CN207959177U - Hand-held battering ram - Google Patents

Abstract

The hand-held rammer provided by the utility model belongs to the technical field of rammers, and includes a handle, a gear box, a motor and a rammer body, and is characterized in that: the handle is connected to both sides of the gear box through a damping mechanism; One end of the gear box is connected; the top of the rammer body is inserted into the bottom of the gear box, and the length of the rammer body inserted into the gear box is controlled by a lifting mechanism that is put through the outer side of the rammer body; A dust cover, the dust cover is located below the lifting mechanism; the bottom of the rammer body is provided with an impact plate. The hand-held rammer provided by the utility model utilizes the shock-absorbing mechanism connecting the handle and the gear box to reduce the vibration received by the operator during the use of the rammer, reduce the physical exertion of the operator, and improve the working efficiency of the rammer.

Description

Handheld Rammer

technical field

The utility model belongs to the technical field of impact rammers, and more specifically relates to a hand-held impact rammer.

Background technique

Impact rammer is a kind of compaction machine that uses impact and impact vibration to ram backfill soil layer by layer. It is widely used in the construction of narrow sites such as buildings, roadbeds, bridge piles, and trenches. When the rammer is working, an operator must hold the handle of the rammer with both hands to control it, so as to control the balance of the rammer. Because the impact rammer tamps the ground in a beating manner, its vibration frequency is high and the vibration amplitude is large. Most of the handles of common rammers on the market are simple rod-shaped structures. Therefore, during use, the hand of the operator will be directly affected by the strong vibration of the rammer. The use of the operator, and the physical consumption of the operator by the impact rammer is increased, thereby reducing the working efficiency of the impact rammer.

Utility model content

The purpose of the present utility model is to provide a hand-held impact rammer, aiming at reducing the vibration problem of the operator during the use of the impact rammer by means of a shock-absorbing mechanism.

In order to achieve the above purpose, the technical solution adopted by the utility model is to provide a hand-held rammer, which includes a handle, a gear box, an engine and a rammer body, and is characterized in that: the handle is connected to both sides of the gear box through a shock absorbing mechanism connection; the engine is connected to one end of the gear box; the top of the rammer body is inserted into the bottom of the gear box, and the length of the rammer body inserted into the gear box is controlled by a lifting mechanism that is worn outside the rammer body; the rammer body is inserted into the gear box; The body is also covered with a dust cover, and the dust cover is located below the lifting mechanism; the bottom of the rammer body is provided with an impact plate.

Optionally, the shock absorber mechanism includes two V-shaped shock absorbers, one end of the two shock absorbers is connected to the gear box through a rotating shaft, and the other end of the two shock absorbers is fixedly connected to the handle; each The shock absorber includes a first groove, a second groove and a shock-absorbing connecting rod; the first groove is fixedly connected to the handle, and the second groove is connected to the gear box through a rotating shaft; the shock-absorbing connecting rod The two ends are respectively inserted into the first groove and the second groove; the two ends of the shock-absorbing connecting rod are respectively sleeved with a first shock-absorbing spring and a second shock-absorbing spring; one end of the first shock-absorbing spring is connected to the first The groove is fixedly connected, and the other end is fixedly connected with the first shock-absorbing spring retainer arranged on the outside of the shock-absorbing connecting rod; one end of the second shock-absorbing spring is fixedly connected with the second groove, and the other end is connected with the shock-absorbing connection The second shock-absorbing spring catch on the outside of the rod is fixedly connected.

Optionally, the handle includes a first connecting plate, a second connecting plate and a handle; the lower surface of the first connecting plate is connected to the shock absorbing mechanism, and the upper surface of the first connecting plate is vertically provided with multiple distributed first handle spring; the other end of the first handle spring is fixedly connected to the lower surface of the second connecting plate, and one end of the second connecting plate is provided with a handle groove; one end of the handle is provided with a second handle spring, The handle is connected with the inner wall of the handle groove through the second handle spring.

Optionally, the handle includes two L-shaped handle links and a handle cross bar fixed between the handle links.

Optionally, the second handle spring is symmetrically arranged on both sides and the top of one end of the handle connecting rod.

Optionally, the handle is covered with a non-slip sleeve made of rubber.

Optionally, the lifting mechanism includes a support platform that is sheathed on the outside of the rammer body, and a telescopic rod arranged on the support platform; the top end of the telescopic rod is connected to the bottom of the gear box.

Optionally, the impact plate includes a first impact plate, a second impact plate and a third impact plate sequentially connected from top to bottom; the first impact plate and the third impact plate are stainless steel plates, and the second impact plate The impact plate is a wooden board.

Optionally, the dust cover has an arc-shaped folded corrugated structure; elastic sealing rings are provided on the inside of both ends of the dust cover, and clamp rings are provided on the outside.

The beneficial effect of the hand-held rammer provided by the utility model lies in that: compared with the prior art, the utility model utilizes the shock absorbing mechanism connecting the handle and the gear box to reduce the vibration received by the operator during the use of the rammer, and reduce the risk of manipulation. Reduce the physical exertion of personnel and improve the working efficiency of the impact rammer.

Description of drawings

In order to more clearly illustrate the technical solutions in the embodiments of the utility model, the following will briefly introduce the accompanying drawings that are required in the description of the embodiments or the prior art. Obviously, the accompanying drawings in the following description are only the practical For some novel embodiments, those skilled in the art can also obtain other drawings based on these drawings without any creative work.

Fig. 1 is a side view structural schematic diagram of a hand-held rammer provided by an embodiment of the present invention;

Fig. 2 is the schematic diagram of the structure of the shock absorber provided by the embodiment of the utility model;

Fig. 3 is a side view structural schematic diagram of the handle provided by the embodiment of the present invention;

Fig. 4 is a top view structural schematic diagram of the handle provided by the embodiment of the present invention;

Fig. 5 is a side view structural schematic diagram of the impact plate provided by the embodiment of the utility model;

In the figure: 1, handle, 2, gear box, 3, engine, 4, impact rammer body, 5, damping mechanism, 6, lifting mechanism, 7, dustproof cover, 8, impact plate, 9, rotating shaft, 10 , telescopic rod, 11, supporting platform, 12, the first groove, 13, the second groove, 14, the damping connecting rod, 15, the first damping spring, 16, the second damping spring, 17, the first Shock-absorbing spring catch, 18, the second shock-absorbing spring catch, 19, the first connecting plate, 20, the second connecting plate, 21, the first handle spring, 22, the handle groove, 23, the second handle spring, 24, handle connecting rod, 25, handle cross bar, 26, anti-skid cover, 27, the first impact plate, 28, the second impact plate, 29, the third impact plate.

Detailed ways

In order to make the technical problems, technical solutions and beneficial effects to be solved by the utility model clearer, the utility model will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the utility model, and are not intended to limit the utility model.

It should be noted that when an element is referred to as being “fixed” or “disposed on” another element, it may be directly on the other element or be indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or indirectly connected to the other element.

It is to be understood that the terms "length", "width", "top", "bottom", "front", "rear", "left", "right", "vertical", "horizontal", "top" , "bottom", "inner", "outer" and other indicated orientations or positional relationships are based on the orientations or positional relationships shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying the referred device Or elements must have a certain orientation, be constructed and operate in a certain orientation, and thus should not be construed as limiting the invention.

In addition, the terms "first" and "second" are used for descriptive purposes only, and cannot be interpreted as indicating or implying relative importance or implicitly specifying the quantity of indicated technical features. Thus, a feature defined as "first" and "second" may explicitly or implicitly include one or more of these features. In the description of the present invention, "plurality" means two or more, unless otherwise specifically defined.

Referring to FIG. 1 , the hand-held rammer provided in this embodiment is now described. The hand-held rammer includes a handle 1, a gear box 2, an engine 3 and a rammer body 4, the handle is connected to both sides of the gear box 2 through a damping mechanism 5; the engine 3 is connected to one end of the gear box 2; the rammer body The top of 4 is inserted into the bottom of the gear box 2, and the length of the rammer body 4 inserted into the gear box 2 is controlled by the lifting mechanism 6 that is put through the outside of the rammer body 4; The cover 7 is located below the lifting mechanism 6; the bottom of the rammer body 4 is provided with an impact plate 8.

Specifically, during the working process of the rammer, the damping mechanism 5 connecting the handle 1 and the gear box 2 reduces the vibration generated by the rammer body 4 from being transmitted from the handle 1 to the operator's arm. The engine 3 is an internal combustion engine, may also be an electric engine, or an air compression engine. The power of the engine 4 is transmitted to the impact plate 8 at the bottom of the rammer body 4 through the clutches, gears, connecting rods and other components arranged in the gearbox 2, so that the impact plate 8 vibrates up and down, thereby impacting and compacting the ground. The lifting mechanism 6 inserted on the outside of the rammer body 4 can control the length of the rammer body 4 inserted into the bottom of the gear box 2, thereby controlling the height of the hand-held rammer, which is convenient for operators of different heights. Below the lifting mechanism 6 , the rammer body 4 is also covered with a dust cover 7 for preventing dust or other pollutants from entering the rammer body 4 .

Compared with the prior art, the hand-held rammer provided by the utility model utilizes the shock absorbing mechanism connecting the handle and the gear box to reduce the vibration received by the operator during the use of the rammer, reduce the physical consumption of the operator, and improve the impact of the rammer. work efficiency.

Optionally, please refer to Figure 1 and Figure 2, as a specific implementation of the hand-held rammer provided in this embodiment, the shock absorbing mechanism 5 includes two V-shaped shock absorbers, two shock absorbers One end of the shock absorber is connected with the gear box 2 through the rotating shaft 9, and the other end of the two shock absorbers is fixedly connected with the handle 1; each shock absorber includes a first groove 12, a second groove 13 and a shock absorbing connecting rod 14 The first groove 12 is fixedly connected with the handle 1, and the second groove 13 is connected with the gear box 2 through the rotating shaft 9; the two ends of the shock-absorbing connecting rod 14 are respectively inserted into the first groove 12 and the second In the groove 13; the first damping spring 15 and the second damping spring 16 are sheathed at both ends of the damping connecting rod 14; one end of the first damping spring 15 is fixedly connected with the first groove 12, The other end is fixedly connected with the first shock absorbing spring catch 17 arranged on the outside of the shock absorbing connecting rod 14; one end of the second shock absorbing spring 16 is fixedly connected with the second groove 13, and the other end is fixedly connected with the second groove 13 arranged on the shock absorbing connecting rod. The second damping spring catch 18 on the outside of 14 is fixedly connected.

Specifically, the damping mechanism 5 includes two dampers with the same structure arranged in a V shape. One end of the two shock absorbers is connected to the gear box 2 through the rotating shaft 9, and the other ends of the two shock absorbers are respectively fixedly connected to the two ends of the bottom of the handle 1, thereby forming a V-shaped shock absorbing mechanism. Two shock absorbers with the same structure arranged in a V shape can not only buffer the vibration of the rammer body 4 in the vertical direction, but also buffer the vibration generated in the horizontal direction during the movement of the rammer. The shock absorber includes a first groove 12 , a second groove 13 and a shock absorbing connecting rod 14 . The first groove 12 is fixedly connected with the handle 1 , and the second groove 13 is connected with both sides of the gear box 2 through the rotating shaft 9 . The second groove 13 is fixedly connected with the rotating shaft 9, and the rotating shaft 9 is rotationally connected with the gear box 2, so that when the rotating shaft 9 rotates, it can drive the shock absorbing mechanism 5 to rotate, thereby causing the handle 1 to rotate relative to the gear box 2 , it is convenient for the operator to hold the handle 1 at a certain angle, so as to reduce physical exertion and improve work efficiency. The two ends of the shock absorbing connecting rod 14 are respectively inserted into the first groove 12 and the second groove 13, and the two ends of the shock absorbing connecting rod 14 are respectively sleeved with a first shock absorbing spring 15 and a second shock absorbing spring 16. One end of the damping spring 15 is fixedly connected with the first groove 12, and the other end is fixedly connected with the first damping spring catch 17 arranged on the outside of the damping connecting rod 14, and one end of the second damping spring 16 is fixedly connected with the second groove 13. It is fixedly connected, and the other end is fixedly connected with the second shock-absorbing spring catch 18 arranged on the outside of the shock-absorbing connecting rod 14 . When the rammer body 4 vibrated, the shock-absorbing connecting rod 14 produced a relative reciprocating motion between the first groove 12 and the second groove 13, and the first shock-absorbing spring 15 and the second shock-absorbing spring 16 were damping Between the two ends of the shock-absorbing connecting rod 14 and the first groove 12 and the second groove 13, the vibration is reduced to reduce the vibration generated by the relative movement of the shock-absorbing connecting rod 14, while the shock-absorbing connecting rod 14 is connected to the first groove. The damping spring 15 and the second damping spring 16 play a supporting role, reducing the probability of the first damping spring 15 and the second damping spring 16 breaking.

Optionally, please refer to Fig. 1, Fig. 3 and Fig. 4, as a specific implementation of the hand-held rammer provided in this embodiment, the handle 1 includes a first connecting plate 19, a second connecting plate 20 and a handle The lower surface of the first connecting plate 19 is connected with the damping mechanism 5, and the upper surface of the first connecting plate 19 is vertically provided with a plurality of first handle springs 21 distributed in an array; the first handle springs 21 of the first connecting plate The other end is fixedly connected with the lower surface of the second connecting plate 20, and one end of the second connecting plate 20 is provided with a handle groove 22; one end of the handle is provided with a second handle spring 23, and the handle is connected with the second handle spring 23 The inner wall of the handle groove 22 is connected.

Specifically, the handle 1 includes a first connecting plate 19, a second connecting plate 20 and a handle. The lower surface of the first connecting plate 19 is fixedly connected with the first groove of the damping mechanism 5, and the upper surface of the first connecting plate 19 is vertically provided with a plurality of first handle springs 21 distributed in an array form, and the first handle springs 21 can be It is distributed in an equidistant array along the length direction and width direction of the first connecting plate 19, and can also be repeated array distribution after forming a regular figure by several first handle springs 21. The other end of the first handle spring 21 is connected to the second One end of the lower surface of the plate 20 is fixedly connected, so that the first handle spring 21 plays a role of reducing vibration between the first connecting plate 19 and the second connecting plate 20 . The upper surface of the other end of the second connecting plate 20 is provided with a handle groove 22, and one end of the handle is inserted in the handle groove 22, and is connected with the inner wall of the handle groove 22 by a second handle spring 23 arranged at one end of the handle. The handle spring 23 again acts to reduce vibration between the handle and the handle groove 22 . Through the damping effect of the first handle spring 21 and the second handle spring 23, the operator's arm will not be subjected to excessive vibration during the use of the rammer, thereby reducing the physical exertion of the operator.

Optionally, please refer to Fig. 3 and Fig. 4, as a specific implementation of the hand-held rammer provided in this embodiment, the handle includes two L-shaped handle links 24 and is fixed between the handle links 24 The handle bar 25 of.

Specifically, the handle includes two handle links 24 and a handle cross bar 25. The handle link 24 is L-shaped, and the shorter end of the handle link 24 is inserted into the handle groove 22 to connect with the second connecting plate 20. The bar 25 is fixedly connected between the longer ends of the handle connecting rod 24, and the operator controls the running direction of the rammer by hand-holding the handle cross bar 25.

Optionally, please refer to FIG. 3 and FIG. 4 , as a specific implementation of the hand-held rammer provided in this embodiment, the second handle spring 23 is symmetrically arranged on both sides of one end of the handle link 24 .

Specifically, two second handle springs 23 are arranged symmetrically on both sides of one end of the handle connecting rod 24, and are arranged along the moving direction of the rammer, so that when the operator pushes the handle, it can also be protected by the shock absorbing mechanism. The second handle spring 23 is also arranged on the top of one end of the handle connecting rod 24 connected with the handle groove 22 to slow down the vibration in the vertical direction.

Optionally, please refer to FIG. 3 and FIG. 4 , as a specific implementation of the hand-held rammer provided in this embodiment, the handle is covered with a non-slip sleeve 26 made of rubber.

Specifically, the anti-slip sleeve 26 put on the handle can effectively prevent the handle from slipping off accidentally, making the operator lose control of the rammer, and the rubber material has insulating properties, preventing the operator from accidentally getting an electric shock through the handle.

Optionally, please refer to FIG. 1. As a specific implementation of the hand-held rammer provided in this embodiment, the lifting mechanism 6 includes a support platform 11 that is sheathed on the outside of the rammer body 4, and is set on the The telescopic rod 10 on the support platform 11 ; the top end of the telescopic rod 10 is connected to the bottom of the gearbox 2 .

Specifically, the lifting mechanism 6 includes a support platform 11 and a telescopic rod 10 , and the support platform 11 is fixedly sheathed on the outside of the rammer body 4 . The bottom end of the telescopic rod 10 is connected to the upper surface of the support platform 11, and the top end is connected to the bottom of the gear box 2. By controlling the expansion or contraction of the telescopic rod 10, the length of the rammer body 4 inserted into the gear box 2 is controlled, thereby realizing the control of the hand-held impact The height of the ram is convenient for operators of different heights.

Optionally, please refer to FIG. 5 , as a specific implementation of the hand-held rammer provided in this embodiment, the impact plate 8 includes a first impact plate 27 and a second impact plate 28 sequentially connected from top to bottom and the third impact plate 29; the first impact plate 27 and the third impact plate 29 are stainless steel plates, and the second impact plate 28 is a wood plate.

Specifically, the impact plate 8 includes a first impact plate 27, a second impact plate 28, and a third impact plate 29 connected sequentially from top to bottom. Increase the second impact plate 28 of wood between, reduce the vibration that impact plate 8 produces. The first impact plate 27 , the second impact plate 28 and the third impact plate 29 may be fixedly connected by bolts.

Optionally, please refer to Fig. 1, as a specific implementation of the hand-held rammer provided in this embodiment, the dust cover 7 has a corrugated structure folded in an arc shape; the inside of both ends of the dust cover 7 An elastic sealing ring is provided, and a clamp ring is provided on the outside.

Specifically, the dust cover 7 is a corrugated structure folded in an arc shape, and the corrugated structure can expand and contract during the vibration of the rammer body 4 . The inside of both ends of the dust cover 7 is provided with an elastic sealing ring, and the outside is provided with a clamp ring, which can effectively seal the outside of the rammer body 4, and prevent pollutants such as dust from entering the rammer body 4.

The above descriptions are only preferred embodiments of the present utility model, and are not intended to limit the present utility model. Any modifications, equivalent replacements and improvements made within the spirit and principles of the present utility model shall be included in this utility model. within the scope of protection of utility models.

Claims (9)

1. A hand-held rammer, comprising a handle, a gear box, a motor and a rammer body, characterized in that: the handle is connected to both sides of the gear box through a shock absorbing mechanism; the motor is connected to one end of the gear box; the impact The top of the rammer body is inserted into the bottom of the gear box, and the length of the rammer body inserted into the gear box is controlled by a lifting mechanism that is put through the outside of the rammer body; the rammer body is also put through a dust cover, and the dust cover is located Below the lifting mechanism; the bottom of the rammer body is provided with an impact plate. 2. The hand-held rammer as claimed in claim 1, characterized in that: the damping mechanism comprises two V-shaped shock absorbers, one end of the two shock absorbers is connected to the gear box through a rotating shaft, and the two shock absorbers The other end of each shock absorber is fixedly connected with the handle; each shock absorber includes a first groove, a second groove and a shock-absorbing connecting rod; the first groove is fixedly connected with the handle, and the second groove It is connected with the gear box through the rotating shaft; the two ends of the shock-absorbing connecting rod are respectively inserted into the first groove and the second groove; Shock spring; one end of the first shock absorbing spring is fixedly connected to the first groove, and the other end is fixedly connected to the first shock absorbing spring stopper arranged on the outside of the shock absorbing connecting rod; one end of the second shock absorbing spring is fixedly connected to the first shock absorbing spring The two grooves are fixedly connected, and the other end is fixedly connected with the second shock-absorbing spring stopper arranged on the outside of the shock-absorbing connecting rod. 3. The hand-held rammer according to claim 1, characterized in that: the handle comprises a first connecting plate, a second connecting plate and a handle; the lower surface of the first connecting plate is connected with a shock absorbing mechanism, and the The upper surface of the first connecting plate is vertically provided with a plurality of first handle springs distributed in an array; the other end of the first handle spring is fixedly connected to the lower surface of the second connecting plate, and one end of the second connecting plate is provided with a handle groove; one end of the handle is provided with a second handle spring, and the handle is connected to the inner wall of the handle groove through the second handle spring. 4. The hand-held rammer according to claim 3, wherein the handle comprises two L-shaped handle links and a handle cross bar fixed between the handle links. 5. The hand-held rammer according to claim 4, characterized in that: the second handle spring is symmetrically arranged on both sides and the top of one end of the handle connecting rod. 6. The hand-held rammer according to claim 3, characterized in that: the handle is covered with a non-slip sleeve made of rubber. 7. The hand-held rammer according to claim 1, characterized in that: the lifting mechanism includes a support platform that is sheathed on the outside of the rammer body, and a telescopic rod arranged on the support platform; the telescopic rod The top is connected to the bottom of the gearbox. 8. The hand-held rammer according to claim 1, characterized in that: the impact plate comprises a first impact plate, a second impact plate and a third impact plate connected sequentially from top to bottom; the first impact plate The plate and the third impact plate are stainless steel plates, and the second impact plate is a wood plate. 9. The hand-held rammer as claimed in claim 1, characterized in that: the dust cover has a corrugated structure folded in an arc shape; elastic sealing rings are provided on the inside of both ends of the dust cover, and elastic sealing rings are provided on the outside. Clamp ring.