CN219865070U - Supporting rack for assisting construction of heading machine - Google Patents
Supporting rack for assisting construction of heading machine Download PDFInfo
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- CN219865070U CN219865070U CN202321330242.8U CN202321330242U CN219865070U CN 219865070 U CN219865070 U CN 219865070U CN 202321330242 U CN202321330242 U CN 202321330242U CN 219865070 U CN219865070 U CN 219865070U
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- 238000010276 construction Methods 0.000 title claims abstract description 14
- 230000005540 biological transmission Effects 0.000 claims abstract description 10
- 230000000694 effects Effects 0.000 claims description 3
- 238000000034 method Methods 0.000 abstract description 8
- 230000001360 synchronised effect Effects 0.000 description 4
- 238000009412 basement excavation Methods 0.000 description 3
- 239000011435 rock Substances 0.000 description 3
- 238000005299 abrasion Methods 0.000 description 2
- 244000309464 bull Species 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
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Abstract
The utility model discloses a support bench for assisting construction of a heading machine, which relates to the technical field of advanced support and comprises a bottom plate and a driving plate, wherein two first mounting plates are symmetrically and fixedly connected to the upper surface of the bottom plate, a first screw rod is fixedly connected between the two first mounting plates, the driving plate is arranged above the first screw rod, a first driving mechanism is arranged on the lower surface of the driving plate, and the first driving mechanism is in transmission connection with the first screw rod. According to the utility model, through the threaded sleeve joint between the arranged screw rods and the internal threaded pipe, the connecting plate can be driven to drive the driving plate to move in the rotating process of the internal threaded pipe, so that the position adjustment of the L-shaped supporting plate can be realized, the transmission connection between the two first bevel gears which are arranged in a passing way and the corresponding second bevel gears can drive the other screw rod to synchronously rotate in the rotating process of one screw rod, and the height adjustment of the L-shaped plate can be realized, so that the L-shaped supporting plate can be supported at different height positions.
Description
Technical Field
The utility model relates to the technical field of advanced support, in particular to a support rack for assisting a heading machine in construction.
Background
The advanced support is one of auxiliary measures which are adopted to ensure that the working face of tunnel engineering excavation is stable and advanced to face excavation, and when a tunnel passes through weak broken surrounding rock, excavation disturbance can cause larger surrounding rock deformation. If the primary support is not timely applied, surrounding rock deformation may exceed the allowable range, and serious tunnel face instability and tunnel collapse are caused, so that great economic loss is caused.
The publication number is: CN 213205722U's a heading machine advance support, including the base, the both sides on base top are all fixed and are equipped with the slide rail, and the inside of two slide rails is all roll-connected with two gyro wheels, and four gyro wheels are fixed respectively to be set up in four corners of brace table bottom, and one side on brace table top is fixed and is equipped with first extension board, and the top of first extension board alternates with the bottom of second extension board and is connected.
Aiming at the technical scheme, the following defects exist:
in the above technical scheme, the supporting table is driven by electric power, and the driving mode adopts gears and chains to drive, so that the problem caused by the driving mode is high cost, easy abrasion and possibility of breakage of the chains after long-time use.
Disclosure of Invention
The present utility model has been made in view of the above-described problems with the conventional supporting devices.
Therefore, the utility model aims to provide a support bench for assisting the construction of a heading machine, which solves the problems of high cost, easy abrasion and possibility of breakage of a chain after long-time use of the whole device.
In order to achieve the above object, the present utility model provides the following technical solutions:
the utility model provides a support rack that supplementary entry driving machine was under construction, includes bottom plate and drive plate, the upper surface symmetry fixedly connected with of bottom plate two first mounting panels, two fixedly connected with first lead screw between the first mounting panel, the drive plate sets up in the top of first lead screw and the lower surface is provided with first actuating mechanism, first actuating mechanism is connected with first lead screw transmission, upper surface one side fixedly connected with fixed plate of drive plate, the slot has been seted up to the inside of fixed plate, L shape backup pad has been worn to the inside activity of slot, the upper surface fixedly connected with second mounting panel of drive plate, be provided with second actuating mechanism between second mounting panel and the fixed plate, L shape backup pad is connected with the second actuating mechanism transmission, utilizes the transmission between the first actuating mechanism and the lead screw that set up to be connected, has avoided wearing and tearing as far as possible and influence whole device's normal use when having reduced the cost.
Preferably, the first actuating mechanism includes worm, worm wheel and internal thread pipe, the worm rotates and cup joints in the inside of drive plate, the internal thread pipe cup joints with the pole wall screw thread of first lead screw, the pipe wall of internal thread pipe rotates and cup joints the connecting plate with drive plate fixed connection, the worm wheel cup joints with the pipe wall of internal thread pipe is fixed, the worm is connected with the worm wheel meshing, the equal fixedly connected with bracing piece in four corners in bottom of drive plate, every the equal fixedly connected with in bottom of bracing piece is with the movable wheel of the upper surface contact connection of bottom plate, utilizes four bracing pieces that set up and corresponding movable wheel, can be convenient for support the drive plate, utilizes the meshing connection between worm wheel and the worm simultaneously, can drive the worm wheel and drive internal thread pipe rotation at worm pivoted in-process, and then can adjust the position of drive plate.
Preferably, the second actuating mechanism includes two second lead screws, two sliders and two connecting rods, two second lead screws symmetry rotate and set up between fixed plate and second mounting panel, two the slider cup joints with the pole wall screw thread of corresponding second lead screw respectively, every the pivot has all been fixed to cup joint at the both ends of connecting rod, every the both ends of connecting rod all are connected with the U-shaped piece through corresponding pivot rotation, two U-shaped piece respectively with L shape backup pad and the slider fixed connection who corresponds, utilize the second actuating mechanism who sets up, can realize the regulation to the height of L shaped plate to support the protection to different high positions.
Preferably, the upper end of the worm penetrates through the driving plate and is fixedly connected with the crank, and the worm can be conveniently driven by the aid of the arranged crank, so that the first driving mechanism can be driven.
Preferably, one end of one second lead screw runs through the second mounting panel and fixedly connected with knob, utilizes the knob that sets up, can be convenient for drive corresponding second lead screw and rotate to can realize the drive to second actuating mechanism.
Preferably, the lateral wall fixedly connected with third mounting panel of fixed plate, the inside of third mounting panel rotates and cup joints the bull stick, the both ends of bull stick are fixedly connected with first bevel gear respectively, two the lateral wall of first bevel gear is connected with the second bevel gear that cup joints with corresponding second lead screw is fixed in the meshing respectively, utilizes the meshing between two first bevel gears that set up and the second bevel gear that corresponds to be connected, can drive another second lead screw synchronous rotation at one of them second lead screw pivoted in-process, and then can realize the synchronous adjustment to the position of two sliders.
In the technical scheme, the utility model has the technical effects and advantages that:
1. according to the utility model, the connecting plate can be driven to drive the driving plate to move in the rotation process of the internally threaded pipe through the threaded sleeve joint between the arranged screw rod and the internally threaded pipe, so that the position of the L-shaped supporting plate can be adjusted.
2. According to the utility model, through the transmission connection between the two first bevel gears and the corresponding second bevel gears, one screw rod can be driven to synchronously rotate in the rotating process of the other screw rod, so that the height of the L-shaped plate can be adjusted, and the L-shaped plate can be supported at different height positions conveniently.
Drawings
In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings required for the embodiments will be briefly described below, and it is apparent that the drawings in the following description are only some embodiments described in the present utility model, and other drawings may be obtained according to these drawings for a person having ordinary skill in the art.
FIG. 1 is a schematic diagram of the structure of the present utility model;
fig. 2 is an enlarged schematic view of the portion a of fig. 1 according to the present utility model.
Reference numerals illustrate:
1 bottom plate, 2 driving plates, 3 first mounting plates, 4 first screw rods, 5 fixing plates, 6L-shaped supporting plates, 7 second mounting plates, 8 worms, 9 worm wheels, 10 internally threaded pipes, 11 connecting plates, 12 supporting rods, 13 moving wheels, 14 second screw rods, 15 connecting rods, 16 shaft pins, 17U-shaped blocks, 18 crank handles, 19 knobs, 20 third mounting plates, 21 rotating rods, 22 first bevel gears, 23 second bevel gears and 24 sliding blocks.
Detailed Description
In order to make the technical scheme of the present utility model better understood by those skilled in the art, the present utility model will be further described in detail with reference to the accompanying drawings.
The embodiment of the utility model discloses a support rack for assisting a development machine in construction.
The utility model provides a supporting bench for assisting a development machine in construction, which is shown in fig. 1-2, and comprises a bottom plate 1 and a driving plate 2, wherein the upper surface of the bottom plate 1 is symmetrically and fixedly connected with two first mounting plates 3, a first screw rod 4 is fixedly connected between the two first mounting plates 3, the driving plate 2 is arranged above the first screw rod 4, the lower surface of the driving plate is provided with a first driving mechanism, the first driving mechanism is in transmission connection with the first screw rod 4, one side of the upper surface of the driving plate 2 is fixedly connected with a fixing plate 5, the inside of the fixing plate 5 is provided with a slot, an L-shaped supporting plate 6 is movably arranged in the slot in a penetrating manner, the upper surface of the driving plate 2 is fixedly connected with a second mounting plate 7, a second driving mechanism is arranged between the second mounting plate 7 and the fixing plate 5, and the L-shaped supporting plate 6 is in transmission connection with the second driving mechanism.
In order to realize the regulation to the position of drive plate 2 and L shape backup pad 6, as shown in fig. 1, first actuating mechanism includes worm 8, worm wheel 9 and internal thread pipe 10, worm 8 rotates and cup joints in the inside of drive plate 2, internal thread pipe 10 cup joints with the pole wall screw thread of first lead screw 4, the pipe wall rotation of internal thread pipe 10 cup joints connecting plate 11 with drive plate 2 fixed connection, worm wheel 9 cup joints with the pipe wall of internal thread pipe 10 is fixed, worm 8 and worm wheel 9 meshing are connected, the equal fixedly connected with bracing piece 12 in four corners in bottom of drive plate 2, the bottom of every bracing piece 12 all fixedly connected with and the movable wheel 13 of being connected of upper surface contact of bottom plate 1, utilize four bracing pieces 12 and the movable wheel 13 that correspond that set up, can be convenient for support drive plate 2, utilize the meshing connection between worm wheel 9 and the worm 8 simultaneously, can drive worm wheel 9 and drive internal thread pipe 10 at worm 8 pivoted in-process, and then can adjust the position of drive plate 2.
In order to enable the L-shaped supporting plate 6 to be supported at different height positions, as shown in fig. 1-2, the second driving mechanism comprises two second screw rods 14, two sliding blocks 24 and two connecting rods 15, the two second screw rods 14 are symmetrically and rotatably arranged between the fixed plate 5 and the second mounting plate 7, the two sliding blocks 24 are respectively in threaded sleeve joint with the rod walls of the corresponding second screw rods 14, shaft pins 16 are fixedly sleeved at two ends of each connecting rod 15, U-shaped blocks 17 are rotatably connected at two ends of each connecting rod 15 through the corresponding shaft pins 16, the two U-shaped blocks 17 are fixedly connected with the L-shaped supporting plate 6 and the corresponding sliding blocks 24 respectively, and the height of the L-shaped plate can be adjusted by using the arranged second driving mechanism so as to support and protect the different height positions.
In order to facilitate driving of the first driving mechanism to work normally, as shown in fig. 1-2, the upper end of the worm 8 penetrates through the driving plate 2 and is fixedly connected with a crank 18, and driving of the worm 8 can be facilitated by means of the arranged crank 18, so that driving of the first driving mechanism can be achieved.
In order to facilitate driving of the second driving mechanism to work normally, as shown in fig. 1-2, one end of one second screw rod 14 penetrates through the second mounting plate 7 and is fixedly connected with a knob 19, and the corresponding second screw rod 14 can be driven to rotate conveniently by using the knob 19, so that driving of the second driving mechanism can be achieved.
In order to realize synchronous adjustment of the positions of the two sliding blocks 24, as shown in fig. 1-2, the side wall of the fixed plate 5 is fixedly connected with a third mounting plate 20, a rotating rod 21 is rotatably sleeved in the third mounting plate 20, two ends of the rotating rod 21 are respectively fixedly connected with a first bevel gear 22, the side walls of the two first bevel gears 22 are respectively connected with a second bevel gear 23 fixedly sleeved with a corresponding second lead screw 14 in a meshed manner, and the two first bevel gears 22 and the corresponding second bevel gears 23 are in meshed connection, so that the other second lead screw 14 can be driven to synchronously rotate in the process of rotating one second lead screw 14, and further synchronous adjustment of the positions of the two sliding blocks 24 can be realized.
While certain exemplary embodiments of the present utility model have been described above by way of illustration only, it will be apparent to those of ordinary skill in the art that modifications may be made to the described embodiments in various different ways without departing from the spirit and scope of the utility model. Accordingly, the drawings and description are to be regarded as illustrative in nature and not as restrictive of the scope of the utility model, which is defined by the appended claims.
Claims (6)
1. The utility model provides a support rack of supplementary entry driving machine construction, includes bottom plate (1) and drive plate (2), its characterized in that, the upper surface symmetry fixedly connected with of bottom plate (1) two first mounting panel (3), two fixedly connected with first lead screw (4) between first mounting panel (3), drive plate (2) set up in the top and the lower surface of first lead screw (4) are provided with first actuating mechanism, first actuating mechanism is connected with first lead screw (4) transmission, upper surface one side fixedly connected with fixed plate (5) of drive plate (2), the slot has been seted up to the inside of fixed plate (5), L shape backup pad (6) have been worn to the inside activity of slot, the upper surface fixedly connected with second mounting panel (7) of drive plate (2), be provided with second actuating mechanism between second mounting panel (7) and the fixed plate (5), L shape backup pad (6) are connected with second actuating mechanism transmission.
2. The support bench for assisting construction of a heading machine according to claim 1, characterized in that the first driving mechanism comprises a worm (8), a worm wheel (9) and an internal thread pipe (10), the worm (8) is rotationally sleeved in the driving plate (2), the internal thread pipe (10) is in threaded sleeve connection with the rod wall of the first screw rod (4), a connecting plate (11) fixedly connected with the driving plate (2) is rotationally sleeved on the pipe wall of the internal thread pipe (10), the worm wheel (9) is fixedly sleeved on the pipe wall of the internal thread pipe (10), the worm (8) is in meshed connection with the worm wheel (9), support rods (12) are fixedly connected to four corners of the bottom of the driving plate (2), and a movable wheel (13) in contact connection with the upper surface of the bottom plate (1) is fixedly connected to the bottom of each support rod (12).
3. The support bench for assisting a heading machine in construction according to claim 1, characterized in that the second driving mechanism comprises two second screw rods (14), two sliding blocks (24) and two connecting rods (15), the two second screw rods (14) are symmetrically arranged between the fixed plate (5) and the second mounting plate (7) in a rotating mode, the two sliding blocks (24) are respectively in threaded sleeve joint with the rod walls of the corresponding second screw rods (14), shaft pins (16) are fixedly sleeved at two ends of each connecting rod (15), U-shaped blocks (17) are rotatably connected to two ends of each connecting rod (15) through corresponding shaft pins (16), and the two U-shaped blocks (17) are respectively fixedly connected with the L-shaped supporting plate (6) and the corresponding sliding blocks (24).
4. A support bench for assisting in construction of a heading machine according to claim 2, characterized in that the upper end of the worm (8) penetrates the drive plate (2) and is fixedly connected with a crank (18).
5. A support bench for assisting in the construction of a heading machine according to claim 3, characterized in that one end of one of said second screw rods (14) penetrates the second mounting plate (7) and is fixedly connected with a knob (19).
6. The support bench for assisting the construction of the heading machine according to claim 1, wherein a third mounting plate (20) is fixedly connected to the side wall of the fixing plate (5), a rotating rod (21) is rotatably sleeved in the third mounting plate (20), first bevel gears (22) are fixedly connected to two ends of the rotating rod (21) respectively, and second bevel gears (23) fixedly sleeved with corresponding second screw rods (14) are respectively connected to the side walls of the two first bevel gears (22) in a meshed mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321330242.8U CN219865070U (en) | 2023-05-29 | 2023-05-29 | Supporting rack for assisting construction of heading machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321330242.8U CN219865070U (en) | 2023-05-29 | 2023-05-29 | Supporting rack for assisting construction of heading machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219865070U true CN219865070U (en) | 2023-10-20 |
Family
ID=88347081
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321330242.8U Active CN219865070U (en) | 2023-05-29 | 2023-05-29 | Supporting rack for assisting construction of heading machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219865070U (en) |
-
2023
- 2023-05-29 CN CN202321330242.8U patent/CN219865070U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |