, and the practicability and safety of lifting device are improved.

[0036] The above, only for the preferred embodiment of the utility model, but the protection scope of the utility model does not limit to this. The replacement can be the replacement of partial structure, device, method step, and can be complete technical scheme. According to the technical scheme of the utility model and the utility model concept, equivalent replacement or change, all should be covered in the protection scope of the utility model.

Claims

1. A support device for underground cavern construction, characterized in that, Include: Base (1), set in the base (1) top lifting assembly, set in the lifting assembly top support plate (2); The top of the support plate (2) is provided with a plurality of support rods (6), and the top of the plurality of support rods (6) is provided with a fixed block (7), the bottom of the fixed block (7) is rotatably connected with a threaded rod (9), the threaded rod (9) is sleeved with a threaded block (10), a plurality of support rods (11) are hinged on the outer side of the threaded block (10), the end of the support rod (11) away from the threaded block (10) is hingedly connected with a protective plate (13), the side of the support rod (11) close to the threaded block (10) is provided with a sliding slot, the sliding slot is slidably connected with a sliding block (12), the side of the sliding block (12) close to the threaded block (10) is hingedly connected with a connecting rod (14), and the free end of the connecting rod (14) is hingedly connected with the fixed block (7); The threaded block (10) and the threaded rod (9) are provided with an internal thread matched with the threaded rod (9) at the sleeving position. The bottom of the threaded rod (9) is connected with a driving assembly; The bottom of the base (1) is provided with a positioning assembly, and the base (1) is provided with a movable wheel (15).

2. A support device for underground cavern construction according to claim 1, characterized in that The driving assembly comprises: a driving motor (3), a driving shaft (8) coaxially connected with the output shaft of the driving motor (3); The driving motor (3) is installed at the bottom of the support plate (2), the output shaft of the driving motor (3) is connected with the driving shaft (8) through a shaft coupling, and the free end of the driving shaft (8) is connected with the threaded rod (9).

3. The support device for underground cavern construction according to claim 1, characterized in that The lifting assembly comprises: a mounting groove (20) arranged at the top of the base (1), two mounting blocks (19) in sliding connection with the mounting groove (20), two guide grooves (21) arranged on the two sides of the mounting groove (20), four guide blocks (4) in sliding connection with the two guide grooves (21) respectively, two screw rods (24) rotatably connected with the two ends of the mounting groove (20) respectively, a lifting motor (16) arranged at the bottom of the base (1), a scissor lever set (5) arranged between the base (1) and the support plate (2), a guide groove (26) arranged at the bottom of the support plate (2) and corresponding to the guide grooves (21) on the two sides of the mounting groove (20), and four guide blocks (27) in sliding connection with the guide groove (26).

4. A support device for underground cavern construction according to claim 3, characterized in that The four guide blocks (4) are arranged in two groups on the two sides of the two mounting blocks (19) respectively, the guide blocks (4) are connected with the mounting blocks (19) through the cross rods (25), the two mounting blocks (19) are sleeved with a screw rod (24) respectively, the two screw rods (24) have first bevel gears (22) sleeved at the adjacent ends, the two first bevel gears (22) are in engagement with a second bevel gear (23), and the second bevel gear (23) is sleeved with the output shaft of the lifting motor (16).

5. The support device for underground cavern construction according to claim 1, characterized in that The four guide blocks (4) correspond to the four guide blocks (27), the opposite surfaces of the guide blocks (4) and the guide blocks (27) are provided with lifting lugs, the scissor lever set (5) has two groups, the two groups of scissor lever sets (5) are arranged in parallel, the upper ends of the scissor lever sets (5) are hinged with the two guide blocks (27) arranged in the same guide groove (26), and the lower ends of the scissor lever sets (5) are hinged with the guide blocks (4) arranged in the same guide groove (21).

6. A support device for underground cavern construction according to claim 5, characterized in that The mounting blocks (19) and the screw rods (24) are sleeved with internal threads matched with the screw rods (24).

7. The support device for underground cavern construction according to claim 1, characterized in that The positioning assembly comprises: a telescopic cylinder (18) fixedly connected with the top of the base (1) and the bottom of the base (1), and a positioning plate (17) arranged at the bottom of the telescopic cylinder (18). The positioning assembly has two groups, and the telescopic cylinder (18) is an electric telescopic rod. Four support rods (11) are hinged to the outer side of the threaded block (10).

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