CN113266022A - Grid fixing device for slope support - Google Patents

Abstract

The invention relates to the technical field of slope protection, and discloses a grid fixing device for slope support, which comprises a screw rod and a fixing plate, wherein the fixing plate is provided with a mounting hole and a through hole, a nut is rotatably connected in the through hole, one part of the nut is positioned on the outer side of the fixing plate, and the screw rod penetrates through the nut and the through hole and is fixedly connected with a fixing claw. The grid fixing device can solve the problem that the grid cannot be fixed powerfully by adopting the inserting nails or the soil stones in the prior art.

Description

Grid fixing device for slope support

Technical Field

The invention relates to the technical field of slope protection, in particular to a grid fixing device for slope support.

Background

The side slope is an inclined plane with a certain slope and is formed on two sides of the roadbed to ensure the stability of the road. Slope protection refers to reinforcing treatment of a slope surface, and avoids loss of rocks, soil layers and the like on the slope surface or falling of broken stones, so that the safety of road driving is affected. At present, slope protection is generally treated and prevented by adopting a mode of constructing a slope grating, plants are generally planted in the grating, and the plants are used for fixing rock soil, so that the loss of the rock soil is reduced, the purpose of reinforcing the slope is achieved, and a certain environment beautifying effect is achieved.

The stability of grid installation has important influence to the fixed effect on ground layer, and under the condition of rain or strong wind, ground layer can become loose and weight increase after absorbing water for ground layer causes the extrusion to the one side of being close to the sloping bottom of grid along domatic flow under the action of gravity easily, in case the fixed unstability of grid will lead to it loose and can't effectively play the purpose that blocks ground and flow under the pressure effect.

At present, the grid is fixed, generally, the fixing effect of the grid is limited due to the fact that the inserting nails or soil and stones are pressed above the grid, powerful fixing of the grid cannot be effectively guaranteed, and stability of the grid after installation is affected.

Disclosure of Invention

The invention aims to provide a grid fixing device for slope support, and solves the problem that the grid cannot be fixed powerfully by adopting inserting nails or earth and stones in the prior art.

In order to achieve the purpose, the invention adopts the following technical scheme: grid fixing device that side slope support was used, including lead screw and fixed plate, be equipped with mounting hole and perforation on the fixed plate, swivelling joint has the nut in the perforation, and a part of nut is located the outside of fixed plate, and the lead screw passes nut and perforation and fixedly connected with stationary dog.

The principle of the scheme is as follows: the lead screw in this scheme is used for driving the stationary dog and stretches into to ground layer depths to guarantee the stability after the device installation, and then guarantee the stability of grid. During the installation, the mounting hole through the fixed plate is fixed the device installation in the node of grid, then through swivel nut, can make the lead screw drive stationary dog remove and insert in the ground layer deeply to ground layer depths, strengthens the ground effect of grabbing of grid from this, realizes the effective fixed to the grid.

The scheme has the advantages that:

1. by adopting the principle of the screw pair, the screw can vertically move to insert the fixing claw into the deep part of the rock-soil layer by rotating the nut, so that the ground grabbing capacity of the device is enhanced, and the fixing effect of the grating is ensured;

2. the screw rod is driven to move by the aid of the rotary nut, so that the fixing claw is driven to move, the screw rod is extruded in the axial direction to move, the situation that the screw rod is bent or broken due to overlarge extrusion force or deviation of the extrusion force from the axial direction of the screw rod can be avoided, the screw rod can be guaranteed to move along the axial direction all the time, and effective movement and fixation of the fixing claw can be guaranteed.

Preferably, as an improvement, the fixed claw comprises a claw disc fixedly connected with the screw rod and a plurality of claw feet fixed on the claw disc, and the plurality of claw feet are uniformly distributed around the center of the claw disc in an annular shape.

So for form a plurality of grabs power point between stationary dog and the ground layer, thereby further ensure the fixed effect of device, and then guarantee the effect of strutting to the grid.

Preferably, as a modification, the free ends of the claw legs are all pointed ends, and the free ends of the claw legs are all inclined to a side away from the center of the claw disk.

The free end design of claw foot is most advanced, can reduce the resistance that receives when claw foot vertical migration, more does benefit to the claw foot and inserts the ground layer depths, and the claw foot is the slope form for a plurality of claw feet can insert to the ground in situ from the equidirectional, thereby make the ground layer apply the fixed force of device and be a plurality of directions, when the device only received the extrusion force of a direction, this extrusion force of overcoming that can be better and guarantee the stability of device.

Preferably, as an improvement, a plurality of supporting claws are sequentially arranged on the claw foot along the axial direction of the claw foot, an included angle between each supporting claw and the claw foot is an acute angle, and the free end of each supporting claw is positioned on the upper side of the other end.

The supporting claw is used for enhancing the grabbing effect between the claw foot and the rock-soil layer, an acute angle is formed between the supporting claw and the claw foot, the free end of the supporting claw is located on the upper side of the other end of the supporting claw, the supporting claw is inclined when the claw foot is inserted into the rock-soil layer, the supporting claw is more easily inserted into the rock-soil layer, and when the claw foot is subjected to reverse force and is expected to be separated from the rock-soil layer, the included angle between the supporting claw and the claw foot is blocked by the rock-soil layer and cannot move smoothly, so that the purpose of reversely reinforcing the claw foot is achieved.

Preferably, as an improvement, the claw disc is rotatably connected with a sleeve, the side wall of the sleeve is fixedly connected with a plurality of transverse claws, one end of the sleeve, far away from the claw disc, is coaxially and fixedly connected with a spline shaft, and the spline shaft is cylindrical; still be equipped with the spline housing in the perforation, the spline housing is connected with the nut, and spline fit between spline housing and the integral key shaft, and the lead screw passes nut, spline housing, integral key shaft and sleeve in proper order and can dismantle fixed connection on the claw dish.

In this scheme, when swivel nut, the nut will make the lead screw to remove and stretch into ground layer depths with the stationary dog on one side, and the another side will drive the sleeve through spline housing and integral key shaft and follow its rotation, because the sleeve is fixed on the claw dish, the sleeve will take place vertical displacement and follow the stationary dog and enter into ground layer under the drive of lead screw this moment, relative axial slip between spline housing and the integral key shaft gives the space of sleeve vertical movement, makes it can follow the stationary dog and move together. The sleeve is at vertical removal and rotatory in-process, inserts the depths to the ground layer with horizontal claw to carry out horizontal fixed to the device, so horizontal claw and stationary dog carry out the fixed of two directions on the device respectively, have further ensured the stability after the device installation, have guaranteed the effect of strutting to the grid.

Preferably, as a modification, the claw surface of the lateral claw is an inclined surface.

Set up the claw face of horizontal claw into the inclined plane, when the horizontal claw is followed the sleeve rotation, can cut into to the ground layer along the slant to make horizontal claw go in entering into the ground layer more easily.

Preferably, as an improvement, the inside card chamber that is equipped with the disc of claw dish, the top in card chamber is equipped with the through-hole that supplies the lead screw to penetrate, and the intercommunication is equipped with the bar hole along the radial extension of through-hole on the through-hole, bar hole and card chamber intercommunication, fixedly connected with fixture block on the tip of lead screw, the width in the width of fixture block is less than or equal to the width in bar hole, and the thickness of fixture block is less than or equal to the height in card chamber.

Through going into the bar hole with the fixture block card, then rotatory lead screw for the lead screw drives the fixture block and rotates and make the fixture block card in the card intracavity, realizes dismantling fixed connection between lead screw and claw dish from this, can drive claw dish synchronous stabilization when both making the lead screw remove and remove, is convenient for again between claw dish and lead screw dismantle separation and connection installation.

Preferably, as an improvement, an operating plate is fixedly connected to one end of the screw rod, which is far away from the claw disc.

Through the extrusion operation panel, can assist and carry out axial removal to the lead screw to ensure that the lead screw can go deep into the ground layer, the setting of operation panel has increaseed the active area of effort to the lead screw, makes the effort of applying more effective.

Preferably, as an improvement, the end surface of the claw disk connected with the claw foot is a conical surface.

The end face of the claw disc is designed to be a conical surface, so that when the screw rod pushes the claw disc to move towards the rock-soil layer, the claw disc can enter the rock-soil layer more easily.

Preferably, as an improvement, the top of spline housing is connected with the connecting cylinder, vertical sliding connection has the wedge in the connecting cylinder, the top of wedge is the inclined plane, the lower extreme of nut is connected with the limiting plate, the bottom of limiting plate is seted up flutedly, the wedge insert in the recess and with the vertical sliding fit of recess, the wedge with be connected with the elastic component between the diapire of connecting cylinder.

Through setting up the connecting cylinder in this scheme, wedge and elastic component, in such setting, can drive the spline housing when swivel nut and rotate, thereby make the sleeve drive the horizontal claw rotate and insert to the ground layer in, and realize carrying out the effect of horizontal fixed to the device, but insert to the depths back on ground layer gradually when the horizontal claw, the horizontal claw produces the friction easily with the ground layer and prevents the horizontal claw to rotate, thereby lead to the sleeve, integral key shaft and spline housing all are difficult to rotate, influence the smooth rotation of nut easily like this, thereby influence the removal of lead screw, and then influenced the degree of depth that the stationary dog stretched into the ground layer.

However, this technical problem of can effectual solution in this scheme, get into behind the ground layer and with the ground layer between the friction and hinder the smooth rotation of nut when the horizontal claw, because the setting of wedge, continue to rotate the nut this moment, recess lateral wall on the limiting plate will play an extruded effect to the inclined plane of wedge, thereby compress the elastic component, and make the wedge leave the recess, just so can make the nut continue to rotate, and the spline housing does not rotate this moment, just so can insert the horizontal claw and can not influence the smooth removal of lead screw after the ground layer, and then make the stationary dog can insert the more depths on ground layer, thereby the reinforcing is to the fixed effect of grid.

Drawings

Fig. 1 is a front partial sectional view of embodiment 1 of the present invention.

Fig. 2 is a front partial sectional view of embodiment 2 of the present invention.

Fig. 3 is a front partial sectional view of embodiment 3 of the present invention.

Fig. 4 is an enlarged view of a portion a0 in fig. 3.

Fig. 5 is a view of the sleeve of fig. 3 in direction a.

Fig. 6 is a plan view of a claw disk in embodiment 3 of the present invention.

Fig. 7 is a partial sectional view in embodiment 4 of the present invention.

Detailed Description

The following is further detailed by way of specific embodiments:

reference numerals in the drawings of the specification include: the fixing plate comprises a fixing plate 1, a screw rod 2, a nut 3, a limiting plate 4, a claw disc 5, claw feet 6, supporting claws 7, a sleeve 8, a clamping ball 9, a transverse claw 10, a spline shaft 11, a spline housing 12, an operating plate 13, a clamping cavity 14, a through hole 15, a strip-shaped hole 16, a connecting cylinder 17, a spring 18 and a wedge-shaped block 19.

Example 1

Grid fixing device that slope support used in this embodiment, the structure is as shown in fig. 1, including lead screw 2 and fixed plate 1, both ends all are equipped with the mounting hole about fixed plate 1, and the middle part of fixed plate 1 is equipped with the perforation, rotates in the perforation and is connected with nut 3, and is concrete, and nut 3's lower extreme welded fastening has limiting plate 4, and limiting plate 4 card is in the mounting hole, is equipped with the jack just right with the perforation on limiting plate 4. A part of the nut 3 is positioned on the upper side of the fixing plate 1, the screw rod 2 sequentially penetrates through the nut 3, the jack and the through hole, the lower end of the screw rod is fixedly connected with the fixing claw, and the screw rod 2 is in threaded fit connection with the nut 3. The fixed claw in the embodiment comprises a claw disc 5 fixed with the screw rod 2 in a welding mode and a plurality of claw feet 6 fixed on the lower end face of the claw disc 5 in a welding mode, and the claw feet 6 are evenly distributed around the center of the claw disc 5 in an annular mode.

In the specific implementation of the embodiment, the grid is provided with a round hole for the lead screw 2 to pass through, when the device is used, the device is placed between the grid and the ground, the upper end of the lead screw 2 and the nut 3 pass through the round hole and move to the upper side of the grid, the rest part of the device is positioned on the lower side of the grid, the upper end face of the fixing plate 1 is attached to the lower surface of the grid, and then the fixing plate 1 is fixed on the grid by passing through the mounting hole and the grid through a screw or a bolt. When fixing this device in the ground layer, operator swivel nut 3, make lead screw 2 remove downwards, lead screw 2 drives the stationary dog and removes to the ground layer, thereby all stretch into ground layer depths with a plurality of claw feet 6 of stationary dog, lead screw 2 is located the position of fixed plate 1 below and also follows and inserts to the ground layer simultaneously, after lead screw 2 shifts down suitable distance, stop swivel nut 3, the stationary dog has inserted the depths to the ground layer this moment, a plurality of claw feet 6 of stationary dog are tightly grabbed in the ground layer simultaneously, thereby the stability of device has been strengthened, and then make the grid by stable fixing on the ground layer.

Example 2

The grating fixing device for slope support in this embodiment is different from embodiment 1 in that, as shown in fig. 2, the free ends of the claw legs 6 are all pointed ends, and the free ends of the claw legs 6 are all inclined to a side away from the center of the claw disk 5. A plurality of supporting claws 7 are sequentially arranged on the claw foot 6 along the axial direction of the claw foot 6, the included angle between each supporting claw 7 and the claw foot 6 is an acute angle, and the free end of each supporting claw 7 is positioned on the upper side of the other end. The end surface of the claw disk 5 connected with the claw foot 6 is a conical surface.

The implementation process of this embodiment is substantially the same as that of embodiment 1, except that the free ends of the claw feet 6 are all sharp ends, and the lower end surface of the claw disk 5 is a conical surface, so that the claw disk 5 and the claw feet 6 are easier to move into the rock-soil layer. Simultaneously, the free end of claw foot 6 all inclines to the one side of keeping away from 5 centers of claw dish for claw foot 6 inserts to the ground layer from a plurality of directions in, thereby carries out multidirectional fixed to the device, has further guaranteed the device installation and to the stability of grid after fixing well. In the embodiment, the supporting claw 7 is arranged on the claw foot 6, and after the supporting claw 7 is inserted into the rock-soil layer along with the claw foot 6, the claw foot 6 can be prevented from moving reversely, namely, the movement of the supporting claw 7 to the surface of the rock-soil layer is prevented, so that the purpose of reinforcing the device is achieved.

Example 3

The grid fixing device for slope support in this embodiment is different from the previous embodiment in that, as shown in fig. 3 to fig. 6, a sleeve 8 is rotatably connected to the claw disk 5, and the rotatable connection manner is specifically as follows: combine shown in fig. 4, be equipped with the ring channel on claw dish 5, the cross-section of ring channel is circular, all there is card ball 9 in the left and right sides of the lower extreme of sleeve 8 through minor axis welded connection, card ball 9 blocks locates in the ring channel, thereby make card ball 9 deviate from in can not following the ring channel and can follow the ring channel simultaneously and slide, so realize that the rotation between sleeve 8 and claw dish 5 is connected, during the practical application, card ball 9 also can wear to establish on the minor axis, and all weld on the minor axis of card ball 9 both sides has stopper (not shown in the figure), thereby with card ball 9 spacing on the minor axis, and can make card ball 9 rotate on the minor axis, with the resistance when reducing sleeve 8 and claw dish 5 relative rotation.

A plurality of transverse claws 10 are welded and fixed to the side wall of the sleeve 8, and as shown in fig. 5, the claw surfaces of the transverse claws 10 are all inclined surfaces, and the inclination angle of the transverse claws 10 is 30 to 65 degrees, preferably 45 degrees in the present embodiment.

As shown in fig. 4, a spline shaft 11 is coaxially welded and fixed at the upper end of a sleeve 8, the spline shaft 11 is cylindrical and makes the inside hollow, a spline housing 12 is further arranged in the through hole, the spline housing 12 is welded and fixed with a limiting plate 4, the spline shaft 11 is inserted into the spline housing 12 and is in spline fit with the spline housing 12, an operation plate 13 is welded and fixed at the upper end of a screw rod 2, the lower end of the screw rod 2 sequentially passes through a nut 3, the spline housing 12, the spline shaft 11 and the sleeve 8 and is detachably and fixedly connected to a claw disk 5, the detachable and fixed connection is specifically, as shown together with fig. 4 and 6, a disc-shaped clamping cavity 14 is arranged inside the claw disk 5, a through hole 15 for the screw rod 2 to penetrate through is arranged at the top of the clamping cavity 14, a strip-shaped hole 16 extending along the radial direction of the through hole 15 is communicated with the through hole 15, the strip-shaped hole 16 is communicated with the clamping cavity 14, a clamping block is welded and fixed at the end of the screw rod 2, the width of the clamping block is smaller than or equal to the width of the strip-shaped hole 16, and the thickness of the fixture block is less than or equal to the height of the fixture cavity 14.

In the embodiment, initially, the screw 2 and the claw disk 5 are separated, the fixing plate 1, the nut 3, the screw 2 and the spline housing 12 are a set of components, and the claw foot 6, the claw disk 5, the sleeve 8 and the spline shaft 11 are a set of components, so that the device structure can be conveniently and separately produced, packaged and transported.

During the use, be connected lead screw 2 and claw dish 5 fixedly together, during the connection, insert the bar hole 16 of 5 upper ends of claw dish with the fixture block of 2 lower extremes of lead screw, make the fixture block enter into the card chamber 14 of below by bar hole 16, then rotatory lead screw 2, make lead screw 2 drive the fixture block and remove and enter into card chamber 14 inside and by the spacing fixing in card chamber 14 confined top, during the in-service use, card chamber 14 also can be established to fan-shaped chamber, when rotatory fixture block and make the fixture block support on the tip in card chamber 14, accomplish the installation to the fixture block promptly, compare the card chamber 14 of disc, the moving range of fixture block can be injectd to fan-shaped chamber, make the connection between lead screw 2 and the claw dish 5 more stable.

Then both ends of the fixing plate 1 are fixed on the edges of both sides of the grid chamber on the grid to fix the device. In operation, the nut 3 is rotated, and the nut 3 drives the screw rod 2 and the claw disk 5 to move according to the implementation process of the previous embodiment so that the claw feet 6 are deeply embedded into the rock-soil layer to radially fix the device. When the nut 3 is rotated, the nut 3 drives the spline housing 12 to rotate, the spline housing 12 pushes the spline shaft 11 to rotate so as to drive the sleeve 8 to synchronously rotate, the sleeve 8 rotates on the claw disc 5 while moving downwards along with the claw disc 5, and therefore the transverse claw 10 on the sleeve 8 is obliquely cut into a rock-soil layer, and the device is radially fixed. Thereby, the device is radially and transversely fixed in the geotechnical layer, and the device is enabled to stably fix the grating on the geotechnical layer. In the operation process, the operation plate 13 is extruded, so that the screw rod 2 can be assisted to move axially, and the screw rod 2 can be ensured to be deep into a rock-soil layer.

Example 4

As shown in fig. 7, the grid fixing device for slope support differs from embodiment 3 in that: the spline housing 12 can be dismantled the cooperation with limiting plate 4 in this embodiment, and is specific: spline housing 12's top welded fastening has two connecting cylinders 17, two connecting cylinder 17 symmetries set up the both sides at integral key shaft 11, vertical sliding connection has wedge 19 in the connecting cylinder 17, wedge 19's top is the inclined plane, two recesses have been seted up to limiting plate 4's bottom, the shape of recess and wedge 19's shape phase-match, make wedge 19 insert in the recess and with the vertical sliding fit of recess, all be connected with the elastic component between wedge 19 and connecting cylinder 17's the diapire, the elastic component in this embodiment is spring 18.

In this embodiment can drive spline housing 12 when swivel nut 3 and rotate to make sleeve 8 drive horizontal claw 10 and rotate and insert to the ground layer, and realize carrying out horizontal fixed effect to the device, this in-process lead screw 2 smooth downstream and make the stationary dog insert in the ground layer.

When the transverse claw 10 is gradually inserted into the deep part of the rock-soil layer, the transverse claw 10 is easy to rub against the rock-soil layer to prevent the transverse claw 10 from continuously rotating, so that the sleeve 8, the spline shaft 11 and the spline housing 12 are difficult to rotate, the smooth rotation of the nut 3 is easily influenced, the movement of the screw rod 2 is influenced, and the depth of the fixed claw extending into the rock-soil layer is further influenced, however, in the embodiment, due to the arrangement of the wedge block 19, the nut 3 is continuously rotated at the moment, the side wall of the groove on the limiting plate 4 plays an extruding role on the inclined surface of the wedge block 19, so that the spring 18 is compressed, the wedge block 19 is separated from the groove, at the moment, the wedge block 19 is separated from the limiting plate 4, so that the nut 3 is not influenced by the transverse claw 10, the nut 3 can continuously rotate, at the moment, the spline housing 12 does not rotate, so that the transverse claw 10 cannot rotate, and the smooth movement of the screw rod 2 cannot be influenced even after the transverse claw 10 is inserted into the rock-soil layer, and then make the stationary dog can insert the deeper of ground layer to reinforcing is to the fixed effect of grid.

The foregoing is merely an example of the present invention and common general knowledge in the art of designing and/or characterizing particular aspects and/or features is not described in any greater detail herein. It should be noted that, for those skilled in the art, without departing from the technical solution of the present invention, several variations and modifications can be made, which should also be regarded as the protection scope of the present invention, and these will not affect the effect of the implementation of the present invention and the practicability of the patent. The scope of the claims of the present application shall be determined by the contents of the claims, and the description of the embodiments and the like in the specification shall be used to explain the contents of the claims.

Claims (10)

1. Grid fixing device that side slope support was used, its characterized in that: the fixing device comprises a screw rod and a fixing plate, wherein a mounting hole and a through hole are formed in the fixing plate, a nut is rotatably connected in the through hole, one part of the nut is located on the outer side of the fixing plate, and the screw rod penetrates through the nut and the through hole and is fixedly connected with a fixing claw.

2. The grid fixing device for slope support according to claim 1, wherein: the fixed claw comprises a claw disc fixedly connected with the screw rod and a plurality of claw feet fixed on the claw disc, and the claw feet are uniformly distributed in an annular shape around the center of the claw disc.

3. The grid fixing device for slope support according to claim 2, wherein: the free ends of the claw feet are all pointed ends, and the free ends of the claw feet are inclined towards one side far away from the center of the claw disc.

4. A grid fixing device for side slope support according to claim 3, wherein: the claw foot is provided with a plurality of supporting claws along the axial direction of the claw foot in sequence, the included angle between each supporting claw and the claw foot is an acute angle, and the free end of each supporting claw is positioned on the upper side of the other end.

5. The grid fixing device for slope support according to claim 2, wherein: the claw disc is rotatably connected with a sleeve, the side wall of the sleeve is fixedly connected with a plurality of transverse claws, one end of the sleeve, far away from the claw disc, is coaxially and fixedly connected with a spline shaft, and the spline shaft is cylindrical; still be equipped with the spline housing in the perforation, the spline housing is connected with the nut, and spline fit between spline housing and the integral key shaft, the lead screw passes nut, spline housing, integral key shaft and sleeve in proper order and can dismantle fixed connection on the claw dish.

6. A grid fixing device for side slope support according to claim 5, wherein: the claw surface of the transverse claw is an inclined surface.

7. A grid fixing device for side slope support according to claim 5, wherein: the inside card chamber that is equipped with the disc of claw dish, the top in card chamber is equipped with the through-hole that supplies the lead screw to penetrate, and the intercommunication is equipped with the bar hole along the radial extension of through-hole on the through-hole, bar hole and card chamber intercommunication, fixedly connected with fixture block on the tip of lead screw, the width in the width less than or equal to bar hole of fixture block, and the thickness of fixture block is less than or equal to the height in card chamber.

8. The grid fixing device for slope support according to claim 7, wherein: one end of the screw rod, which is far away from the claw disc, is fixedly connected with an operation plate.

9. The grid fixing device for slope support according to claim 2, wherein: the end surface of the claw disc connected with the claw foot is a conical surface.

10. A grid fixing device for side slope support according to claim 5, wherein: the top of spline housing is connected with the connecting cylinder, vertical sliding connection has the wedge in the connecting cylinder, the top of wedge is the inclined plane, the lower extreme of nut is connected with the limiting plate, the bottom of limiting plate is seted up flutedly, the wedge insert in the recess and with the vertical sliding fit of recess, the wedge with be connected with the elastic component between the diapire of connecting cylinder.

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