CN220394532U - Anchor rod static pressure pile counterforce device - Google Patents

Abstract

The application discloses stock static pressure stake reaction device belongs to building engineering technical field, it includes the mounting bracket, install the pressure board on the mounting bracket, install the static pressure stake body on the pressure board, install the pneumatic cylinder on the mounting bracket, the output shaft and the pressure board fixed connection of pneumatic cylinder, the mounting bracket is kept away from the side-mounting of pneumatic cylinder and is had the backup pad, install fixed stock on the side that the mounting bracket was kept away from to the backup pad, install the wedge on the tip that the mounting bracket was kept away from to fixed stock, the cover is equipped with the shell that rises on the wedge, wear to be equipped with drive screw on the terminal surface that the wedge was kept away from to fixed stock, drive screw penetrates the tip and the wedge screw-thread fit of fixed stock, be provided with in the backup pad and be used for making drive screw pivoted drive assembly. The static pile counter force device has the effect of improving stability.

Description

Anchor rod static pressure pile counterforce device

Technical Field

The application relates to the technical field of constructional engineering, in particular to an anchor rod static pressure pile counterforce device.

Background

The anchor rod static pressure pile is a counterforce provided by means of the fixed connection of the anchor rod and the building foundation slab, a counterforce frame of the anchor rod static pressure pile counterforce device is used as a transmission system, the precast pile is pressed into a soil layer by a jack arranged at the pile top, the pile top is packaged, the packaged concrete is integrated with the building after being solidified, the upper load is borne together with the original foundation, and the bearing capacity of the foundation of the original building is improved.

At present, when the anchor rod static pressure pile counterforce device is used, an anchor rod needs to be driven into a soil layer, then an operator is connected with the anchor rod and the static pressure pile counterforce device, and finally a jack arranged at the pile top is used for pressing a precast pile into the soil layer, so that the construction of the precast pile is realized.

In view of the above-mentioned related art, the inventor believes that after the anchor rod is fixed and installed, the operation is performed by connecting the static pressure pile reaction force device, and as the precast pile is driven into the soil layer, the reaction force applied to the anchor rod increases, and when the anchor rod is not enough in anchoring degree, the static pressure pile reaction force device cannot normally operate, and the stability is poor.

Disclosure of Invention

In order to improve stability of a static pile reaction device, the application provides an anchor rod static pile reaction device.

The application provides a stock static pressure stake reaction device adopts following technical scheme:

the utility model provides an stock static pressure stake reaction device, includes the mounting bracket, install in pressure board on the mounting bracket, install in static pressure stake body on the pressure board, install in addition and install the pneumatic cylinder, the output shaft of pneumatic cylinder with pressure board fixed connection, the mounting bracket is kept away from the side-mounting of pneumatic cylinder has the backup pad, the backup pad is kept away from install the fixed stock on the side of mounting bracket, the fixed stock is kept away from install on the tip of mounting bracket and is carved the body, it is equipped with the shell that rises to carve the cover on the body, the fixed stock is kept away from wear to be equipped with drive screw on the terminal surface of carving the body, drive screw penetrates the tip of fixed stock with wedge screw-thread fit, be provided with in the backup pad and be used for the drive screw pivoted drive assembly.

Through adopting above-mentioned technical scheme, operating personnel drives the stock into the soil layer, and then operating personnel utilizes drive assembly to make drive screw rotate, and drive screw rotates and drives the wedge and remove, along with wedge expansion section diameter increase, the radial expansion of shell and pore wall support tightly to improve the anchoring degree of stock, make static pile counterforce device still can normal operating under great counter-force, improved static pile counterforce device's stability.

Preferably, the driving assembly comprises a rotating part, a worm wheel and a worm, wherein the rotating part is arranged on the supporting plate, the worm wheel is fixedly sleeved on one side, close to the mounting frame, of the rotating part, the worm is arranged in the supporting plate in a penetrating mode, the end portion, away from the worm wheel, of the rotating part is in plug-in connection with the driving screw, the worm wheel is meshed with the worm, and the supporting plate is provided with a transmission assembly for driving the worm to rotate.

Through adopting above-mentioned technical scheme, operating personnel utilizes rotating assembly to make the worm rotate, and the worm rotates and drives the worm wheel and rotate, and the worm wheel rotates and drives the rotation piece and rotate, rotates the rotation piece and rotates and drive the drive screw rotation to improve the anchoring degree of stock, improved static pressure stake reaction device's stability.

Preferably, the rotating member comprises a telescopic rod penetrating through the worm wheel, and a connecting screw fixedly connected to the telescopic rod and close to the driving screw, wherein the supporting plate is provided with a plugging groove for plugging and matching with the fixed anchor rod, the connecting screw is in threaded fit with the supporting plate, the connecting screw is in threaded fit with the driving screw, the driving screw can penetrate through the inner end face of the plugging groove, and the driving screw is in threaded fit with the supporting plate.

Through adopting above-mentioned technical scheme, operating personnel passes through the worm wheel and drives the telescopic link rotation, and the telescopic link rotates and drives the connecting screw and rotate, and the connecting screw rotates and drives the drive screw and rotate, and the connecting screw removes in the backup pad, when the drive screw follows the connecting screw and removes to the interior terminal surface of spliced groove, the drive screw penetrates the interior terminal surface of spliced groove to make drive screw and backup pad fixed, and then make fixed stock and backup pad fixed.

Preferably, the transmission assembly comprises a driving bevel gear fixedly sleeved on the worm, a rotating rod installed on the supporting plate, and a driven bevel gear fixedly sleeved on the end part, close to the driving bevel gear, of the rotating rod, wherein the driving bevel gear is meshed with the driven bevel gear.

Through adopting above-mentioned technical scheme, operating personnel makes the dwang rotate, and the dwang rotates and drives driven bevel gear and rotate, and driven bevel gear rotates and drives the drive bevel gear and rotate, and the drive bevel gear rotates and drives the worm and rotate to the anchoring degree of stock has been improved.

Preferably, the rotating rod is rotatably connected to the mounting frame, the rotating rod penetrates through the pressure plate, a spiral groove is formed in the rotating rod, a limiting hole for the rotating rod to penetrate through is formed in the pressure plate, and a limiting block used for sliding fit with the spiral groove is arranged on the limiting hole.

Through adopting above-mentioned technical scheme, operating personnel utilize the pneumatic cylinder to drive the pressure board and remove, and the pressure board removes and drives the stopper and remove in the helicla flute to make the dwang rotate, the dwang rotates and makes the radial expansion of shell and the pore wall support tightly, makes the anchoring degree of stock improve, thereby has improved the stability of static pressure stake reaction device.

Preferably, a stop groove is formed in the end, close to the support plate, of the rotating rod, the stop block is in sliding fit with the stop groove, and the stop groove is communicated with one end, close to the support plate, of the spiral groove.

Through adopting above-mentioned technical scheme, when the stopper removes to the position of stop groove, the stopper removes in the stop groove for the dwang stops rotating, prevents that drive screw from becoming flexible, has improved the stability of fixed stock.

Preferably, the inner wall of the plugging groove is provided with a positioning block in a penetrating way, the inner wall of the plugging groove is provided with a positioning groove matched with the positioning block in a sliding way, the fixed anchor rod is provided with a locking groove matched with the positioning block in a plugging way, the positioning block is fixedly connected with a moving plate, the supporting plate is provided with a moving groove, and the moving plate penetrates out of the supporting plate and is matched with the moving groove in a sliding way.

Through adopting above-mentioned technical scheme, operating personnel utilizes the movable plate to make the locating piece get into the constant head tank in, then operating personnel pegging graft drive screw and connecting screw, and fixed stock inserts the grafting inslot, then operating personnel utilizes the movable plate to make the locating piece insert the locking inslot to fix the stock in advance, make things convenient for operating personnel to anchor the fixed stock fixedly.

Preferably, a positioning spring is fixedly connected to the end part, far away from the fixed anchor rod, of the positioning block, and the end part, far away from the positioning block, of the positioning spring is fixedly connected with the inner end surface of the positioning groove.

Through adopting above-mentioned technical scheme, operating personnel utilizes the movable plate to make the locating piece get into the constant head tank in, and then operating personnel inserts fixed stock in the jack-in groove, and positioning spring is in compression state this moment, and operating personnel continues to remove fixed stock, and when the locating piece arrived the position of locking groove, the locating piece inserts in the locking groove under positioning spring's effect, and then realizes fixing the pre-fixation of stock, makes things convenient for operating personnel to use.

Preferably, an inclined plane is arranged on the end part, close to the fixed anchor rod, of the positioning block.

Through adopting above-mentioned technical scheme, operating personnel inserts fixed stock in the jack-in groove, and the opening part of jack-in groove and the inclined plane cooperation of sliding of locating piece this moment, operating personnel continue to remove fixed stock, and the locating piece gets into the constant head tank in, and positioning spring is in compression state this moment, and operating personnel continue to remove the locating piece, and the locating piece slides on the inside wall of jack-in groove, and when the locating piece moved to the position of locking groove, the locating piece got into in the locking groove under positioning spring's effect to realize the preinstallation of fixed stock.

In summary, the present application includes at least one of the following beneficial technical effects:

1. an operator drives the anchor rod into the soil layer, then the operator utilizes the driving assembly to enable the driving screw rod to rotate, the driving screw rod rotates to drive the wedge body to move, and the expanding section of the wedge body is increased in diameter, the expanding shell radially expands and abuts against the hole wall, so that the anchoring degree of the anchor rod is improved, the static pile counterforce device can still normally operate under larger counterforce, and the stability of the static pile counterforce device is improved;

2. an operator drives the pressure plate to move by using the hydraulic cylinder, and the pressure plate moves to drive the limiting block to move in the spiral groove, so that the rotating rod rotates, the rotating rod rotates to enable the expanding shell to radially expand and abut against the hole wall, the anchoring degree of the anchor rod is improved, and the stability of the static pressure pile counterforce device is improved;

3. the operating personnel inserts fixed stock in the jack-in groove, and the opening part of jack-in groove and the inclined plane of locating piece slide the cooperation this moment, and operating personnel continues to remove fixed stock, and the locating piece gets into the constant head tank in, and positioning spring is in compressed state this moment, and operating personnel continues to remove the locating piece, and the locating piece slides on the inside wall of jack-in groove, and when the locating piece moved to the position of locking groove, the locating piece gets into the locking inslot under positioning spring's effect to realize the preinstallation of fixed stock.

Drawings

Fig. 1 is a schematic structural diagram of an anchor static pile reaction device according to an embodiment of the present application.

Fig. 2 is a schematic diagram of an internal structure of an anchor rod static pile reaction device according to an embodiment of the present application.

Fig. 3 is an enlarged schematic view at a in fig. 2.

Fig. 4 is a schematic view of the internal structure of the pressure plate of the embodiment of the present application.

Fig. 5 is an enlarged schematic view at B in fig. 4.

Reference numerals illustrate:

1. a mounting frame; 11. a pressure plate; 111. a limiting hole; 112. a limiting block; 12. static pressure pile body; 13. a hydraulic cylinder; 14. a support plate; 141. a plug-in groove; 142. a positioning block; 143. a positioning groove; 144. a moving plate; 145. a moving groove; 146. a positioning spring; 15. fixing the anchor rod; 151. a wedge; 152. expanding the shell; 153. driving a screw; 154. a locking groove; 2. a drive assembly; 21. a rotating member; 211. a telescopic rod; 212. a connecting screw; 22. a worm wheel; 23. a worm; 3. a transmission assembly; 31. a drive bevel gear; 32. a rotating lever; 321. a spiral groove; 322. a stop groove; 33. driven bevel gears.

Detailed Description

The present application is described in further detail below in conjunction with figures 1-3.

The embodiment of the application discloses a stock static pressure stake reaction device. Referring to fig. 1, the anchor rod static pressure pile reaction force device comprises a mounting frame 1, a pressure plate 11 and a hydraulic cylinder 13. The mounting bracket 1 is vertically arranged, and support plates 14 are arranged on two sides of the bottom of the mounting bracket 1. The pressure plate 11 is rectangular plate-shaped, the pressure plate 11 is horizontally arranged, the pressure plate 11 is installed on the installation frame 1, the pressure plate 11 is in sliding fit with the installation frame 1, the static pressure pile body 12 is installed on the bottom surface of the pressure plate 11, and the static pressure pile body 12 is vertically arranged. The pneumatic cylinder 13 is vertical to be set up, and pneumatic cylinder 13 installs on mounting bracket 1, and the output shaft and the pressure board 11 fixed connection of pneumatic cylinder 13.

Referring to fig. 1 and 2, the support plate 14 is rectangular plate-shaped, the support plate 14 is horizontally arranged, and a fixing anchor rod 15 is arranged on the side surface of the support plate 14 away from the mounting frame 1 in a penetrating manner. The fixed anchor rods 15 are vertically arranged, the fixed anchor rods 15 are four, the fixed anchor rods 15 are arranged at four corners of the bottom of the mounting frame 1, and the fixed anchor rods 15 penetrate through the supporting plate 14. The supporting plate 14 is provided with a plug-in groove 141, and the outer side wall of the fixed anchor rod 15 is in sliding fit with the inner side wall of the plug-in groove 141.

Referring to fig. 2 and 3, a positioning block 142 is disposed on an inner sidewall of the plugging slot 141 in a penetrating manner, the positioning block 142 is disposed horizontally, a positioning slot 143 is disposed on an inner wall of the plugging slot 141, and an inner sidewall of the positioning slot 143 is slidably matched with an outer sidewall of the positioning block 142. The end part of the positioning block 142 penetrating into the supporting plate 14 is fixedly connected with a positioning spring 146, and the end part of the positioning spring 146 far away from the positioning block 142 is fixedly connected with the inner end surface of the positioning groove 143.

Referring to fig. 3 and 4, the fixing anchor 15 is provided with locking grooves 154, the locking grooves 154 are in one-to-one correspondence with the positioning blocks 142, and the inner side walls of the locking grooves 154 are in sliding fit with the outer side walls of the positioning blocks 142. The end of the positioning block 142, which is close to the fixed anchor 15, is provided with an inclined surface, and the end of the positioning block 142, which is far away from the fixed anchor 15, is provided with a moving plate 144. The movable plate 144 is rectangular plate-shaped, the movable plate 144 is fixedly connected with the positioning block 142, a movable groove 145 is formed in the inner side wall of the positioning groove 143, the outer side wall of the movable plate 144 is in sliding fit with the inner side wall of the movable groove 145, and the movable groove 145 is communicated with the outer peripheral surface of the supporting plate 14.

The operator inserts the fixed anchor rod 15 into the inserting groove 141, at the moment, the opening of the inserting groove 141 is in sliding fit with the inclined surface of the positioning block 142, the operator continues to move the fixed anchor rod 15, and when the positioning block 142 moves to the position of the locking groove 154, the positioning block 142 enters the locking groove 154 under the action of the positioning spring 146, so that the pre-installation of the fixed anchor rod 15 is realized; the operator dials the moving plate 144, and the moving plate 144 drives the positioning block 142 to move, thereby releasing the locking state of the fixed anchor 15.

Referring to fig. 2, a wedge 151 is penetrated at an end of the fixed anchor 15 remote from the support plate 14, the wedge 151 is vertically disposed, and an expansion shell 152 is disposed at an end of the wedge 151 penetrating out of the fixed anchor 15. The expansion shell 152 is vertically arranged, the expansion shell 152 is sleeved on the wedge 151, and the expansion shell 152 is fixedly connected with the end part of the fixed anchor rod 15, which is far away from the supporting plate 14.

Referring to fig. 2 and 3, a driving screw 153 is penetrated on the fixed anchor 15, the driving screw 153 is vertically arranged, the end of the driving screw 153 in the fixed anchor 15 is penetrated on the wedge 151, and the driving screw 153 is in threaded fit with the wedge 151. The fixed anchor 15 is provided with a driving assembly 2 for rotating the driving screw 153, and the driving assembly 2 includes a rotating member 21, a worm wheel 22, and a worm 23.

Referring to fig. 3, the rotating member 21 includes a telescopic rod 211 and a connecting screw 212, the telescopic rod 211 is vertically disposed, the telescopic rod 211 is inserted into the support plate 14, and the telescopic rod 211 is rotatably connected with the support plate 14. The connecting screw 212 is vertically arranged, the connecting screw 212 penetrates through the supporting plate 14, the connecting screw 212 is in threaded fit with the supporting plate 14, the end, close to the mounting frame 1, of the connecting screw 212 is fixedly connected with the telescopic rod 211, and the end, far away from the telescopic rod 211, of the connecting screw 212 is in plug fit with the driving screw 153.

The operating personnel drives the connecting screw 212 to rotate through the telescopic rod 211, and the connecting screw 212 rotates to drive the driving screw 153 to rotate, and meanwhile, the connecting screw 212 drives the driving screw 153 to move, and when the driving screw 153 penetrates into the inner end face of the inserting groove 141, the driving screw 153 is in threaded fit with the supporting plate 14, so that the driving screw 153 is fixed with the supporting plate 14, and further, the fixed anchor rod 15 is fixed with the supporting plate 14.

Referring to fig. 3, a worm wheel 22 is disposed at an end of the telescopic rod 211 away from the connecting screw 212, the worm wheel 22 is sleeved on the telescopic rod 211, and the worm wheel 22 is fixedly connected with the telescopic rod 211. The worm 23 is horizontally arranged, the worm 23 penetrates through the supporting plate 14, and two ends of the worm 23 are meshed with the worm wheel 22. The worm 23 is provided with a transmission assembly 3 for driving the worm 23 to rotate, and the transmission assembly 3 comprises a driving bevel gear 31, a rotating rod 32 and a driven bevel gear 33.

Referring to fig. 3, a drive bevel gear 31 is vertically disposed, the drive bevel gear 31 is sleeved on the worm 23, and the drive bevel gear 31 is fixedly connected with the worm 23. The rotating rod 32 is vertically arranged, the rotating rod 32 penetrates through the supporting plate 14, and the rotating rod 32 is rotationally connected with the supporting plate 14. The driven bevel gear 33 is arranged on the end part of the rotating rod 32 positioned in the supporting plate 14, the driven bevel gear 33 is sleeved on the rotating rod 32, the driven bevel gear 33 is fixedly connected with the rotating rod 32, and the driven bevel gear 33 is meshed with the driving bevel gear 31.

Referring to fig. 4 and 5, the rotation rod 32 passes through the pressure plate 11, and the rotation rod 32 is rotatably connected with the mounting frame 1, a limiting hole 111 through which the rotation rod 32 passes is formed in the pressure plate 11, and the rotation rod 32 is slidably matched with the inner wall of the limiting hole 111. A limiting block 112 is fixed on the inner wall of the limiting hole 111, a spiral groove 321 is formed in the end portion, far away from the supporting plate 14, of the rotating rod 32, and the outer side wall of the limiting block 112 is in sliding fit with the inner side wall of the spiral groove 321.

The operating personnel drives the fixed anchor rod 15 into the soil layer, then the operating personnel starts the hydraulic cylinder 13, the output shaft of the hydraulic cylinder 13 drives the limiting block 112 to move in the spiral groove 321 through the pressure plate 11, thereby the rotating rod 32 rotates, the rotating rod 32 drives the driving bevel gear 31 to rotate through the driven bevel gear 33, the driving bevel gear 31 drives the worm wheel 22 to rotate through the worm 23, the worm wheel 22 drives the connecting screw 212 to rotate through the telescopic rod 211, the connecting screw 212 drives the wedge 151 to move through the driving screw 153, the wedge 151 moves to enable the expansion shell 152 to be tightly attached to the soil layer, the anchoring degree of the anchor rod is improved, the static pile counterforce device can still normally operate under larger counterforce, and the stability of the static pile counterforce device is improved.

Referring to fig. 2 and 5, a stop groove 322 is formed in an end of the rotating rod 32, which is close to the supporting plate 14, the stop groove 322 is formed along the length direction of the rotating rod 32, one end, which is far away from the supporting plate 14, of the stop groove 322 is communicated with the spiral groove 321, and the inner side wall of the stop groove 322 is in sliding fit with the limiting block 112. When the stopper 112 moves to the position of the stopper groove 322, the rotation lever 32 stops rotating, thereby stabilizing the anchoring state of the fixing bolt 15, preventing the driving screw 153 from loosening, and improving the stability of the fixing bolt 15.

The implementation principle of the anchor rod static pile counterforce device in the embodiment of the application is as follows: the operator drives the fixed anchor 15 into the soil layer, then the operator inserts the fixed anchor 15 into the insertion groove 141, and the positioning block 142 enters the locking groove 154 under the action of the positioning spring 146, so that the pre-installation of the fixed anchor 15 is realized.

Then operating personnel starts pneumatic cylinder 13, and the output shaft of pneumatic cylinder 13 passes through stopper 112 and drives dwang 32 rotation, and dwang 32 rotates and makes the shell 152 radially open and the pore wall supports tightly, and simultaneously, dwang 32 drives drive screw 153 and rotates and support plate 14 screw-thread fit, and then makes fixed stock 15 and support plate 14 fixed to improve the anchoring degree of stock, make static pile reaction device still can normal operating under great counter-force, improved static pile reaction device's stability.

After the construction of the operator is completed, the pressure plate 11 is reset upwards to drive the rotating rod 32 to rotate reversely, so that the driving screw 153 and the supporting plate 14 are released from the fixed state, and then the operator dials the moving plate 144 to separate the mounting frame 1 from the fixed anchor rod 15, thereby being convenient for the operator to use.

The foregoing are all preferred embodiments of the present application, and are not intended to limit the scope of the present application in any way, therefore: all equivalent changes in structure, shape and principle of this application should be covered in the protection scope of this application.

Claims (9)

1. The utility model provides an stock static pressure stake reaction device, includes mounting bracket (1), install in pressure board (11) on mounting bracket (1), install in static pressure stake body (12) on pressure board (11), its characterized in that: install pneumatic cylinder (13) on mounting bracket (1), the output shaft of pneumatic cylinder (13) with pressure plate (11) fixed connection, mounting bracket (1) keep away from the side-mounting of pneumatic cylinder (13) has backup pad (14), backup pad (14) are kept away from install fixed stock (15) on the side of mounting bracket (1), fixed stock (15) are kept away from install on the tip of mounting bracket (1) and are carved body (151), it is equipped with shell (152) to carve on body (151) cover, fixed stock (15) are kept away from wear to be equipped with on the terminal surface of carving body (151) drive screw (153), drive screw (153) penetrate the tip of fixed stock (15) with wedge body (151) screw-thread fit, be provided with on backup pad (14) and be used for the drive screw (153) pivoted drive assembly (2).

2. A static pile reaction force device for anchor rods according to claim 1, wherein: the driving assembly (2) comprises a rotating part (21) arranged on the supporting plate (14), a worm wheel (22) fixedly sleeved on one side of the rotating part (21) close to the mounting frame (1), and a worm (23) penetrating through the supporting plate (14), wherein the end part of the rotating part (21) away from the worm wheel (22) is in plug-in fit with the driving screw (153), the worm wheel (22) is meshed with the worm (23), and a transmission assembly (3) for driving the worm (23) to rotate is arranged on the supporting plate (14).

3. A static pile reaction force device for anchor rods according to claim 2, wherein: the rotating piece (21) comprises a telescopic rod (211) penetrating through a worm wheel (22), and is fixedly connected to the telescopic rod (211) and is close to a connecting screw (212) on the driving screw (153), a supporting plate (14) is provided with a plugging groove (141) for plugging and matching with the fixed anchor rod (15), the connecting screw (212) is in threaded fit with the supporting plate (14), the connecting screw (212) is in plugging and matching with the driving screw (153), and the driving screw (153) can penetrate through the inner end face of the plugging groove (141), and the driving screw (153) is in threaded fit with the supporting plate (14).

4. A static pile reaction force device for anchor rods according to claim 2, wherein: the transmission assembly (3) comprises a driving bevel gear (31) fixedly sleeved on the worm (23), a rotating rod (32) installed on the supporting plate (14) and a driven bevel gear (33) fixedly sleeved on the end part, close to the driving bevel gear (31), of the rotating rod (32), and the driving bevel gear (31) is meshed with the driven bevel gear (33).

5. The stock static pile reaction force device of claim 4, wherein: the utility model discloses a pressure plate, including mounting bracket (1), pressure plate (11), pivoted lever (32) rotate connect in on mounting bracket (1), pivoted lever (32) wear to locate on pressure plate (11), spiral groove (321) have been seted up on pivoted lever (32), set up on pressure plate (11) and be used for supplying spacing hole (111) that pivoted lever (32) passed, be provided with on spacing hole (111) be used for with spiral groove (321) slip complex stopper (112).

6. The stock static pile reaction force device of claim 5, wherein: the end of the rotating rod (32) close to the supporting plate (14) is provided with a stop groove (322), the limiting block (112) is in sliding fit with the stop groove (322), and the stop groove (322) is communicated with one end of the spiral groove (321) close to the supporting plate (14).

7. A static pile reaction force device according to claim 3, wherein: the utility model discloses a fixed anchor, including fixed anchor rod (15), fixed anchor rod (15) and fixed anchor rod (15), wear to be equipped with locating piece (142) on the inner wall of jack groove (141), set up on the inner wall of jack groove (141), be used for with locating piece (142) grafting complex locked groove (154) have been seted up on locating piece (142), set up on backup pad (14) movable groove (145), movable plate (144) wear out backup pad (14) and with movable groove (145) slip cooperation.

8. The stock static pile reaction force device of claim 7, wherein: the end part, far away from the fixed anchor rod (15), of the positioning block (142) is fixedly connected with a positioning spring (146), and the end part, far away from the positioning block (142), of the positioning spring (146) is fixedly connected with the inner end surface of the positioning groove (143).

9. The stock static pile reaction force device of claim 7, wherein: an inclined plane is arranged on the end part, close to the fixed anchor rod (15), of the positioning block (142).