Anchor rod pushing mechanism

Abstract

The utility model discloses an anchor rod pushing mechanism which comprises a pushing beam and a rock drill arranged on the pushing beam through a sliding mechanism and further comprises a push rod and a gripper assembly, and the push rod is arranged on the sliding mechanism or the rock drill. The gripper assembly comprises a base, a support and a gripper, the base is fixedly arranged on the propelling beam, the first end of the support is hinged to the base, the gripper is arranged at the second end of the support, and a gripping groove is formed in the gripping end of the gripper; the support has a first state and a second state: in the first state, the gripper on the support faces the height direction of the propelling beam, and the support is located on a sliding path of the push rod; and in the second state, the gripper on the support faces the direction of the tail end of the propelling beam. The utility model relates to the technical field of tunnel construction, the push rod can push over the support before the rock drill collides with the support, so that the rock drill is effectively prevented from interfering with the gripper, the structure is simple, the support cost is low, the failure rate is small, and the construction efficiency can be effectively improved.

Description

Technical Field

[0001] The utility model relates to the technical field of tunnel construction, in particular to an anchor rod pushing mechanism. Background Art

[0002] At present, in tunnel or mine support, when anchor rods are constructed with anchor rod trolleys, the anchor rods are grabbed by grippers. After being grabbed from the anchor rod warehouse, the anchor rods are driven into the anchor rod holes by hydraulic rock drills. In this process, the grippers play the role of grabbing the anchor rods and assisting in delivering the anchor rods. Currently, manual intervention is often required in construction, which is mainly manifested in the grippers failing to clamp the anchor rods, the grippers failing to fall at the appropriate time, the grippers getting stuck and unable to return to their original positions after falling, etc., resulting in low construction efficiency. Utility Model Content

[0003] In view of the above-mentioned deficiencies in the prior art, the utility model provides an anchor rod pushing mechanism, which not only has a simple structure and a low support cost, but also has a low failure rate, and can effectively improve construction efficiency.

[0004] To achieve the above-mentioned purpose, the utility model provides an anchor rod pushing mechanism, comprising a pushing beam and a rock drill arranged on the pushing beam through a sliding mechanism, and also comprising a push rod and at least one gripper assembly, wherein the push rod is arranged on the sliding mechanism or the rock drill;

[0005] The gripper assembly comprises a base, a support and a gripper, wherein the base is fixedly mounted on the propulsion beam, a first end of the support is hinged to the base via a pin, the gripper is arranged at a second end of the support, and a gripping groove capable of gripping an anchor rod is provided on a gripping end of the gripper;

[0006] The support has a first state and a second state:

[0007] In the first state, the gripper on the support faces the height direction of the propulsion beam, and the support is located on the sliding path of the push rod;

[0008] In the second state, the gripper on the support faces the direction of the end of the propulsion beam.

[0009] In one embodiment, the gripper assembly further comprises a driving mechanism to switch the support from the second state to the first state.

[0010] In one embodiment, the driving mechanism includes a tension spring, one end of which is connected to the base, and the other end of which is connected to the support;

[0011] In the second state, the axis of the pin is located below the tension spring.

[0012] In one embodiment, the driving mechanism includes a tension spring and a blocking block, one end of the tension spring is connected to the base, and the other end is connected to the support;

[0013] In the second state, the axis of the pin is located above the tension spring;

[0014] The blocking block is located on a rotation path of the support when the support follows the rotation of the propulsion beam.

[0015] In one embodiment, the driving mechanism includes a coil spring and two blocking rods;

[0016] The two blocking rods are respectively arranged on the base and the support, the coil spring is sleeved on the pin shaft, and the two ends of the coil spring respectively abut against the two blocking rods.

[0017] In one embodiment, the driving mechanism comprises a telescopic cylinder, a fixed end of the telescopic cylinder is hinged to the base or the propulsion beam, and a telescopic end of the telescopic cylinder is hinged to the support.

[0018] In one embodiment, there are multiple gripper assemblies, and each gripper assembly is arranged on the propulsion beam at intervals;

[0019] The gripper assembly located behind the rock drill when the rock drill has completed driving the anchor and has not returned to its original position is defined as a first gripper assembly, and the gripper assembly located below the rock drill when the rock drill has completed driving the anchor and has not returned to its original position is defined as a second gripper assembly;

[0020] In the first gripper assembly:

[0021] The driving mechanism comprises a telescopic cylinder, a fixed end of the telescopic cylinder is hinged to the base or the propulsion beam, and a telescopic end of the telescopic cylinder is hinged to the support; or

[0022] The driving mechanism includes a tension spring and a blocking block, one end of the tension spring is connected to the base, and the other end is connected to the support, in the second state, the axis of the pin is located above the tension spring, and the blocking block is located on the rotation path of the support when following the rotation of the propulsion beam;

[0023] In the second gripper assembly:

[0024] The driving mechanism comprises a telescopic cylinder, a fixed end of the telescopic cylinder is hinged to the base or the propulsion beam, and a telescopic end of the telescopic cylinder is hinged to the support; or

[0025] The driving mechanism includes a tension spring and a blocking block, one end of the tension spring is connected to the base, and the other end is connected to the support, in the second state, the axis of the pin is located above the tension spring, and the blocking block is located on the rotation path of the support when following the rotation of the propulsion beam; or

[0026] The driving mechanism comprises a tension spring, one end of the tension spring is connected to the base, and the other end is connected to the support, and in the second state, the axis of the pin is located below the tension spring; or

[0027] The driving mechanism comprises a coil spring and two baffle rods. The two baffle rods are respectively arranged on the base and the support. The coil spring is sleeved on the pin shaft, and two ends of the coil spring respectively abut against the two baffle rods.

[0028] In one embodiment, the gripper includes a compression spring and two clamping jaws;

[0029] The clamping jaws are hinged at the second end of the support, and the two clamping jaws are symmetrical to each other along the symmetry axis;

[0030] The first ends of the two clamping jaws are connected via the compression spring, and the second ends of the two clamping jaws constitute the grasping end of the gripper.

[0031] In one embodiment, the gripper further comprises a limit plate, the limit plate is fixedly arranged at the second end of the support, and the clamping claw is hinged between the limit plate and the support;

[0032] The two sides of the limit plate are provided with baffles corresponding to the two clamping jaws, and the baffles are located on the rotation path of the clamping jaws on the corresponding side to limit the minimum opening size of the gripping end of the gripper.

[0033] In one embodiment, the second end of the clamping jaw extends in a direction away from the symmetry axis, and the second end of the clamping jaw is a rounded structure.

[0034] Compared with the prior art, the utility model has the following beneficial technical effects:

[0035] 1. The utility model arranges the gripper on a support that can rotate relative to the propulsion beam, and arranges a push rod on the sliding mechanism or the rock drill, so that the push rod can push down the support before the rock drill hits the support, thereby effectively avoiding interference between the rock drill and the gripper;

[0036] 2. In the preferred embodiment of the utility model, a driving mechanism is arranged in the gripper assembly, and a mechanical structure such as a tension spring or a coil spring can be selected as a driving mechanism, so that the support can automatically switch from the second state to the first state, and realize automatic return, without the need for hydraulic or motor mechanisms, and effectively reducing the cost;

[0037] 3. In the preferred embodiment of the present invention, a plurality of gripper assemblies can be arranged on the propulsion beam to improve the stability of anchor rod grabbing. At the same time, the same or different driving mechanisms can be arranged in each gripper assembly so that the driving assemblies cooperate with each other without affecting each other. BRIEF DESCRIPTION OF THE DRAWINGS

[0038] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on the structures shown in these drawings without paying creative work.

[0039] Figure 1 This is a structural schematic diagram of the anchor rod pushing mechanism in the embodiment of the utility model before the anchor rod is driven in;

[0040] Figure 2 It is an axonometric view of the gripper assembly in the embodiment of the utility model;

[0041] Figure 3 It is a front view of the gripper assembly when the lower support of the first embodiment of the driving mechanism in the embodiment of the utility model is in the first state;

[0042] Figure 4 It is a front view of the gripper assembly when the lower support of the first embodiment of the driving mechanism in the embodiment of the utility model is in the second state;

[0043] Figure 5 It is a front view of the gripper assembly when the lower support of the second embodiment of the driving mechanism in the embodiment of the utility model is in the first state;

[0044] Figure 6 It is a front view of the gripper assembly when the lower support of the second embodiment of the driving mechanism in the embodiment of the utility model is in the second state;

[0045] Figure 7 It is a front view of the gripper assembly when the lower support of the third embodiment of the driving mechanism in the embodiment of the utility model is in the first state;

[0046] Figure 8 It is a partial front view of the gripper in the embodiment of the utility model;

[0047] Fig. 9 It is a partial axonometric diagram of the gripper in the embodiment of the utility model;

[0048] Fig.10 This is a structural schematic diagram of the anchor rod pushing mechanism in the embodiment of the utility model after the anchor rod is driven in;

[0049] Fig.11 This is a schematic diagram of the return of the first gripper assembly in the embodiment of the utility model.

[0050] Figure numbers: propulsion beam 1, sliding mechanism 2, rock drill 3, push rod 4, base 5, support 6, gripper 7, grab groove 701, compression spring 702, clamping claw 703, limit plate 704, baffle 7041, pin 8, tension spring 9, blocking block 10, coil spring 11, baffle rod 12, anchor rod 13.

[0051] The realization of the purpose, functional features and advantages of the utility model will be further explained in conjunction with embodiments and with reference to the accompanying drawings. DETAILED DESCRIPTION

[0052] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0053] It should be noted that all directional indications in the embodiments of the present invention (such as up, down, left, right, front, back...) are only used to explain the relative position relationship, movement status, etc. between the components under a certain specific posture (as shown in the accompanying drawings). If the specific posture changes, the directional indication will also change accordingly.

[0054] In addition, in the present invention, the descriptions of "first", "second", etc. are only used for descriptive purposes and cannot be understood as indicating or implying their relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" or "second" may explicitly or implicitly include at least one of the features. In the description of the present invention, the meaning of "plurality" is at least two, such as two, three, etc., unless otherwise clearly and specifically defined.

[0055] In the present invention, unless otherwise clearly specified and limited, the terms "connection", "fixation", etc. should be understood in a broad sense. For example, "fixation" can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection, an electrical connection, a physical connection, or a wireless communication connection; it can be a direct connection, or an indirect connection through an intermediate medium, or it can be the internal connection of two elements or the interaction relationship between two elements, unless otherwise clearly defined. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0056] In addition, the technical solutions between the various embodiments of the present invention can be combined with each other, but it must be based on the fact that ordinary technicians in the field can implement it. When the combination of technical solutions is contradictory or cannot be implemented, it should be deemed that such combination of technical solutions does not exist and is not within the scope of protection required by the present invention.

[0057] like Figure 1 , Figure 2 The present embodiment shows an anchor rod pushing mechanism disclosed in the present invention, which mainly includes a push beam 1, a rock drill 3 arranged on the push beam 1 through a sliding mechanism 2, a push rod 4 and at least one gripper assembly. The rock drill 3 can slide on the push beam 1 driven by the sliding mechanism 2 to perform rock drilling. The push rod 4 is arranged on the sliding mechanism 2 or the rock drill 3 and faces the rock drilling direction of the rock drill 3. The gripper assembly includes a base 5, a support 6 and a gripper 7. The base 5 is fixedly connected to the side of the push beam 1 by bolt connection or welding. The first end of the support 6 is hinged to the base 5 through a pin 8. The gripper 7 is arranged at the second end of the support 6, and a gripper groove 701 is provided on the gripper end of the gripper 7 for gripping the anchor rod 13. The support 6 has a first state and a second state. In the first state, the gripper 7 on the support 6 faces the height direction of the push beam 1, and the support 6 is located on the sliding path of the push rod 4. In the second state, the gripper 7 on the support 6 faces the direction of the end of the push beam 1. Before the rock drill 3 starts drilling, the support 6 is in the first state, that is, the anchor rod 13 on the gripper 7 is at the rock drilling position. When the rock drill 3 drives the anchor rod 13 into the anchor rod hole, the rock drill 3 and the sliding mechanism 2 move forward, and the push rod 4 also moves. When the rock drill 3 is about to hit the support 6, the push rod 4 pushes the support 6 down in advance, thereby avoiding interference between the gripper 7 and the rock drill 3, and at the same time achieving separation of the gripper 7 and the anchor rod 13.

[0058] In this embodiment, the gripper assembly further includes a driving mechanism for switching the support 6 from the second state to the first state.

[0059] In the specific implementation process, the driving mechanism has multiple implementation modes, namely:

[0060] refer to Figure 3 , Figure 4 This is the first embodiment of the driving mechanism, in which the driving mechanism includes a tension spring 9, one end of which is connected to the base 5, and the other end is connected to the support 6. When the support 6 is in the first state, the tension spring 9 is in a free state; when the support 6 is in the second state, the tension spring 9 is in a stretched state, and the axis of the pin 8 is located below the tension spring 9, that is, the connection point of the tension spring 9 does not pass through the hinge dead point of the pin 8, so when the support 6 is in the second state and is not blocked by interference, the support 6 can be automatically reset to the first state under the action of the tension spring 9.

[0061] refer to Figure 5 , Figure 6 , Fig.11 This is the second embodiment of the driving mechanism. In this embodiment, the driving mechanism includes a tension spring 9 and a blocking block 10. One end of the tension spring 9 is connected to the base 5, and the other end is connected to the support 6. The blocking block 10 is fixed on the external bracket and is located on the rotation path of the support 6 when it rotates following the propulsion beam 1. When the support 6 is in the first state, the tension spring 9 is in a free state; when the support 6 is in the second state, the tension spring 9 is in a stretched state, and the axis of the pin 8 is located above the tension spring 9, that is, the connection point of the tension spring 9 passes the hinge dead point of the pin 8. Therefore, when the support 6 is in the second state, the support 6 cannot automatically reset to the first state under the sole action of the tension spring 9. At this time, if the support 6 needs to be reset to the first state, the propulsion beam 1 can be rotated to drive the gripper assembly to rotate synchronously. Since the blocking block 10 is on the external bracket, that is, the blocking block 10 is relatively fixed during the rotation of the gripper assembly, when the support 6 rotates to contact the blocking block 10, since the blocking block 10 is fixed, the impact force will cause the support 6 to rebound slightly, so that the axis of the pin 8 changes to the bottom of the tension spring 9, and the support 6 can automatically reset to the first state under the action of the tension spring 9.

[0062] refer to Figure 7 This is the third embodiment of the driving mechanism. In this embodiment, the driving mechanism includes a coil spring 11 and two blocking rods 12. The two blocking rods 12 are respectively fixed on the base 5 and the support 6 by welding or threaded connection. The coil spring 11 is sleeved on the pin 8, and the two ends of the coil spring 11 respectively abut the two blocking rods 12. When the support 6 is in the first state, the coil spring 11 is in a free state; when the support 6 changes from the first state to the second state, the coil spring 11 is gradually rotated and compressed. Therefore, when the support 6 is in the second state and is not blocked by interference, it can automatically return to the first state under the action of the coil spring 11.

[0063] In the fourth embodiment, a hydraulically driven or electrically driven telescopic cylinder can be used as a driving mechanism, the fixed end of the telescopic cylinder is hinged to the base 5 or the propulsion beam 1, and the telescopic end of the telescopic cylinder is hinged to the support 6. By controlling the telescopic cylinder to perform telescopic action, the support 6 can be switched between the first state and the second state.

[0064] It is worth noting that in the specific application process, a limit block can be set on the propulsion beam 1, the base 5 or the support 6 or outside, so that the limit block is located on the rotation path of the support 6 to avoid the support 6 from rotating at an excessively large angle.

[0065] refer to Figure 8The gripper 7 includes a compression spring 702 and two clamping jaws 703. The clamping jaws 703 are hinged at the second end of the support 6, and the two clamping jaws 703 are symmetrical to each other along the symmetry axis. The first ends of the two clamping jaws 703 are connected by the compression spring 702, and the second ends of the two clamping jaws 703 constitute the grasping end of the gripper 7. A groove is provided on the side of the clamping jaws 703 facing the symmetry axis, and the grooves on the two clamping jaws 703 constitute the grasping groove 701. When grasping the anchor rod 13, the grasping end of the gripper 7 is gradually approached to the anchor rod 13 or the anchor rod 13 is gradually approached to the grasping end of the gripper 7 during the grasping process. Under the pressure of the anchor rod 13, the second ends of the two clamping jaws 703 are separated from each other, and the compression spring 702 is compressed. When the anchor rod 13 is inserted into the grasping groove 701, the compression spring 702 rebounds, and the anchor rod 13 can be grasped.

[0066] refer to Fig. 9 As a preferred embodiment, the gripper 7 further includes a limit plate 704, which is fixedly connected to the second end of the support 6 by bolts, and the clamping jaws 703 are hinged between the limit plate 704 and the support 6. The limit plate 704 has baffles 7041 on both sides corresponding to the two clamping jaws 703, and the baffles 7041 are located on the rotation path of the corresponding side clamping jaws 703 to limit the minimum opening size of the gripping end of the gripper 7, and the maximum opening size of the gripping end of the gripper 7 can be directly achieved by the compression spring 702.

[0067] As a preferred embodiment, the second end of the clamping jaw 703 extends in a direction away from the axis of symmetry, so that the grabbing end of the gripping hand 7 is an overall flared structure, thereby making it easier to grab the anchor rod 13. At the same time, the second end of the clamping jaw 703 is a rounded structure, which can effectively prevent the grabbing end of the gripping hand 7 from getting stuck in the pipe seam of the anchor rod 13, thereby improving construction efficiency.

[0068] As a preferred embodiment, a plurality of gripper assemblies may be provided on the propulsion beam 1, and each gripper assembly is provided on the propulsion beam 1 at intervals, thereby improving the stability of gripping the anchor rod 13. Fig.10 In this embodiment, the gripper assembly located behind the rock drill 3 when the rock drill 3 has completed driving the anchor 13 and has not returned to its original position is defined as the first gripper assembly, and the gripper assembly located below the rock drill 3 when the rock drill 3 has completed driving the anchor 13 and has not returned to its original position is defined as the second gripper assembly. Since the rock drill 3 needs to return to its original position after completing driving the anchor 13, in order to avoid interference with the return of the rock drill 3, the support 6 on the first gripper assembly needs to be unable to automatically switch from the second state to the first state, so the driving mechanism on the first gripper assembly can adopt the second embodiment or the fourth embodiment mentioned above; while there is no special requirement for the second gripper assembly, that is, the driving mechanism on the second gripper assembly can adopt any one of the above four embodiments.

[0069] by Figure 1For example, the bolt pushing mechanism has two gripper assemblies, of which the first gripper assembly is close to the rock drill 3, and the second gripper assembly is close to the end of the propulsion beam 1. The driving mechanism on the first gripper assembly adopts the second embodiment described above, and the driving mechanism on the second gripper assembly adopts the first embodiment described above. The construction process of the bolt pushing mechanism is as follows:

[0070] The first gripper assembly and the second gripper assembly complete the clamping of the anchor rod 13 and are ready for construction. Figure 1 As shown;

[0071] The sliding mechanism 2 drives the rock drill 3 to move forward, and the rock drill 3 pushes the anchor rod 13 forward. When moving forward, the push rod 4 pushes down the support 6 on the first gripper assembly. The rock drill 3 continues to move forward, and the push rod 4 pushes down the support 6 on the second gripper assembly. At this point, all the anchor rods 13 have been driven into the anchor rod holes, that is, Fig.10 As shown;

[0072] The sliding mechanism 2 drives the rock drill 3 to move backward, and the support 6 on the second gripper assembly automatically returns to its original position, while the support 6 on the first gripper assembly does not automatically return to its original position;

[0073] The propulsion beam 1 is rotated, and the support 6 on the first gripper assembly hits the blocking block 10 and returns to its original position. Fig.11 As shown, the rock drill 3 finally returns to its original position, completing a working cycle.

[0074] The above description is only a preferred embodiment of the utility model, and does not limit the patent scope of the utility model. All equivalent structural changes made by using the contents of the utility model specification and drawings under the utility model concept, or directly / indirectly used in other related technical fields are included in the patent protection scope of the utility model.

Claims

1. An anchor rod pushing mechanism, comprising a pushing beam and a rock drill arranged on the pushing beam through a sliding mechanism, characterized in that: It also includes a push rod and at least one gripper assembly, wherein the push rod is arranged on the sliding mechanism or the rock drill; The gripper assembly comprises a base, a support and a gripper, wherein the base is fixedly mounted on the propulsion beam, a first end of the support is hinged to the base via a pin, the gripper is arranged at a second end of the support, and a gripping groove capable of gripping an anchor rod is provided on a gripping end of the gripper; The support has a first state and a second state: In the first state, the gripper on the support faces the height direction of the propulsion beam, and the support is located on the sliding path of the push rod; In the second state, the gripper on the support faces the direction of the end of the propulsion beam.

2. The anchor rod pushing mechanism according to claim 1, characterized in that: The gripper assembly further includes a driving mechanism to switch the support from the second state to the first state.

3. The anchor rod pushing mechanism according to claim 2, characterized in that: The driving mechanism comprises a tension spring, one end of which is connected to the base, and the other end of which is connected to the support; In the second state, the axis of the pin is located below the tension spring.

4. The anchor rod pushing mechanism according to claim 2, characterized in that: The driving mechanism comprises a tension spring and a blocking block, one end of the tension spring is connected to the base, and the other end is connected to the support; In the second state, the axis of the pin is located above the tension spring; The blocking block is located on a rotation path of the support when the support follows the rotation of the propulsion beam.

5. The anchor rod pushing mechanism according to claim 2, characterized in that: The driving mechanism includes a coil spring and two blocking rods; The two blocking rods are respectively arranged on the base and the support, the coil spring is sleeved on the pin shaft, and the two ends of the coil spring respectively abut against the two blocking rods.

6. The anchor rod pushing mechanism according to claim 2, characterized in that: The driving mechanism comprises a telescopic cylinder, a fixed end of the telescopic cylinder is hinged to the base or the propulsion beam, and a telescopic end of the telescopic cylinder is hinged to the support.

7. The anchor rod pushing mechanism according to claim 2, characterized in that: There are multiple gripper assemblies, and each gripper assembly is arranged on the propulsion beam at intervals; The gripper assembly located behind the rock drill when the rock drill has completed driving the anchor and has not returned to its original position is defined as a first gripper assembly, and the gripper assembly located below the rock drill when the rock drill has completed driving the anchor and has not returned to its original position is defined as a second gripper assembly; In the first gripper assembly: The driving mechanisms each include a telescopic cylinder, a fixed end of the telescopic cylinder is hinged to the base or the propulsion beam, and a telescopic end of the telescopic cylinder is hinged to the support; or The driving mechanism includes a tension spring and a blocking block, one end of the tension spring is connected to the base, and the other end is connected to the support, in the second state, the axis of the pin is located above the tension spring, and the blocking block is located on the rotation path of the support when following the rotation of the propulsion beam; In the second gripper assembly: The driving mechanisms each include a telescopic cylinder, a fixed end of the telescopic cylinder is hinged to the base or the propulsion beam, and a telescopic end of the telescopic cylinder is hinged to the support; or The driving mechanism includes a tension spring and a blocking block, one end of the tension spring is connected to the base, and the other end is connected to the support, in the second state, the axis of the pin is located above the tension spring, and the blocking block is located on the rotation path of the support when following the rotation of the propulsion beam; or The driving mechanism comprises a tension spring, one end of the tension spring is connected to the base, and the other end is connected to the support, and in the second state, the axis of the pin is located below the tension spring; or The driving mechanism comprises a coil spring and two baffle rods. The two baffle rods are respectively arranged on the base and the support. The coil spring is sleeved on the pin shaft, and two ends of the coil spring respectively abut against the two baffle rods.

8. The anchor rod pushing mechanism according to any one of claims 1 to 7, characterized in that: The gripper comprises a compression spring and two clamping claws; The clamping jaws are hinged at the second end of the support, and the two clamping jaws are symmetrical to each other along the symmetry axis; The first ends of the two clamping jaws are connected via the compression spring, and the second ends of the two clamping jaws constitute the grasping end of the gripper.

9. The anchor rod pushing mechanism according to claim 8, characterized in that: The gripper further comprises a limit plate, the limit plate is fixedly arranged at the second end of the support, and the clamping claw is hinged between the limit plate and the support; The two sides of the limit plate are provided with baffles corresponding to the two clamping jaws, and the baffles are located on the rotation path of the clamping jaws on the corresponding side to limit the minimum opening size of the gripping end of the gripper.

10. The anchor rod pushing mechanism according to claim 8, characterized in that: The second end of the clamping jaw extends in a direction away from the symmetry axis, and the second end of the clamping jaw is a rounded structure.

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