Telescopic prying hammer head device

Abstract

The utility model discloses a telescopic prying hammer head device, relates to the field of prying hammer heads, and aims to solve the problems that the conventional prying hammer heads in the prior art are fixedly arranged, and the hammer head parts cannot extend and are inconvenient to extend into gaps among rubbles to pry and remove the rubbles. Side supporting plates are fixedly connected to the two sides of the front section of the connecting rear plate, the front ends of the two side supporting plates are jointly and fixedly connected with a front end connecting plate, a hydraulic rod is fixedly connected to the middle of the front end face of the connecting rear plate, a guide pipe is fixedly connected to the middle of the front end connecting plate, and a prying hammer is slidably connected to the middle of the guide pipe. The rear end of the prying hammer head penetrates through the middle of the guide pipe, extends out of the rear end face of the front-end connecting plate and is fixedly connected with a movable plate, the hydraulic rod drives the prying hammer head to stretch out and draw back, the stretching length of the hammer head can be adjusted, and the hammer head can stretch into a gap between rubbles to conduct prying operation conveniently. The problem that a traditional fixed prying hammer head cannot stretch into a narrow gap is solved, and the adaptability and efficiency of operation are improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to pry hammer head field, concretely is a telescopic pry hammer head device. BACKGROUND

[0002] The pry platform car belongs to the auxiliary equipment of mine exploitation or tunnel construction, mainly cooperates with the drilling and blasting method construction. The roadway is influenced by the blasting impact, and there are unstable rubble on the two sides and the top. Before the equipment and personnel enter, the pry process treatment needs to be carried out to ensure the construction safety. With the increasingly strict mine safety requirements, the pry platform car equipment replaces the human operation more.

[0003] For example, application publication No. CN116537810A discloses a hammer head automatic positioning control system for pry platform car and a control method thereof. The hammer head demand pose of the pry point is determined through the distance measuring device, and the hammer head demand pose is fed back to the controller. The rotation and displacement of the multi-degree-of-freedom large arm mechanism and the hammer head are realized through the rotary reducer, the variable amplitude oil cylinder and the swing oil cylinder. The real-time rotation angle and displacement measurement and feedback are obtained through the encoder and the displacement sensor. The demand displacement or rotation angle is calculated through the controller, and the control signal is outputted, so that the hammer head reaches the demand pose of the pry point. The present application realizes the target automatic and fast positioning of the pry hammer head. Compared with the traditional manual operation of multiple valve group handle positioning, the positioning speed, positioning accuracy and operation fatigue are greatly improved, the operation efficiency is improved, and the construction difficulty is reduced.

[0004] The existing pry hammer head is fixedly arranged, and the hammer head part cannot be elongated, which is not convenient for extending into the gap between the rubble to pry the rubble. Therefore, there is an urgent need to develop a telescopic pry hammer head device to help people solve the existing problems. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing a telescopic pry hammer head device to solve the problem that the existing pry hammer head is fixedly arranged and the hammer head part cannot be elongated, which is not convenient for extending into the gap between the rubble to pry the rubble.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a telescopic pry hammer head device, comprising a connecting back plate, the connecting back plate is fixedly connected with a side support plate on both sides of the front section, the front ends of the two side support plates are fixedly connected with a front end connecting plate, the front end surface of the connecting back plate is fixedly connected with a hydraulic rod in the middle, the front end connecting plate is fixedly connected with a guide pipe in the middle, the guide pipe is slidingly connected with a pry hammer head in the middle, and the rear end of the pry hammer head extends out of the rear end surface of the front end connecting plate through the middle of the guide pipe and is fixedly connected with a movable plate.

[0007] Preferably, the front end of the hydraulic rod telescopic end is fixedly connected with a connecting circular plate, the front end surface of the connecting circular plate is attached to the rear end surface of the movable plate, and the connecting circular plate and the movable plate are fixedly connected through a plurality of bolts.

[0008] Preferably, the front end of the prying hammer head extends out of the front end of the guide pipe, the inner walls of the guide pipe are fixedly connected with rectangular connecting keys on both sides, and the middle parts of the two sides of the prying hammer head are provided with sliding key grooves.

[0009] Preferably, when the prying hammer head passes through the inside of the guide pipe, the rectangular connecting keys are respectively slid into the inside of the two sliding key grooves.

[0010] Preferably, the upper and lower ends of the two sides between the front end of the connecting rear plate and the rear end of the front end connecting plate are provided with guide rods, the rear ends of the four guide rods are fixedly connected with the front end surface of the connecting rear plate, and the front ends of the four guide rods are fixedly connected with the rear end surface of the front end connecting plate.

[0011] Preferably, the upper and lower ends of the two sides of the middle part of the movable plate are fixedly connected with sliding pipes.

[0012] Preferably, the four guide rods respectively pass through the inside of the four sliding pipes.

[0013] Compared with the prior art, the utility model has the beneficial effects that:

[0014] (1) In the utility model, the extension length of the hammer head can be flexibly adjusted through the extension and retraction of the prying hammer head driven by the hydraulic rod, the prying operation in the gap between the rough stones can be facilitated, the problem that the traditional fixed prying hammer head cannot extend into the narrow gap is solved, and the adaptability and efficiency of the operation are improved.

[0015] (2) In the utility model, the rectangular connecting keys in the guide pipe cooperate with the sliding key grooves on the prying hammer head, the stability and directionality of the hammer head in the extension and retraction process are ensured, the deviation or shaking of the hammer head is avoided, and the precision and safety of the operation are improved.

[0016] (3) In the utility model, through the setting of the guide rods, the four guide rods respectively pass through the inside of the four sliding pipes, when the movable plate moves, the four sliding pipes are synchronously driven to slide along the four guide rods respectively, the movement of the movable plate is guided, the stability of the movement is ensured, and then the movable plate drives the prying hammer head to stably extend and retract. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is a front view of a telescopic prying hammer head device of the utility model;

[0018] Figure 2 It is a side sectional view of the prying hammer head of the utility model;

[0019] Figure 3The utility model discloses a sliding tube side sectional view of the utility model;

[0020] Figure 4 The utility model discloses a horizontal sectional view of the utility model.

[0021] In the drawing: 1, connecting back plate; 101, side support plate; 102, front end connecting plate; 103, guide rod; 2, hydraulic rod; 201, connecting round plate; 3, guide pipe; 301, rectangular connecting key; 4, pry hammer head; 401, sliding key groove; 402, movable plate; 403, sliding tube; 404, bolt. DETAILED DESCRIPTION

[0022] The technical solutions in the embodiments of the utility model will be apparently and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments.

[0023] Please refer to Figures 1-4 The utility model provides an embodiment: a telescopic pry hammer head device, including connecting back plate 1, both sides of the front section of connecting back plate 1 are fixedly connected with side support plate 101, the front end of two side support plates 101 is fixedly connected with front end connecting plate 102 in common, the middle part of the front end surface of connecting back plate 1 is fixedly connected with hydraulic rod 2, the middle part of front end connecting plate 102 is fixedly connected with guide pipe 3, pry hammer head 4 is slidably connected in the middle part of guide pipe 3, the rear end of pry hammer head 4 extends out the rear end surface of front end connecting plate 102 through the middle part of guide pipe 3 and is fixedly connected with movable plate 402, the front end surface of connecting round plate 201 is fixedly connected with the front end of the extension end of hydraulic rod 2, the front end surface of connecting round plate 201 is pasted with the rear end surface of movable plate 402, connecting round plate 201 and movable plate 402 are fixedly connected through a plurality of bolts 404, the front end of pry hammer head 4 extends out the front end of guide pipe 3, connecting back plate 1 is installed on pry dolly big arm, when needing to extend into the gap of ashlar, movable plate 402 is moved by hydraulic rod 2, pry hammer head 4 is driven along guide pipe 3 and extends forward, the extension length of pry hammer head 4 is adjusted, and it is convenient to extend into the gap of ashlar and pry loose ashlar.

[0024] Please refer to Figure 2 And Figure 4 The inner wall of guide pipe 3 is fixedly connected with rectangular connecting key 301 on both sides, the middle part of both sides of pry hammer head 4 is provided with sliding key groove 401, when pry hammer head 4 passes through the inside of guide pipe 3, rectangular connecting key 301 slides into the inside of two sliding key grooves 401 respectively, when pry hammer head 4 extends along guide pipe 3, rectangular connecting key 301 moves along sliding key groove 401, and the extension of pry hammer head 4 is limited.

[0025] Please refer to Figure 3 And Figure 4The two ends of the two sides of the connecting rear plate 1 are provided with guide rods 103 between the front end of the connecting rear plate 1 and the rear end of the front end connecting plate 102, the rear ends of the four guide rods 103 are fixedly connected with the front end surface of the connecting rear plate 1, the front ends of the four guide rods 103 are fixedly connected with the rear end surface of the front end connecting plate 102, the upper and lower ends of the two sides of the middle part of the movable plate 402 are fixedly connected with sliding pipes 403, the four guide rods 103 pass through the interiors of the four sliding pipes 403 respectively, the movable plate 402 drives the four sliding pipes 403 to slide along the four guide rods 103 respectively when the movable plate 402 moves, the movement of the movable plate 402 is guided, the stability of the movement is ensured, and then the movable plate 402 drives the pry hammer head 4 to stably stretch and retract.

[0026] Working principle: when in use, firstly, the connecting rear plate 1 is installed on the large arm of the pry trolley. When it is needed to pry the ashlar and enter the ashlar gap, the hydraulic rod 2 is started, the stretching end of the hydraulic rod 2 pushes the connecting circular plate 201 to move forward, the movable plate 402 moves forward since the connecting circular plate 201 is fixedly connected with the movable plate 402 through the bolt 404. The movable plate 402 drives the pry hammer head 4 to stretch out along the guide pipe 3, the stretching length of the pry hammer head 4 can be accurately controlled by adjusting the stretching length of the hydraulic rod 2, so that the pry hammer head 4 can enter the ashlar gap. In the stretching process of the pry hammer head 4, the rectangular connecting key 301 moves along the sliding key groove 401, the stretching direction of the pry hammer head 4 is stable, and deviation is avoided. At the same time, the sliding pipe 403 on the movable plate 402 slides along the guide rod 103, and the movement stability of the movable plate 402 and the pry hammer head 4 is further ensured. Through the structure, the pry hammer head 4 can flexibly enter the ashlar gap, the loose ashlar can be effectively pried, and the operation efficiency and safety are improved.

[0027] It is obvious for those skilled in the art that the present application is not limited to the details of the above exemplary embodiments, and the present application can be implemented in other specific forms without departing from the spirit or essential characteristics of the present application. Therefore, the embodiments should be regarded as exemplary and non-limiting, the scope of the present application is defined by the appended claims rather than the above description, and all changes falling within the meaning and scope of the equivalent elements of the claims are intended to be included in the present application. Any reference signs in the claims should not be regarded as limiting the involved claims.

Claims

1. A telescopic claw hammer head device comprising a connecting rear plate (1), characterized in that: Both sides of the connecting back plate (1) front section are fixedly connected with side support plates (101), the front ends of the two side support plates (101) are fixedly connected with a front end connecting plate (102), the middle part of the front end surface of the connecting back plate (1) is fixedly connected with a hydraulic rod (2), the middle part of the front end connecting plate (102) is fixedly connected with a guide pipe (3), the middle part of the guide pipe (3) is slidably connected with a crowbar hammer head (4), the rear end of the crowbar hammer head (4) extends out of the rear end surface of the front end connecting plate (102) through the middle part of the guide pipe (3) and is fixedly connected with a movable plate (402).

2. A telescoping claw hammer head device according to claim 1, wherein: The front end of the hydraulic rod (2) is fixedly connected with a connecting circular plate (201), the front end surface of the connecting circular plate (201) is attached to the rear end surface of the movable plate (402), and the connecting circular plate (201) and the movable plate (402) are fixedly connected through a plurality of bolts (404).

3. A telescoping claw hammer head device as defined in claim 1, wherein: The front end of the crowbar hammer head (4) extends out of the front end of the guide pipe (3), both sides of the inner wall of the guide pipe (3) are fixedly connected with rectangular connecting keys (301), and both sides of the middle part of the crowbar hammer head (4) are provided with sliding key grooves (401).

4. A telescoping claw hammer head assembly as defined in claim 3, wherein: When the crowbar hammer head (4) passes through the inside of the guide pipe (3), the rectangular connecting keys (301) are respectively slid into the inside of the two sliding key grooves (401).

5. A telescoping claw hammer head device as defined in claim 1, wherein: Both sides of the upper and lower ends between the front end of the connecting back plate (1) and the rear end of the front end connecting plate (102) are provided with guide rods (103), the rear ends of the four guide rods (103) are fixedly connected with the front end surface of the connecting back plate (1), and the front ends of the four guide rods (103) are fixedly connected with the rear end surface of the front end connecting plate (102).

6. A telescoping claw hammer head assembly as defined in claim 5, wherein: The upper and lower ends of both sides of the middle part of the movable plate (402) are fixedly connected with sliding pipes (403).

7. A telescoping claw hammer head assembly as defined in claim 6 wherein: The four guide rods (103) respectively pass through the inside of the four sliding pipes (403).

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